21 results about "Automatic switching system" patented technology

The invention belongs to the technical field of biological feature recognition, and discloses an automatic recognition and automatic switching system based on a multifunctional USB peripheral interface, which comprises a function module, a state detection module, a USB signal switching module and a main control module, the function module is used for accessing an external device and feeding back a voltage signal to the main control module and the state detection module; the state detection module is used for judging whether external equipment is accessed or not and judging the type of the accessed external equipment; the USB signal switching module is used for opening an internet access channel or a PC / OTG channel; the beneficial effects of the invention are as follows: 1, hardware-level channel gating is realized, software intervention is not needed, and rapid switching is realized; 2, a special detection chip is not needed, and the cost is reduced; and 3, the interface resource utilization rate is improved, and the system redundancy is reduced. And 4, three scenes of the internet access, the PC and the OTG are automatically identified, user configuration is not needed, and the compatibility is good.

This invention discloses a priority-based intelligent control multi-power automatic switching system, belonging to the field of DC power supply management technology. The system supports 3≤N≤9 power supply paths, including N-1 conventional DC input power supply paths and 1 fixed lowest-priority battery backup power supply path. Voltage data is collected through an isolated voltage acquisition module; a power supply decision module calculates and dynamically sorts power quality assessment values ​​based on time-weighted historical cumulative voltage data, and outputs circuit control commands in conjunction with hard access verification; a switching timing control module executes seamless command switching with a duration less than the maximum power supply duration of the load capacitor; a fault locking module locks continuously faulty power supply paths with only manual reset; and a display and alarm module displays and alarms the circuit operating status. This invention significantly improves power supply reliability and enhances fault protection mechanisms, making it suitable for high-reliability DC power supply scenarios such as industrial control and medical equipment.

This invention discloses an automatic switching system, method, and drive circuit for an uninterruptible power supply (UPS) in the field of power electronics. It includes a power module for providing electrical energy to the system; a relay switch unit for controlling the switching of mains power input; an accelerated turn-off unit for accelerating the turn-off of the relay switch unit; a circuit switching unit for switching a high-current drive circuit to a low-current drive circuit after a predetermined delay; and a control module for outputting a high-level signal to control the circuit switching unit to switch the high-current drive circuit to accelerate the closing of the relay switch unit, and outputting a low-level signal to control the accelerated turn-off unit to accelerate the turn-off of the relay switch unit. This invention employs a delayed switching drive design and an accelerated turn-off unit, which significantly simplifies the power supply hardware design, reduces the power requirements of the auxiliary power module, and significantly shortens the relay turn-off time, ensuring the stability and reliability of the UPS during the switching process.

The invention discloses an electric carry-scraper battery power supply automatic switching system, and belongs to the technical field of energy storage and power supply, the electric carry-scraper battery power supply automatic switching system is provided with a storage battery pack and a switching structure, the switching structure comprises a locking cylinder and a detection circuit, a reciprocating column is arranged in the locking cylinder, switching cylinders are uniformly distributed on the lower surface of the locking cylinder, and wheel driving cylinders are arranged below the switching cylinders; a charging block and a discharging block are arranged in the wheel moving cylinder, the charging block and the discharging block can be connected with the positive electrode of a storage battery in the storage battery pack in turn through reciprocating operation of the reciprocating column in the locking cylinder, the detection circuit can detect the discharging time of the storage battery, and the storage battery in the storage battery pack meets the power supply requirement of the electric carry-scraper and also can be connected with the positive electrode of the storage battery in turn. The storage batteries in the storage battery pack can be automatically switched between charging and discharging, the operation time of the electric carry-scraper is prolonged, the charging efficiency of the storage batteries is improved, and the utilization rate of the storage batteries is increased.

The application discloses an automatic switching system and method for a pulverized coal screw conveyor of an IGCC unit, and belongs to the technical field of coal powder distribution. The system comprises a first coal grinding conveying device, a second coal grinding conveying device, a third coal grinding conveying device and a fourth conveyor. The first coal grinding conveying device comprises a first filter, a first conveyor and a first pulverized coal storage tank. The first filter is connected with the first conveyor and the fourth conveyor through a first three-way valve respectively, and the first conveyor is connected with the first pulverized coal storage tank. A second filter is connected with a second conveyor and the fourth conveyor through a second three-way valve respectively, and the second conveyor is connected with a second pulverized coal storage tank. A third filter is connected with a third conveyor and the fourth conveyor through a third three-way valve respectively, and the third conveyor is connected with a third pulverized coal storage tank. The application can effectively avoid the occurrence of personal injury and equipment damage caused by the failure of workers to find and operate in time.

