95results about "Coil/loop resistive elements" patented technology

The invention relates to the technical field of resistors, in particular to an embedded high-strength resistor which comprises a resistor shell, a resistance wire, a resistor lead, a ceramic core and a sliding assembly, the ceramic core is installed in the resistor shell, the resistor shell is provided with the resistor lead, the sliding assembly is arranged in the resistor shell, and the resistor lead is arranged in the sliding assembly. The sliding assembly is located on one side of the ceramic core, the ceramic core is sleeved with the resistance wire, one end of the resistance wire is connected with the inner wall of the resistor shell, and the other end of the resistance wire is connected with the sliding assembly. According to the invention, the sliding assembly is arranged to control the fitting and disconnection of the copper rod and the resistor lead, so that the resistor is prevented from being fused due to a protection circuit due to uncertain factors such as lightning stroke of electrical equipment or current increase at the moment of unstable voltage, and the troubleshooting and replacement times of a fault resistor by workers are effectively reduced; the maintenance cost of the electrical equipment is reduced, and the service life of the electrical equipment is prolonged.

The present disclosure relates to a battery management system for energy control and, more specifically, to a battery management system for controlling energy by stably managing, using a new current management means, battery conditions that change due to internal or external factors during the charging and discharging process of a battery cell, so as to enable optimized charging and discharging of the battery cell.

The utility model discloses a mounting structure of a wire wound resistor, comprising two brackets for detachably connecting with the resistor, the two brackets are symmetrically distributed along the length direction of the resistor, the brackets comprise an elastic metal sheet and a conductive cap, the upper end of the elastic metal sheet is welded and fixed to the outer side of the conductive cap, the inner side of the conductive cap is provided with an assembly cavity adapted to the resistor end cap, and the spacing between the inner walls of the assembly cavities on the two conductive caps is less than the length of the resistor. The resistor of the utility model is more convenient to replace later, saving time and effort, and the replacement efficiency is improved.

To provide a resistance element and a resistor capable of reducing the peeling force generated at a welding point where an end of a resistance wire is welded to a cap terminal.SOLUTION: A resistance element 2 includes a resistor 21 having a columnar main body portion 211 and a pair of attached portions 213 located on both sides of the longitudinal direction of the main body portion 211, a pair of cap terminals 22 respectively attached to the pair of attached portions 213, and a resistance wire 24 wound around the outer peripheral surface of the main body portion 211, the cap terminal 22 has a weldable region 222 to which an end 242 of the resistance wire 24 is welded, there is a height difference between the weldable region 222 and the outer peripheral surface of the main body portion 211, and an intermediate portion 214a is provided between the main body portion 211 and one of the cap terminals 22a, and when viewed from the front, the outer peripheral surface of the intermediate portion 214a coincides with the outer peripheral surface of the attached portion 213.SELECTED DRAWING: Figure 3

The invention relates to a non-uniform configuration resistance voltage dividing device based on distribution parameter optimization and a design method, a first metal flange and a second metal flange are respectively arranged at the top end and the bottom end of an epoxy cylinder, a high-voltage arm and a low-voltage arm are both accommodated in the epoxy cylinder, the high-voltage arm is electrically connected with the low-voltage arm, and the high-voltage arm is electrically connected with the low-voltage arm. The high-voltage arm is electrically connected with the first metal flange through a metal connecting piece, and the low-voltage arm is electrically connected with the second metal flange; both the high-voltage arm and the low-voltage arm adopt inner and outer double-layer shielding structures, and both the high-voltage arm and the low-voltage arm adopt non-uniform double-layer reverse winding structures; the design process is as follows: a high-voltage arm and a low-voltage arm both adopt an inner-outer double-layer shielding structure; an inner-layer measuring resistor branch and an outer-layer shielding resistor branch both adopt N-section resistors; the high-voltage arm and the low-voltage arm both adopt a non-uniform double-layer reverse winding structure; through the arrangement, the capacitance and inductance parameters can be flexibly adjusted, so that the measurement precision of the impact transient high voltage is improved.

The present disclosure relates to systems, apparatuses, and methods for assembling cartridges for aerosol delivery devices. The cartridges can be assembled by transporting a carrier between various sub-stations that add parts to a base. In another assembly method, the base can be moved between multiple robots that guide the base down into contact with an assembly to couple the assembly thereto. Inspection systems can inspect the cartridges at various stages of completion.

