274 results about "Power control system" patented technology

The invention provides an under-water discharge machining system and method for a radiation environment. The under-water discharge machining system comprises a pulse power supply control system, an electric spark machining head device and a servo control system. The pulse power supply control system comprises a power supply control box, a rectifier and a power amplifier which are electrically connected in sequence. And the power amplifier is electrically connected with the servo control system and the electric spark machining head device. The electric spark machining head device is provided with a feedback signal wiring connected to the servo control system. The pulse power supply control system is matched with the servo control system to drive the electric discharge machining head device to guarantee the process of the workpiece to be machined, so that the problem that conventional electric discharge machining equipment cannot be used in the high-radiation and boron-containing water environment is solved.

The invention discloses a multi-physical field test device based on simulation of thunder and dust coupling, belongs to the technical field of climate simulation tests, and provides the following scheme that the multi-physical field test device comprises a test bin, and an upper sealing assembly is arranged above the test bin; the upper sealing assembly is lifted upwards, so that the sealing cloth is pulled open in advance to keep the test bin sealed, the lower sealing assembly is driven by the sliding rod to move upwards, the rotary clamping assembly drives the test piece to be separated from the sealing ring upwards, meanwhile, the protective cover makes contact with the sealing ring, and at the moment, the load bearing plate is lifted upwards by a certain height for material taking operation; in this way, the sealing effect of the test bin can be achieved, sand and dust are effectively prevented from overflowing from the cavity in the sample taking-out process, waste of sand and dust resources is reduced, pollution of the sand and dust to the external test environment is avoided, the environment maintenance cost in the test process is reduced, the sample taking and placing process is controlled through a pure mechanical structure, and the test efficiency is improved. And the damage of strong electromagnetic interference generated during lightning simulation to the power control system is avoided.

An apparatus of a vehicle may comprise a first DC-DC converter configured to convert an input voltage into a first voltage, a first power distributor configured to supply the first voltage to at least one first electrical load, a second DC-DC converter configured to convert the input voltage into a second voltage, a second power distributor configured to supply the second voltage to at least one second electrical load, and a bidirectional converter configured to convert power between power associated with the first low-voltage and power associated with the second low-voltage based on a power conversion request signal generated by one power distributor and provide the converted power to the other power distributor. Each power distributor is configured to determine a spare current amount and transmit the power conversion request signal based on a failure in the other DC-DC converter.

The invention provides a vehicle-mounted steel bar flexible machining device and method. The device comprises a flat truck; the raw material bin module is used for placing steel bars of different specifications; the movable saw cutting unit is used for cutting the reinforcing steel bars into preset lengths; the excess stock bin is used for collecting reinforcing steel bar waste; the lifting transfer truss is used for transferring the reinforcing steel bars in the picking truss to the movable saw cutting unit or transferring reinforcing steel bar waste cut by the movable saw cutting unit to the excess stock bin; the rib stripping and thread rolling module is used for grinding the end surfaces of the reinforcing steel bars; the bending module is used for bending the reinforcing steel bars; the power control system is used for generating a steel bar production material list and controlling the raw material bin module, the movable saw cutting unit, the lifting transfer truss, the rib stripping and thread rolling module and the bending module to complete steel bar machining according to the steel bar production material list. Nomadic production can be achieved, the steel bar transportation time is shortened, steel bar orders are received on the construction site, sporadic material orders are generated, the suit cutting scheme is optimized, the loss rate is reduced, and the steel bar production scheduling time is shortened.

The application relates to the field of power supply control, and provides a power supply control system, a power supply control method, a working machine and electronic equipment.The device comprises a first switch device, a second switch device and a control device; the first switch device is connected with the second switch device, the control device and a power supply device of the working machine; the control device is connected with the power supply device through the second switch device; the first switch device is used for outputting a power-off signal to the control device when being disconnected, and simultaneously controlling the power supply device to stop supplying power to the second switch device; the second switch device is used for controlling the first line between the power supply device and the control device to be disconnected in a time-delay manner when being powered off; and the control device is used for receiving the electric signal output by the first switch device in real time when the first line is turned on, and generating a power-off instruction based on the power-off signal and sending the power-off instruction to high-voltage electric equipment of the working machine if the electric signal is the power-off signal. The application can effectively avoid the damage of forced high voltage to the high-voltage relay and the high-voltage electric equipment.

