80 results about "Power entry module" patented technology

The utility model belongs to the technical field of pulse power supplies, and particularly discloses a pulse power supply circuit, which comprises a power supply input module, a PWM (Pulse Width Modulation) signal input module, a feedback control module, a control chip and an output module, the power input module provides working power for the control chip and the whole circuit. The PWM signal input module is used for transmitting an external PWM signal to a signal input pin of the control chip; the feedback control module collects an electric signal in the circuit and transmits a processed feedback signal to the control chip; the control chip drives the output module to output a pulse power supply to provide electric energy for a load based on an input PWM signal and a feedback signal. According to the utility model, the feedback signal acquired by the feedback control module is compared with the reference voltage, the difference value is amplified, the control chip adjusts the duty ratio of the PWM signal according to the amplified error signal, the pulse waveform is effectively optimized, and the output stability and reliability of the pulse power supply are improved.

The invention discloses an intelligent reactive power automatic compensation control device and method, and relates to the technical field of reactive power compensation of a power system. The device comprises a power supply input module, a sampling and signal conditioning module, a high-speed ADC module-block, an FPGA high-speed processing unit, a data storage module, an AI decision unit, a control driving module, a multi-channel capacitor switching device and a capacitor bank module. Through combination of the multi-channel capacitor switching device and an intelligent dynamic control technology, matrix-type accurate switching control of the capacitor bank is realized, the corresponding capacitor bank can be flexibly switched based on reactive power data dynamically acquired in real time, instant accurate compensation of reactive power capacity is achieved, and the reactive power capacity of the capacitor bank is accurately compensated. And the adaptability and the flexibility of compensation under different load working conditions are ensured.

The utility model discloses a rotary needle shuttle synchronous double servo control system, which comprises a control unit, a communication module, a power supply input module, a switch power supply module and a voltage detection module, and is characterized in that the control unit is used for synchronously and accurately coordinating and controlling two servo motors, the communication module is used for data exchange, and the power supply input module is connected with the switch power supply module. The control module is used for receiving instructions and feeding back system states, the power supply input module is used for providing basic power input support adaptive to a wide voltage range, the switching power supply module is used for converting alternating current input into multi-path stable direct current output, and the voltage detection module is used for accurately monitoring input voltage states in real time. The problems that a traditional rotating needle shuttle system is poor in interference resistance, insufficient in power management and the like are effectively solved, the complexity of the system is remarkably reduced through the compact circuit layout and the modular design, and the system is suitable for equipment upgrading in the fields of spinning, packaging and the like and has certain use value and popularization value.

The utility model discloses a sound wave function management system, a connector and a data line, and the data line comprises a sound wave function management system, a PCB, a housing, a power input module, a power output module, a chip control module, a sound wave sound source module, an audio decoder module and an output power amplifier module, the chip control module is arranged between the power supply output module and the power supply output module; the sound wave sound source module is arranged on one side of the chip control module, one end of the sound wave sound source module is connected with the chip control module, and the other end of the sound wave sound source module is freely arranged; the audio decoder module is arranged on the other side of the chip control module, one end of the audio decoder module is connected with the chip control module, and the other end of the audio decoder module is freely arranged; and the output power amplifier module is connected with the audio decoder module, so that the structure is simple, and the use is convenient.

The application discloses a variable polarity seam welding power supply for device packaging and a welding quality monitoring method. The variable polarity seam welding power supply comprises a power main circuit module and a control system module. The power main circuit module comprises a power input module, a power conversion module, an energy storage capacitor group module, an H-bridge chopper module and an output module. The method comprises the following steps: turning on the variable polarity seam welding power supply to weld a device packaging workpiece, obtaining an average dynamic resistance sequence of the device packaging workpiece after welding, determining a Spearman correlation coefficient of the device packaging workpiece after welding based on the average dynamic resistance sequence of the device packaging workpiece after welding, and setting a threshold value of the Spearman correlation coefficient to determine the quality of the device packaging workpiece after welding. The application can improve the welding quality of the device packaging workpiece by precisely controlling the welding quality monitoring method software. The application can be widely applied to the technical field of device packaging welding.

