66 results about "Emergency unit" patented technology

Systems and methods for managing service calls using automatic agents to process incoming calls to streamline the performance of telephonic service providers. Automatic call management systems screen inbound calls to use call identification markers to identify high priority calls and to deprioritize nuisance calls. Emergency response units may be dispatched as soon as sufficient information has been obtained even before the call has been fully processed with additional details being communicated to the emergency unit in transit. Retrofittable automatic caller interfaces may be added onto existing telephonic service providers.

The invention relates to the field of combat command and dispatch, in particular to a multistage linkage combat unit command and dispatch system. According to the invention, a basic-level minimum emergency unit element information base is constructed through a data acquisition module; generating an electronic map supporting 2D and 3D switching; an intelligent analysis early warning module identifies abnormal conditions and generates early warning information; a plurality of multi-level linkage combat unit topology networks are generated through the multi-level linkage command architecture module; generating a command data large screen for dynamically aggregating public security indexes and a global situation visualization electronic map through a global situation visualization module; an early warning area is circled and selected through the intelligent scheduling module; and associating the corresponding multi-stage linkage combat unit to generate a deployment instruction. According to the multi-level linkage combat unit command and dispatch system provided by the invention, the multi-level linkage combat unit is effectively combined with a dynamic visual geographical environment from data acquisition, analysis and early warning to command and dispatch through cooperation of multiple modules, so that the command and dispatch efficiency is remarkably improved.

The invention relates to the technical field of satellite positioning, and discloses an emergency rescue method and system based on satellite positioning, and the method comprises the steps: obtaining the real-time information of a region and the function information of an emergency unit, dispatching a satellite to carry out image collection and signal linkage, analyzing a satellite image and signal data, and constructing an emergency rescue real-time model; a multi-search scheme is formulated according to the model and issued to each emergency rescue unit, search work is executed, the rescue scheme is dynamically adjusted according to feedback information, and a cyclic execution mechanism is formed. According to the method, real-time and accurate data support is provided through the satellite technology, the efficiency, accuracy and strain capacity of emergency rescue are improved, and the rescue efficiency is improved. Rapid and effective disaster area rescue is ensured, and the problem of poor linkage between a satellite and a ground unit in emergency rescue in the prior art is solved.

The utility model provides a fire-fighting module and a fire-fighting system, which belong to the technical field of fire-fighting safety and comprise a storage unit, a release pipeline and a pneumatic pipeline. Compressed gas and a fire extinguishing agent are stored in the storage unit, a pneumatic on-off valve is arranged on the storage unit, the release pipeline is used for releasing the fire extinguishing agent, the pneumatic on-off valve is provided with a fire extinguishing agent discharge port communicated with the release pipeline, and the fire extinguishing agent discharge port discharges the compressed gas and the fire extinguishing agent in the storage unit to the release pipeline; the pneumatic pipeline is used for driving the pneumatic on-off valve to be opened, and the pneumatic on-off valve is provided with an air source connector communicated with the pneumatic pipeline so as to receive driving air of the pneumatic pipeline. According to the utility model, when the starting air source cannot work normally, the compressed air in the emergency unit can enter the pneumatic pipeline only by manually opening the pneumatic on-off valve on the emergency unit, so that other storage units are driven to be opened. Other storage units do not need to be opened one by one in a manual mode, fire extinguishing time is met, and the fire extinguishing effect is guaranteed.

The invention relates to a monitoring system of a low-frequency load shedding device, which is applied to the field of power supply or power distribution, and comprises a device body, an execution mechanism arranged in the device body, a DSP (Digital Signal Processor) operation processing unit carried in the device body and double sets of redundant links connected with the device body, by adopting the arrangement of double sets of redundant link data acquisition units, a scheduling regulation feedback unit, a reserved re-verification unit, a prediction scheduling emergency unit and a load regulation emergency recovery unit, the fusion of multi-source information can be promoted in the application process of the monitoring system, on one hand, the intermittency and volatility of new energy are predicted and applied, and on the other hand, the integration of the multi-source information is facilitated; on the other hand, data can be re-verified after load regulation and control, data errors caused by previous-stage actions are reduced, false actions of the device body are reduced, effectiveness and safety of load cutting of the device body are guaranteed, and monitoring accuracy and stability of the monitoring system on power grid frequency data are effectively improved; and the phenomenon of mistaken cutting or missing cutting is avoided.