The invention discloses a special-shaped precision detection resistor and production equipment thereof, and relates to the technical field of resistor production and manufacturing, the special-shaped precision detection resistor comprises an alloy red copper shell and two resistor cores arranged in the alloy red copper shell, and one side of the alloy red copper shell is provided with two leading-out ends; the lead-out end is electrically connected with the resistor core, the outer wall of the bottom of the alloy red copper shell and the outer wall of the top of the alloy red copper shell are respectively provided with a plurality of groups of heat dissipation grooves and heat dissipation assemblies which are distributed at equal intervals, and the heat dissipation mechanism is located in the alloy red copper shell and comprises two water cooling pipes. The special-shaped precision detection resistor and the production equipment thereof disclosed by the invention have the effects of improving the stability of the resistor core during use, enhancing the heat dissipation performance of the resistor core, ensuring the reliability and safety of a system, improving the working efficiency of a brake resistor, prolonging the service life of the brake resistor, controlling and reducing the thermoelectromotive force and avoiding the occurrence of a condition of overhigh parasitic inductance.

The application provides a double-row lead frame resistance. The double-row lead frame resistance comprises a lead frame, a resistance, and the two ends of the first coil and the second coil are respectively installed with the lead wires; a protective cover; a cooling mechanism, the inside of the protective cover is fixedly connected with the supporting rod, the bottom end of the supporting rod is installed with the air bag; the top end of the supporting rod is internally installed with the fixed block and the fixed frame, the inside of the fixed block is slidably connected with the piston, the inside of the piston and the fixed block is respectively installed with the magnetic ring, the magnetic rings are attracted to each other; the inside of the fixed frame is slidably connected with the sliding rod, the sliding rod is fixedly connected with the piston, the side wall of the sliding rod is sleeved with the spring, and the two ends of the spring are respectively connected with the fixed frame and the piston; a cooling mechanism; a connecting mechanism. The double-row lead frame resistance provided by the application has the advantages of eliminating the self-induction of the coil, reducing the eddy current, and facilitating the dissipation of the heat inside the coil.

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.

The utility model discloses a high-temperature-resistant winding resistor device which comprises a ceramic winding reel, two ends of the ceramic winding reel are fixedly connected with pin caps, the circumferential outer wall of the ceramic winding reel is connected with a resistance wire in a winding mode, a contact pin is arranged between the ceramic winding reel and the pin caps in a penetrating mode, the outer side of the resistance wire is sleeved with an insulating shell, and the outer side of the insulating shell is sleeved with an insulating sleeve. A plurality of heat dissipation fins are clamped on the outer wall of the circumference of the insulating shell, and a plurality of heat dissipation holes are formed in the circumference of the insulating shell. According to the utility model, heat generated by the resistance wire is efficiently transmitted to the insulating shell through the insulating heat-conducting glue, and then is dissipated into the air through the heat dissipation fins, so that the resistance wire is subjected to heat dissipation and cooling at a high speed, and meanwhile, the heat of the resistance wire is dissipated from the heat dissipation holes, so that the resistance wire is better subjected to heat dissipation and cooling, and the service life of the resistance wire is prolonged. Therefore, the resistance device is prevented from generating stress due to high-temperature expansion, the resistance wire is prevented from loosening and deforming, and the precision and stability of the resistor are prevented from being reduced.

The invention provides a resistor element and a resistor, which can alleviate peeling force generated at a welding part where an end part of a resistance wire is welded to a cover terminal. A resistive element (2) is provided with: a resistor (21) having a columnar main body section (211) and a pair of sections to be mounted (213) positioned on both sides of the main body section (211) in the longitudinal direction; a pair of cover terminals (22) respectively attached to the pair of attachment sections (213); and a resistance wire (24) wound around the outer peripheral surface of the main body part (211), the cover terminal (22) has a weldable region (222), an end part (242) of the resistance wire (24) is welded to the weldable region (222), there is a height difference between the weldable region (222) and the outer peripheral surface of the main body part (211), and an intermediate part (214a) is provided between the main body part (211) and one cover terminal (22a). The outer peripheral surface of the intermediate section (214a) coincides with the outer peripheral surface of the mounted section (213).