The invention provides a flyback power supply control system and method based on multi-mode control, and relates to the technical field of switching power supplies, and the system comprises a load voltage collection module which is used for collecting a load voltage signal connected with the system; the voltage conversion module is used for performing level shift and amplification circuit processing on the load voltage signal to obtain a load feedback voltage signal; the frequency oscillation control module is used for outputting a corresponding frequency control signal according to the load feedback voltage signal through a self-adaptive frequency control circuit; and the power supply control module is used for controlling the flyback switching power supply to execute a corresponding working mode according to the frequency control signal. According to the technical scheme, multi-mode control over the flyback switching power supply is achieved, meanwhile, the working efficiency of the flyback switching power supply is improved, power consumption is effectively reduced, devices are protected, and the service life of the flyback switching power supply is prolonged.

The invention provides a power control method and a power control system based on phase dislocation control. The power control method comprises the following steps: acquiring a real-time heating state and an expected heating state of a household appliance; if the real-time heating state does not reach the expected heating state, determining the heating power required by the household appliance; if the heating power required by the household appliance is greater than the single-path rated power of the household appliance, the household appliance enters a high-power heating mode; the high-power heating mode is a heating mode in which at least two paths of heating loads of the heating electric appliance are started in a peak shifting manner for heating. In the embodiment of the invention, the heating power of the household electrical appliance can be improved by arranging at least two heating loads in the household electrical appliance, and the at least two heating loads in the heating electrical appliance can be turned on in a peak shifting manner in a high-power heating mode to prevent surge current superposition generated in the starting process of the heating loads. And the internal circuit of the household circuit is protected, and the UL authentication requirement is also met.

The present invention provides an elevator energy-saving apparatus, connected in parallel to an elevator variable-frequency drive bus, and comprising: a battery pack, a battery management system (BMS), a power control system, a DC-DC direct current power supply, and a PLC controller, wherein the DC-DC direct current power supply is connected to the BMS and is connected in parallel to the elevator variable-frequency drive bus; the PLC controller is connected to the DC-DC direct current power supply; under the action of the PLC controller, the DC-DC direct current power supply changes a voltage inputted from the battery pack to a second preset voltage, so as to control the voltage of a high-voltage end to be at the second preset voltage; and under the action of a high and low voltage difference, when an elevator generates electricity, the voltage on the elevator variable-frequency drive bus does not rise to a first preset voltage, and a current automatically flows to the elevator energy-saving apparatus. The present invention has the characteristics of energy saving and high efficiency, reducing operating costs, stable operation, reducing the pressure of a power grid, and prolonging the service life of a device.

This invention provides a power control system for a grass collection system, comprising: a data acquisition module for acquiring state performance-related characteristic data of the power supply within the power control system; a power state performance evaluation module for generating power state performance indicators based on preprocessed relevant characteristic data; a usage load evaluation module for acquiring operating data of the power system during use and generating power usage load indicators based on preprocessed operating data; and a risk level evaluation module for generating a power risk level based on the power state performance indicators and usage load indicators. This invention, by generating power risk levels from power state performance indicators and usage load indicators, can identify high-risk power supplies in advance, provide early warnings of potential faults, and, based on quantitative analysis, offer users personalized maintenance guidance and operation optimization suggestions, thereby significantly improving equipment reliability, extending power supply lifespan, and reducing sudden safety risks.

