1747 results about "Power cord" patented technology

A photoelectric composite flexible high-voltage reel cable, including a polyethylene outer sheath (1), a double-face plastic-coated steel belt (2) connected to an inner side of the polyethylene outer sheath (1), an insulating tape (3) connected to an inner side of the double-face plastic-coated steel belt (2), an anti-crack protective sleeve (4) connected to an inner side of the insulating tape (3), and a power cord body (6), a filler rope (7), a reinforcement (9) and an optical fiber body (8) sequentially distributed on an inner side of the anti-crack protective sleeve (4) from top to bottom, where the power cord body (6), the filler rope (7) and the optical fiber body (8) are distributed on a peripheral side of the reinforcement (9). The photoelectric composite flexible high-voltage reel cable further includes a metal radiating column (11), movable balls (13), a rubber air bag (14), and a conveying pipe (15).

The invention relates to a device (1) for contacting an electrical conductor (2), in particular a cable conductor of a power supply cable, comprising at least - a connecting body (3) that defines a receiving space (4) into which the conductor (2) to be contacted can be inserted with its end face (5), and - a contact medium (6) with a plurality of electrically conductive and adjacent contact bodies (7) introduced into the receiving space (4), with which the end face (5) of the conductor (2) can be electrically contacted. According to the invention, it is provided that the electrical conductor (2) can be fixed in the receiving space (4), wherein a contact surface (8) of the receiving space (4) facing the conductor (2) is designed in such a way that electrical contact between the connecting body (3) and the conductor (2) is optimized.

The utility model discloses an electrical safety monitoring device convenient to disassemble and maintain, and relates to the technical field of electrical safety monitoring, the electrical safety monitoring device comprises an electrical box body, a cabinet door, a mounting plate and an electrical safety monitor main body, the cabinet door is installed at the front part of the electrical box body, the mounting plate is installed inside the electrical box body, and the cabinet door is installed at the rear part of the electrical box body. And an electrical safety monitor main body is mounted at the front part of the mounting plate. According to the electrical safety monitoring device convenient to disassemble and maintain, two sets of threaded knobs are unscrewed firstly, so that when extrusion blocks at the ends of the threaded knobs no longer extrude the surface of the front portion of the electrical safety monitoring instrument body, a bidirectional threaded rod can be reversely rotated, and when the bidirectional threaded rod is reversely rotated, two sets of limiting plates can be driven to perform threaded sliding away from each other; the power lines can be separated through the partition plates, and the power lines can be extruded and fixed through the limiting blocks, so that the multiple groups of power lines can be placed in order, and the situation that the power lines are wound together is not likely to occur.

A power feeding connector (18) to which a power feeding cable (19) for supplying electric power to an electric motor or a battery (12) is connected and an indicator lamp (25) that lights up when a lower traveling structure (2), an upper revolving structure (3) or a working mechanism (4) is in the middle of operating are arranged in back of an operator's seat (7). An insert port (18A) of the power feeding connector (18) which the power feeding cable (19) is connected or disconnected is located to be oriented to the indicator lamp (25)-side in the left-right direction. Because of this arrangement, the insert port (18A) can be illuminated by light emitted from the indicator lamp (25), allowing an operator of an electric hydraulic excavator (1) and workers around it to recognize that the electric power fed from an external power source (13) is being supplied to the electric hydraulic excavator (1) via the power feeding cable (19) connected to the power feeding connector (18) and that the electric hydraulic excavator (1) is in the middle of operating with this electric power.

The utility model discloses a honeycomb type heat dissipation rear cover which comprises a cover body, the outer side of the cover body is provided with two containing concave surfaces, the bottom surfaces of the containing concave surfaces are provided with a plurality of heat dissipation concave holes integrally formed with the cover body, the heat dissipation concave holes are honeycomb-shaped open holes, and the depth of the heat dissipation concave holes is smaller than the thickness of the cover body. An installation protrusion is arranged in the center of the outer side of the cover body, a power line outlet and two counter bores are formed in the edge of the outer side of the cover body, installation holes are formed in the counter bores, a through hole is formed in the center of the installation protrusion, and reinforcing ribs are arranged between the installation protrusion and the counter bores. Two forming grooves are formed in the outer side of the cover body; the cover body of the honeycomb type heat dissipation rear cover can lead out heat in the motor through the heat dissipation concave holes, the thickness of the part, located at the heat dissipation concave holes, of the cover body is small, heat transfer is faster, heat of the motor can be dissipated to air more easily, the heat dissipation performance of the motor and parts is improved, and the service life of the motor and the parts is prolonged.