The application discloses an eSIM Profile remote delivery and automatic switching system, comprising: a terminal device, used for pre-setting a seed Profile, establishing a communication session with a cloud eSIM management platform through the seed Profile, reporting location data, network state and current Profile information, and completing target Profile receiving, installation, activation and failure fallback; the cloud eSIM management platform is used for obtaining relevant call and charging characteristic data and judging whether the switching condition is met, and when the switching condition is met, the target Profile remote delivery is applied; the operator interface is used for providing relevant call and charging characteristic data to the cloud eSIM management platform, and remotely delivering the Profile; the data layer is used for storing terminal device historical performance data, and analyzing operator cost and coverage data. The application also discloses an eSIM Profile remote delivery and automatic switching method, an electronic device and a computer readable storage medium. The application improves switching accuracy and automation level, and reduces communication cost.

The utility model discloses a controller detection device and test equipment. The detection device comprises a voltage detection module, a first indication module, a main power supply and at least one standby power supply; the controller comprises at least two terminal strips; the power supply end of one terminal strip is connected with a main power supply, and the other terminal strips are connected with a standby power supply; the detection end of the voltage detection module is connected to the main power supply, the output end of the voltage detection module is connected with the control end of the terminal strip, and the voltage detection module outputs an abnormal signal when detecting that the main power supply is abnormal and transmits the abnormal signal to the control end of the terminal strip; the control end of the terminal strip is connected to a first power supply, the detection end of the terminal strip is connected with the first indication module, the controller switches a power supply according to an abnormal signal and controls the control end of the terminal strip correspondingly connected with the power supply for supplying power to be connected with the detection end, and the first indication module displays the working state of the controller. The controller detection device can detect the controller in advance, so that the fault controller is prevented from being connected to the power supply automatic switching system.

The invention relates to the field of nuclear technology and automatic detection, and provides a high-precision automatic sample change detection device for mass neutron imaging experiments and an experiment method. The device comprises a sample library system and an automatic sample switching system, the sample library system can store and manage at least 200 sample boxes, and the automatic sample switching system adjusts the sample boxes to an experiment area and returns the sample boxes; the two systems work cooperatively, batch parallel processing of hundreds of samples is achieved, the problem of difficulty in automatic sample replacement of a large-batch sample experiment is solved, the experiment efficiency is improved, and the consistency and reliability of experiment data are ensured; the device runs fully automatically, experimenters are liberated, and the utilization efficiency of human resources is improved; and the device is suitable for samples of different sizes, wide in applicability, capable of improving the experiment efficiency by 70%, convenient for classified storage and management of the samples, suitable for various neutron line stations, and high in universality and economical efficiency.

The invention provides a multi-power-supply automatic conversion system and method, and the system comprises a state structure module which comprises a state linked list structure, the state linked list structure is used for storing and managing a plurality of state objects in a linked list form, each state object corresponds to one power supply configuration or conversion logic in a multi-power-supply system, the state object comprises a scan method, a just method and an action method; the scheduling algorithm module is configured to recursively call a scan method of a current state object from a top layer state to traverse a sub-state chain table of the current state object; for each traversed state object, calling a Judge method of the state object to judge whether the current external condition meets a preset conversion condition or not; if yes, the action method is called to execute corresponding power switching operation. The risk of errors caused by logic modification in the later period is effectively reduced, meanwhile, the workload in the test stage is remarkably reduced, and stable and reliable operation of the system is guaranteed.

A fuel gas-fuel oil automatic switching system, comprising an electronic injection valve (1), a fuel gas control valve (2) and an engine (3); the electronic injection valve (1) is mounted on the engine (3), and the electronic injection valve (1) comprises a valve body (11), an electronic controller (12) and a fuel oil injection nozzle (13), the electronic controller (12) and the fuel oil injection nozzle (13) being arranged on the valve body (11), and the fuel oil injection nozzle (13) supplying oil to the engine (3); the fuel gas control valve (2) is communicated with the engine (3) via a pipe and supplies gas to the engine (3); the fuel gas control valve (2) is provided with a pressure sensor (21), the pressure sensor (21) being electrically connected to the electronic controller (12); the pressure sensor (21) measures the fuel gas pressure and transmitting a fuel gas pressure signal to the electronic controller (12); the electronic controller (12) automatically controls the opening and closing of the fuel gas control valve (2) and the electronic injection valve (1) on the basis of the fuel gas pressure signal. The system is used for improving the intelligence and convenience of fuel gas and fuel oil switching.

