10497 results about "Electric wire" patented technology

Systems and methods for providing hemodynamic support to a patient with an intravascular blood pump are disclosed. In some implementations, the blood pump includes a motor and an improved motor cable for delivering electrical power to the motor. The motor includes a stator with one or more coils. The motor cable includes one or more electrical conduits. The motor cable also includes a tail portion and a head portion. In some implementations, the head portion may have an O-shape or a C-shape. The motor cable may reduce the complexity of assembling the blood pump. For example, the motor cable may reduce the risk of shorting the one or more coils and / or the one or more electrical conduits.

The invention relates to the technical field of cross-linked polyethylene cable accessories, and discloses a cross-linked polyethylene insulated cable overhead installation device which comprises a wire supporting rod, a hoisting steel cable, a cross-linked polyethylene insulated cable and a driving assembly, the driving assembly comprises a steel cable clamping block and a cable clamping block, and a steel cable pulley and a cable pulley which are vertically symmetrical are arranged in the driving assembly; a pushing assembly is arranged at the top of the steel cable clamping block and comprises a supporting transverse plate, a first telescopic rod, a rectangular frame, an upper supporting rod and a lower supporting rod, and locking clamps are sleeved outside the supporting transverse plate, the first telescopic rod, the rectangular frame and the upper supporting rod. When the driving assembly is pulled, the roller encoder measures the distance and controls the distance; the pushing assembly drives step by step, the steel cable clamping blocks are fixed firstly, then the cable clamping blocks are pushed by the same distance and then fixed, the clamps are pulled in a matched mode to be tightened, the device achieves accurate control over the distance between the clamps and the looseness of the cables, the cables are prevented from being too loose and abraded or too tight and damaged, the water blocking function is protected, the line stability is improved, and the operation and maintenance cost is reduced.

A power transmission device includes a power transmission mechanism having a plurality of rotating elements, a case that houses the power transmission mechanism, a sensor disposed at a bottom of the case, and an electrical wire that electrically connects the sensor and a connector section. As viewed from a direction of an axis of rotation of the power transmission mechanism, the electrical wire is routed to pass between the plurality of rotating elements to a top of the case, with the connector section being disposed at the top of the case.

The invention discloses a heat-aging-resistant automobile wire processing technology, belongs to the technical field of wire processing, and is used for solving the technical problem that the heat aging resistance and the mechanical property of an automobile wire need to be further improved in the prior art. According to the method, modified polyvinyl chloride is taken as a raw material, a modified elastomer and a modified inorganic filler are taken as reinforcing materials, an auxiliary additive is taken as an auxiliary agent, a modified sheath material is prepared through melt grafting, the sheath material is extruded on the surface layer of the symmetrical cable, and the automobile wire is obtained. The heat aging resistance and mechanical property of the automobile wire are improved, and the flame retardant property of the automobile wire is also improved.

The invention discloses a crimping test device for an electric connector, a lifting structure is rotatably connected with a lifting plate, a rotating shaft is also provided with a swing structure, a floating piece is fixed below the lifting plate, a base is slidably provided with a placing plate through two transverse rails and transverse slide blocks, the placing plate is provided with a terminal clamp, and the terminal clamp is provided with a terminal. A connector terminal is fixed to the terminal clamp, an electric wire of the connector terminal is fixed to a cable fixing piece, a vibrating piece is installed on the rear side transverse sliding block, the floating piece is in sliding connection with the vibrating piece, and a driving piece is installed on the swing structure in a sliding mode. The lifting plate does up-and-down reciprocating rectilinear motion under the action of the speed reducer through the lifting structure, so that the cable fixing piece can do up-and-down reciprocating motion, an electric wire fixed on the cable fixing piece can be continuously straightened and loosened upwards, and the state that the electric wire on the connector terminal is suddenly pulled is simulated.

The invention relates to a high-temperature superconducting cable and a manufacturing process thereof, and belongs to the technical field of electric wires and cables.The cable comprises a supporting framework, a buffer layer, a three-phase superconducting composite layer, a shielding layer, a heat insulation layer and a sheath layer which are sequentially arranged from inside to outside; the heat insulation layer comprises at least two layers of corrugated pipes formed by continuous rolling and welding, and the corrugated pipes are of periodic concave-convex structures obtained by conducting continuous rolling and side seam welding on metal strips to form closed pipe bodies and then conducting embossing treatment on the closed pipe bodies. A woven reinforcing layer wrapping the peripheries of the corrugated pipes is further arranged in the heat insulation layer, and the adjacent corrugated pipes are connected through supporting pieces to form a vacuum interlayer. According to the application, the corrugated pipe formed by continuous coiling and welding is combined with the combined structure of the braided reinforcing layer and the supporting piece, so that the continuous production of the large-length high-temperature superconducting cable can be conveniently realized, and the problems of axial stress concentration and seam accumulation defects existing in a heat insulating layer of a traditional prefabricated sleeve pipe can be eliminated; and the air tightness stability of the vacuum interlayer of the large-length high-temperature superconducting cable is ensured.

