51results about How to "Accurate wiring" patented technology

A circuit interrupting system has an upper cover, an intermediate support, and a base. A mounting strap is installed between the upper cover and the intermediate support, and a electric circuit board installed between the intermediate support and the base. The upper cover includes an electric output plug, a test button, and a reset button. The mounting strap includes a ground point that is connected to a ground receptacle of the electric output plug; the intermediate support on both sides a pair of output conductors. The electric circuit board comprises a differential transformer, a solenoid coil having a plunger inside, a reset button bias member, and a flexible switch; both sides of the base respectively comprise in parallel a pair of electric input connection screws and a pair of electric output point. The ground fault circuit interrupting system is installed within an output box on the wall of an ordinary household which prevents hazard caused to human and household electronics by errors in the installation of the connection lines.

A receptacle device for protection against arc faults and leakage currents, including an arc fault test button, a leakage test button, and a reset button. Test resistors are arranged below the arc fault test button and the leakage test button wherein the test resistors are coupled to an electrical circuit board. The electrical circuit board includes an arc sampling resistor to detect arc faults and a leakage detection differential transformer to detect leakage currents. In order to provide good contacts between mobile and stationary electrical contacts of the receptacle device, a reset button bias member having mobile contact bridges at its two arms is provided. Each of the mobile contact bridges has three triangularly spaced electrical contacts, corresponding to stationary electrical contacts of flexible input fingers, output conductors and electrical output leads of the receptacle device. In order to balance the mobile contact bridges and provide better contacts, the receptacle device of the present invention can utilize a unique system of dual directional locks, i.e., below the reset button, there are two axially symmetrical directional locks provided within a reset button bias member of the receptacle device.

The invention relates to a coil winding machine of a coreless motor, and the coil winding machine comprises a stander, and a winding mechanism, a feeding mechanism and a withdrawing mechanism, which are arranged on the stander, wherein the winding mechanism comprises a first traverse unit, a second traverse unit, a first rotary bushing, a rotary drum, a second rotary bushing, a first power device, a second power device and a winding mandrel, the first traverse unit is fixed on the first rotary bushing, and the second traverse unit is fixed on the rotary drum; and the feeding mechanism comprises a feeding needle for feeding a wire to the winding mandrel, a feeding slide block for fixing the feeding needle and a rotating device for driving the feeding slide block to move forwards and backwards, and the withdrawing mechanism comprises a withdrawing air cylinder which is used for driving the winding mandrel to move leftwards and rightwards. The winding mechanism has high control precision and is precise in winding displacement, winding displacement action is simultaneously completed in the winding process, and a coil is withdrawn after the winding is completed so as to begin a next winding action, the actions are coherent, so that the quality of the wound coil is greatly improved, and the production efficiency is improved.

A self-testing fault detector having a line side and a load side and a conductive path there between is provided. The self-testing fault detector includes an auto-monitoring circuit electrically coupled to a fault detection circuit and an interrupting device and it continuously monitors one or more signals to determine an operating state of the fault detector. At least one of the monitored signals includes a fault detection signal, wherein if said automonitoring circuit determines that the fault detection circuit is not properly driving the interrupting device, the automonitoring device converts an input-output port receiving the fault detection signal from an input to an output and drives the interrupting device into a tripped condition using the input-output port.

The invention discloses a polychrome connection silk screen printing process and equipment thereof, and relates to the technical field of sheet-fed rotary screen printing. The printing process comprises the following steps: transferring the printing ink to relief printing plates on four color mould drums by utilizing a four-color-group ink supply unit in satellite-type layout; converging the different colors onto the color gathering rubber blankets of a double-diameter impression cylinder in different zones by different color mould relief printing plates; transmitting the different colors onto a connection cylinder printing plate in a silk screen cylinder by combining a special money printing connection process through a big neutral position to form an accurate printing ink pattern; and finally rolling the printing ink pattern onto the paper sheet through the silk screen plate to form a polychrome connection pattern. The invention can realize the connection silk screen printing process of different-color counterfeiting inks, such as OVI and OVMI, and also can realize a puzzle connection silk screen printing process and a mixed-color silk screen printing process of common printing ink, OVI, OVMI and colorless fluorescent ink and the like. The printing production has high yield and accurate connection, and is convenient in operations of washing, replacing and tightening the silk screen plates.

The invention relates to a production method and a pipe-coiling device of non-ferrous metal coil pipes. The production method comprises following steps: step 1, rigid metal pipes are subjected to transverse arranging and winding; and step 2, coil pipes obtained via transverse arranging and winding are subjected to annealing processing. The pipe-coiling device comprises an un-coiling device (1), and a transverse arranging and winding device (8); and the tail end of the un-coiling device (1) is connected with the transverse arranging and winding device. The production method and the pipe-coiling device are capable of preventing or avoiding deformation and slide bumping of pipes.

