39results about How to "Prevent fire accidents" patented technology

The invention discloses an intelligent temperature-control electric heating pad, which belongs to the technical field of household appliances, and comprises an outer fabric, a pad body, heating portions, pressure sensors, a temperature controller and a power wire with a plug, wherein the pad body is sleeved in the outer fabric, the heating portions and the pressure sensors are fixedly mounted in the pad body, and the temperature controller is electrically connected with the pad body and the power wire with the plug. The intelligent temperature-control electric heating pad has the advantages that the temperature of the pad can be automatically maintained at the room temperature when a user leaves without switching off the pad, so that waiting time for reheating when the user comes backs is shortened, and the pad can automatically stop heating after the user leaves for a certain time, thereby being energy-saving and environment-friendly.

The invention relates to the field of low-voltage distribution equipment, in particular to a miniaturized intelligent online monitoring device for low-voltage distribution equipment. The intelligent online monitoring device comprises a sensor unit, a processor unit, a wireless transmission unit, a power management unit and a storage unit, wherein the processor unit is connected with the sensor unit, the wireless transmission unit, the power management unit and the storage unit separately; and the processor unit is connected with the sensor unit, receives running state information and carries out storage, management and processing operation. The invention further relates to a monitoring method for the low-voltage distribution equipment. Compared with the prior art, the miniaturized intelligent online monitoring device has the beneficial effects that the information, such as temperature of incoming and outgoing lines, line current and voltage and smoke of the low-voltage distribution equipment is monitored online in real time through a wireless Internet of things and a novel sensing technology, and real-time computational analysis is carried out, so that fault early warning of a low-voltage distribution system is achieved and a fire accident is completely eradicated.

The invention relates to a method and a device for detecting and processing firing phenomenon of a power line. The method comprises the following steps of detection: measuring the variation of the current of the power line or the variation of the voltage on the rear end of the power line by utilizing a sensing device; judgment: inputting the measurement values into a processor, processing the variation quantity of the current or the voltage of the power line through a microprocessor and the logic algorithm, judging whether the variation of the current or the voltage is caused by the firing or not; execution: immediately transmitting a control signal through the microprocessor if the firing phenomenon exists, controlling an execution element through a wire or in a wireless way to cut off the power line, and/or transmitting a signal for alarming the firing of the circuit; and continuing to run the power line if no firing phenomenon exists. Due to the adoption of the method and the device, the firing phenomenon can be detected in time before or at the moment when the firing occurs on the power line, the power supply of the circuit can be effectively cut off, and the fire accident caused by the firing of the power line can be prevented.

The present invention features that inside a pressure chamber, there is an air nozzle and a water nozzle near each other and connected via pipes to air source and water tank outside the chamber separately. The pressure chamber is preferably in the same air pressure as the water tank, and this is realized through a special pipe in between or by means of air hole in the chamber part of the water pipe between the water nozzle and the water tank. The present invention can maintain the required humidity and eliminate electrostatic producing fire in medical oxygen chamber, diving decompression chamber and other manned chamber.

The invention provides a washing bracket. The washing bracket comprises a bracket body, wherein a reversible protective cover is integrally formed on the bracket body and flexibly connected with the bracket body. The invention further relates to a control panel component adopting the washing bracket and a washing machine. The washing bracket is simple to form and mount, burning accidents of the washing machine due to the fact that wiring terminals of a washing timer strike sparks can be avoided, and harnesses connected with electrical pieces such as the washing timer and the like are neat to route and attractive in appearance.

The invention belongs to the technical field of lithium ion batteries and particularly relates to a lithium-ion secondary battery pole piece. The lithium-ion secondary battery pole piece comprises a current collector and an active substance layer coated on at least one surface of the current collector, wherein a surface of the active substance layer is coated with a porous insulating coating, theporous insulating coating comprises dopamine-coated inorganic particles and a first binder, a surface of the porous insulating coating is further coated with organic coating, and the organic coating is distributed in an island shape and/or a linear shape. The lithium-ion secondary battery pole piece solves a problem that the inorganic porous layer coated on the surface of the diaphragm affects theperformance of the battery, and further solves a safety problem caused by the expansion of the negative electrode in the cycle process.