The application relates to an overcurrent-preventing resistor, which comprises a shell and a resistance coil, the bottom of the shell is internally provided with a bobbin and externally provided with a first pin and a second pin, the resistance coil is electrically connected to the first pin and the second pin, the resistance coil is sleeved on the bobbin and electrically insulated from the bobbin, the bobbin is internally provided with a magnetic piece, the magnetic piece is in sliding connection with the bobbin, the magnetic poles of the magnetic piece are distributed along the axis of the bobbin, the magnetic piece is electrically connected with the bobbin, the top of the inside of the shell is provided with an electric contact opposite to the bobbin, the top of the outside of the shell is provided with an indicating lamp electrically connected with the electric contact, and the inside of the shell is provided with a wire for electrically connecting the second pin. The application has the functions of quickly determining overcurrent in a laboratory and giving a warning.

The invention relates to a resistor structure comprising at least an electrically insulating substrate in a cylindrical form, at least one electrically conductive terminal directly or indirectly provided on the substrate, at least one resistive path directly or indirectly and at least partially provided on the substrate and directly or indirectly joined to the terminal, the resistive path running helically at least partially along the cylindrical form of the substrate and comprising at least one resistive trace, characterized in that the geometry in connection with the resistive path is configured such that an intensity of the electrical field is at least in parts reduced.

The invention relates to the technical field of resistors, in particular to a convenient-to-install special resistor device for a medium-voltage load, which comprises a plurality of stacked resistor units, each resistor unit comprises a support frame and a plurality of resistor tubes, the periphery of each support frame is enclosed, the upper and lower parts of each support frame are open, and the resistor tubes are arranged in the support frames. Each resistor tube comprises an insulated supporting tube and a resistor strip, the resistor strip is an exposed metal strip, the resistor strip comprises a main body section and a connecting section which are integrally and continuously bent and sequentially alternate, the main body section keeps a linear shape by virtue of the strength of the main body section, the connecting section is in an arc shape, and two adjacent main body sections are connected through the connecting section and are arranged in a V shape; a plurality of positioning grooves are formed in the outer side of the supporting pipe, and the middle of each main body section is lapped and embedded in the corresponding positioning groove. Compared with the prior art, the heat dissipation performance is good, and the power density is higher. In addition, the side wall of the supporting frame is provided with the side air holes capable of being opened and closed, and therefore the inner side and the outer side of the supporting frame can be selectively communicated in the using process.

According to the invention, the synchronous machine (1) has a starting resistor, the starting resistor having an electrical conductor, the specific resistance of which differs from copper, and the starting resistor in particular having a hollow structure.

The invention discloses a resistor (1, 101, 201), in particular a fusible resistor, having a resistance wire (6) forming a resistance element (3), the resistance wire (6) having a wound profile, in particular wound around a longitudinal axis (A). In its wound profile, at least portions of the resistance wire (6) are advantageously completely surrounded by a casing (M) composed of a pulverulent and / or granular arc extinguishing medium (7) of the resistor (1, 101, 201), the casing (M) bearing directly against the resistance wire (6).

The present invention relates to an electrical resistance (1) extending between a first end (2) and a second end (4), comprising a plurality of modules (10) made of an electrically insulating material and a winding (11) wound in turns around the modules (10), each of the modules (10) having an outer peripheral surface (12) and an inner peripheral surface, the modules (10) being arranged side-by-side from the first end (2) to the second end (4) of the electrical resistance (1), thereby defining a volume (44) configured for the circulation of a cooling fluid.

The utility model relates to the technical field of resistance explosion prevention, in particular to a low-power explosion-proof leadless wire-wound fusing resistor, which comprises a resistor body, the resistor body comprises a shell, an explosion-proof snap ring for explosion prevention is fixedly connected to the surface of the shell, vent holes are arranged on the surface of the explosion-proof snap ring, the shell is hollow, and a fuse is arranged in the shell. The low-power anti-explosion lead-free wire-wound fusing resistor comprises a shell, an insulating base body is inserted into the shell, a cavity is formed between the shell and the insulating base body, a vent hole is communicated with the cavity between the shell and the insulating base body, the vent hole is used for reducing the internal pressure of the cavity, and the shell is made of an epoxy resin material. The resistor adopts a unique explosion-proof structural design and a special packaging material. And at the moment that the resistor is fused, the internal pressure can be effectively inhibited and limited in the resistor, and explosion caused by outward diffusion of the internal pressure is prevented.

