35 results about "Current divider" patented technology

The invention relates to a current switching-on and switching-off converter which comprises a shell barrel, a plurality of limiting rings and a plurality of wires, a shell cavity is formed in the shell barrel, the limiting rings are contained in the shell cavity, limiting holes and conductive springs are arranged in the limiting rings, the limiting holes are communicated with guide holes, the conductive springs surround the limiting holes, one ends of the wires are electrically connected with the conductive springs, and the other ends of the wires are electrically connected with the conductive springs. And the other end of the lead extends out of the shell cylinder. By adopting the technical scheme provided by the invention, when the number of branch currents is more, the wires are not limited to be arranged in the same plane any more, the reduction of the appearance size of the electric connector is facilitated, and the electric connector can be assembled and applied in a narrow space range; when the electric connector provided by the invention is plugged with other electric connectors, the rigid surfaces of the conductive parts are in contact with the flexible surfaces of the conductive springs, so that good electrical contact between the electric connectors can be ensured, and the reliability of electrical connection is ensured.

The invention relates to the field of soil desalination, and particularly discloses a power-on method and a power-on device for soil desalination, the device comprises a power supply, a plurality of current distributors and a plurality of electrode groups, and the method comprises the following steps: preparing the device; single-wheel electrifying: adjusting the distance between the electrified positive and negative electrodes according to the magnitude of each group of detection current; and the interval between the initial energization positive electrode and the initial energization negative electrode of the later-round energization is smaller than the interval between the initial energization positive electrode and the initial energization negative electrode of the previous-round energization. According to the change of the current along with time in the electric desalting process, the current is adjusted by adjusting the distance between the electrodes, so that the electric desalting process is always carried out under a proper current condition, the desalting efficiency is improved, the desalting time is shortened, the electric energy waste is reduced, and the energy consumption is reduced; compared with a mode of adjusting the voltage by adopting a variable-voltage power supply, the power-on method provided by the invention adopts a constant-voltage direct-current power supply, does not need to use a power supply with continuously adjustable voltage, and is beneficial to reducing the cost of the power supply.

The invention relates to the technical field of soil electro-osmosis dehydration, and particularly discloses a series-parallel power supply-containing electrifying device and method for soil electro-osmosis dehydration, the device comprises a power supply, a plurality of current distributors and a plurality of electrode groups, and the power supply comprises a plurality of power supply modules with adjustable series-parallel states; the method comprises the steps of device preparation; single-round electrifying: applying initial voltage to each electrode group through a current distributor, detecting the current of each group, and controlling the on-off of the current of the group or adjusting the voltage of the group through the current distributor according to the detected current of each group; and step-by-step boosting and multi-turn electrifying are performed. The on-off of the current is controlled and the voltage is adjusted according to the change of the current along with time in the electroosmosis process, so that the electroosmosis is always carried out under a proper voltage condition, the electroosmosis efficiency is improved, and the waste of electric energy is reduced; by adjusting the series-parallel connection state of the plurality of power supply modules, different current and voltage requirements can be met in different stages of electrification, and the design power of the power supply can be reduced.

The invention discloses an MMC rectifier and a control method and system thereof. The MMC rectifier comprises a voltage outer loop, a current distributor, a current inner loop, a reverse Park conversion module and a PWM control module. The voltage outer ring is provided with a PI controller, the output end of the PI controller is connected with the input end of a current distributor, the current inner ring is provided with a passive controller, the output end of the current distributor is connected with the input end of the passive controller, and the output end of the passive controller is connected with the input end of a reverse Park conversion module. And the output end of the reverse Park conversion module is connected with the input end of the PWM control module.