The application relates to a monitoring system of a low-frequency load shedding device applied to the power supply or power distribution field, which comprises a device body, an executing mechanism arranged in the device body, a DSP operation processing unit carried in the device body and double-set redundant links connected with the device body, adopts the setting of a double-set redundant link data acquisition unit, a scheduling control feedback unit, a reserved re-verification unit, a prediction scheduling emergency unit and a load control emergency recovery unit, can promote the fusion of multi-source information in the application process of the monitoring system, can predict and apply the intermittence and fluctuation of new energy on one hand, can re-verify the data after load control on the other hand, reduces the data error generated due to the previous action, reduces the misoperation of the device body, guarantees the effectiveness and safety of the load shedding of the device body, effectively improves the monitoring accuracy and stability of the monitoring system on the power grid frequency data, and avoids the misoperation or missed operation phenomenon.

The invention relates to the technical field of hot-line work robots, in particular to a hot-line work robot control topology based on multi-power-supply dynamic switching. The energy storage battery unit is used for supplying power to the hot-line work robot and carrying out electric quantity early warning; the control conversion unit monitors the electric quantity state of the energy storage battery and the multi-power-supply system in real time, controls switching of power supplies and carries out allocation of multi-power-supply input. The remote control unit receives state information of the energy storage battery monitoring unit and the control conversion unit in real time; and when the original power supply fails, the emergency unit executes a command of switching the power supply according to the signal sent by the remote control unit. Based on a real-time scheduling algorithm, cooperative control over multiple power supplies (diesel generator power supply / alternating current charging port power supply / 48V generator power supply) is achieved, the power supply switching time is smaller than or equal to 5 ms (90% higher than that in the prior art), and the power supply interruption rate is reduced to 0.2%.

The present invention relates to the technical field of aircraft, and particularly to a redundant hydraulic control system for an aircraft landing gear. To solve the problem of the emergency risk that the hydraulic retraction and extension system cannot operate due to drive failure, the technical solution of the present invention includes a hydraulic drive unit, a fuel tank, a directional control valve, a landing gear actuator, and a pneumatic emergency unit; the outlet of the hydraulic pump is connected to the first port of the directional control valve; the landing gear actuator has a lowering chamber and a retracting chamber; both the lowering chamber and the retracting chamber are connected to the directional control valve; the pneumatic emergency unit includes a gas cylinder, a switch valve, a shuttle valve, and a pneumatically controlled check valve; the shuttle valve has a first shuttle valve inlet, a second shuttle valve inlet, and a shuttle valve outlet, the gas cylinder is connected to the first shuttle valve inlet through the switch valve, the second shuttle valve inlet is connected to the second port of the directional control valve, and the shuttle valve outlet is connected to the lowering chamber; the pneumatically controlled check valve is connected to the end of the switch valve away from the gas cylinder, and the pneumatically controlled check valve is connected to the retracting chamber.

This invention relates to the field of intelligent medical device technology, and more particularly to a portable intelligent medicine box with an emergency alarm function. The medicine box includes a main body, a medicine compartment assembly, a display and operation module, an emergency unit, a control system, and a power module. The main body comprises a lower shell and an upper cover, the upper cover being hinged to the lower shell for opening and closing, and positioned by a locking structure when closed. The upper cover is equipped with a portable grip component. The medicine compartment assembly is arranged in a 2x3 matrix within the lower shell, containing six independent medicine compartment units. Each medicine compartment unit is equipped with an openable and closable unit cover and a drug-related identifier. The display and operation module is correspondingly adapted to the medicine compartment assembly. The emergency unit is independently located within the lower shell. The control system and power module are electrically connected to the medicine compartment assembly, the display and operation module, and the emergency unit, respectively. This invention improves safety management and rapid response to emergencies through multi-sensor reminders, QR code binding, anti-accidental touch emergency alarms, and modular low-power design.

The invention discloses an intelligent rapid emergency power supply system for monitoring a high-voltage short-circuit fault based on a symbol method, and relates to the technical field of power supply. The system comprises a power supply module, a monitoring module located at the input end of the power supply module and a control module connected with the power supply module and the monitoring module, and the power supply module comprises a commercial power direct transmission unit, an abnormity emergency unit and an energy storage unit which are connected in parallel. The monitoring module comprises a first intelligent recognition unit arranged on an A-phase power line, a second intelligent recognition unit arranged on a B-phase power line and a third intelligent recognition unit arranged on a C-phase power line; the monitoring module can capture characteristic information which suddenly appears on each phase of power line at the short circuit moment of the high-voltage power grid, the control module can switch the power supply mode of the output end of the power supply module according to the characteristic information, the switching time is less than 0.01 millisecond, and the power supply mode comprises a commercial power supply mode, an emergency power supply mode and an energy storage power supply mode. By adopting the system provided by the invention, uninterrupted power supply can be ensured, and the safety and reliability are improved.