The invention relates to an once printing process for single-code two-color wiring and fluorescent label comprising (1) setting the axial movement of the code printing machine of the inking unit to be 0-12mm, regulating the axial movement of the ink vibrators, (2) confirming the printing positions of the code wiring and fluroscent label, dividing the ink fountain with color separation films, slitting the lower ink vibrator, ink transfer roller, ink distributing roller, plate approaching roller, and outputting three different inks from the same ink fountain, (3) milling a groove which is 5mm below the fluorescent ring surface and in which the code machine ektexine can move up and down. The invention can shorten the process period, and decrease the production cost, and the printing articles produced thereby are anti-counterfeiting and machine readable.

The present invention discloses a phenoxycyclotriphosphazene active ester, a halogen-free resin composition and uses thereof. The phenoxycyclotriphosphazene active ester comprises at least 65 mol. % of a substance having the following structural formula. The halogen-free resin composition comprises 5-50 parts by weight of a phenoxycyclotriphosphazene active ester, 15-85 parts by weight of a thermosetting resin, 1-35 parts by weight of a curing agent, 0-5 parts by weight of a curing accelerator and 0-100 parts by weight of an inorganic filler. The present invention discloses introducing phenoxycyclotriphosphazene active ester into a thermosetting resin, reacting active esters with thermosetting resins, such as epoxy resin, without producing hydroxy groups, which not only satisfies the requirements on being halogen-free and flame retardancy, but also improves the electrical properties (decreasing and stabilizing Dk and Df) of the system, so as to make non-halogenation of high frequency and high speed substrate materials possible.

The invention relates to a voltage transformer automatic wiring device used for performing primary wiring and secondary wiring on a voltage transformer to be calibrated on a production line, and the device includes a robot located on a side face of the production line and used for performing precise recognition on the position of the voltage transformer and realizing primary wiring and secondary wiring of the voltage transformer; a clamp module mounted on the production line, connected with a test line and the voltage transformer during wiring and used for serving as an intermediate connecting device of the test line and the voltage transformer to improve wiring efficiency; and a controller connected with the robot and used for providing a wiring scheme for the robot and controlling an operation path of the robot. Compared with the prior art, the voltage transformer automatic wiring device has the advantages of accurate wiring, high degree of automation, cost saving and the like.

A radioisotope powered thermoelectric vehicle lacking an internal combustion engine. The vehicle may include a commercially available, federally-approved encased radioisotope, sensors, an encased metal heat conductor, a heating element embedded within a heat sink, a plurality of thermoelectric chips mounted around the outer surface of the heat sink, a hollow body surrounding the heat sink with a space present between the heat sink and the hollow body, a power converter, an electric power regulation and distribution system, a magnetic reed relay unit, operational and directional controls, radioisotope thermoelectric power generator, and at least one DC motor mounted to a wheel of the vehicle. A portable lead-lined metal, climate-controlled, and airtight lockbox may house the entire power generating unit providing for more than redundant systems protection. The vehicle is capable of running indefinitely under all weather conditions, without “refueling” for decades and without introducing toxic emissions into the environment.

The invention discloses an automatic terminal riveting machine capable of carrying out sleeve processing on a terminal. The machine specifically comprises a base, a rotating disc, a functional clamp,a grabbing mechanism and a wiring terminal, a conveyor belt is mounted at one end of one side of the top of the base, and a heat shrink tube feeding mechanism is fixed at the other end of one side, close to the conveyor belt, of the top of the base; a rotating groove is formed in the middle of the top end of the interior of the base, the rotating disc is arranged in the rotating groove, limiting bases are evenly arranged at the edge of the top of the rotating disc, and hydraulic ejector rods are arranged in the portions, below the limiting bases, of the rotating disc. According to the automatic terminal riveting machine capable of carrying out sleeve processing on the terminal, by arranging the heat shrink tube feeding mechanism and the heat shrink tube limiting base, intelligent mechanical operation is achieved, manual tube penetrating or handheld hot air gun working is not needed, the machining efficiency is higher, the potential safety hazard that the hands of staff are scalded is avoided, and the use safety is higher.

The invention provides a method for judging the wiring correctness of an electric energy meter under the condition of no load, which belongs to the technical field of on-site inspection and acceptanceof electric energy metering devices. The method comprises the following steps: S1, switching on a reactive power compensation capacitor bank, and measuring the secondary current of an electric energymeter, wherein the magnitude of current should conform to the requirements of the regulation; S2, recording the voltages of the phases A, B and C as Ua, Ub and Uc respectively, recording the line voltage combinations under the condition of wiring along the phase sequence as Uab and Ucb, recording a first phase current as Ia, and recording a second phase current as Ic; S3, using a volt-ampere phase meter to measure the voltage and the current of the wiring of the electric energy meter and the phase between the voltage and the current in turn, and recording corresponding data; and S4, determining whether the wiring of the electric energy meter is correct according to the recorded data. The problem that the wiring of an electric energy meter cannot be measured under the condition of no loadcan be solved. The work efficiency of on-site acceptance can be improved.