The utility model discloses a fire-fighting emergency base station power supply, which comprises a switching control module, a main power supply input module and a standby power supply input module, each of the main power supply input module and the standby power supply input module comprises a double-MOS (Metal Oxide Semiconductor) tube; a first power supply input end of the switching control module is connected with a power supply output end of the main power supply input module, and a power supply input end of the main power supply input module is used for being connected with a first power supply; a first monitoring end of the switching control module is connected with a source electrode of the main power supply input module; a first control end of the switching control module is connected with a grid electrode of the main power supply input module; a second power supply input end of the switching control module is connected with a power supply output end of the standby power supply input module, and a power supply input end of the standby power supply input module is used for being connected with a second power supply; a second monitoring end of the switching control module is connected with a source electrode of the standby power supply input module; and a second control end of the switching control module is connected with a grid electrode of the standby power supply input module, so that efficient dual-power supply switching control is realized.

The utility model relates to the technical field of battery charging, and discloses a charger battery connection misjudgment prevention circuit, which comprises a power supply input module, a negative electrode control switch module, an output current detection module, a master control MCU (Microprogrammed Control Unit) module and a battery voltage detection module, the power input module is in signal connection with a negative electrode control switch module, the negative electrode control switch module is electrically connected with an output current detection module, the output current detection module is in bidirectional connection with a main control MCU module, and the main control MCU module is in signal connection with the negative electrode control switch module. And the main control MCU module is bidirectionally connected with a battery voltage detection module. According to the utility model, all the modules form a closed-loop control system through signal interaction, so that accurate control, state monitoring, fault protection and intelligent management of battery charging and discharging are realized, and stable and reliable operation of a circuit is guaranteed.

The utility model discloses an electricity-to-heat temperature detection and control system and device. The electricity-to-heat temperature detection and control system comprises a micro-control unit (1), a power input module (2), a thermistor alloy heating body (3), a heating body resistance detection module (4), a PID module (5) and an electric power adjustment module (6). The power supply input module (2) is connected to the micro-control unit (1) and an external power supply, and the power supply input module (2) is used for converting and transmitting the voltage of the external power supply into the voltage available for the micro-control unit (1); according to the system and the device, continuous and comprehensive temperature detection of the whole heating process can be realized; based on the real-time temperature information, the system can automatically adjust the heating power to ensure the temperature uniformity of the whole heating system, so that the heating system can stably operate under different working conditions and can basically and continuously maintain a preset temperature value.

This invention relates to a power supply system for an electricity meter and its rechargeable battery protection circuit, belonging to the field of power protection technology. The invention integrates an anti-backflow unit within the step-down conversion module to prevent current from the rechargeable battery from flowing back into the power input module, thereby reducing capacitor ineffective losses. It also integrates a current-limiting unit and a first unidirectional conduction unit within the charging control module. The current-limiting unit restricts the charging current flowing to the rechargeable battery, while the first unidirectional conduction unit ensures that the charging current flows unidirectionally to the rechargeable battery. The current-limiting unit controls the charging current through its own resistance characteristics, avoiding damage to the battery from abnormal current (too high / too low). The first unidirectional conduction unit ensures that the charging current flows unidirectionally to the battery, preventing reverse current from flowing into the circuit during battery discharge, achieving a balance between "efficient charging + battery protection," thereby improving circuit reliability and battery lifespan.

The utility model discloses a multifunctional household intelligent comprehensive distribution box in the technical field of intelligent distribution boxes, which comprises a central control module and a power supply control electric quantity detection module which are electrically connected. The central control module is electrically connected with a sensor module, a display module, a 4G communication module and a power supply module, the power supply module is electrically connected with a standby power supply and a switch, the power supply control electric quantity detection module is electrically connected with an energy storage management module, and the energy storage management module is electrically connected with a power supply input module and a circuit breaker output module. The multifunctional household intelligent comprehensive distribution box is reasonable in structural design, the Internet of Things, the equipment state and the working mode can be remotely monitored and controlled, energy consumption can be recorded, summarized and analyzed, a user can conveniently optimize energy use and management modes, peak-valley energy storage and use management can be conveniently achieved by the user, peak-load energy use can be conveniently achieved by the user, and energy consumption can be conveniently achieved by the user. And the green and low-carbon energy consumption awareness of the user is improved.