The invention discloses a charging pile multi-operator automatic switching system based on dynamic evaluation and a switching method thereof. The system comprises a communication module group, a signal monitoring module, a switching control module, a charging control module and an exception handling module. Through real-time dynamic evaluation of network quality of a plurality of communication operators, when a current communication network signal is weak or unavailable, the network can be automatically switched to other available networks, and when all communication modules are unavailable, the system automatically enters an off-network state, and a local data caching and alarm mechanism is started by an exception handling module, so that the network quality of the communication operators is ensured. According to the method, the order data is safely cached to the local, data supplementary transmission is automatically completed after the network is recovered, the service continuity is guaranteed, the problems of charging order loss, payment failure and order uploading interruption caused by network abnormity are effectively avoided, and the transaction success rate and the user satisfaction degree of the charging pile are remarkably improved.

The application provides a substation external emergency power supply automatic switching system reconstruction method, and relates to the technical field of power supply systems; the method comprises the following steps: constructing an emergency power supply network frame; configuring core circuit breakers as electrically operated control circuit breakers; collecting substation operation data, wherein the substation operation data at least comprises voltage data, current data, protection blocking signals and switch quantity information of collection points; determining whether the current operation state of the substation needs to start emergency power supply according to the substation operation data; when the current operation state of the substation indicates that the emergency power supply needs to be started, sending control signals to each core circuit breaker, and controlling each core circuit breaker to supply power to the secondary side bus of the substation according to the automatic switching action control logic of the control signals. The application realizes the rapid and accurate switching of the substation external emergency power supply, significantly improves the reliability and stability of the substation power supply, and effectively shortens the power outage time.

The invention discloses an AC input automatic switching system of a high-power linear power supply. The AC input automatic switching system comprises an AC power supply input unit, a voltage division sampling circuit, a comparison control unit, a switching driving unit and an RL switching circuit, the AC power supply input unit is connected with the voltage division sampling circuit, the voltage division sampling circuit is further connected with the comparison control unit, the comparison control unit is further connected with the switching driving unit, the switching driving unit is further connected with the RL switching circuit, and the AC power supply input unit is further connected with the RL switching circuit. According to the AC input automatic switching system of the high-power linear power supply, the voltage level can be automatically identified, and then automatic switching is achieved; according to the invention, two requirements of large current and automatic control can be met.

This invention proposes an automatic PCIe pattern switching system and method. The system includes a control module, a timer, a switching chip, a crystal oscillator module, and a PCIe device. The signal output terminal of the control module is connected to the input terminal of the timer, controlling the timer to continuously output level signals at preset intervals. The crystal oscillator module outputs differential signals at preset frequencies. The output terminals of both the timer and the crystal oscillator module are connected to the input terminal of the switching chip. The switching chip connects the differential signals at preset frequencies to the PCIe device via a connector. The PCIe device performs pattern switching based on the received differential signals at preset intervals. The preset interval is a 1ms level signal, and the differential clock signal is a 100MHz differential clock signal. Based on this system, an automatic PCIe pattern switching method is also proposed. This invention achieves automatic PCIe pattern switching in a simple and easy-to-operate manner.

The invention belongs to the field of intelligent control of high-frequency switching power supplies, and relates to an intelligent high-reliability communication power supply device. The device comprises a novel high-frequency switching power supply acquisition gateway. The novel acquisition gateway for the high-frequency switching power supply comprises a data acquisition module, an edge calculation module, a protocol conversion module, a communication module and a power supply module, according to the technical scheme provided by the invention, aiming at the defects of insufficient data acquisition dimension, lack of edge analysis capability, poor protocol compatibility and insufficient real-time performance of the existing power supply double-path switching system, the reliability of the high-frequency switching power supply for communication is improved through cooperative work of the novel acquisition gateway and the high-reliability double-power-supply automatic switching system.

The application relates to a collimator switching device and a collimator automatic switching system. The collimator switching device comprises a robot side connecting mechanism, a tool side connecting mechanism and a locking mechanism; the tool side connecting mechanism comprises a first connecting assembly and a second connecting assembly, the first connecting assembly is used for being connected with a first collimator, and the second connecting assembly is used for being connected with a second collimator; the locking mechanism comprises a locking head assembly and a locking hole, the locking head assembly is installed on the robot side connecting mechanism, the locking hole is arranged on the tool side connecting mechanism, and the locking head assembly and the locking hole are matched and used for locking and positioning the robot side connecting mechanism and the tool side connecting mechanism. The application can integrate two collimators in the same radiotherapy system, realizes seamless switching of the two collimators, overcomes the limitation of independent switching of different modules in the prior art, improves the feasibility of a mixed irradiation strategy of a complex case, and significantly improves the treatment efficiency.