The invention discloses an intelligent control method for living of a senior citizen. A human body temperature measurement module is used for measuring the body temperature of the senior citizen, and when the body temperature reaches a preset body temperature value, an alarm module makes an alarm sound; a positioning module is used for positioning the senior citizen, and the position of the senior citizen is converted into a positioning digital signal and transmitted to a main controller; the main controller controls a lamplight module, a door lock module, a fuel gas management module and an electric appliance management module to execute corresponding commands according to the positioning information. By adopting the method, the danger of electric leakage can be prevented, the senior citizen can be prevented form falling down, and resource waste can be effectively avoided; the property safety of the senior citizen is guaranteed to some extent; when the physical condition of the senior citizen is abnormal, the senior citizen can be reminded to see the doctor in time.

The invention provides a safety fireproof explosion-proof device for a drying machine and belongs to the technical field of production processing devices. The device structurally comprises a hot blast stove, the drying machine and a dust remover. The hot blast stove is connected with the drying machine through a hot air pipeline, a safety overheat valve is arranged on the hot air pipeline, a fire control liquid nozzle is arranged between the safety overheat valve and the drying machine, a fire control nozzle electromagnetic valve is arranged on the fire control liquid nozzle, temperature sensors are arranged on the drying machine at intervals, the tail end of the drying machine is connected with the dust remover through a smoke exhaust steam air outlet pipe, a temperature sensor is arranged in the smoke exhaust steam air outlet pipe, the dust remover is connected with a negative pressure fan, the temperature sensors on the drying machine and the temperature sensor in the smoke exhaust steam air outlet pipe are connected with a processor, the processor is connected with a controller, and the controller is connected with the safety overheat valve and the fire control nozzle electromagnetic valve. The device can effectively prevent the drying machine from being burned and reduces unnecessary economical loss for production enterprises.

The invention relates to an automatic household power supply switch having an electricity limiting function and an anti-lightning function, which consists of a switch circuit, a load unit, a sensing circuit, a first discrimination circuit, a first execution circuit, a second discrimination circuit, a second execution circuit and a direct-current power supply, and is characterized in that: the switch circuit, the load unit and the sensing circuit are sequentially and serially connected into an alternative-current (AC) 220V power transmission circuit; the output of the sensing circuit is connected with the first discrimination circuit and the second discrimination circuit; the output of the first discrimination circuit is connected with the first execution circuit; and the output of the second discrimination circuit is connected with the second execution circuit. When any electric appliance in a house is turned on, the automatic household power supply switch is closed to automatically supply the power (i.e. powered-on supply); and when all electric appliances in the house are turned off and stopped, the automatic household power supply switch can be automatically disconnected to power off (i.e. stopping power off); and when the household power consumption is overloaded or stroke by the lightning, the automatic household power supply switch can automatically disconnect an external power transmission circuit. By utilizing the switch, three effects such as power conservation, safety utilization of power supply and lightning resistance can be realized.

The invention provides a simulation model and modeling and simulation method for turn-to-turn faults of an air-core shunt reactor, and belongs to the technical field of computer analog simulation of power systems. A fault turn is equivalent to a limited number of finite step unit models which are developed and expanded according to a nonlinear step type; the input of a finite step unit model is controlled according to the nonlinear step time sequence of the development process; each unit and step type input are carried out in an ideal transformer loop of the step unit by cutting off [delta]LN;and [delta]RN access is realized. Therefore, the real turn-to-turn short circuit dynamic development change process is simulated; related electrical quantity change characteristics in a dynamic process are displayed; a dynamic digital physical model is built in an RTDS real-time digital simulation system by utilizing the dynamic characteristics; the on-line monitoring and protecting device is used for checking and detecting whether the on-line monitoring and protecting device based on various technical principles and methods can effectively and rapidly discover faults in the complex dynamic fault characteristic process or not, effective and rapid protection is carried out, and electric reactor ignition and combustion accidents are prevented.