The utility model discloses a structure for enhancing large current contact reliability, which relates to the technical field of electric energy metering and comprises a bottom plate, the bottom plate is provided with a current wire inlet and a current wire outlet, the current wire inlet and the current wire outlet are provided with copper bars, the copper bar of the current wire inlet is connected with a current inlet wire, and the copper bar of the current wire outlet is connected with a current outlet wire. The copper bar of the current wire outlet is connected with a current outlet wire, the bottom plate is provided with a movable plate, the positions, corresponding to the current wire inlet and the current wire outlet, of the movable plate are respectively provided with an opening, the movable plate is fixedly provided with a shunt, the two ends of the shunt are respectively connected with the two openings, and the two ends of the shunt are respectively connected with the two openings. One side of the movable plate is attached to the connecting rod mechanism; through the cooperation of the movable plate and the connecting rod mechanism, the current divider and the copper bar can be tightly attached, so that the meter pen connecting lines are tightly attached, and the heating condition is avoided.

The signal transmission system comprises a transmitter circuit, a receiver circuit and a signal cable. A current divider is formed by a terminating resistor between the signal conductors of the signal cable. The transmitter circuit drives a loop current. When the receiver circuit input voltage has a voltage level above a first switching voltage threshold value, the output voltage assumes a first voltage level. The output voltage maintains the first voltage level when the input voltage is below the first switching voltage threshold value but above a second switching voltage threshold value. The transmitter circuit is configured to modulate the loop current with at least two different non-zero magnitudes at successive times. The first magnitude is greater than a first switching current threshold value and the second magnitude is less than the first switching current threshold value and greater than a second switching current threshold value.

The invention relates to the technical field of soil electroosmosis dehydration, and particularly discloses an electrifying method and electrifying device for large-scale soil electroosmosis dehydration, the electrifying device comprises a power supply, a plurality of current distributors and a plurality of electrode groups, and the method comprises the following steps: preparing the device; single-round electrifying: applying initial voltage to each electrode group through a current distributor, detecting the current of each group, and controlling the on-off of the current of the group or adjusting the voltage of the group through the current distributor according to the detected current of each group; and step-by-step boosting and multi-turn electrifying are performed. The on-off of the current is controlled and the voltage is adjusted according to the change of the current along with time in the electroosmosis process, so that the electroosmosis is always carried out under a proper voltage condition, the electroosmosis efficiency is improved, the electric energy waste is reduced, and the energy consumption is reduced; a to-be-treated site is divided into a plurality of areas to be controlled respectively, so that the regional difference caused by non-uniform properties of a soil body can be overcome, and each area can be ensured to be subjected to electroosmosis under a proper voltage condition.

The invention relates to a DC charging distribution unit (UU1). Comprising a first primary side terminal (UU1F1) for receiving a first input current from a power unit (PU, PU1, PU2), a secondary side DC vehicle connection terminal (UU1S2) connectable to the vehicle to provide a vehicle charging current (id1), a first secondary side power sharing terminal (UU1S3) connectable to another DC charging distribution unit to provide a sharing current to the other DC charging distribution unit, and a current distributor (S1; S2) operable to select between a vehicle charging configuration and a power sharing configuration; a vehicle charging configuration (S1-1, S1-2, S1-3) in which the first input current is used to feed a vehicle charging current to the secondary DC vehicle connection terminal (UU1S2); in the power sharing configuration, the first input current is used to feed a sharing current to the first secondary power sharing terminal.

The utility model discloses a diverter, new energy automobile and energy storage equipment relates to diverter technical field, the diverter includes current sensing piece, current sensing piece is provided with first conductive piece and second conductive piece opposite to each other, the first conductive piece is provided with first mounting hole, the second conductive piece is provided with second mounting hole, the first mounting hole is provided with first mounting hole, the second mounting hole is provided with second mounting hole, and the second mounting hole is provided with second mounting hole. The first mounting hole and the second mounting hole are symmetrically arranged by taking the current sensing piece as the axis; the first magnetic resistance detection assembly is at least partially arranged in the first mounting hole; the first magnetic resistance detection assembly is used for detecting a magnetic field generated by current flowing through the first conductive part; the second magnetic resistance detection assembly is at least partially arranged in the second mounting hole; the second magnetic resistance detection assembly is used for detecting a magnetic field generated by current flowing through the second conductive part; the utility model aims to solve the technical problem that a thermoelectric force phenomenon occurs when a current divider detects current.