The invention discloses a pulse width modulation low-power output circuit of an emergency unit for detecting a conventional power supply without a light modulation wire, which comprises an LED emergency driving power supply, a waveform detection module, a control module and a lamp, and is characterized in that the LED emergency driving power supply is used for detecting whether the mains supply is abnormal or not and outputting a direct-current voltage when the mains supply is abnormal; the waveform detection module is used for detecting the waveform of the voltage and transmitting a waveform signal to the control module, the control module receives the waveform signal and adjusts the power of the lamp according to the waveform signal, if the commercial power is abnormal, the waveform detection module detects the DC voltage and transmits the waveform signal to the control module, and the control module reduces the power of the lamp after receiving the waveform signal.

The application discloses an intelligent indwelling needle puncture robot under ultrasonic guidance and a system thereof, and belongs to the field of medical instruments, and comprises a multi-degree-of-freedom mechanical arm system, a high-definition ultrasonic imaging module, a central processing and control unit, a man-machine interaction interface and a safety monitoring and emergency unit; the multi-degree-of-freedom mechanical arm system comprises a probe control mechanical arm and a puncture execution mechanical arm, and the probe control mechanical arm is used for clamping and adjusting the position and posture of an ultrasonic probe; the application is characterized in that the high-definition ultrasonic imaging module is used for optimizing the image, an AI blood vessel recognition and segmentation module is combined to accurately recognize the blood vessel and obtain relevant parameters, an intelligent path planning module is used for planning an optimal path for avoiding dangerous areas, and the multi-degree-of-freedom mechanical arm system is used for fine operation, so that the problem of insufficient accuracy caused by poor blood vessel conditions in manual puncture is effectively solved, the probability of repeated puncture is reduced, and complications such as blood vessel injury and hematoma are reduced.

The invention relates to the technical field of plate treatment, and discloses a high-strength sound-insulation environment-friendly honeycomb aluminum wallboard and a preparation method thereof.The high-strength sound-insulation environment-friendly honeycomb aluminum wallboard comprises a transportation unit, a plurality of clamping units are fixedly connected into the transportation unit, a paint spraying unit is fixedly arranged on the side face of the front end of the transportation unit, and an emergency unit is fixedly arranged at the bottom end of the paint spraying unit; a glue scraping unit is fixedly arranged on the side face of the rear end of the conveying unit, the conveying unit comprises a conveying motor, the output end of the conveying motor is fixedly connected with a conveying rotary disc, and three shifting plates are evenly and fixedly arranged at the inner side end of the conveying rotary disc. The aluminum plate can be kept stable in the paint spraying process, the deviation condition is avoided, the paint spraying process can be accurate and smooth, and the problem that the aluminum alloy plate is unstable or deviates in the coating process is solved.

The invention discloses a mobile emergency unit cluster intelligent management method and device based on the Internet of Things, and the method comprises the steps: collecting vehicle and equipment perception data, carrying out the preprocessing, and generating a multi-source data set; based on multi-source data modeling task gravitation, road damping and space mutual exclusion, a response dynamic field is constructed; inputting a time sequence prediction model generation result, calculating a risk influence, and constructing a causal chain and a prediction sequence; generating an event chain causal force field, and fusing the response dynamic field to form a global behavior driving field; constructing a plurality of behavior projectors, executing synchronous scene deduction, and generating a future behavior prediction result; and calculating a comprehensive score, selecting an optimal behavior scheme, issuing a scheduling instruction and controlling an execution action. According to the invention, through fusion of multi-source Internet of Things data, the time sequence prediction model and cluster behavior deduction, intelligent, foresight and collaborative and efficient scheduling management of the mobile first-aid unit is realized.