According to the clothes airing machine power supply system and the clothes airing machine, a power supply input module provides a power supply signal, so that a motor control module outputs a working voltage signal to a main control module according to the power supply signal, and outputs a first power supply signal to a motor of the clothes airing machine based on the power supply signal and a motor control signal output by the main control module; the main control module is used for supplying power to the motor through the first power supply signal and outputting an illumination control signal and a motor control signal based on the working voltage signal, so that the illumination control module outputs a second power supply signal to an illumination load of the clothes airing machine according to the power supply signal and the illumination control signal output by the main control module; therefore, the illumination load of the clothes airing machine and the power supply of the motor are independently controlled, the power supply efficiency of the clothes airing machine can be effectively improved, and the problem that the power supply efficiency is low due to the fact that the motor and the illumination load of the clothes airing machine share one power supply in the prior art is solved.

The invention discloses an electrical system of a magnetic suspension air compressor. The electrical system comprises a three-phase power supply input module, an anti-interference protection module, a high-voltage power supply protection module, a low-voltage dual-power supply module and a fault detection response module, the output end of the three-phase power supply input module is respectively connected with a surge protector and an EMC filter in the anti-interference protection module; the output of the EMC filter is connected with an input reactor, a protection assembly and a phase failure protector in the high-voltage power supply protection module, the input reactor is connected with a frequency converter, the frequency converter is connected with a magnetic suspension motor through an output reactor, and the protection assembly is connected with a high-voltage auxiliary component; a direct-current bus of the frequency converter is connected with the magnetic suspension bearing controller and the DCDC switching power supply, the DCDC outputs two paths of low-voltage electricity to the integral control unit and the low-voltage execution part respectively, and the signal ends of the phase failure protector and the protection assembly are both connected with the integral control unit. Therefore, the defects of electric design of the magnetic suspension air compressor in anti-interference, fault protection and detection and power supply reliability are overcome, and the magnetic suspension air compressor is suitable for industrial severe working conditions.

The invention discloses a robot joint module controller which comprises an MCU module used for receiving feedback signals of all modules, outputting control instructions and completing data interaction with external equipment, an encoder and a data storage unit; and the power supply input module is integrated with a reverse connection protection unit, a transient voltage suppression unit and a power supply filtering unit, and is used for realizing power supply reverse connection protection, transient overvoltage suppression and power supply ripple absorption, providing stable input voltage for the MCU module, constructing a full-dimension multi-protection mechanism, and greatly improving the operation reliability of the controller under extreme working conditions. The controller integrates six protection functions of reverse connection protection, hardware short circuit protection, software overload protection, motor / PCBA double-circuit over-temperature protection, overvoltage and undervoltage protection and transient voltage suppression, can comprehensively cope with various extreme working conditions such as power supply reverse connection, short circuit, overload, overheating, voltage abnormity and counter electromotive force impact, effectively avoids damage to the controller and the motor, and improves the reliability of the controller. The service life of the joint module is prolonged.

The utility model relates to the technical field of power supply and distribution equipment, and discloses a power supply control device and modularized power supply control equipment, and the power supply control device comprises a power supply input module which carries out the power distribution through a terminal strip; a programmable controller connected to the terminal strip and configured to output a control signal; a coil interface of each intermediate relay is connected to the output end of the programmable controller, and a normally open contact of each intermediate relay is connected in series in an input loop of the terminal strip and the corresponding switching power supply; and the switching power supply group comprises at least three switching power supplies with different output parameters respectively. According to the power distribution device, electrical parts related to power distribution are integrated into the power distribution device through modular design of electrical parts, and the modular test power supply function which is high in integration level, supports remote control and has safety protection and rapid deployment capabilities is achieved.