The utility model provides a kind of double-source multi-mode direct drive power control system and pressure control drilling system, it is related to petroleum drilling technical field, direct drive power control system includes: battery management control system, ac servo driver, control signal power supply and DC power battery package;When direct drive power control system is in ac parallel control mode: battery management control system, ac servo driver are sequentially connected;Battery management control system, ac servo driver are also connected with control signal power supply and DC power battery package respectively;When direct drive power control system is in series charging control mode: battery management control system, control signal power supply, ac servo driver are sequentially connected;Battery management control system is also connected with DC power battery package;DC power battery package is also connected with ac servo driver.The utility model is strong in adaptability, can maintain working stability according to the different electric power supply situation of field.

Disclosed herein is a power control system of a processing plant, the power control system comprising: a control system configured to determine power characterisation data of the power supply to one or more loads in the processing plant; a power factor correction system configured to apply a power factor correction to the power supply; a vibration sensor system configured to generate vibration data of one or more locations in the processing plant and to transmit the vibration data to the control system; and a flowrate sensor system configured to generate flowrate data of fluid in one or more conduits in the processing plant and transmit the flowrate data to the control system; wherein the power factor correction applied to the power supply by the power factor correction system is generated in dependence on the determined power characterisation data and at least one of the vibration data and flowrate data.

The utility model relates to a redundancy control electric propulsion system, which is characterized in that an emergency propulsion control module is additionally arranged on the basis of an original conventional propulsion control module, so that redundancy of a power control system is realized, and the problem that under the existing mode, a single system of the propulsion system is non-independent, so that the propulsion system is not independent when an emergency situation occurs on a ship is solved. The system solves the problem that the prior art cannot well achieve the operation function under the emergency condition, and achieves the effect that the system can still carry out the emergency operation under the condition that a communication or control module breaks down through the control thought that a program communication control scheme and a hard wire switching value and analog quantity control scheme are combined.

The invention discloses a passive bipolar movable mask electrochemical machining device and method for a workpiece. The device comprises a power supply control system, an electrochemical machining system, a motion control system and an electrolyte circulating system, the electrochemical machining system is provided with a first electrochemical machining tank and a second electrochemical machining tank which are oppositely arranged, two electrodes are arranged in each electrochemical machining tank, and two movable masks are pressed and attached to the two faces of a workpiece to form a mask structure. The motion control system drives the two grooves to be closed or separated; the electrolyte circulating system forms flushing and sucking liquid circulation facing the surface of a workpiece through a flushing pipe and a liquid sucking pipe; the power supply control system intermittently switches the polarities of the two electrodes, so that charge distribution on the two sides of the workpiece is alternately changed, and passive bipolar electrochemical machining is realized; according to the method, photoresist is replaced by the movable mask, the process is simplified, the efficient liquid flushing and absorbing mode and the electrostatic induction machining mode are combined, the inter-electrode mass transfer and electric field uniformity are remarkably improved, and the machining efficiency, precision and depth-diameter ratio are improved.

This invention discloses a radio frequency (RF) power control system and method, and an RF plasma system. The method includes: before the electrostatic chuck cleaning begins, loading a preset parameter set of an impedance matching network associated with the selected cleaning process recipe, and driving the variable capacitors and variable inductors in the impedance matching network to their preset initial positions in the preset parameter set before applying continuous wave RF power; applying continuous wave RF power to the electrostatic chuck and initiating the cleaning process; during the cleaning process, acquiring the load impedance in the impedance matching network in real time at a preset sampling rate, generating a real-time impedance trajectory, and calculating the impedance change rate; determining the current cleaning stage of the electrostatic chuck based on the magnitude of the load impedance and the impedance change rate, and dynamically switching to the impedance matching algorithm corresponding to the cleaning stage to adjust the positions of the variable capacitors and variable inductors in the impedance matching network. This invention achieves low-reflection power matching throughout the entire cleaning process.