The invention discloses a chemical raw material pressure storage tank based on intelligent control, and relates to the technical field of chemical raw material storage. The chemical raw material pressure storage tank comprises a bottom ring plate and a pressure spherical storage tank, wherein two symmetrical supporting plates are fixedly connected to the upper surface of the bottom ring plate; two rotating rods are fixedly connected to the outer circumferential surface of the pressure spherical storage tank; the two rotating rods penetrate through the two supporting plates; the rotating rods are rotationally connected with the supporting plates; one end, far away from the pressure spherical storage tank, of one supporting plate is fixedly connected with a driving mechanism; the upper ends of the supporting plates are fixedly connected with a fire extinguishing box; a dry powder fire extinguishing agent is placed in the fire extinguishing box; a hydraulic cylinder is fixedly installed on the upper surface of the fire extinguishing box; and the output end of the hydraulic cylinder is fixedly connected with a pressing disc. According to the chemical raw material pressure storage tank, a worker can conveniently sample and detect liquid in the pressure spherical storage tank at any time, and the worker can conveniently know the storage state of the liquid in the pressure spherical storage tank.

The invention discloses a big data computer network security protection device in the field of security protection, and the device comprises a box body, the right side wall of the box body is fixedly connected with a detector, the inner lower surface of the box body is fixedly connected with a placement block, the lower surface of the box body is provided with a plurality of wire arrangement grooves, and the upper surface of the placement block is fixedly connected with a body. A fire extinguishing mechanism is arranged on the inner upper surface of the box body, a wire taking mechanism is arranged on the inner front face of the box body, third racks are fixedly connected to the inner side walls of the body, and the fire extinguishing mechanism comprises a motor, a cam, a connecting rod, a sliding rail, a sliding block, a first rack, a fixing frame, a first rotating rod, a first gear, an automatic fire extinguisher and a first belt wheel; the motor is fixedly connected to the back of the box body; the motor is electrically connected with the detector, and the output end of the motor is fixedly connected with the cam. According to the invention, the fire extinguishing range of the automatic fire extinguisher is effectively widened, the fire extinguishing efficiency is improved, and fire accidents can be effectively prevented.

The invention provides a multiple intelligent protection heating table and safety control method thereof, and relates to the field of intelligent homes. The multiple intelligent protection heating table comprises a fireproof systemarranged on a table top body and a foot rest and a safety control system. The safety control method comprises the following steps: detecting whether a working state of a heat source of the heating table is in abnormal or whether a flame detection signal for indicating the naked flame existing in the heat source is received; when detecting that the heat source is in the abnormal working state, switching off power supply of the heat source, and setting the heat source in an instruction of a non-working state; when the heat source is in the normal working state, setting the heat source in the non-working state while receiving the flame detection signal, refusing to carry out the heating instruction, and executing a firefighting instruction through the starting of a fire extinguishing system. The heating table provided by the invention is good in heat effectand high in security performance, and can realize automatic extinguishing remediation; and the table is simple in structure, low in cost and suitable for public population.

The invention belongs to the technical field of electric bucket rear wall castings, and particularly relates to a core iron for pouring a 10M3 electric bucket rear wall casting, which comprises a bearing beam framework consisting of two main beams and two cross beams, a grid framework consisting of two main webs at two ends, a plurality of auxiliary webs and a plurality of auxiliary beams, and two lifting lugs arranged at two ends of each cross beam. The special core iron disclosed by the invention is convenient for manual molding and box closing operation, and the production efficiency is improved; the reinforcing ribs are placed in the middle core to play a role of a framework and improve the strength of the middle core; the dual functions of a weight and an internal chill are achieved; the special core iron and the lower box are locked through the box clamp, casting box lifting is prevented, and the product percent of pass is increased; and artillery fire accidents are prevented, safety risks are reduced, and safety production is guaranteed.