A motor leakage current detector and / or a heat compensating circuit, devices using same and related methods are disclosed herein. Included are a uniquely wired current transformer to allow for polarity agnostic leakage current detection, a leakage current detector using same and having a notifier to alert a user. In other forms, an accessory power cord and power strip are disclosed capable of detecting early motor failure conditions. In still other forms, other machinery failure early warning systems are disclosed as are numerous motor operated devices using same including without limitation pumps.

The present invention relates to a bimodal atmospheric pressure plasma activated water generation system and method, and belongs to the technical field of plasma activated water, the system comprises: a reaction container for accommodating a liquid to be activated; the medium assembly comprises an insulated medium pipe, the lower end of the medium pipe extends into and is suspended in the reaction container, an air inlet is formed in the side wall of the medium pipe, and a micropore is formed in the bottom end of the medium pipe; the discharging assembly comprises a high-voltage needle electrode, low-voltage electrodes and a power supply, the high-voltage needle electrode is inserted into the dielectric tube, the low-voltage electrodes comprise a first low-voltage electrode surrounding the periphery of the dielectric tube and a second low-voltage electrode fixedly connected to the bottom of the reaction container, and the high-voltage needle electrode is connected to the power supply through a high-voltage power line; and the second low-voltage electrode extends out of the reaction container and is connected to a power supply through a low-voltage power line. The preparation of plasma activated water with two properties can be realized on the same system through simple voltage regulation, and the application range and the use flexibility of equipment are greatly expanded.

An electrified fire fighting vehicle includes a chassis having a pair of frame rails, a cab, a body, an electric motor coupled to the chassis, and an energy storage system. The energy storage system includes a rack, a battery pack, a power distribution system, and a power cable. The rack is coupled to and extends upward from the chassis. The rack defines an interior chamber. The battery pack and the power distribution system are positioned within the interior chamber. The power cable runs from the power distribution system to the electric motor. The power cable is configured to provide alternating current power from the power distribution system to the electric motor. The power cable extends out of the rack proximate a lower edge thereof and between the pair of frame rails to the electric motor without crossing over or under the pair of frame rails of the frame.

An RGB outdoor waterproof light source includes a top cover, a bottom cover and a lamp panel. The bottom cover is provided with a mounting groove. The lamp panel is fixedly mounted in the mounting groove. Power lines are arranged at two ends of the lamp panel, respectively. Receiving grooves are formed in two ends of the bottom cover. The top cover is provided with a chamber. Press-fit grooves are formed in two ends of the top cover. At least two rows of partitions are arranged in the press-fit grooves, and at least two rows of partitions are arranged the receiving grooves. Jaws are arranged on the partitions. After the top cover and the bottom cover are pressed together, the wires are squeezed by means of an interference amount caused by an inward deflection of the contour of wires to fill in a gap to realize sealing.

This method diagnoses whether a circuit breaker wire is effective while the relay is disconnected, without actually connecting the relay. [Solution] In a vehicle power supply system comprising a relay attached to the battery side of the smoothing capacitor of the power line, a driver that drives the relay, a first control unit, a second control unit that receives a command from the first control unit and outputs a drive signal to the driver, and a cutoff wire that the first control unit uses to directly cut off the relay in priority to the drive signal from the second control unit to the driver, the first control unit, when terminating the system, outputs a command to cut off the relay to the second control unit, diagnoses whether the relay is welded based on whether or not there is a voltage drop in the smoothing capacitor, sets the cutoff wire to the cutoff side and outputs a command to connect the relay to the second control unit, and monitors the output status of the driver to diagnose whether or not the cutoff wire is effective.

The utility model relates to the technical field of lamps, in particular to a wiring-free wall lamp capable of being flexibly assembled, which comprises a lamp shell, a limiting frame is welded in an inner cavity of the lamp shell, metal plates are welded on the left side and the right side of the front side of the bottom of the limiting frame, and metal probes are slidably connected to the inner sides of the metal plates in a penetrating manner. A pressing type buckle is inserted into the middle of the front side of the bottom of the limiting frame, a storage battery shell is inserted into an inner cavity of the limiting frame in a sliding mode, a storage battery body is placed in an inner cavity of the storage battery shell, a charging and discharging plate is installed on the front side of the inner cavity of the storage battery shell, and an installation inserting rod is welded to the front side of the storage battery shell; a main control board is installed on the front side of an inner cavity of the lamp shell through bolts. And the metal probes penetrate through the storage battery shell and are in contact with the output positive and negative electrodes on the surface of the charging and discharging plate, so that the lamp is powered by the storage battery body without an external power line, the wiring-free function is achieved, the mounting position can be determined at will, and use is flexible and diverse.