A power control system includes: a first energy storage system; a bidirectional AC / DC converter connected between an AC power system and the first energy storage system; and a control device for controlling an operation of the bidirectional AC / DC converter. The control device controls the operation of the bidirectional AC / DC converter to control charging and discharging of the first energy storage system. The power control system includes: a circuit breaker connected between the AC power system and the bidirectional AC / DC converter; a resistor connected between the circuit breaker and the bidirectional AC / DC converter; and a switch for forming a discharge path for discharging the DC power of the first energy storage system via the resistor, while the circuit breaker is open.

The invention discloses a multi-rotor unmanned aerial vehicle, a power control system and a power control method, and relates to the technical field of unmanned aerial vehicles, and the multi-rotor unmanned aerial vehicle comprises a vehicle body, vehicle arms, a main power device and an auxiliary power device. The at least two vehicle arms are arranged on the vehicle body, and the at least two main power devices are arranged on the vehicle arms. The at least two auxiliary power devices are arranged on the vehicle arm, and the auxiliary power devices and the main power device are distributed in the extending direction of the vehicle arm at intervals. When the main power device is normal, the auxiliary power device is in a non-working state; when the main power device breaks down, the auxiliary power device provides power guarantee for the unmanned aerial vehicle. According to the scheme, the at least two auxiliary power devices are arranged on the vehicle arms, a main power and auxiliary power cooperative system is formed, power loss can be rapidly compensated when the main power devices fail, the fault-tolerant capability and flight stability of the unmanned aerial vehicle are improved, and the unmanned aerial vehicle is more stable. And the safety and reliability of the unmanned aerial vehicle in a complex environment and a task key scene can be improved.

A power control system (1) is provided with: a panoramic camera (510) that detects objects around a power cable (200) that supplies power to an electric shovel (100) that operates using power; and an object detection calculator (520) that restricts the power supplied to the electric shovel (100) when the distance between the object detected by the panoramic camera (510) and the power cable (200) is within a predetermined range. As a result, it is possible to provide a power control system and a power control method capable of suppressing contact between an object and a power cable and enabling a work machine to operate more safely.

Aspects of the present disclosure can be embodied in a systems for heating an exterior surface of a bulk medium. In one example, the system includes two or more coupling strips spaced apart from one another and attached to the bulk medium. Each of the coupling strips has a multi-layer structure extending along a surface of the bulk medium that forms, in combination with the bulk medium, an electrical transmission line. The multi-layer structure includes a first dielectric layer over the bulk medium, a conductive layer over the first dielectric layer, a second dielectric layer over the conductive layer, and a conductive shielding layer over the second dielectric layer. A power control system is coupled to the conductive layer of each of the coupling strips and to the bulk medium. The power control system is configured to heat the bulk medium by providing current to the coupling strips.

The embodiment of the invention provides a power control method of a power system, a power control system, a water area propeller and electronic equipment. The power control method of the power system comprises the steps that the fault state of the water area propeller is detected; under the condition that the fault is detected, the maximum output power of the power system is adjusted from the first output power to the second output power, and the second output power is smaller than the first output power; under the condition that fault recovery is detected, determining whether a power recovery condition is met or not; and when a fault recovery condition is satisfied, adjusting the maximum output power to the first output power, otherwise, maintaining the second output power until the power recovery condition is satisfied. According to the technical scheme provided by the embodiment of the invention, the control stability and safety of the water area propeller are improved.

The invention relates to a power control system and a vehicle including the same. A power control system according to one embodiment of the present invention comprises: a first converter configured to convert a voltage of a high-voltage battery into a first voltage; a first battery; a first power distributor; a second converter configured to convert a voltage of the high-voltage battery into a second voltage; a first power distributor configured to distribute power of the first converter to the first battery and the first voltage load; a second converter configured to convert a voltage of the high-voltage battery into a second voltage; a second power distributor configured to distribute power of the second converter to a second battery and a second voltage load; the bidirectional converter is connected between the first power distributor and the second power distributor. Here, each of the first power distributor and / or the second power distributor includes at least one switch, and the at least one switch is controlled to be turned on or off in response to an occurrence of a set fault condition.