A hard start capacitor replacement unit includes a capacitor container having a cover, a plurality of capacitors received within the container, each of said capacitors having a capacitance value, a common terminal mounted on the cover and electrically connected to a common terminal of each of said plurality of capacitors, a plurality of cover terminals mounted on the cover spaced apart from the common terminal and from each other, each cover terminal respectively electrically connected to one of the plurality of capacitors, a relay having contacts and being capable of opening and closing said contacts in response to a monitored condition of the motor, the relay having relay terminals, a fuse electrically connected to one of the relay terminals by a first wire wherein the fuse electrically disconnects the hard start capacitor replacement unit and the motor upon a failure, and a second wire electrically connecting one of the relay terminals and the motor, a third wire electrically connecting the common terminal and one of the relay terminals, a fourth wire electrically connecting one or more cover terminals to one of the relay terminals, wherein the contacts of the relay close to electrically connect one or more capacitors of the plurality of capacitors to the motor, and the contacts of the relay open to electrically disconnect the one or more capacitors of the plurality of capacitors from the motor.

The invention relates to the technical field of wires and cables, and particularly discloses a wire and cable test system based on sensor data acquisition, which comprises a data acquisition module, an intelligent analysis module and a function output module. The intelligent analysis module integrates technologies such as multi-modal signal blind source separation, mechanism-data hybrid drive deep learning, federated learning and digital twinborn linkage and self-supervised learning optimization, and forms a layer-by-layer progressive analysis system. Interference components are effectively eliminated through a signal separation technology, meanwhile, the adaptability of the model to different working conditions and different cable types is improved by means of fusion of mechanisms and data, model collaborative optimization under multi-site data privacy protection is realized through federated learning, and a self-supervised learning-driven digital twinborn evolution mechanism is combined, so that the multi-site data privacy protection model is optimized. The problems that a traditional analysis technology is insufficient in generalization ability, simulation precision is prone to drifting, and privacy risks exist in data sharing are solved, and the accuracy of fault recognition and the long-term adaptability of the system are remarkably improved.

The invention relates to the technical field of electric wires and cables, discloses a high-elasticity waterproof cable based on blending of water-blocking powder and an elastomer, and aims to solve the problems that in the prior art, during long-term dynamic service, interlayer separation is easily caused by interfacial stress superposition, so that elasticity attenuation and waterproof barrier damage are caused, and the service life is affected. According to the invention, the sodium polyacrylate water-blocking powder is subjected to composite modification and is blended with an elastomer matrix, modified nano silicon dioxide is matched for dispersion, an inner and outer layer gradient insulation structure is designed, and ultrasonic dispersion, nitrogen protection steam cross-linking and other processes are combined; the cable is sequentially provided with the conductor layer, the conductor shielding layer, the gradient insulation layer, the insulation shielding layer and the sheath layer from inside to outside, interface stress concentration is reduced, interlayer combination stability is enhanced, and the cable can still keep excellent elastic recovery capability and waterproof barrier integrity under high-frequency torsion and repeated dry-wet cycles.

The invention relates to the technical field of electric wire materials, in particular to a preparation process of a high-strength halogen-free flame-retardant electric wire. According to the preparation method, the polyolefin flame-retardant microspheres are obtained by adding propenylated cyclotriphosphazene, propenylated phosphaphenanthrene, methyl methacrylate, lauroyl peroxide, polyvinyl alcohol and deionized water. The flame-retardant modified boron nitride nanosheet is prepared by the following steps: firstly, preparing a flame-retardant modified boron nitride nanosheet, and then adding hydroxylated boron nitride, gamma-glycidyl ether oxypropyl trimethoxy silane and 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, so as to obtain the flame-retardant modified boron nitride nanosheet. An ethylene-vinyl acetate copolymer, polyolefin flame-retardant microspheres, flame-retardant modified boron nitride nanosheets, an antioxidant and a lubricant are mixed and react, and the high-strength halogen-free flame-retardant protective sleeve is obtained. And wrapping the periphery of the copper core wire with the high-strength halogen-free flame-retardant protective sleeve to obtain a finished product. The finished product prepared by the invention has excellent flame retardant property and high strength, thereby having a wide application prospect in the technical field of electric wire materials.

