40results about How to "Prevent Electrical Fires" patented technology

The invention discloses a safe power utilization management system and method based on edge calculation and big data analysis. The invention relates to the technical field of safe power utilization management application. The system comprises an electricity cloud platform, an edge computing gateway and an energy gateway circuit breaker, the power utilization cloud platform is in communication connection with the edge computing gateway to receive and process information of the edge computing gateway; the edge computing gateway is in communication connection with the energy gateway circuit breaker; the energy gateway circuit breaker is used as an acquisition terminal and a control device and is installed on a service entrance line of the power utilization unit. On the basis of the power Internet of Things, more comprehensive user power utilization related data can be obtained at a lower communication cost; data processing pressure of a cloud platform is effectively shared by utilizing anedge computing technology, big data analysis is carried out on the basis of massive user power utilization data, auxiliary decision support for reducing power utilization safety risks and improving power utilization efficiency is provided for users, various types of users are supported, and the requirement for real-time performance of power utilization monitoring is met.

The invention, which belongs to the field of electrical fire prevention, particularly relates to an intelligent management system of electric safety and a control method thereof. The management systemcomprises distribution line sensors, electrical fire monitoring terminals, a network server, a cloud server, a client, and a filter. In addition, the control method includes: step one, the electricalfire monitoring terminals collect operating parameters of a distributing line in real time by distribution line sensors; step two, according to the operating parameters collected by the distributionline sensors, analysis is carried out to obtain operation analysis data of the distribution line; step three, the network server carries out data classification and analysis on the operation analysisdata uploaded by all electrical fire monitoring terminals, power consumption safety information of the distribution line is obtained, and the information is transmitted to the cloud server in real time via the internet; and step four, the user terminal downloads the power consumption safety information in real time from the network server via the internet and displays the information for the user.

The invention discloses a low-voltage electric fire prevention and detection device, which mainly comprises at least one group of detection cables (10), a capacitor C and a multi-path intelligent detector (11), wherein each detection cable (10) consists of a heat-shrinkable bush (1), two metal wires (2) and an isolating plastic tube (3); the two metal wires (2) are arranged in the isolating plastic tube (3) side by side; a cavity (4) is reserved between the two metal wires (2); the isolating plastic tube (3) is wrapped by the heat-shrinkable bush (1); the multi-path intelligent detector (11) is connected to one end of each group of detection cables (10); and the other end of each group of detection cables (10) is connected with the capacitor C to form a loop to detect the quality of the detection cables (10). According to the low-voltage electric fire prevention and detection device, the heat-shrinkable bush with high cost performance is used as a heat sensor; the low-voltage electric fire prevention and detection device is suitable for fault detection of a low-voltage electric system; accurate detection of a fault point can be realized; and the low-voltage electric fire prevention and detection device has the advantages of low manufacturing cost, simplicity, easiness, safety, reliability and capability of effectively preventing occurrence of low-voltage electric fire.

The invention discloses a temperature protection system for a power distribution cabinet, and the system comprises a cabinet body. The top of the cabinet body is provided with a fire alarm, and the interior of the cabinet body is provided with a main switch, a central processor, and a display. The central processor is disposed at one side of the main switch, and the display is disposed at one sideof the central processor. One side of the main switch is connected with an incoming cable, and the bottom of the main switch is provided with a relay. The main switch is connected with a relay through a busbar, and one end of the relay is provided with an outgoing cable. The incoming cable, the outgoing cable, one side of the busbar, and the inner wall of the cabinet body are provided with temperature sensors. The whole system employs a temperature sensor, and employs a CPU to process and output the information and is connected to a main switch control loop of the power distribution cabinet in a parallel manner. There is no need to add excessive electrical circuits and accessories. The system protects the use safety of the power distribution cabinet, and avoids the electrical fire more effectively.

The invention relates to a fireproof intelligent circuit breaker for dynamic detection, static detection and zero cutoff, which is formed by electrically connecting an air circuit breaker connected in a three-phase load circuit and an intelligent control protection circuit, wherein the signal sampling end of the intelligent control protection circuit is connected to the three-phase load circuit, and the output end of the intelligent control protection circuit is connected to a tripping coil of the air circuit breaker through a microcomputer main control unit circuit; and the intelligent control protection circuit comprises a three-phase high-current split phase zero passage cutoff circuit, an inter-phase dynamic-static impedance detection and short-circuit protection circuit, a zero phase dynamic-static impedance detection and short-circuit protection circuit and a phase-ground dynamic-static impedance detection and leakage protection circuit. The fireproof intelligent circuit breaker solves the problem of three-phase high-current split phase zero passage cutoff, solves the problem of running dynamic impedance detection and protection problem of distribution and supply power grids, and eliminates the hidden danger of short circuit and electric leakage of the load end when a switch is not switched on.