The application provides an air conditioner control method and device and an air conditioner. The method comprises the following steps: acquiring the voltage value and the current value of the power line in the air conditioner in real time, correcting the original current protection value according to the voltage value and the voltage threshold to obtain a current protection correction value; controlling the frequency of the compressor in the air conditioner according to the current value and the current protection correction value, and in the control process, if the voltage value meets the starting condition and the starting instruction of the preset mode is acquired, the air conditioner is controlled to operate according to the preset mode; wherein the preset mode is used to represent the operating mode of the maximum current value. In the above control mode, the original current protection value is corrected according to the voltage value, and the frequency of the compressor is adjusted according to the current value and the current protection correction value, so that the current is effectively protected without increasing the cost. In addition, the preset mode ensures the refrigeration or heating effect of the air conditioner, and improves the user comfort.

The utility model relates to the field of outdoor power supplies, in particular to an outdoor power supply with a protective interface, which comprises a power supply body, one side of the power supply body is provided with a charging interface, one side of the power supply body close to the charging interface is fixedly connected with a shell, and the shell is sleeved outside the charging interface. Mounting holes are formed in the inner walls of the two sides of the charging interface, limiting blocks are fixedly connected to the inner walls of the two sides of the shell, a baffle is rotationally connected between the mounting holes through a shaft rod, and a spring is fixedly connected between the shaft rod of the baffle and the inner wall of the mounting hole on the same side. According to the outdoor power supply, the charging interface can be shielded through the baffle, after the outdoor power supply is used, the power line is pulled out of the charging interface, at the moment, the clockwork spring begins to rebound to drive the baffle to rotate, at the moment, the baffle can continue to be used for shielding and protecting the charging interface, and when the outdoor power supply is used outdoors, the protection performance of the device on the charging interface is effectively improved.

To provide a partial discharge measuring device and partial discharge determination method for AC rotating electric machines that are inexpensive, do not require modification work on existing equipment, and have a low risk of accidents. [Solution] The partial discharge measuring device 1 according to the present invention measures partial discharge occurring in an AC rotating electric machine 3, and is characterized by comprising: a metal foil electrode 5 of a predetermined area attached to the outer surface of the power main cable 13 within 1 m from the end of the lead wire 11 of the AC rotating electric machine 3; a circuit 7 with one end connected to the metal foil electrode 5 and grounded via a detection resistor 25; and a partial discharge measuring device 9 that measures the voltage signal caused by the partial discharge occurring at both ends of the detection resistor 25 by inputting it via a high-pass filter 27.

The present invention provides a non-excitation-operated brake that can generate the necessary braking force while being smaller in diameter and thinner. [Solution] The present invention provides a non-excitation-operated brake 1 comprising a coil 5 on which a power supply wire 5B is wound around a spool 5A, an armature 6 supported to be movable along the axial direction of the coil 5, a field core 2 which houses the coil 5 and generates an attractive force on the armature 6 when the coil 5 is excited, a disc 7 which is rotatably supported and connected to an external rotating shaft and which contacts the armature 6 when the coil 5 is de-excited, and a biasing member 4 which biases the armature 6 toward the disc 7, wherein a wave washer is provided between the field core 2 and the armature 6 as the biasing member 4.

As shown in the reference diagram illustrating the usage, this product is used, for example, by connecting it to a power cable laid under a carpet in an office or similar location.

Provided is a novel drive circuit. A level shift circuit has first to third transistors, first to third power supply lines, and first to fourth wiring lines. A back gate of the first transistor is electrically connected with the first wiring line. One of a source and a drain of the first transistor is electrically connected with the first power supply line. The potential of the first power supply line is higher than the potential of the second power supply line, the potential of the third power supply line is lower than the potential of the first power supply line and the potential of the second power supply line, the signal of the fourth wiring line switches from a low potential level to a high potential level when the signal supplied to the first wiring line is at a high potential level, and the signal of the fourth wiring line switches from the high potential level to the low potential level when the signal supplied to the first wiring line is at a low potential level.