A mirror assembly that includes a mirror having one or more box openings, a frame shaped to correspond to the shape of the mirror, a wire management assembly and a power supply assembly. The wire management assembly has one or more electrical boxes that are secured to the frame and positioned adjacent to the one or more corresponding box openings in the mirror. The wire management assembly also has at least one raceway that extends between the one or more electrical boxes and the frame. The wire management assembly provides electrical wires between the power supply assembly and one or more electrical fixtures attached to the one or more electrical boxes so that the one or more electrical fixtures are on a face side of the mirror. The power supply assembly provides electrical power to the one or more electrical fixtures.

A data cable jack assembly comprises features that ensure secure connectivity between a data cable's drain wire and the assembly's metal door, as well as features that promote consistent and organized termination of the cable's insulated conductors. The assembly includes a wire management component through which is formed a cable reception hole surrounded by a collar on one side of the component. The jack assembly's door includes a flange around which the cable's drain wire can be wound, thus establishing a robust electrical connection between the drain wire and the metal jack door.

The invention relates to the technical field of intelligent power grids, in particular to a low-voltage draw-out type switch cabinet which comprises a cabinet body, a power grid arranged on the inner side wall of the cabinet body, a heat dissipation plate arranged on the inner side wall of the cabinet body, a plurality of static contacts arranged on the inner side wall of the cabinet body and a cleaning mechanism arranged on the inner side wall of the cabinet body and used for cleaning the power grid. The cleaning mechanism comprises two first electric sliding rails arranged on the inner side wall of the cabinet body, according to the low-voltage draw-out type switch cabinet, the overturning plate is driven by the first motor to rotate at multiple angles, the spraying head can evenly cover the outer corners of the cabinet body after the insect repellent is atomized, reptiles are dispersed from the source, and the low-voltage draw-out type switch cabinet is convenient to use. The cleaning mechanism can be quickly started, heat dissipation blocking and equipment faults caused by accumulation of dead insects are prevented, and it is guaranteed that the low-voltage draw-out type switch cabinet is always kept in a safe and stable working state in long-term operation.

The invention discloses an electric wire and cable copper wire stranding machine, and belongs to the technical field of copper wire stranding, the electric wire and cable copper wire stranding machine comprises a rack, a winding mechanism used for winding a stranded copper wire is assembled on the rack, a material rack unit is assembled on one side, far away from the winding mechanism, of the rack, the material rack unit comprises a shaft rod installed in a first bearing seat, and an installation disc is assembled on the shaft rod; a material frame is inserted into the mounting disc by forming an inserting groove, and a driving piece is assembled at one end of the shaft rod; through the arrangement of the anti-loosening unit and the stranded wire guide frame, the rotating pay-off barrel drives the extending frame through the moving unit to push the rolling shaft to be attached to a copper wire in real time in the stranding process, so that no matter what degree the pay-off is achieved, the rolling shaft can always apply tension to the wire outlet end of the copper wire, the copper wire is kept in tension, and the copper wire is prevented from being loosened. The stranding machine is simple in structure and convenient to use, the loosening condition along with the increase of the paying-off time is avoided, the loosening condition of the stranded wire is avoided, the quality of the stranded wire is ensured, and the risk of increasing the fault of the stranding machine is avoided.

An electrical line selection system comprising a circuit module configured to connect energy sources with multiple line outputs. The circuit module has a number of inputs configured to connect to energy sources, including rechargeable battery systems, and a number of outputs configured to connect with other electrical systems such as other battery systems, loads, charging sources, and various AC or DC power supplies. A switching circuit is contained by the circuit module and a controller manages the switching circuit based on desired connections and strategies for managing power supplies and current sinks.

A power system includes a central unit, a zone unit capable of communicating with the central unit, and a downstream electric wire configured to electrically connect a predetermined downstream unit to the zone unit. A central processor of the central unit executes processing including transmitting electric wire characteristic data stored in a central storage device to the zone unit at a predetermined timing. A zone processor of the zone unit executes processing including writing the electric wire characteristic data transmitted from the central unit into a zone storage device in response to reception of the electric wire characteristic data, and determining whether to turn a semiconductor switch coupled to the downstream electric wire to an OFF state, based on the electric wire characteristic data written into the zone storage device and the current detected by a current sensor.