A plasma generation circuit includes a high frequency power source configured to generate a first high frequency current; a current divider comprising a first capacitor and a variable capacitor and configured to divide the first high frequency current into a second high frequency current and a third high frequency current; an antenna assembly comprising a center antenna connected to the current divider and through which the second high frequency current is configured to flow, and an edge antenna connected in to the current divider and through which the third high frequency current is configured to flow, the antenna assembly being configured to induce generation of an inductively coupled plasma; a first coil coupled inductor configured to allow the second high frequency current to flow therethrough; and a second coil coupled inductor configured to allow the third high frequency current to flow therethrough and adjacent to the first coil coupled inductor.

The utility model provides a current divider, a battery pack and a vehicle. The current divider comprises a conducting bar, a main control board and a connector, the conducting bar comprises a first surface and a second surface, and the first surface and the second surface are oppositely arranged along the thickness direction of the conducting bar; wherein a welding area is arranged on the first surface; the main control board is connected to the second surface. The connector is connected to the side, away from the conducting bar, of the main control board. According to the shunt, the welding area on the first surface is welded with the external connecting terminal, so that current transmission between the shunt and the external connecting terminal is realized, the influence caused by assembly tolerance and manufacturing tolerance can be effectively avoided, the contact internal resistance of a connecting part is reduced, and the service life of the shunt is prolonged. Meanwhile, connection between the shunt and the BMS board card is changed into direct connection through the connector, so that the connection process between the shunt and the BMS board card is simplified, the risk of electromagnetic interference is reduced, and the integration rate of components in the battery pack is improved.

The utility model discloses a diverter, a new energy automobile and an energy storage device, and relates to the technical field of diverters, the diverter comprises a diverter body, and the diverter body is provided with an accommodating hole; the magnetic resistance detection assembly is at least partially arranged in the accommodating hole; the magnetic resistance detection assembly is used for detecting a magnetic field generated by current flowing through the shunt body and outputting a corresponding magnetic detection signal; the temperature control assembly is used for detecting the temperature of the periphery of the accommodating hole and adjusting the temperature of the shunt body to be consistent according to the temperature of the periphery of the accommodating hole; the utility model aims to solve the technical problem that a thermoelectric force phenomenon occurs when a current divider detects current.

Current divider (31) comprising: - plated holes (105, 106) forming a first branch (32) of the current divider and a second branch (33) of the current divider through which the target current flows; - the first branch comprising first plated holes (105a) extending between a first surface (107) of a first conductive layer and a first surface (109) of a second conductive layer, and second plated holes (105b) extending between a second surface (108) of the first conductive layer and the first surface of the second conductive layer, the plated holes (105) of the first branch comprising pairs of adjacent plated holes, each comprising a first plated hole (105a) and a second plated hole (105b). FIGURE IN ABRIDGED DIAGRAM: Fig. 9

The application relates to the technical field of soil electro-osmotic dewatering, and particularly discloses a soil electro-osmotic dewatering power supply device and method comprising series-parallel power supplies, the device comprising a power supply, a plurality of current distributors and a plurality of electrode groups, wherein the power supply comprises a plurality of power supply modules with adjustable series-parallel states; the method comprises the following steps: device preparation; single-round power supply: starting voltage is applied to each electrode group through the current distributors, and the current of each group is detected; according to the size of the detected current of each group, the current of the group is controlled to be turned on or turned off or the size of the voltage of the group is adjusted through the current distributors; step-by-step voltage boosting and multi-round power supply. According to the application, the on-off of the current and the voltage adjustment are controlled according to the change of the current with time in the electro-osmosis process, the electro-osmosis is kept to be carried out under suitable voltage conditions, the electro-osmosis efficiency is improved, and the waste of electric energy is reduced; by adjusting the series-parallel states of the plurality of power supply modules, different current and voltage requirements in different power supply stages are met, and the design power of the power supply is reduced.

