57results about "Coil/loop resistive elements" patented technology

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.

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 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 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 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.

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 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.

An apparatus can a load bank module configured to electrically couple with at least one other load bank module. The load bank module and the at least one other load bank module can be further configured to electrically couple to a power source to dissipate power received from the power source. The load bank module can include trays including resistive components to dissipate the power received from the power source at a voltage level of the power source. A resistive component of the resistive components can include a coil, the coil can extending between a first end of the resistive component and a second end of the resistive component opposite the first end of the resistive component to form three or more turns of the coil.

The utility model relates to a kind of fuse resistor structure with specific fusing temperature, including resistance core, fuse conductor, conducting connecting piece and insulating encapsulation layer.The resistance core is used to provide current-limiting function, fuse conductor is set in current path, made of alloy material under predetermined temperature or current condition fusing;Conducting connecting piece connects the both ends of resistance core for external electrical connection, and insulating encapsulation layer is used to provide mechanical protection and electrical insulation.When current or temperature exceeds set threshold, fuse conductor fuses, thereby cutting off circuit, with the advantages of current-limiting and overcurrent protection integration, compact structure, fast response.

The technical problem that the utility model wants to solve provides a kind of winding resistance structure, this winding resistance structure is easy to install, and heat dissipation is sufficient, and resistance parameter can be adjusted by adjusting resistance length.The winding resistance structure includes ceramic framework and winding resistance wire, ceramic framework includes first ceramic piece, second ceramic piece and multiple third ceramic pieces and is connected by connecting structure;First ceramic piece, second ceramic piece and multiple third ceramic pieces are provided with ceramic spiral rib along the axial direction and form spiral groove, and winding resistance wire is wound in spiral groove body, and the both ends of winding resistance wire are respectively provided with connector;By adjusting the quantity of multiple third ceramic pieces, the total length of ceramic framework and the length of winding resistance wire are adjusted, so that the parameter of resistor reaches the required parameter;According to the need, the pitch of ceramic spiral rib is adjusted, so that the entire winding resistance wire obtains the required sufficient heat dissipation space, and can be fully heat-dissipated.

The utility model discloses an internal winding resistor, which particularly relates to the technical field of resistors and comprises an insulating rod, a notch groove is arranged on the outer surface of the insulating rod, a resistor winding is arranged in the middle of the notch groove, iron caps are symmetrically sleeved at two ends of the insulating rod, a sealing ring is arranged on one side of each iron cap, and a groove is arranged on the other side of each iron cap. The side, close to the groove, of the iron cap is fixedly connected with a wire, and the insulating rod is sleeved with an insulating cylinder. According to the utility model, the groove matched with the resistor winding wire is arranged in the iron cap, so that when the iron cap is sleeved at two ends of the insulating rod, the iron cap is tightly attached to the resistor winding wire, and the iron cap can only rotate to be separated from the insulating rod through the matching of the resistor winding wire and the groove, but the iron cap can only rotate through the anti-skid groove on the surface of the iron cap; according to the iron cap, the attaching strength of the iron cap and the insulating rod can be improved after the insulating coating is arranged, the iron cap is prevented from rotating, and therefore the iron cap cannot be loosened when the iron cap is extruded.

The utility model discloses a winding resistor with an adjustable welding angle, which comprises a ceramic core column, metal end caps are arranged at two ends of the ceramic core column, a resistance wire is wound on the surface of the ceramic core column, two ends of the resistance wire are respectively welded with the metal end caps, and an insulating shell is encapsulated outside the metal end caps, the resistance wire and the ceramic core column. Metal rods are arranged on the outer end faces of the two metal end caps, and the ends, away from the ceramic core column, of the metal rods penetrate out of the insulating shell and are connected with leads through rotating parts. According to the utility model, the conductivity of electrical connection between the lead and the resistor caused by direct bending of the lead can be avoided, the use effect of the resistor is ensured, and the normal operation of the whole circuit is ensured.