In a piece of equipment deriving power from a three-phase power supply, a method and a connector provide a country-independent arrangement of connection pins to interface with the equipment, so as to provide one or more single-phase output voltages at designated pins. The connector includes a number of electrical terminals wired to the connection pins according to a country-dependent arrangement. In one embodiment, the connector includes one or more jumpers each configured to provide a short circuit between a designated pair of connection pins according to the country-dependent arrangement scheme. The country-independent arrangement provides a single-phase output voltage between 200-240 volts (RMS) across a designated pair of connection pins. In one application, a connector configured for the United States is used in conjunction with a 4-conductor cable having a U.S. conforming connector for plugging into a U.S. three-phase specification wall socket (e.g., NEMA). Similarly, a connector configured for Europe is used in conjunction with a 5-conductor cable having a conforming connector for plugging into a three-phase specification wall socket of the host European country (e.g., IEC 309).

The invention relates to the technical field of detecting devices, in particular to an Air-jet electric cabinet detecting device. The Air-jet electric cabinet detecting device comprises a wiring strip and a probe, fourth wiring terminals on the wiring strip are connected in a short-circuited mode, a first indicator lamp, a second indicator lamp, a third indicator lamp, a fourth indicator lamp, a fifth indicator lamp, a sixth indicator lamp, a seventh indicator lamp and an eighth indicator lamp are connected between a fifth wiring terminal, a sixth wiring terminal, a seventh wiring terminal, an eighth wiring terminal, a ninth wiring terminal, a tenth wiring terminal, an eleventh wiring terminal, a twelfth wiring terminal and the corresponding fourth wiring terminals respectively, a series circuit of a ninth indicator lamp and a starting switch is arranged between a thirteenth wiring terminal and a fourteenth wiring terminal, and a cable is connected with the lower end of the wiring strip. The detecting device can fast detect whether wiring between creel left four circuits and creel right four circuits of an Air-jet electric cabinet is correct or not, an original point-to-point check mode is replaced, time is saved, and efficiency is improved greatly.

The invention discloses a test system, a test cabinet and a test method for a generator set control box. The test system comprises an instruction receiving device for receiving a parameter adjustment instruction; a control device which is used for generating a generator simulation instruction and an engine simulation instruction according to the parameter adjustment instruction; a first signal generating device which is used for simulating generator parameters according to the generator simulation instruction and outputting the generator parameters to the generator set control box; and a second signal generation device which simulates engine parameters according to the engine simulation instruction and outputs the engine parameters to the generator set control box. By using the test system provided by the invention, the test environment required by the generator set control box is directly simulated without waiting for the access of an actual generator set, and the test conditions of the generator set control box are no longer harsh, so that the correct wiring of the generator set control box before the generator set is installed is ensured, and the safety of the generator set control box during testing is improved.

The invention discloses a novel winding machine. The novel winding machine comprises a rack, an electric box, an unwinding pitch adjusting mechanism located over the rack, a wheel hub driving mechanism located under the rack and a car wheel hub located in front of the rack; the unwinding pitch adjusting mechanism comprises a servo motor, a lead screw and a guiding wheel group, the lead screw is connected with the servo motor, the guiding wheel group is connected with a nut arranged on the lead screw, and the servo motor drives the lead screw to drive the guiding wheel group to move; and the wheel hub driving mechanism comprises a torque motor, a transmission shaft, a synchronous wheel and a frictional depended wheel, the synchronous wheel is coaxially connected with the frictional dependedwheel, the torque motor drives the synchronous wheel through the transmission shaft to drive the frictional depended wheel, the frictional depended wheel is in contact connection with the side end outer edges of the two sides of the car wheel hub, and the frictional depended wheel rotates to drive the car wheel hub to rotate. According to the novel winding machine, the unwinding pitch is convenient to adjust, the constant winding force can be supplied, and precise unwinding can be achieved.

The invention relates to the field of wire drawing and winding displacement processes of metal products, and discloses a winding displacement compensation process method. Through error detection, overshoot treatment, reversing treatment, R angle compensation, pre-judgment compensation and dislocation compensation,winding displacement is stable and reliable, the quality is improved, the phenomena of wire releasing abnormity, wire releasing pressing and wire releasing clamping at a client are greatly reduced, in this way, the situation that products need to be rewound again is reduced, production efficiency is improved, consumption of manpower, material resources and energy is reduced, only one-time winding displacement is needed in the production process, and the working procedure is simplified.