The utility model relates to the technical field of Internet of Things, in particular to a three-in-one intelligent converter for routing, switching and charging. According to the technical scheme, the mobile terminal comprises a charging module, the charging module comprises four Type-C ports, and each Type-C port is provided with an independent charging chip; the routing switching module comprises one RJ-45 network interface and four Type-C ports, and each Type-C port is provided with an independent network chip; the control module is used for realizing switching between a gateway mode and a bridging mode and an automatic data uploading function; the input of the power supply input module is DC19V / 3.42 A; and the indicating module comprises a PWR indicating lamp, a LINK / ACT indicating lamp and a charging adaptive lamp. According to the utility model, charging, route exchange and data transmission functions are integrated, and an independent chip is adopted to control multiple ports, so that fast charging and high-speed network parallelism are realized, the problems of poor compatibility and complex deployment of a traditional scheme are solved, and the intelligent equipment coordination device is suitable for intelligent equipment coordination scenes.

The utility model relates to the technical field of PLC (Programmable Logic Controller) control panels, and provides a high-grade laboratory automatic control rapid wiring board, which comprises a printed circuit board provided with a power supply input module, a power supply output module, a flat cable seat, a port signal input / output interface, a relay module and a PLC mounting area, the power output module is arranged on the lower side of the PLC installation area, the flat cable seat is arranged on the lower side of the power output module, the relay module is arranged on the right side of the PLC installation area, the power input module is arranged on the right side of the relay module, the port signal input and output interface is arranged on the edge of the printed circuit board, and the flat cable seat is electrically connected with the port signal input and output interface. The PLC signal circuit is drawn in the printed circuit board, and various interface plug connectors are used for circuit access, so that the wiring work becomes neat and visual, the installation work efficiency is improved, and the error probability is reduced.

The utility model provides a current intelligent detection circuit, and belongs to the field of power supply protection circuits. The current intelligent detection circuit comprises a power supply input module, the power supply input module is provided with a resettable fuse with over-current protection, the current intelligent detection circuit further comprises a differencing module, a main control module and an indication module, a first input end of the differencing module is connected with a voltage input end of the resettable fuse, and a second input end of the differencing module is connected with a voltage output end of the resettable fuse. The second input end of the differencing module is connected with the voltage output end of the resettable fuse, the output end of the differencing module is connected with the input end of the master control module, the output end of the master control module is connected with the input end of the indication module, and the master control module can receive the level of the output end of the differencing module and send the level to the resettable fuse. And a control level signal is output to the indication module for alarming. The self-recovery fuse has the beneficial effects that the self-recovery characteristic of a circuit is reserved, and equipment users can know the state of the self-recovery fuse in time.

This application provides a modular desktop charging station, belonging to the field of desktop charging station technology. Addressing the issue of low reliability in connections between multiple modules in a desktop charging station, this application provides a modular desktop charging station, including a power input module comprising a first connecting mechanism and a first conductive element; and a functional module comprising a second connecting mechanism adapted to the first connecting mechanism and a second conductive element adapted to the first conductive element; one of the first and second connecting mechanisms includes a protrusion, and the other includes a groove and a locking element; the groove has an inlet / outlet portion and a limiting portion arranged sequentially along a first direction, and the locking element is movably disposed between the inlet / outlet portion and the limiting portion, and the locking element can switch between a locked state and an unlocked state; when the locking element is in the unlocked state, the protrusion can enter the limiting portion along the first direction from the inlet / outlet portion; when the locking element is in the locked state, the protrusion can be locked in the limiting portion, and the protrusion and the limiting portion cooperate to prevent the first and second connecting mechanisms from disengaging. This application achieves a detachable connection between the power input module and the functional module through the cooperation of the first and second connecting mechanisms, and the connection point can be locked by the locking element, improving connection reliability.