The present invention relates to a bus insulating bracket with a self-repair function. The insulating bracket is installed at the upper and lower end parts of a busbar groove. The busbar groove comprises a top plate, a side plate and a busbar. Heat radiation fins are manufactured at the side plate. The bus insulating bracket is characterized in that the insulating bracket is a composite insulating bracket, and a rubber spring is inserted in the insulating bracket and is provided with a reinforcing block at the forced part of the busbar. According to the insulating bracket of the bus groove, the rubber spring is inserted in an insulating plastic, the upper, left and right sides of the rubber spring are provided with reinforcing stripes, the deformation of a repair busbar in use can be buffered, at the same time the accuracy of busbar installation can be improved, the short circuit accident generated by the deviation of the busbar is avoided, and the electrical fire caused by electricity leakage can be prevented too.

The invention relates to a fault arc monitoring circuit and a smart socket. The fault arc monitoring circuit comprises a current acquisition circuit, a voltage acquisition circuit and an AD circuit; the current acquisition circuit comprises a Hall effect current sensor and an operational amplifier circuit, and the Hall effect current sensor is connected with a live wire L of 220V electric supply in series; the voltage acquisition circuit comprises a voltage division circuit and a signal biasing circuit; the AD circuit comprises an analog-to-digital conversion chip, and the output terminals ofthe current acquisition circuit and the voltage acquisition circuit are respectively connected with two channels of the analog-to-digital conversion chip; and the analog-to-digital conversion chip isconnected with a smart socket microcontroller by virtue of a single SDO mode or double SDO mode of a serial peripheral interface (SPI). The fault arc monitoring circuit provided by the invention can achieve a fault arc monitoring function and a power metering function of the smart socket, so that functions of the smart socket are powerfully expanded, and the smart socket transforms into a family electrical monitoring complex from a metering and on-off control type device.

The embodiment of the invention discloses electric fire monitoring equipment and a monitoring method thereof. The monitoring equipment comprises an information acquisition unit, a monitoring unit and a warning unit, wherein the information acquisition unit is connected with an electricity utilizing circuit and used for acquiring the current, the voltage and the leak current of the electricity utilizing circuit; the monitoring unit is arranged between the electricity utilizing circuit and a power supply and is used for keeping or breaking connection between the electricity utilizing circuit and the power supply according to the comparison results of the current, the voltage and the leak current of the electricity utilizing circuit with corresponding preset thresholds and generating corresponding current warning signals, voltage warning signals and leak current warning signals; the warning unit is used for generating system warning signals according to the current warning signals, the voltage warning signals and the leak current warning signals. Electric fires can be prevented, and the electricity utilization safety is improved.

The invention discloses a household electricity safety digital management system which comprises a current acquisition module, a voltage acquisition module, a temperature and humidity acquisition module, an electric leakage acquisition module, a control module, a switching value acquisition module, an alarm module, a power module, a wireless communication module, a human-computer interface module and a mobile terminal; the current acquisition module, the voltage acquisition module and the electric leakage acquisition module respectively acquire current, voltage and electric leakage information of equipment, and transmit to the control module; a switching signal acquired by the switching value acquisition module is transmitted to the control module, and the control module transmits the acquired data information to the human-computer interface module and the mobile terminal respectively. The current, the voltage and the electric leakage information of electric equipment are acquired in real time, meanwhile, a user remotely monitors through a communication network, the household electricity safety digital management system has the characteristics of simple circuit, convenience in operation and strong usability, an electrical fire is avoided as soon as possible, and the personnel casualties and the property loss are reduced.

The invention relates to a movable quick-repair vehicle provided with a vehicle paint quick-repair integrated cabinet and having a side face capable of extending to form an operating room. One side plate of a compartment can be lifted open along a compartment top plate to form a wing-opened side door, the inner wall of the wing-opened side door is provided with a shed frame capable of outwards extending, a shielding curtain is arranged on the shed frame, the integrate cabinet is arranged in the compartment, and at least one cabinet chamber of the integrated cabinet is provided with a guide rail and an adjustable baffle which can be fixed to the guide rail. A drawer is arranged in at least one cabinet chamber, and a partition plate is arranged in the drawer. When the movable quick-repair vehicle arrives at a predetermined place, the side face of the compartment can rapidly extend to form the operating room. The operating room formed by the extending side face of the compartment of the movable quick-repair vehicle can block sand blown by the wind and shelter rain and the sun, a relatively independent operating space is formed in the operating room, the compartment of the movable quick-repair vehicle can be proof to fire and resistant to flame and has good safety performance. In addition, the integrated cabinet can be proof to fire and resistant to flame, and tools and devices areconvenient to take and use and firm in fixation.