The signal transmission system comprises a transmitter circuit, a receiver circuit and a signal cable. A current divider is formed by a terminating resistor between the signal conductors of the signal cable. The transmitter circuit drives a loop current. When the receiver circuit input voltage has a voltage level above a first switching voltage threshold value, the output voltage assumes a first voltage level. The output voltage maintains the first voltage level when the input voltage is below the first switching voltage threshold value but above a second switching voltage threshold value. The transmitter circuit is configured to modulate the loop current with at least two different non-zero magnitudes at successive times. The first magnitude is greater than a first switching current threshold value and the second magnitude is less than the first switching current threshold value and greater than a second switching current threshold value.

The present invention discloses a dual three-phase motor control system and method for single-phase open circuit fault, the control system includes a speed control module, a current distributor, a torque space current control module, an anti-interference module, a first voltage rotation conversion module, a harmonic space current reference value generation module, a harmonic space current control module, a second voltage rotation conversion module, a voltage conversion module, a current conversion module, a first current rotation conversion module, a second current rotation conversion module, a first pulse width modulation module, a second pulse width modulation module, a first three-phase inverter, a second three-phase inverter, an encoder, a speed calculator, and a dual three-phase motor. The control system and the working method of the present invention are suitable for healthy working conditions and fault working conditions, can automatically switch between the two seamlessly without the need for diagnostic operations such as fault identification and positioning, and can achieve different optimization goals after the dual three-phase motor system fails by adjusting the current amplitude ratio and phase offset of the two sets of three-phase windings.

The invention provides a current divider of a circuit breaker and the circuit breaker, and the current divider of the circuit breaker comprises a binding post which is provided with a wire plugging end and is provided with a slide way; the expansion conductive part comprises a wiring end and a connector fixedly connected with the wiring end, and the connector is inserted into the slide way to be electrically connected with the binding post; wherein the wire plugging end and the wiring end can be plugged and matched. According to the technical scheme of the invention, the problem that the main switch of the power distribution cabinet needs to be switched off and powered off when the ammeter is installed in the prior art is effectively solved.

This invention provides a current divider circuit, comprising: a multiplier for multiplying an input current analog signal and a reference current analog signal; an operational amplifier for filtering and amplifying the output signal of the multiplier; an output frequency regulator for adjusting the frequency of the output signal of the operational amplifier; a latch comparator for converting the frequency signal output by the output frequency regulator into a square wave signal related to the input current analog signal; and an output conversion circuit for converting the square wave signal output by the latch comparator to obtain the division result of the input current analog signal and the reference current analog signal. This invention can realize the division of two analog input current signals. This structure effectively eliminates the influence of process deviations and input errors caused by traditional circuit structures on the signal conditioning system, improves the conversion accuracy of the signal conditioning system, and has the advantages of simple design, flexibility, and ease of implementation.

A microgrid connector controller (MGC) for transferring power between a power grid and a microgrid via an AC link. The MCG includes a pair of bidirectional AC / DC converters coupled to a common DC link and each having an AC line. One converter closer to the microgrid is configured to regulate frequency of AC voltage of its AC line to a predetermined frequency. The AC link includes the AC lines coupled in series with a terminal the microgrid, and a current divider coupled to a terminal of the power grid. The current divider is configured to set the first converter's current level lower than the second converter's current level.

A DC charging distribution unit includes a first primary-side terminal for receiving a first input current from a power unit, a secondary-side DC vehicle connection terminal connectible to a vehicle for providing a vehicle charging current, a first secondary-side power sharing terminal connectible to another DC charging distribution unit for providing a sharing current to the other DC charging distribution unit, and a current distributor operably selected between a vehicle-charging configuration and a power-sharing configuration.A DC charging system includes at least one power unit including at least one power terminal and at least a first and second distribution unit. The distribution units are each spaced apart from the power unit by at least a first distance. The neighboring distribution units are spaced from each other by a second distance and are connected to one another at their secondary-side power sharing terminals and are electrically connected, to the power unit.