The utility model discloses an electric bicycle LED constant-current driving circuit capable of simply switching high and low beams. The electric bicycle LED constant-current driving circuit comprises a power input module, a switch switching circuit module, an LED chip driving circuit module and an LED load circuit module, the power supply input module is connected with the switch switching circuit module, the switch switching circuit module is connected with the LED chip driving circuit module, the LED chip driving circuit module is connected with the LED load circuit module, and the switch switching circuit module is connected with the LED load circuit module. The switch switching circuit module comprises a single-pole three-throw switch SW1 and is provided with three working gears of low beam, high beam and closing, high beam and low beam switching of the electric bicycle can be conveniently achieved, meanwhile, the device has the advantages of being simple in structure, low in cost and high in reliability, and the lighting requirement for safe driving of the electric bicycle at night is met.

The utility model discloses a high-efficiency medical oxygen generator driver, which comprises a driving control board, a driving unit is arranged on the driving control board, the driving unit comprises a power supply input module, an MCU processing module, an inversion module and a synchronous motor, the power supply input module is used for supplying power to the MCU processing module, the inversion module and the synchronous motor, and the MCU processing module is used for supplying power to the inversion module and the synchronous motor. A power factor correction module is connected between the power supply input module and the MCU processing module, the MCU processing module is further electrically connected with the synchronous motor through an inversion module, the power factor correction module adopts a single-phase Boost PFC topology circuit to adjust the bus voltage of pulsating direct current to 380V, and when the inversion module outputs, the current phase is aligned with the voltage phase, so that the pulse direct current is output. The power supply input module comprises a power supply input interface and an EMI filtering and rectifying module which are connected in sequence. The structure improves the utilization rate of electric energy.

This invention discloses a control circuit for an ozone module, including a power input module, an FG electronically regulated signal terminal, a capacitor E1, a transistor Q1, a field-effect transistor U1, and a common-mode inductor L1. One end of capacitor E1 is electrically connected to one end of the electronically regulated power supply terminal, and the other end of capacitor E1 is electrically connected to one end of the FG electronically regulated signal terminal. The emitter of transistor Q1 is electrically connected to the end of capacitor E1 connected to the electronically regulated power supply terminal. The gate of field-effect transistor U1 is electrically connected to the collector of transistor Q1. Common-mode inductor L1 has pins 1, 2, 3, and 4, and pin 1 of common-mode inductor L1 is electrically connected to the source of field-effect transistor U1. This invention designs a control circuit for an ozone module, which solves the problem of ozone generation even when the purifier is not placed in water, by using a high-stability anti-interference function module and a control ozone load switch; it reduces resource waste and ensures safe use.

This invention provides an LCD driving circuit, a liquid crystal display screen, and a display device for suppressing output fluctuations. The LCD driving circuit includes a power input module, a Schmitt trigger device, and an XON module. The power input module is connected to the Vin voltage input terminal of the Schmitt trigger device; the Vout voltage output terminal of the Schmitt trigger device is connected to the input terminal of the XON module. When the power input module is on, the Schmitt trigger device outputs a high level, and the XON module also outputs a high level, enabling the display panel to operate normally. When the power input module is off, the Schmitt trigger device outputs a low level, and the XON module also outputs a low level, allowing the display panel to release residual charge. The Schmitt trigger device is unaffected by minor fluctuations in the input voltage, maintaining stable high and low level outputs. This avoids output signal fluctuations caused by the XON module's susceptibility to minor power voltage fluctuations, suppressing output fluctuations in the driving circuit, preventing abnormal images, and enhancing display effects and user experience.

The utility model relates to medical electrical equipment technical field discloses a kind of brake control circuit suitable for medical robot system, comprising: power input module, for receiving DC power voltage;The input end of starting drive module is connected power input module, the output end is connected the power end of brake, for when powering on system to brake provides first voltage to drive brake starting;Delay control module is connected with starting drive module, for after powering on system to starting drive module is carried out conduction time control, so that first voltage is only loaded to brake within preset time;The input end of constant voltage maintaining module is connected power input module, the output end is connected the power end of brake, for after starting drive module output is closed, continuously to brake provides stable second voltage to maintain the working state of brake.The utility model gives consideration to the dual needs of starting response speed and long-time stability, improves the response efficiency and service life of control circuit.