Resistor arrangement (10) for a tap changer (1) for uninterrupted switching between winding taps of a transformer, the resistor arrangement (10) comprising at least one resistive element (20) which is held by at least two resistive holders (30), characterized by: - a base plate (11) with at least one opening (12) on which the at least two resistance holders (30) for receiving the resistance element (20) are arranged; - a guide (31) formed in each resistance holder (30), wherein each guide (31) positions a first end (201) or a second end (202) of the resistance element (20) with respect to a longitudinal direction (L) between the two resistance holders (30), and wherein the resistance element (20) can be inserted through the opening (12) into each of the guides (31); and - two contact points (24) of the resistance element (20) which, when a resistance element (20) is inserted into the resistance holder (30), can be electrically contacted by a respective contact (40) of the tap changer (1).

The application discloses a kind of discharging protection circuit of X-ray tube, the discharging protection circuit includes high voltage control unit, sampling unit and high voltage transformer component;Control program in high voltage control unit in the application, for controlling the KV and MA value output by high voltage generating device;Double-sided copper-clad plate large-area grounding process and impulse current absorption loop are used in sampling unit, and cooperate with the discharge protection resistance in high voltage transformer component Limiting discharge impulse current, for inhibiting the impact caused by X-ray tube discharge on X-ray generating device.Using this circuit structure, the damage caused by X-ray tube discharge on X-ray generating device is eliminated, the working stability of the product is improved, and at the same time, the use requirements for X-ray tube are reduced.Because the price of X-ray tube accounts for a large proportion of the entire X-ray generating device, selecting a lower-priced domestic X-ray tube can reduce the cost of X-ray generating device, and facilitate the popularization of the product to primary hospitals.

The utility model provides a universal high-power resistor, which comprises a shell (1), and is characterized in that an insulating sheet (2) is arranged in the shell (1), a group of positioning support pieces (5) are arranged at the bottom of the shell (1), a ceramic rod (3) wound with alloy wires is erected on the positioning support pieces (5), two ends of the ceramic rod (3) are provided with lead-out sheets (4) correspondingly matched with the alloy wires, and the lead-out sheets (4) are connected with the shell (1). One end of the leading-out sheet (4) extends out of the shell (1), a certain distance is reserved between the ceramic rod (3) and the insulating sheet (2), and all gaps in the shell (1) are filled with potting materials (7). The resistor is simple in structure and convenient to use, and the size of the resistor is not increased on the premise that the working voltage of the resistor is increased.

The invention discloses a load resistor device. The load resistor device comprises an insulating bracket 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.

To provide a resistor capable of improving heat dissipation property.SOLUTION: A resistor 1 includes a resistance body part 2, and a resin part 3 covering the resistance body part 2. The resin part 3 has a heat dissipation fin 32.SELECTED DRAWING: Figure 1

The utility model provides a high-stability resistor which comprises a ceramic base body, a resistance wire is spirally wound on the outer side of the middle of the ceramic base body, two ends of the resistance wire are respectively connected with two clamping rings which are fixedly sleeved on the outer side of the ceramic base body, a pole plate is arranged at the top of each clamping ring, and the pole plate is arranged on the outer side of the ceramic base body. Support assemblies are arranged on the outer sides of the two ends of the ceramic base body; according to the utility model, the bracket assembly is arranged at the end part of the ceramic base body to provide stable support for the resistor, the mounting plate of the bracket assembly is used for mounting and fixing the resistor, and the mounting plate and the lower hoop are connected and fixed through the side supporting plate and the central supporting plate, so that compared with an L-shaped bracket in the prior art, the bracket is more stable in supporting the ceramic base body.