The invention provides an emergency rescue data acquisition system and method suitable for underground engineering, and relates to the technical field of data acquisition, and the method comprises the steps: carrying out the fuzzy evaluation of the reliability of the execution of an acquisition process according to the dependency relationship of data between adjacent emergency units in the acquisition process, and obtaining the fuzzy credibility of the execution of the acquisition process; determining the dynamic priority of the emergency units in the emergency rescue data acquisition process through the connection parameters of the acquisition tasks between the adjacent emergency units and the environmental perception data volume of each emergency unit, and determining the redundancy loss of data acquisition resource overhead when the acquisition process is executed according to the dynamic priority and the cooperative complexity between the acquisition tasks; according to the method, collaborative constraint is carried out on the data acquisition parameters of the acquisition process through fuzzy credibility and redundancy loss, then the acquisition process is adjusted, data acquisition is carried out, collaborative optimization of the acquisition parameters in the emergency rescue data acquisition process can be realized, and thus the confidence coefficient of engineering emergency rescue data acquisition in a complex environment is improved.

This invention discloses an emergency descent hydraulic control system, control method, and aerial work platform to improve emergency safety assurance for aerial work platforms. The hydraulic control system includes an emergency descent valve, a main valve, a gravity descent valve, an actuator assembly, a power source, and auxiliary devices. The power source consists of a main power source and an emergency unit. The outlet of the main power source is connected to the inlet of the main valve, and the outlet of the emergency unit is connected to the inlet of the emergency descent valve. The outlet of the emergency descent valve is connected to the inlet of the main valve, the outlet of the emergency descent valve is connected to the suction port of the gravity descent valve, and the second outlet of the main valve is connected to the inlet of the gravity descent valve. This system ensures the safe descent of personnel to the ground even in cases of valve core jamming, power source damage, or complete vehicle battery depletion.

The utility model provides an energy storage type elevator energy-saving emergency system which comprises a cabinet body, an energy-saving unit and an emergency unit, the energy-saving unit and the emergency unit are arranged in the cabinet body, the energy-saving unit comprises a battery pack and a bidirectional DC / DC which are electrically connected with each other, the bidirectional DC / DC is electrically connected to an elevator control system, and the emergency unit comprises an inverter and a contactor which are electrically connected. The inverter is electrically connected between the bidirectional DC / DC and an elevator control system, an electric appliance bin and a battery bin are arranged in the cabinet body, the electric appliance bin is arranged at the upper end of the cabinet body, the battery bin is arranged at the lower end of the cabinet body, the bidirectional DC / DC, the inverter and the contactor are all arranged in the electric appliance bin, and the battery pack is installed in the battery bin. According to the energy storage type elevator energy-saving emergency system, the battery pack with the large weight is arranged in the battery bin at the lower end of the cabinet body, the electric appliance element with the small weight is arranged in the electric appliance bin at the upper end of the cabinet body, the gravity center of the energy storage type elevator energy-saving emergency system is low, and therefore the energy storage type elevator energy-saving emergency system is prevented from toppling over in the using process, and the using safety is improved.

A photovoltaic system (1) comprising an inverter unit (2) adapted to convert an electrical direct current (DC) power generated by photovoltaic modules (3) into an electrical alternating current (AC) power supplied via AC lines (5) and a smart meter (8) of the photovoltaic system (1) to a power supply grid PSG (11) characterized by an emergency unit (6) having a controller (6A) adapted to open an emergency switch (7) to automatically disconnect the photovoltaic system (1) from the power supply grid PSG (11) if a power supply grid failure is detected and adapted to notify a current switching state of the emergency switch (7) by means of power line communication (PLC) communication via the AC lines (5) to a controller of the inverter unit (2).

This application belongs to the field of medical data processing technology and discloses a method and device for integrating measurement data from an operating table. The method includes: acquiring patient physiological data collected by multiple sensors on the operating table and preprocessing it to obtain preprocessed physiological data; dividing the preprocessed physiological data into key physiological data and non-key physiological data; monitoring the network status information of the wireless network, and dynamically adjusting the allocated bandwidth of key physiological data and non-key physiological data according to the network status information, the amount of data of key physiological data, and the amount of data of non-key physiological data to obtain a bandwidth allocation scheme; determining the data transmission strategy of key physiological data and non-key physiological data according to the bandwidth allocation scheme; and transmitting data to a remote medical center according to the data transmission strategy. Thus, in the mobile emergency unit environment with limited and unstable network bandwidth, the data transmission strategy can be dynamically adjusted to ensure the real-time performance and reliability of key physiological data transmission.