The application discloses a switching circuit and a control method thereof. The switching circuit comprises a power input module, a resonant capacitor, a resonant inductor, a transformer, a voltage output module and a working mode control module. The voltage output module comprises a voltage output path, an LLC mode path and an AHB mode path connected with the voltage output path respectively. The AHB mode path comprises a first triode, and the LLC mode path comprises a second triode. When the first triode is turned on and the second triode is turned off, the switching circuit works in the AHB mode. When the first triode is turned off and the second triode is turned on, the switching circuit works in the LLC mode. The application has the advantages of LLC topology and AHB topology, can adopt the LLC topology to ensure the efficiency and EMI performance of high-frequency application, and can adopt the AHB topology to meet the demand of large input-output variation range.

The invention provides an intelligent energy terminal and a control method thereof, and relates to the technical field of communication, and the intelligent energy terminal comprises a dual-power input module, a power state detection module, an automatic switching control module, a power loss alarm module and a control and communication module. A dual-power-supply input module, a power supply state detection module, an automatic switching control module and a power loss alarm module are integrated in the intelligent energy terminal, and an integrated linkage mechanism from power supply monitoring to switching action to alarm output is constructed, so that quick take-over of a standby power supply and synchronous triggering of an alarm signal when a main power supply is abnormal are realized; the power supply continuity and the fault response speed are improved, the requirements of external components are reduced, and the compactness, the stability and the maintainability of the system are enhanced.

The invention provides a power supply system and a configuration method thereof, and the power supply system comprises a power input module which is configured to be connected with an external power supply and provide at least two output paths, at least two sections of power supply buses are respectively connected with the at least two output paths, and an uninterruptible power supply (UPS) is arranged on the output path corresponding to one section of power supply bus; the input end of each group of power output modules is respectively connected with the at least two sections of power supply buses, and the output end of each group of power output modules is connected to a signal load; wherein each group of power output modules is used for carrying out redundant power supply on the signal load according to the electric energy provided by the at least two sections of power supply buses. According to the system and the configuration method thereof, normal power supply of the system can be continuously kept when any bus or any independent power supply fails, the power supply reliability is improved, and the construction cost and space occupation are reduced.

An information processing system comprises a rack capable of accommodating servers and a power distribution circuit that supplies power to the servers. The system further includes a power input module (PIM) located within the rack, which receives input power and converts the input power into output power. The PIM then directs the output power to the power distribution circuit. The PIM comprises a power circuit that converts the input power to output power and an enclosure housing the power circuit. The enclosure has a fixed portion, an input assembly that routes input feeds from outside the rack into the PIM, and an output assembly with output feeds that deliver the output power to the power distribution circuit. The input assembly and the output assembly are movable relative to the fixed portion of the enclosure.

The utility model relates to thermal power generation technical field, it is a kind of coal mill proportion overflow valve power supply redundancy switching device, it includes two-way power input module, intelligent switching control module and output protection module;Two-way power input module's input end connects two-way direct current power supply, and the output end of two-way power input module is connected with the input end of intelligent switching control module, and the output end of intelligent switching control module is connected with the input end of output protection module, and the output end of output protection module is connected with the load of proportion overflow valve.This utility model has realized the seamless switching of coal mill proportion overflow valve dual power supply redundancy, improves power supply reliability, reduces shutdown risk.

A power supply circuit with temperature protection and overcurrent protection includes a power input module for providing power supply for a controller module; the controller module is used for receiving feedback signals from a temperature protection module and an overcurrent protection module, and controlling the on-off of a boost-buck circuit module; when the temperature is abnormal, the controller is closed, and / or when the current exceeds a set threshold, the controller is closed, so as to close the DC power output; the temperature protection module is used for detecting temperature change and feeding back to the controller module; the boost-buck circuit module is used for providing stable voltage for a load; the overcurrent protection module is used for detecting current change and feeding back to the controller module; a voltage stabilizing output module is used for outputting DC stabilized voltage; the power input module is connected with a DC input power supply and the controller module respectively; the controller module is connected with the boost-buck circuit module, the temperature protection module, the overcurrent protection module and the voltage stabilizing output module respectively; the boost-buck circuit module is connected with the voltage stabilizing output module.