The invention discloses a safety protection device for a mobile phone charging head, a charger, a wall socket and a power strip. The device comprises a mains supply connector, an anti-thunder module,an electromagnetic switch, an inductor, a two-jack socket with a temperature probe, a current detection module and a temperature detection module, wherein the mains supply connector is connected to mains supply, the mains supply connector, the anti-thunder module, the electromagnetic switch and the two-jack socket are sequentially electrically connected, the externally connected mobile phone charging head is inserted into the two-jack socket, the mobile phone charging head is connected to a to-be-charged mobile phone and then connected to a mobile phone charging interface circuit and a mobilephone internal battery; a mutual inductor is connected to an electromagnetic switch for power acquisition; an input end of the current detection module is connected to the mutual inductor to acquire current data of the mutual inductor, and an output end is connected to the electromagnetic switch and sends a control signal to the electromagnetic switch according to the magnitude of current of the mutual inductor; an input end of the temperature detection module is connected to the two-jack socket to acquire temperature data at the two-jack socket, and an output end is connected to an electromagnetic switch and sends a control signal to the electromagnetic switch according to temperature.

The invention discloses an intelligent control system and method for living of a senior citizen. The intelligent control system comprises a human body temperature measurement module, a positioning module, an alarm module, a main controller, a receiving module, a lamplight module, a door lock module, a fuel gas management module and an electric appliance management module. The human body temperature measurement module, the positioning module and the alarm module are arranged in a wrist watch. The human body temperature measurement module is used for measuring the body temperature of the senior citizen, and when the body temperature reaches a preset body temperature value, the alarm module makes an alarm sound; the positioning module is used for positioning the senior citizen, and the position of the senior citizen is converted into a positioning digital signal and transmitted to the main controller; the main controller controls the lamplight module, the door lock module, the fuel gas management module and the electric appliance management module to execute corresponding commands according to the positioning information. By adopting the intelligent control system and method for living of the senior citizen, the danger of electric leakage can be prevented, the senior citizen can be prevented form falling down, and resource waste can be effectively avoided; the property safety of the senior citizen is guaranteed to some extent; when the physical condition of the senior citizen is abnormal, the senior citizen can be reminded to see the doctor in time.

The invention discloses a thermal protection control circuit of a dry electric iron, comprising an internal temperature control switch and a bottom plate heating resistor which are serially connected into a bottom plate heating circuit; an external power supplies power to the bottom plate heating circuit; the thermal protection control circuit also comprises a protection circuit which is parallelly connected with the bottom plate heating circuit; the protection circuit comprises a manual switch and a protection resistor which are serially connected; the manual switch is a normally closed switch; the bottom plate heating circuit is serially connected with an external temperature control switch for detecting the temperature of the protection resistor; and the external temperature control switch is a contact switch which is immediately disconnected once the heating temperature of the protection circuit exceeds the temperature control threshold thereof. Because the bottom plate heating circuit is parallelly connected with the protection circuit, when a user lays the electric iron on clothing and walks away for some time, the bottom plate heating circuit is immediately disconnected, thereby preventing the electric iron from keeping heating when being laid after the user leaves, preventing the clothing from being singed and voiding fire accidents; and the circuit has simple structure, and is safety and reliable.

The invention discloses a fuel gas pressure reducing valve terminal monitoring device, and relates to the technical field of fuel gas valve detection, the fuel gas pressure reducing valve terminal monitoring device comprises a pressure reducing valve main body, the front end of the pressure reducing valve main body is provided with a terminal monitoring device, and the terminal monitoring device comprises a terminal main body, a T-shaped mounting plate, an electromagnetic control valve and a locking detection mechanism; the bottom of the terminal body is connected with a T-shaped mounting plate, the T-shaped mounting plate is mounted at the bottom of the pressure reducing valve body, and the electromagnetic control valve is electrically connected with the terminal body. According to the invention, when gas leakage occurs at the joint of the connecting sleeve and the rubber sleeve and the gas sensor detects that the gas concentration in the air is higher than a set value, information is sent to the processing mainboard module of the terminal main body, and the processing mainboard module controls the loudspeaker module to sound to remind a user that the installation and connection of the pressure reducing valve go wrong; and data can be sent to a mobile terminal for checking through the wireless communication module, so that gas leakage is prevented, accidents are reduced, and the safety is improved.