The application discloses a kind of synchronous double liquid grouting device test methods, comprising the following steps: layout working condition simulation system connects the inner cavity of synchronous double liquid grouting pipe, and layout power control system connects the piston rod of synchronous double liquid grouting pipe;Load is applied to piston rod by power control system, and working condition simulation system controls piston rod to reciprocate along inner cavity, executes wear test;Different positions of piston rod are locked by power control system, and according to working condition simulation system, pressure oil is output to the inner cavity of synchronous double liquid grouting pipe, and executes pressure leakage test.The beneficial effects of the application: the working scene of the synchronous double liquid grouting device is simulated by the hydraulic system in the application to test the synchronous double liquid grouting device.No need to install real machine, can effectively reduce test cost, also can reduce test difficulty and requirement to test space.

The invention discloses a power control system, method and device of a rail train and the rail train, and relates to the technical field of rail train control, and the system comprises a single-phase power supply circuit which is used for converting a single-phase alternating current output by a single-phase alternating current contact network into a first direct current when the rail train is in a first interval; the power pack power supply circuit is used for converting electric energy output by a power pack in the rail train into second direct current when the rail train is in a second interval; wherein the second section comprises a split-phase section; the motor power supply circuit is used for converting the second direct current into alternating current and supplying power to a traction motor of the rail train when the rail train is in a second section; through the arrangement of the power pack power supply circuit and the single-phase power supply circuit, automatic seamless switching of different power supply energies can be completed before and after a split-phase region, so that a rail train can quickly and stably pass through the split-phase region without power loss, and the performance of the train passing through the split-phase region is improved.

The invention relates to the technical field of lifting devices, and provides an underground heavy object lifting device and a method for carrying out heavy object lifting operation in an underground environment. The lower end of a supporting assembly in the lifting device is fixed to a moving assembly; a lifting body of the lifting mechanism is slidably connected with the supporting assembly, and a lifting hydraulic cylinder is arranged on the supporting assembly or the moving assembly, connected with the lifting body and used for driving the lifting body to do lifting motion. At least one section of arm body in the hoisting arm is pivotally connected with the lifting main body, and the telescopic hydraulic cylinder is arranged on the arm body and is used for driving the arm body to slide relatively so as to realize stretching of the hoisting arm; and the power control system is communicated with a fluid power source outside the underground to obtain power and is used for controlling the lifting hydraulic cylinder and the telescopic hydraulic cylinder to move. A common underground compressed air pipeline is used as an external energy source, the lifting mechanism and the lifting arm are driven through the internal power control system to achieve lifting and shifting of heavy objects, the heavy objects are carried in the underground environment instead of manpower, and safety is high.

A power control system for a battery system of a vehicle includes a first contactor, a second contactor, N fuses, and N vehicle loads. An active sacrificial protection device includes a third contactor and a first fuse. The active sacrificial protection device is connected to a positive or negative terminal of the battery system. A current sensor is configured to sense a measured load current flowing through one of the first contactor and the second contactor. A battery management module is configured to selectively close the third contactor to reduce the current flowing through the one of the first contactor or the second contactor, and to selectively open the one of the first contactor or the second contactor after closing the third contactor.

The invention belongs to the technical field of aircraft control, and particularly discloses an airborne power supply control system and method, and the method comprises the steps: a protection circuit achieves the power supply overcurrent protection, surge current suppression protection and surge voltage protection of an input aircraft power supply, and transmits the power supply overcurrent protection, surge current suppression protection and surge voltage protection to a filter circuit; the filter circuit carries out electromagnetic interference filtering on the input airplane power supply and sends the electromagnetic interference to the power supply interruption detection circuit, the power supply control circuit and the energy storage circuit respectively; when the power supply of the aircraft is cut off instantaneously, the energy storage circuit continues to supply power to the flight control equipment to enable the flight control equipment to work normally. The power supply interruption detection circuit detects the working state of an aircraft power supply in real time, and sends power supply interruption information to the flight control equipment when detecting that the aircraft power supply has power supply transient interruption; and after receiving the power supply interruption information, the flight control equipment controls the power supply control circuit to cut off the power supply of the aircraft power supply to other equipment, and controls the aircraft power supply to supply power to other equipment again after a preset time is delayed.