The utility model discloses a cable bridge structure which comprises a bridge body, an installation frame is installed on the outer side of the bridge body, lock openings are formed in the front face and the back face of the bridge body, a butt joint rod is integrally connected to one side of the bridge body, a lock catch is fixedly connected to the front face of the butt joint rod, and a bridge cover is installed on the top of the bridge body. A fixing frame is installed on the top of the bridge cover, a fire extinguishing tank is installed on one side of the fixing frame in a penetrating mode, an exhaust pipe is fixedly connected to the output end of the fire extinguishing tank, an electromagnetic valve is fixedly connected to one end of the exhaust pipe, a gas conveying pipe is fixedly connected to one side of the electromagnetic valve, and a power line is electrically connected to the output end of the electromagnetic valve. According to the cable bridge, a worker can conveniently mount and dismount the cable bridge through the lock opening, the butt joint rod and the lock catch, the bridge can automatically extinguish fire at the initial stage of the fire and prevent fire spreading through the fire extinguishing tank, the exhaust pipe, the electromagnetic valve and the fire detector, and therefore the safety of the bridge is improved.

A power system includes a cabinet, an insulating extension arm, a conductive strip, a securing member, and a power cord. The cabinet has an interior space and a bracket within the interior space. The insulating extension arm is within the interior space and secured to the bracket. The conductive strip is within the interior space. The securing member passes through the conductive strip and connects the insulating extension arm and allows the conductive strip to move toward and away from the insulating extension arm. An end of the power cord is electrically coupled to the conductive strip. A power module is configured to be inserted into the interior space of the power system. The power module includes a housing and a circuit board. The circuit board is secured within the housing and includes an electrical connector. The electrical connector has an interface. The interface is configured to be plugged into the conductive strip of the power system. The present disclosure also relates to a power module.

The invention discloses an auxiliary installation fault system and method, and relates to the technical field of intelligent berth managers, and the method comprises the steps: carrying out the real-time detection of a power line in a construction process; detecting a line connection in the communication link; acquiring communication protocol sample data; and the fault information of the feedback operation state is displayed through the LCD screen, so that the fault auxiliary diagnosis is completed. According to the invention, real-time perception, accurate diagnosis and visual guidance of common faults in the installation process of the intelligent parking manager are realized, and the problem of incompatibility of equipment protocols of multiple manufacturers is effectively solved; dependence on construction experience is remarkably reduced, the one-time installation success rate and the operation and maintenance efficiency are improved, and rapid and reliable deployment of the intelligent parking system in a complex field environment is guaranteed.

A lighting circuit is provided with: m (m > = 2) switches connected in parallel to a power supply line to which a power supply voltage is applied; and a first control circuit having a first terminal to which m light sources are respectively connected, the m switches are respectively connected in series with the m light sources, and the first control circuit sequentially turns on the m switches and generates a first current flowing through the first terminal such that the light sources connected to the turned-on switches emit light.

The utility model belongs to the technical field, and particularly relates to a net-shaped atomizer which comprises a controller, a display lamp is fixedly installed in the controller, a controller connector is movably installed in one side of the controller, a connecting power line is fixedly installed at one end of the controller connector, and a power line is fixedly installed at the other end of the controller connector. An atomizer power supply plug is fixedly installed at one end of the connecting power line, an atomizer is movably installed on the outer side of one end of the atomizer power supply plug, an atomizing cup connecting opening is formed in one end of the atomizer, a sealing plug is fixedly installed on one side of the atomizer, and an atomizing cup lantern ring is connected to the outer side of the atomizing cup connecting opening in a sleeving mode; the tube connecting piece is connected with the liquid supply opening and the needle cylinder, then the push rod is pushed in the needle cylinder to convey liquid medicine into the atomizer through the tube connecting piece, and in this way, resource waste caused by splashing of the liquid medicine can be prevented, so that the practicability of the device is improved; the resource utilization rate is improved.

This product is a power regulator for industrial equipment that connects power cables to power lines in factories, etc., to provide efficient current supply and change the quality of noise that causes malfunctions, thereby reducing the frequency of malfunctions.

This utility model relates to the field of power cord connection technology, and more particularly to a power cord connection assembly, including a housing. Multiple movable plates are slidably connected inside the housing. Multiple conical blocks are fixedly connected to one side of each movable plate. Multiple sliding grooves are provided on the side wall of the housing. A plate is fixedly connected to the other side of each movable plate. A circular block is fixedly connected inside the housing, with a through groove running through its interior. A pressure plate is slidably connected to the upper end of the circular block. Two movable shells are also included, with protrusions fixedly connected to their inner walls. The multiple movable plates clamp the power cord from different angles and positions, creating a comprehensive fixation effect and effectively preventing the power cord from moving or rotating in any direction. The conical blocks, inserted into the sidewall sheath of the power cord, provide mechanical fixation, greatly enhancing the stability of the power cord connection. Even under external pulling or vibration, the power cord can be effectively prevented from loosening or falling off.