The utility model provides a shunt collection box structure and a battery pack. The shunt collection box structure comprises a lower shell, a shunt main body arranged in the lower shell, and an upper cover arranged on the lower shell. Wherein the side wall of the lower shell and / or the side wall of the upper cover are / is provided with a plurality of avoiding openings with different opening directions, each avoiding opening is used for allowing a copper bar connected with the shunt main body to pass through, the lower shell and / or the upper cover are / is provided with a baffle plate for shielding the avoiding opening, each baffle plate is rotationally arranged on the lower shell or the upper cover, or each baffle plate is rotationally arranged on the lower shell or the upper cover. And each baffle is connected with the shell and / or the upper cover through a breakable connecting unit. The current divider collection box structure can solve the problems that wiring harnesses connected with the copper bars are arranged disorderly, and external impurities enter the shell to cause short circuit, thereby being beneficial to improving the safety of a battery pack.

The invention discloses a low-voltage treatment method and device based on zero line current blocking, and relates to the field of three-phase load imbalance treatment of a power distribution network, and the method comprises the steps: obtaining a load-side zero line current, and generating a compensation current signal proportional to the load-side zero line current through hysteresis current tracking closed-loop control; the signal is filtered by an LC and amplified by a step-down transformer to obtain an injection current which is equal to the zero line current in amplitude and phase; the injection current is distributed to a three-phase line through the zero-sequence current distributor, so that load zero line current does not flow through a power supply zero line, zero line current blocking is achieved, the zero-sequence current distributor adopts a zigzag transformer structure, and it is guaranteed that zero-sequence current is evenly injected into three phases. According to the invention, zero line loss can be effectively eliminated, heavy-load phase current and loss can be reduced, line end voltage can be increased, three-phase voltage imbalance can be improved, and the device has the characteristics of fast response, simple structure and convenient installation.

The invention relates to a method for refurbishing an electrolysis cell for alkaline water electrolysis or chloralkali electrolysis, wherein at the start of the method the electrolysis cell is in a closed starting state with an elastic current distributor being in a compressed state, holding a cathode in planar contact with one side of a sheet-like separator, wherein a second, opposite second side of the sheet-like separator is supported by a rigid anode, and wherein the method comprises the steps of opening the electrolysis cell, while releasing the compression of the elastic current distributor, interposing a first flexible anode between the rigid anode and the separator, and closing the electrolysis cell, while compressing the elastic current distributor. The invention further relates to an electrolysis cell obtainable by the above method.

The invention relates to a current distributor unit (1) for a commercial vehicle, the commercial vehicle having at least one auxiliary drive with an electric motor (3), the current distributor unit having: a first input terminal (E1) for connection to an energy storage (2) of the commercial vehicle and providing a DC voltage; a second input terminal (E2) for connection to an external current source; a first output terminal (A1) for connection to the auxiliary drive; a second output terminal (A2) for connection to an external current collector; and a third output terminal (A3) for connection to a low-voltage vehicle electrical network; a high-voltage distributor (6) which is connected to the first input terminal (E1) and forms the connection between the energy storage (2) and the other components of the current distributor unit (1); a control unit (5) which at least monitors the high-voltage distributor (6) and can control the components of the current distributor unit (1); at least one inverter (I1; I1.1; I2) which is arranged in a current path between the high-voltage distributor (6) and at least one of the terminals for the first output terminal (A1), the second output terminal (A2) or the second input terminal (E2), a first converter (K1) which is arranged between the high-voltage distributor (6) and the third output terminal (A3) and converts the DC voltage provided by the high-voltage distributor (6) into a lower DC voltage. A further aspect of the invention is a vehicle having such a current distributor unit.