The utility model relates to the technical field of resistors, in particular to an S-shaped resistor structure convenient to fix and install. The resistor module is arranged in the ceramic shell, the quartz sand mixed filler is used for being filled in the ceramic shell and covering the resistor module, a groove used for being matched with installation of the resistor module is formed in the ceramic shell, and L-shaped grooves are formed in a group of opposite angles of the ceramic shell. The other group of opposite angles of the ceramic shell are outwards provided with convex blocks, the middle positions of the upper surface and the lower surface of the ceramic shell are provided with arc-shaped grooves, and the resistor module comprises a plurality of resistors which are of an S-shaped structure and are connected end to end, and connecting sheets for connecting the resistors in series. The beneficial effects of the utility model are that according to the technical scheme, the ceramic housing is provided with a plurality of groups of structures suitable for installation under different conditions, and the resistors connected in series with the S-shaped structures are arranged in the ceramic housing, so that the space is small, the power is large, and the space utilization is maximized.

The utility model discloses a wire-off-preventing wire-wound resistor, relates to the field of wire-wound resistors, and solves the problems that wire-off prevention is carried out only through one limiting plate in an existing wire-wound resistor, and a resistance wire far away from the position of the limiting plate is still easy to fall off in the using process, and the wire-off-preventing wire-wound resistor comprises a resistor body, a resistance wire is wound on the side wall of the resistor body, and an anti-falling component is arranged at one end of the resistor body; the anti-falling assembly comprises a threaded rod I and a moving block, the threaded rod I is connected to one end of the resistor body through a bearing, and the moving block is connected to the side wall of the threaded rod I through threads. Compared with the prior art, the resistance wire can be well protected, the situation that the resistance wire falls off in the use process is prevented, the situation that normal use is affected by falling off is further reduced, the fixing effect is better by fixing the three edges, prone to falling off, of the resistance wire, the service life of the resistance wire is also helped, and the use experience is better.

The present disclosure relates to systems, apparatuses, and methods for assembling cartridges for aerosol delivery devices. The cartridges may be assembled by conveying brackets between various substations that add parts to the base. In another method of assembly, the base may be moved between a plurality of robots that guide the base down into contact with a component to couple the component thereto. An inspection system may inspect the cartridge at each completion stage.

The present disclosure relates to systems, apparatuses, and methods for assembling cartridges for aerosol delivery devices. The cartridges may be assembled by transporting carriages between various substations at which parts are added to a base. In another assembly method, the base may be moved between a plurality of robots which direct the base downwardly into contact with components to couple the components therewith. An inspection system may inspect the cartridges at various stages of completion.

The utility model relates to a fuse type resistor. The fuse type resistor comprises a base part, a first lead end and a second lead end, wherein the first lead end and the second lead end are fixed on the base part; the resistance wire is arranged on the base part, and one end of the resistance wire is connected with the first lead end; the fuse is arranged on the carrying part; the carrying part is provided with at least two conductive parts which are connected with the two ends of the fuse respectively, the carrying part is detachably connected with the base part, and the two conductive parts are in contact conduction with the second lead wire end and the other end of the resistance wire respectively. The base part and the carrying part which are detachably connected are configured, so that the fuse and the resistance wire can be integrally assembled, meanwhile, the requirement for separation of the fuse and the resistance wire is met, the fuse part can be independently replaced in the using process, meanwhile, the whole machining and manufacturing process is simpler through a detachable mode, and the cost is reduced. And the cost is lower.

The utility model relates to a ceramic shell wire-wound resistor with parallel lead-out pins, the resistor comprises a ceramic shell and a resistor core body, the resistor core body is arranged in the ceramic shell, the resistor core body comprises a ceramic rod, a coating, two combined pins and a resistance wire, the resistance wire is arranged on the ceramic rod, and the coating is arranged on the ceramic rod. The coating covers the resistance wire, the combined pins are mounted on the ceramic rod, and the mounting directions of the two combined pins are opposite, so that the lead-out pins are parallel to the long edge of the ceramic shell and are positioned in the middle of the ceramic shell. Compared with the prior art, the plug-in piece is controlled to be parallel to the long edge of the ceramic shell by setting the position of the flanging of the ferrule, and meanwhile, the resistor core body can be ensured to be centered in the ceramic shell, so that the pins can be conveniently kept centered and parallel in position after being led out; the coating covers the surface of the resistance wire, so that the fixing strength of the resistance wire is enhanced, and the energy load of the resistor can be effectively increased.