The invention belongs to the technical field of integrated circuit manufacturing, and particularly relates to a PCB welding machine which comprises a workbench, a supporting table is fixedly connected to the upper end of the workbench, a welding head is installed at the upper end of the supporting table in a sliding mode, a feeding assembly is arranged on one side of the supporting table, and the feeding assembly comprises two first rectangular strips arranged at the upper end of the workbench in a sliding mode. A plurality of sets of clamping assemblies are arranged between the two first rectangular strips, each clamping assembly comprises two L-shaped clamping strips, third round holes are formed in the middles of the L-shaped clamping strips, the multiple L-shaped clamping strips can slide on the outer side of a third cylindrical strip through the third round holes, the third cylindrical strip is arranged between the two first rectangular strips, and the clamping assemblies are arranged between the two first rectangular strips. An electric wire is clamped by driving the L-shaped clamping strip and then moved to a welding point of the PCB for welding, so that a worker does not need to approach a welding head of a welding machine in the welding process, and high-temperature scalding is prevented.

A connector includes a wire including a core wire and an insulation coating covering an outer periphery of the core wire, a terminal to be connected to the core wire, an inner housing including a terminal accommodating portion for accommodating the terminal inside, a rear holder to be attached to a rear part of the inner housing and a collective sealing portion to be mounted into the rear holder. The rear holder includes a wire insertion hole, through which the wire is inserted. The collective sealing portion includes an inner sealing portion for sealing the wire inserted through the wire insertion hole. The insulation coating of the wire includes a sheath portion and a body portion separate from each other. The sheath portion is disposed forward of the body portion and slidable with respect to the core wire.

To provide a protector capable of preventing a cover from being assembled to a base reversely to a proper orientation.SOLUTION: A component covering a wire bundle, in which a plurality of wires is bundled, with a corrugated tube is passed inside of a protector 1, and the protector protects the wire bundle and the corrugated tube. The protector comprises a base 2, which is formed in a gutter shape, and a cover 3 which is assembled to the base 2 and closes an opening of the base 2. When the cover 3 overlaps the base 2 in a proper orientation, reverse assembly regulation ribs 35a, 35b, 36 and 37 provided in the cover 3 enter notches 25, 26 and 27 provided on sidewalls 22 and 23 of the base 2, such that the cover 3 can be assembled to the base 2. When the cover 3 overlaps the base 2 in a reverse orientation, the reverse assembly regulation ribs 35b and 36 interfere the sidewalls 22 and 23 of the base 2, such that the cover 3 cannot be assembled to the base 2.SELECTED DRAWING: Figure 7

The invention discloses a crosslinked polyethylene sheath insulation variable frequency cable, and relates to the technical field of cables, and the cable comprises a cable assembly, a temperature sensing mechanism penetrates through the center part of the inner side of the cable assembly, and a plurality of first heat dissipation assemblies are distributed on the side wall of the cable assembly in the circumferential direction at equal intervals; a second heat dissipation assembly is arranged between every two adjacent first heat dissipation assemblies. The temperature sensor is distributed in the middle of the inner side of the filling layer, and the wire conductors are annularly distributed on the inner side of the filling layer, so that the temperature sensor is arranged in the center between the wire conductors, and the temperature sensor can monitor the temperature generated by the wire conductors; according to the utility model, data can be transmitted to the controller through the sensing circuit, and the wire conductor stops working through analysis and control of the controller, so that the temperature is reduced, and the situation that the circuit cannot be normally used when the circuit fails or overload occurs due to overhigh load is avoided.

The utility model provides an electric wire cup and a control system thereof. The control system comprises a control unit, a switching unit, an energy storage unit, a residual electricity management unit and a monitoring unit. The monitoring unit is used for monitoring the state of the electric wire cup in the pay-off and take-up processes; the control unit selects a control mode for the electric wire cup according to a monitoring result of the monitoring unit and switches a charging and discharging mode of the energy storage unit for a driving circuit of the electric wire cup through the switching unit, and the control mode comprises an acceleration mode, a braking mode and a take-up mode; the residual electricity management unit is electrically connected with a driving circuit of the electric wire cup through a wiring terminal, and charges the energy storage unit from the driving circuit in a braking mode and a take-up mode. According to the technical scheme, energy generated by braking of the electric wire cup can be fully utilized, and the wire throwing distance can be effectively increased while wire explosion is prevented.