The application discloses an OLT-based serial port automatic switching system and method, and relates to the technical field of communication. The system comprises a modular connector, a serial port switching control module, a CPU chip and a PON chip. The CPU chip and the PON chip are respectively connected with the serial port connection control module, and the serial port switching control module is connected with the modular connector. The CPU chip is connected with the modular connector to establish a communication connection. The CPU chip and the PON chip are provided with a baud rate. The serial port switching control module detects the baud rate of the information sent by the modular connector. According to the detected baud rate, the serial port switching control module selects the serial port of the corresponding CPU chip or PON chip to switch, and establishes a communication connection between the switched CPU chip or PON chip and the modular connector. The system and method provided by the application can realize the automatic switching of multiple serial ports and ensure the normal use of OLT equipment.

The utility model discloses a water treatment self-switching system and a heading machine, which comprise a water supply pipeline respectively communicated with a tunnel water inlet and a heading machine water inlet, and two filtering components arranged on the water supply pipeline in parallel and used for being connected with a drain outlet, the detection control assembly is arranged on the water supply pipeline, electrically connected with the two filtering assemblies respectively and used for detecting the pressure difference of the two ends of the filtering assemblies on the water supply pipeline or the water supply flow of the water supply pipeline so as to control the water flowing conditions in the two filtering assemblies respectively according to the pressure difference or the water supply flow; therefore, normal water supply or self-cleaning water supply is realized; through cooperation of the water supply pipeline, the two filtering assemblies and the detection control assembly, automatic switching of two water treatment modes of normal water supply and self-cleaning water supply is achieved, compared with the prior art, the automation degree is high, the filtering effect is good, the water supply capacity is high, the water treatment requirement of long-term operation of the heading machine can be met, practicability is high, and popularization is easy. The method is suitable for wide popularization and application.

The utility model discloses a card reader device and automatic switching system based on RS485 and Wiegand double agreement, include: card reader and circuit board, the card reader is composed by bottom shell and top shell, bottom shell and top shell are detachable connection, so as to facilitate installation or disassembly, be equipped with the accommodation cavity in bottom shell, the circuit board is located in the accommodation cavity, be equipped with screen, a plurality of buttons and card swiping area on top shell, a plurality of buttons are equidistantly arranged, and screen, a plurality of buttons and card swiping area are connected with circuit board.

The invention relates to the technical field of medical equipment, and particularly discloses a telescopic stereotactic treatment head, a collimation cone automatic switching system and radiotherapy equipment, and the telescopic stereotactic treatment head comprises a radiation conversion target, a primary collimator, a multi-element collimator and two collimation cone assemblies which are sequentially arranged along a treatment beam irradiation path. The collimation cone assembly comprises a plurality of collimation cones, a collimation cone tray, a switching assembly and a telescopic assembly, the plurality of collimation cones are installed on the collimation cone tray, the collimation cone tray is in transmission connection with the switching assembly, and the switching assembly is used for enabling one of the first collimation cones to be aligned with the multi-element collimator; the collimation cone tray is further in transmission connection with a telescopic assembly, and the telescopic assembly is used for adjusting the longitudinal distance between the first collimation cone and the multi-element collimator so as to adjust the effective irradiation field size. According to the invention, automatic loading and rapid switching of the collimating cones can be completed according to a treatment scheme, various different radiotherapy modes are considered, and the treatment efficiency is improved.

The invention discloses a comprehensive detection system for a converter power module for rail transit. The comprehensive detection system comprises a high-voltage direct-current power supply system, an inductive load, an automatic inductive gear switching system, a low-voltage logic test system, an energy feedback power supply system, a three-phase alternating-current power supply / low-voltage direct-current power supply system, a resistive load, an automatic resistive gear switching system and a measurement and control system, the output end of the high-voltage direct-current power supply system is connected with the input end of the first power module; the output end of the first power module is connected with an inductance load through an inductance gear automatic switching system; the output end of the three-phase alternating-current power supply / low-voltage direct-current power supply system is connected with the input end of the second power module; the output end of the second power module is connected with a resistive load through a resistance gear automatic switching system; the measurement and control system is connected with the first power module and the second power module; two ends of the energy feedback power supply system are respectively connected with the first power module and the power supply. The system has the advantages of good compatibility, low cost, rich test functions and the like.