A power control system includes a pluggable power source (PPS) junction box operable to receive and aggregate power from one or more energy sources. The system includes a PPS controller operable to control an enable signal and provide the power to an energy storage device or direct load device. The system includes a PPS interface operable to communicate the power from the PPS junction box to the PPS controller and communicate the enable signal from the PPS controller to the PPS junction box. The PPS controller controls the enable signal responsive to at least (i) an amount of power available from the one or more energy sources and (ii) an amount of energy stored at the energy storage device or required to supply the direct load device. The PPS interface communicates the power from the PPS junction box to the PPS controller based on the enable signal.

The present invention makes it possible to achieve more effective energy output control in a railway vehicle that travels by means of a hybrid power source. This power control system (100) for a railway vehicle comprises: a fuel cell (32) capable of outputting power for driving a main electric motor (50) and an auxiliary apparatus (70) of a railway vehicle (1); a storage battery (22) capable of storing electric charges by means of the output of the main electric motor (50) or the fuel cell (32) and capable of outputting power for driving the main electric motor (50) and the auxiliary apparatus (70) by discharging; and a control device (10) for switching the operation modes of the fuel cell (32) and the storage battery (22) on the basis of the charging rate of the storage battery (22), the speed of the railway vehicle (1), and the cooling water temperature of the fuel cell (32).

The invention discloses a power supply control system and a power supply control method for energy-saving display equipment. The power supply control system comprises a power supply module, a power supply current monitoring module, a main circuit module and a battery module, the power supply module is electrically connected with the power supply current monitoring module. The power supply current monitoring module is electrically connected with the main circuit module and the battery module. The power supply current monitoring module is used for monitoring output current output to the main circuit module by the power supply module and controlling the power supply module to independently supply power to the main circuit module or controlling the power supply module to supply power to the main circuit module and the battery module at the same time according to the magnitude of the output current; or the control power module and the battery module are connected in parallel to supply power to the main circuit module. Therefore, the output current of the power supply module is the optimal efficiency point under the assistance of the battery module, so that energy conservation is realized.

The invention discloses a precise power control system for a motor of an electric loader, which comprises a load detection module, a brake energy recovery module and a control module, and is characterized in that the control module is used for receiving work load information, processing the work load information and the brake energy recovery information by adopting an improved fuzzy PID control algorithm, and outputting the processed work load information and the brake energy recovery information; a corresponding power adjusting instruction is generated and sent; a driving module and a feedback module. The set change rates of the load deviation e and the load deviation ec serve as core input of a fuzzy PID control algorithm, dual-input fuzzification processing can accurately describe the static size and the dynamic change trend of the load, PID parameter correction values (delta Kp, delta Ki and delta Kd) and initial parameters (Kp0, Ki0 and Kd0) are combined to be superposed to obtain real-time parameters, and the real-time parameters are obtained. The operation characteristics of frequent switching between heavy load and light load and severe load sudden change of the electric loader can be more comprehensively captured, and PID parameter correction better meets the power requirements of subdivision operation such as shoveling, lifting and driving.

The invention discloses a power control system and method for an overhead working truck, and belongs to the technical field of engineering machinery. Comprising a power output module, an execution unit and a control module. The multiple power output modules independently drive the multiple execution units so as to drive the hydraulic system to act. A state acquisition module is arranged between the execution unit and the control module and is used for acquiring state parameters of the execution unit and feeding back the state parameters to the control module; the control module evaluates the execution units according to the state parameters and determines a target execution unit from at least one execution unit; the invention discloses a power source of a small overhead working truck, which is realized by adopting an electric control mode, and the adaptation capability of the overhead working truck to various chassis is improved from the power taking of a chassis engine to the power provided by a motor.