The invention provides a ship LNG dual-fuel ventilation system and a control method thereof. The ship LNG dual-fuel ventilation system comprises an air brake room isolation unit, a mechanical air supply module, a natural exhaust channel, a dynamic pressure management system and a fault emergency unit. The air brake isolation unit is arranged in a transition area between an LNG fuel cabin and a cabin, and the physical isolation structure of the air brake isolation unit conforms to the IGF Code standard. The mechanical air supply module comprises a main fan and a standby fan which are arranged in parallel, and is provided with a main power supply and an emergency power supply of a double-circuit power supply interface connection system; the natural exhaust channel is provided with an explosion-proof gravity baffle and a fireproof air brake; the dynamic pressure management system comprises a pressure sensor, a flow switch and a controller, and the positive pressure value between air brakes is maintained to be larger than or equal to 50 Pa in real time. The fault emergency unit comprises a power supply monitoring module and a fan switching actuator. According to the technical scheme, through multi-stage control logic, two-way redundancy power supply and intelligent pressure management, the problems that a traditional LNG ship ventilation system is insufficient in dynamic pressure control, weak in redundancy design and lagged in emergency response can be solved.

The utility model relates to a nuclear power plant fault emergency guarantee device comprising a communication interface unit used for connecting a telephone network system; two communication service units; the converged communication unit comprises a first control unit connected with the two communication service units and a first audio processing unit connected with the first control unit; and the fault emergency unit is connected with the first control unit, the first audio processing unit and the communication interface unit. The emergency voice communication link can be established when the converged communication unit or the two communication service units fail, so that the situation that each system of the nuclear power plant misses the optimal abnormal processing opportunity due to communication function loss is reduced, and the safety of the nuclear power plant is improved.

A photovoltaic system (1) includes an inverter unit (2) adapted to convert an electrical direct current (DC) power generated by photovoltaic modules (3) into an electrical alternating current (AC) power supplied via AC lines (5), and a smart meter (8) connected to a power supply grid PSG (11). The system further include an emergency unit (6) having a controller (6A) adapted: a) to open an emergency switch (7) to automatically disconnect the photovoltaic system (1) from the power supply grid PSG (11) if a power supply grid failure is detected; and b) to notify a current switching state of the emergency switch (7) by means of power line communication (PLC) communication via the AC lines (5) to a controller of the inverter unit (2).

The invention relates to the technical field of scheduling data processing, in particular to an intelligent emergency command and scheduling system based on multi-modal data, which comprises a data storage module, a data processing module, a data processing module, a data processing module and a data processing module, wherein the data storage module is used for acquiring information data of each minimum emergency unit; the emergency management system comprises an emergency management module, a mapping module used for acquiring a to-be-managed map, an identification module used for dividing the to-be-managed map into a plurality of to-be-managed areas and identifying key management areas in the to-be-managed areas, a cruise module used for automatic cruise guarding, an early warning module and an association module. The resources in the to-be-managed area are scheduled, and the scheduling efficiency is improved.

The application discloses an emergency unit for slice emergency scanning and a scanning device, and relates to the technical field of digital pathology. The emergency unit for slice emergency scanning comprises a base, a fixing assembly and a detection assembly. The fixing assembly is movably installed on the base and can switch between a first feeding and discharging position and a second feeding and discharging position. The fixing assembly is used for fixing the slice for emergency scanning. The detection assembly is installed on the base and is used for detecting whether the fixing assembly is in the second feeding and discharging position. The detection assembly is also installed on the base and is used for detecting whether the fixing assembly has the slice. The designed emergency unit can efficiently process the emergency slice priority scanning requirement.

The utility model discloses a power cable laying structure comprising a heat insulation plate, two ends of the heat insulation plate are provided with mounting supports, and the upper side and the lower side of the heat insulation plate are provided with a plurality of fixing buckles; an emergency part is arranged on the mounting bracket on one side; the fixing buckle comprises a first fixing ring and a second fixing ring. According to the utility model, the fixing buckles on the upper side and the lower side of the heat insulation plate are used for laying the power cable and the control cable respectively, so that the power cable and the control cable can be laid in a layered manner, and the emergency part is additionally arranged between the two layered structures and is used for isolating and reducing the fire influence, further detecting the fire point and actively extinguishing the fire; the cable temperature and abnormal conditions can be obtained through the trigger unit arranged on the storage tank, and when a fire occurs, the fire extinguishing materials in the storage tank can be extracted by starting the air supply valve and are discharged through the spray holes to act on the cable, so that the effects of extinguishing the fire and preventing the fire from spreading are achieved.