The invention discloses a power distribution box convenient for wire arrangement, and relates to the technical field of power distribution boxes, the power distribution box comprises a box body mechanism, the box body mechanism comprises a box shell, the inner wall of the box shell is fixedly connected with a fixing frame, the fixing frame is fixedly connected with a mounting frame, and the box shell is rotatably connected with a box door; the wire arranging mechanism is fixedly connected to the inner wall of the box shell and comprises a connecting frame fixedly connected to the inner wall of the box shell, the connecting frame is movably connected with a clamping frame, the clamping frame is in threaded connection with a fixing bolt, one end of the clamping frame is in contact with the surface of the connecting frame, and the clamping frame is fixedly connected with a limiting assembly. Through cooperation of the wire arranging mechanism and the wire arranging mechanism, wires in the distribution box can be arranged and arranged conveniently, target wires can be found quickly during maintenance, the fixed wires are also convenient to unlock, and when the cables are pulled by external force, the cables are not prone to displacement or tripping, so that the safety of the distribution box is improved. And the situation of poor contact hidden danger caused by stress deviation and even loosening of the wiring terminal is reduced.

To provide a vehicle powertrain structure capable of ensuring safety during a vehicle collision, a vehicle includes a drive system, a battery, and an inverter. The drive system has a motor for travel of the vehicle and a motor housing formed of a conductive material. A direct current (DC) connector, to which a wire extending from the battery is connected, is disposed in a rear wall portion of the battery housing. The motor housing accommodates DC bus bars that connect the DC connector and a circuit section of an inverter and an auxiliary machine wire that connects between the DC connector and an electric compressor mounted on the vehicle. A junction box in which the auxiliary machine wire is branched from the DC bus bars is arranged in a rear space behind a motor accommodation space that accommodates a stator and a rotor of a motor.

A radiation imaging apparatus includes the following, a radiation detector that detects radiation; an electronic circuit; a plurality of electric wiring that connects the electronic circuit; a supporter that supports the radiation detector; and a case that includes a front surface portion in which radiation is incident and a rear surface portion facing the front surface portion with the radiation detector in between. The case stores the radiation detector, the electronic circuit, the plurality of electric wiring and the supporter. The plurality of electric wiring is positioned between the supporter and the rear surface portion, and at different positions in a thickness direction of the radiation imaging apparatus. The plurality of electric wiring include GND wiring that is used for a power supply. The GND wiring is positioned in a position farther from the radiation detector than other wiring in the thickness direction.

The invention relates to the technical field of power distribution. The invention discloses a power distribution cabinet wire fault detection and identification method, which is characterized in that a plurality of wires with different specifications are arranged in a power distribution cabinet, and the method comprises the following steps: obtaining real-time operation parameter data of the plurality of wires, and determining a fault wire based on a reference parameter set of normal work of a to-be-detected wire and a deviation characteristic value relation of real-time parameters; fault parameter data of the faulty electric wire are input into a multi-layer fault identification model, the model comprises a plurality of sub-identification units connected in sequence, each unit detects different types of faults, and finally a fault mode is obtained. According to the method, at least three parameters are acquired through distributed sensing, and data reliability is guaranteed through noise reduction and normalization processing. On the basis of a double-threshold criterion and dynamic weight calculation, faulty electric wires are accurately distinguished, and misjudgment and missed judgment are completely eradicated. The multi-layer model carries out progressive detection, an emergency fault is preferentially recognized, and the sub-recognition units are matched with an exclusive algorithm to improve the accuracy.

The invention discloses a fireproof flame-retardant technology for electric vehicles. The invention relates to the technical field of fire prevention and flame retardance of electric vehicles (non-new energy electric vehicles). Along with increasing quantity of various electric two-wheeled vehicles, tricycles and four-wheeled vehicles, spontaneous combustion of the electric vehicles and ignition of surrounding vehicles occur occasionally, and serious property loss is caused. Corresponding flame retardants are added into raw materials for manufacturing parts such as plastic parts, rubber parts, sponge parts and leather parts of the electric vehicle to manufacture the parts with flame retardance, fireproof paint is sprayed on the inner surfaces and the outer surfaces of metal parts and the plastic parts of the electric vehicle, and fireproof electric wires are adopted as wires of electric elements of the electric vehicle. And a series of measures such as sleeving the fireproof wire with a fireproof cloth sleeve and protecting the battery compartment by using a fireproof heat-insulating material are taken, so that the whole electric vehicle has fireproof and flame-retardant functions. When electric vehicle wires are short-circuited and on fire, batteries are spontaneously combusted or adjacent vehicles are combusted, the battery is not ignited.

A system includes a structural member providing front and back faces, and first and second webs extending between the front and back faces and laterally offset from each other to define a hollow space therebetween. A wire transfer channel is defined at an end of the first web adjacent the front face and extends into the hollow space. A shear block provides a base, a connector portion extending from the base in a first direction, and first and second legs extending from the base in a second direction opposite the first direction, wherein the first and second legs are attachable to the first web to couple the shear block to the structural member.