The invention relates to a current divider (31) comprising: - metallised holes (105, 106) forming a first branch (32) of the current divider and a second branch (33) of the current divider through which the target current flows; - wherein the first branch comprises first metallised holes (105a) extending between a first surface (107) of a first conductive layer and a first surface (109) of a second conductive layer, and second metallised holes (105b) extending between a second surface (108) of the first conductive layer and the first surface of the second conductive layer, wherein the metallised holes (105) of the first branch comprise pairs of adjacent metallised holes, and wherein each pair comprises a first metallised hole (105a) and a second metallised hole (105b).

A semiconductor device includes: a first input terminal configured to be connected to an external voltage; a second input terminal configured to be connected to the external voltage via an external discrete element; a first output terminal configured to be connected to an input node of a first external light emitting element; a second output terminal configured to be connected to an input node of a second external light emitting element; a current driver configured to provide a current to the first output terminal and the second output terminal, and a current distributor configured to control a ratio between a first current flowing from the first input terminal to the current driver and a second current flowing from the second input terminal to the current driver.

An intelligent contactor is provided which comprises a contactor body, and the contactor body is provided with a first conductive piece and a second conductive piece partially protruding out of the contactor body. A current splitter for measuring a current flowing through the first conductive piece and the second conductive piece is arranged inside the contactor body; an electromagnetic system for controlling one end of the current splitter and a circuit board for controlling the electromagnetic system. The other end of the current splitter is electrically connected to the second conductive piece. A partition plate is vertically and fixedly connected inside the contactor body, and the partition plate is used to partition the interior of the contactor body into a first accommodation chamber and a second accommodating chamber to address the problem of inability of a contactor in the prior arts to perform power cutoff for an over-current case.

Amplifiers incorporating correction or compensation control circuits are described. An example compensated amplifier circuit includes an amplifier circuit and a variable impedance compensation circuit. The variable impedance compensation circuit includes a variable current source, a current divider network, and a variable impedance transistor in one example. The variable impedance transistor includes a field effect transistor in one example, with drain and source terminals coupled between two nodes in the amplifier. The current divider network includes resistors coupled in parallel between an output of the variable current source and terminals of the variable impedance transistor. The compensation circuit can achieve a reduced standard deviation of gain among different amplifiers, even with process-induced, voltage, and temperature variability.

The application relates to the technical field of soil electro-osmotic dewatering, and particularly discloses a power-on method and a power-on device for large-scale soil electro-osmotic dewatering, the device comprising a power supply, a plurality of current distributors and a plurality of electrode groups, and the method comprising the following steps: device preparation; single-round power-on: starting voltage is applied to each electrode group through the current distributor, and the current of each group is detected; according to the size of the detected current of each group, the current of the group is controlled to be turned on or turned off or the size of the voltage of the group is adjusted through the current distributor; step-by-step voltage increase and multi-round power-on. According to the application, the on-off of the current and the voltage adjustment are controlled according to the change of the current with time in the electro-osmosis process, the electro-osmosis is kept to be carried out under suitable voltage conditions, the electro-osmosis efficiency is improved, the waste of electric energy is reduced, the energy consumption is lowered, the to-be-processed site is divided into a plurality of regions for separate control, the regional difference caused by the non-uniformity of the soil body is overcome, and the electro-osmosis of each region can be carried out under suitable voltage conditions.

An electrosurgical generator for generating a high-frequency AC voltage for an electrosurgical instrument, having a high-voltage inverter that generates and outputs a high-frequency AC voltage. A filter having a parallel capacitor is on an output line. A measuring sensor circuit having a current divider, which has a capacitive coupling to a series-connected shunt as bypass with respect to the parallel capacitor, and having a voltage detection circuit connected to the shunt. The shunt has a considerably lower impedance than the capacitive coupling. This gives rise to a proportional ratio between the current flowing through the parallel capacitor on the output line of the electrosurgical generator and the current through the shunt. This current is converted into a voltage, which is detected. The current at the output of the inverter is determined quickly and accurately thanks to the proportional relationship. This may be used for feedback and improved monitoring and regulation.