The invention relates to a movable quick-repair vehicle provided with a bidirectional integrated cabinet and having a side face capable of extending to form an operating room. One side plate of a compartment can be lifted open along a compartment top plate to form a wing-opened side door, the inner wall of the wing-opened side door is provided with a shed frame capable of outwards extending, a shielding curtain is arranged on the shed frame, the integrate cabinet is arranged in the compartment, a partition plate is arranged in the middle of the bidirectional integrated cabinet and divides a cabinet body into a front cabinet body and a rear cabinet body, and at least one cabinet chamber of the bidirectional integrated cabinet is provided with a guide rail and an adjustable baffle which canbe fixed to the guide rail. A drawer is arranged in at least one cabinet chamber. When the movable quick-repair vehicle arrives at a predetermined place, the side face of the compartment can rapidly extend to form the operating room. The operating room can block sand blown by the wind and shelter rain and the sun, a relatively independent operating space is formed in the operating room, the compartment of the movable quick-repair vehicle can be proof to fire and resistant to flame and has good safety performance. In addition, the bidirectional integrated cabinet can be proof to fire and resistant to flame, and tools and devices are convenient to take and use and firm in fixation.

The invention discloses a cooling mechanism of a cooling tower. The mechanism comprises a cooling pipe vertically arranged and a screw arranged in the cooling pipe, the periphery of the screw is provided with a blade which winds the screw and is spirally upward, the outer edge of the blade is tangent with the inner wall of the cooling pipe, the lower end of the cooling pipe is used for communicating with a water pump, a water outlet pipe communicates with the upper end of the cooling pipe, the upper end of the screw is connected with the fan blade, the screw can be driven by the water flow to rotate synchronously together with the fan blade, and the fan blade rotates to be capable of driving the air flow to flow upwards. The heat exchange effect is improved, the noise generated by a transmission system is removed, a fan motor does not exist, in running, happening of electrical fire disasters is absolutely avoided, and the safety and stability are achieved. The invention further discloses the cooling tower with the cooling mechanism.

The invention discloses a management and control method of a low-voltage IT power supply and consumption system. The management and control method comprises the following steps: monitoring the voltageof each phase line to ground and the voltage of a neutral point to ground, and judging whether phase line grounding or neutral point grounding occurs or not according to the voltage of each phase line to ground and the voltage to ground of the neutral point; and if phase line grounding or neutral point grounding occurs, switching on a corresponding grounding action device at a power supply side,and enabling the phase line or the neutral point which is grounded to be short-circuited to the ground in order to make leakage current flow into the ground through the grounding action device. According to the method, when the load side grounding leakage current of the safety power supply exceeds the safety current, the current of the grounding point is limited, so that personal injury, electrical fire and the like are avoided. The invention further discloses a management and control device and system of the low-voltage IT power supply and consumption system, and a computer readable storage medium, which all have the above technical effects.

The present invention relates to a novel electric leakage and arc fault integrated protection device. The device comprises a current transformer, a residual current transformer, a release, a power source, an EAMCU processing control module, a fault arc data storage module, a residual current collection module, a current collection module and a voltage collection module. The release is connected with a switch, the release is further connected with the EAMCU processing control module, the fault arc data storage module, the residual current collection module, the current collection module and thevoltage collection module are connected with the EAMCU processing control module, and each module mentioned above is supplied with power by the power source, and the fault arc data storage module isconfigured to store features of the fault arc; and the current transformer and the residual current transformer are arranged in a load circuit. The novel electric leakage and arc fault integrated protection device is a novel electrical fireproofing product capable of effectively identifying the arc faults and implementing protection for a distribution circuit to avoid electrical fire generation atpresent.

The invention provides a safety monitoring system of an electrical system of a passenger train and the passenger train. The invention provides the safety monitoring system for the electrical system of the passenger train, and the system comprises a plurality of groups of sensors which are respectively disposed on each electrical circuit of the passenger train; multiple controllers, wherein each controller is arranged in the carriage of the corresponding passenger car, and each controller is electrically connected with the multiple sensors; a safety monitoring device in communication connection with the controllers; and a mobile terminal in communication connection with the controllers. According to the safety monitoring system of the electrical system of the passenger train, the electrical circuit of the passenger train can be automatically detected in real time, hidden dangers can be timely found and processed, electrical fires can be effectively avoided, the electrical system is maintained in a state based on prediction from regular verification, therefore, the good operation rate of electrical equipment is improved, and the personal safety of passengers, drivers and passengers can be better guaranteed.