The utility model provides a discharge resistor based on a spring-shaped continuous resistance wire, which is used for solving the technical problems that the size of the existing large-resistance resistor is increased along with the increase of the length of a resistance material, so that the production cost is higher, and the intelligent and miniaturized requirements are not met. According to the discharge resistor based on the spring-shaped continuous resistance wire, the resistor body is arranged to be the spring-shaped continuous resistance wire, the length of a resistor current path is increased through the spring-shaped continuous resistance wire, and a higher resistance value is realized in a spring-shaped path, so that the size of a resistor cross section required by current impact is met; under the same volume, the resistance value of the resistor disclosed by the utility model is far greater than that of the traditional resistor disc or resistive film, and meanwhile, the resistor is simple in structure, low in cost and capable of being used in an environment with greater vibration, and effectively ensures the safe and reliable operation of a product; and meanwhile, high resistance is further realized through series connection or parallel connection of a plurality of resistor bodies.

The utility model relates to the technical field of resistors, in particular to an air-cooled follow-up load unit, which comprises an air duct, a motor fixed on the air duct, a rotating shaft mounted on an output shaft of the motor, a supporting disc fixed on the rotating shaft, and a plurality of supporting fan blades fixed on the supporting disc in a spaced manner in the circumferential direction, the air duct is provided with an external liquid groove, and the outer end part of each supporting fan blade is provided with an external leading-out terminal inserted into the external liquid groove; the air duct is provided with an internal liquid receiving groove; an inner leading-out terminal inserted into the inner liquid receiving groove is arranged at the inner end part of each supporting fan blade; the supporting fan blades are insulators, each supporting fan blade is wound with a resistance wire, and the two ends of each resistance wire are connected with the outer leading-out terminal and the inner leading-out terminal of the corresponding supporting fan blade respectively, so that the resistance wires are electrically conducted through the conductive liquid. Compared with an existing load, the resistance wire is wound on the fan blades of the fan, the fan runs to drive the resistance wire to rotate, wind resistance is basically not generated on the fan, the requirement for the fan is lowered, and meanwhile the heat dissipation performance is improved.

The utility model discloses a painted wire wound resistor which comprises a porcelain tube, clamping rings are sleeved at two ends of the porcelain tube, the clamping rings are fixed on two sides of the porcelain tube in a welding manner, alloy wires are uniformly wound on the outer wall of the porcelain tube, two ends of the porcelain tube are connected with a bracket through the clamping rings, the bracket is welded with the clamping rings, and insulating layers are arranged on the surface of the porcelain tube and the surfaces of the alloy wires. The clamping ring comprises a ring body, the ring body is provided with a plurality of fixing parts, the fixing parts can be bent in the radial direction of the ring body, in the first state, the fixing parts are of a straight strip-shaped structure, in the second state, the fixing parts are of a bent strip-shaped structure, and the fixing parts are matched to form a clamping jaw structure. According to the utility model, the snap ring is welded with the porcelain tube, the bracket is welded with the snap ring, and the porcelain tube is connected with the bracket through the snap ring, so that the resistor wound by the painted wire is integrated and is more convenient to install, and compared with a screw fixing mode, the bracket is welded with the snap ring, so that the vibration and impact resistance can be improved.

A system and method for thermally severing a connector that couples a releasable device to an end of an elongate shaft using a resistive heating device adjacent to or in contact with the connector. The resistive heating device can be a surface mount chip resistor. First and second conductive elements made of dissimilar metals are coupled to first and second terminals of the resistive device, respectively. The first and second conductive elements serve two functions. The first function is to supply power to the resistive device. The second function is to form part of a split junction thermocouple that monitors the temperature of the resistive device. The temperature of the resistive device is controlled by alternately coupling the first and second conductive elements to a power source and a temperature sensing circuit.

The pre-charging resistor comprises a shell, a resistor assembly and a slow heating layer, the shell comprises a bottom plate and a side plate, the side plate is arranged in the first direction, the bottom plate is arranged on the side, in the first direction, of the side plate, the side plate and the bottom plate are connected to define a containing cavity, the resistor assembly is arranged in the containing cavity, and the slow heating layer is arranged on the side, facing the resistor assembly, of the side plate. And the slow heating layer covers the side plate. According to the application, the slow heating layer is arranged to cover the side plate, so that the diffusion speed of heat generated when the resistor assembly works can be reduced, the speed of heat diffusion from the side plate to the outside of the shell is reduced, the temperature rise speed around the side plate is reduced, the influence on electronic components around the side plate is reduced, and the possibility of failure of the electronic components is reduced.