The utility model discloses a hydraulic control system of an elevator, which comprises a plunger cylinder, a motor pump set, an ascending control unit, a descending control unit and a manual emergency unit, and the ascending control unit comprises a first pressure compensation valve, a first proportional flow valve and a first one-way valve; the descending control unit comprises a second pressure compensation valve, a second proportional flow valve and a second one-way valve; the manual emergency unit comprises a manual pump set, a first overflow valve and a manual reversing valve, the manual pump set is connected with the plunger type cylinder, the manual reversing valve is connected with the plunger type cylinder, the first overflow valve is connected with the manual reversing valve, and the first overflow valve is communicated with the oil tank. Therefore, the running speed of the elevator cannot be changed along with the change of the load, and the proportional flow valve can regulate and control the running speed of the elevator; and by arranging the manual emergency unit, it can be guaranteed that the elevator safely ascends to the target position or descends to the target position in an emergency.

The invention belongs to the technical field of medical data processing, and discloses an operating bed measurement data integration method and device, and the method comprises the steps: obtaining patient physiological data collected by a plurality of sensors on an operating bed, and carrying out the preprocessing of the patient physiological data, and obtaining the preprocessed physiological data; dividing the preprocessed physiological data into key physiological data and non-key physiological data; monitoring the network state information of the wireless network, and dynamically adjusting the allocation bandwidth of the key physiological data and the non-key physiological data according to the network state information, the data volume of the key physiological data and the data volume of the non-key physiological data to obtain a bandwidth allocation scheme; determining a data transmission strategy of the key physiological data and the non-key physiological data according to the bandwidth allocation scheme; transmitting data to a remote medical center according to the data transmission strategy; therefore, in a mobile emergency unit environment with limited and unstable network bandwidth, the data transmission strategy can be dynamically adjusted, and the real-time performance and reliability of key physiological data transmission are ensured.

The application relates to the technical field of traffic safety, and discloses a special warning fence for an emergency lane of a viaduct, which comprises a device main body, lifting units are fixedly connected to the two sides of the middle part of the device main body, a turning-leaf unit is fixedly arranged at the top of the lifting unit, an emergency unit is fixedly arranged on the inner side of the device main body, a linkage unit is fixedly connected to the bottom end of the emergency unit, and a warning unit is fixedly connected to the top end of the device main body. Through the cooperation of the lifting unit and the turning-leaf unit, when an accident occurs, if a vehicle does not collide with the fence, the lifting unit is lowered through manual cylinder rotation, the surrounding fan blade is made horizontal at the same time, the driver's field of vision is expanded behind the turning position, the specific situation of the accident vehicle on the other side of the turning position can be found out, and the vehicle can be slowed down; if the vehicle collides with the fence, the lifting unit and the warning unit can be started to work through the emergency unit, the structure is simple, the problem of the dead angle of the driver's vision at the turning position is solved, and the problem of the maintenance and repair efficiency is solved.

To provide an in vitro or ex vivo method for determining the risk of developing a healthcare-associated infection in a patient.SOLUTION: The method comprises measuring the expression of CX3CR1 in a biological sample from the subject. The patient is a patient in a hospital, preferably in an emergency unit, resuscitation unit, intensive care unit or continuous care unit, more preferably a sepsis patient, burn patient, trauma patient, or surgery patient, and the biological sample is a blood sample. Expression is measured at the mRNA or protein level.SELECTED DRAWING: None

The application discloses an intelligent rapid emergency power supply system based on symbolic method for monitoring high-voltage short-circuit fault, and relates to the technical field of power supply.The system comprises a power supply module, a monitoring module located at the input end of the power supply module and a control module connected with the power supply module and the monitoring module respectively, the power supply module comprises a mains direct transmission unit, an abnormal emergency unit and an energy storage unit which are connected in parallel with each other, and the monitoring module comprises a first intelligent unit arranged on an A-phase power line, a second intelligent unit arranged on a B-phase power line and a third intelligent unit arranged on a C-phase power line; the monitoring module can capture characteristic information on the power lines of each phase at the moment of short-circuit instant of a high-voltage power grid, and the control module can switch the power supply mode of the output end of the power supply module according to the characteristic information, the switching time is less than 0.01 millisecond, and the power supply mode comprises a mains power supply mode, an emergency power supply mode and an energy storage power supply mode. By adopting the system, uninterrupted power supply can be ensured, and the safety and reliability are improved.