The utility model provides pulse flushes drainage ware assembly relates to drainage ware technical field, the utility model discloses the body, the bottom of body is provided with infusion tube and power cord, one end of body is provided with extension device, extension device includes the docking ring, one side fixedly connected with the slot block of docking ring, the outer surface of first sprocket is opened to have the liquid hole, the one side of round block is opened to have the clamping groove, the utility model discloses the extension device is set, when using drainage ware, through adjusting the clamping groove position of round block outer surface change first sprocket outer surface liquid hole position, corresponding adjustment slot block one side shower nozzle or long -tube nozzle and first sprocket outer surface liquid hole thorough, it is convenient in the process of operation to change the nozzle assembly of need using fast, need not to take down the whole installation again, greatly promote the flexibility and practicality when using drainage ware assembly, and reduce the infection risk probability because of replacing nozzle.

The invention relates to a long rod grinding machine and an anti-static system and a grounding method thereof, and belongs to the technical field of electric tools. The anti-static system provided by the invention comprises the three-core power line and the anti-oxidation electric connection structure arranged on the aluminum long rod, and the anti-oxidation electric connection structure is in compression joint with the grounding wire by adopting the metal wiring buckle with the tinned surface and is connected with the threaded hole in the aluminum rod through the stainless steel screw assembly; copper-aluminum contact is blocked by the tin-plated layer, and the stainless steel material reduces the potential difference, so that electrochemical corrosion is inhibited, and long-term reliability of grounding is ensured. Meanwhile, the system provides safe operation guidance in a matched mode, guides a user to confirm socket grounding and regularly check the connection state before use, and executes an emergency electrostatic discharge program when grounding fails, for example, a temporary discharge path is established through contact between a metal grounding plate and the wet ground. According to the invention, a grounding scheme with simple structure, corrosion resistance and reliable connection is realized, and a complete safety system from hardware protection to a use method is formed.

To provide an abnormality diagnostic device that can appropriately diagnose the nature of abnormalities occurring in fuel cell systems. [Solution] The abnormality diagnosis device determines that an abnormality has occurred in the power conversion circuit if the first determination condition is met, which is that the output current of the cell stack is in a predetermined high-current state, which is greater than the assumed current value assumed from the power output from the power conversion circuit to the power line, or that output suppression operation is being performed, and the second determination condition is met, which is that the output of the cooling fan is in a predetermined high-output state, which is greater than the standard output range, and the third determination condition is not met, which is that the output voltage of the cell stack is in a predetermined low-voltage state.

The light-emitting component comprises a bottom end side light source structure, a middle upper light source structure and an upper connecting piece, a conductive plugging port is formed in the upper connecting piece and electrically connected with a conductive plugging terminal of a power line in a plugging mode, and the bottom end side light source structure comprises a circular light source base and a hollow cylindrical rod. A side light source plate is arranged on the outer ring face of the circular light source base, an expansion connecting port is fixed to the upper portion of an inner cavity of the hollow cylindrical rod, an expansion connecting terminal is fixed to the bottom face of the middle upper light source structure, and the expansion connecting terminal is electrically connected with the expansion connecting port in a pluggable mode. The LED lamp is reasonable in structural arrangement, facilitates connection operation of a power supply, guarantees stability and reliability of electrical connection, is convenient to disassemble, assemble and combine, facilitates replacement and maintenance operation, can meet the requirement for lateral and upward irradiation, improves the effectiveness of illumination, facilitates improvement of the illumination effect, is convenient and fast to use, and is suitable for popularization and application. And the use requirements of different lamps can be met.

The present invention provides a power supply device that encourages users to properly hook the power supply cable onto the hook to prevent it from touching the ground. [Solution] The charger (power supply) C for charging the battery of an electric vehicle includes a charging cable (power supply cable) 2 having a connector 2B that can be connected to the electric vehicle, and a hook part 3 on which the charging cable 2 can be hooked. The charging cable 2 is marked (identification part) 5 or colored to indicate that the charging cable 2 should be wound to a predetermined winding diameter. When the charging cable 2 is hooked onto the hook part 3 according to the mark 5 or colored, the lower end of the charging cable 2 is configured not to come into contact with the ground.

The utility model relates to the technical field of unmanned plane electric wire, and disclose an unmanned plane electric wire, including convenient dismounting interface subassembly, the rear side fixed mounting of convenient dismounting interface subassembly has multiple protection electric wire subassembly, the utility model discloses through installing multiple protection electric wire subassembly on the device, can make when using this device, through the multiple protection electric wire subassembly that sets up can carry out the use of device, provides multiple protection work of power cord, avoids the accidental injury that the rupture of long -term use causes in the use of device.