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43results about How to "Avoid electrical safety hazards" patented technology

Pressure cooker component

The invention provides a pressure cooker component. The pressure cooker component comprises a pressure cooker body (1) and a control device (2) electrically connected with the pressure cooker body (1), wherein the pressure cooker body (1) comprises an outer cooker (11) and also comprises a base (3) which is arranged under the pressure cooker body (1) to contain the pressure cooker body (1); the base (3) also comprises an extending part (31) which extends outwards along the horizontal direction from the position of the base (3) corresponding to any radial periphery of the outer cooker (11); and the control device (2) is arranged at the position of the upper surface of the extending part (31). The pressure cooker component provided by the invention has the advantages that the base is arranged at the bottom part of the pressure cooker body, the extending part extends horizontally and outwards from the position of the base corresponding to any radial periphery of the outer cooker, the control device is arranged on the position of the upper surface of the extending part and can be controlled from the upper surface of the extending part, so that the operation is convenient, completely-effective sealing for the inner part of the pressure cooker can be realized and further the potential hazards of electric safety can be prevented.
Owner:GREE ELECTRIC APPLIANCES INC

Intelligent induction shower cabin

The invention relates to an intelligent induction shower cabin, which comprises a shower cabin and an inductive control unit, wherein the inductive control unit is used for inducing the position of a human body so as to control the opening or the closing of the shower cabin, and comprises a driving motor, a microcomputer and an infrared inductive probe; when the shower cabin is in practical operation, firstly, the infrared inductive probe detects the existence of the human body and at this time sends a signal to the microcomputer, and the microcomputer commands a driver therein so as to drive the driving motor to work according to a compiled program and to drive a movable door to be opened or closed through the driving motor.
Owner:ZHONGSHAN LENS HOME CO LTD

Remote centralized monitoring method and system for intelligent power supply socket

The invention provides a remote centralized monitoring method of an intelligent power socket and a system thereof. The method is as follows: in the operation process of a system, a remote intelligent server reads power supply conditions of a power socket collected by various node devices in real time, and transmits the power supply conditions to a monitoring module at a remote client side by an LAN / WAN; or the remote intelligent server receives a regulation command transmitted by the monitoring module of the remote client side by the LAN / WAN, thus realizing real-time monitoring of the remote client side on the power supply conditions of various intelligent power sockets in houses, at work places and in public buildings. The system takes power lines as communication media of the system, has the advantages of low cost, seamless access to Internet, plug and play, distributed network control and the like, and also has special advantages in electrical appliance management and energy saving.
Owner:GUANGZHOU YUANZHENG INTELLIGENCE TECH

Intelligent switch assembly

The invention provides an intelligent switch assembly. The intelligent switch assembly comprises a mechanical switch, a remote control component and a power supply component, wherein the mechanical switch is connected to a power line supplying power to a controlled electric appliance device in series and configured to be in the normal-close state, the remote control component is in signal connection with the controlled electric appliance device and configured to control the working state of the controlled electric appliance device according to a received control instrument, and the power supply component is isolated from the power line and configured to supply power to the remote control component. By means of the scheme, a control circuit and a power supply circuit are completely and electrically isolated, the electricity consumption potential safety hazard caused when electricity is taken from the power side and isolation measures are not in place is avoided, and the working safety of the electric appliance is improved.
Owner:FEIBIT ELECTRONICS TECH CO LTD

Triple-constant air conditioning unit and system

The invention discloses a triple-constant air conditioning unit which comprises a fresh air functional module and a water channel control module. The fresh air functional module comprises a shell anda fan, an air inlet and an air supply outlet are formed in the shell, and the fan is mounted in the shell. The water channel control module comprises a heat exchanger and a circulating water pump, a primary side of the heat exchanger is communicated with a cold and heat source medium, and a water outlet end of a secondary side of the heat exchanger is connected with a water inlet of the circulating water pump through a pipeline. The triple-constant air conditioning unit is characterized in that the water channel control module further comprises a radiant water separator and a radiant water collector which are fixedly mounted on a box, a water outlet of the circulating water pump is communicated with a main pipe joint of the radiant water separator through a pipeline, and a main pipe jointof the radiant water collector is communicated with a water return end of a secondary side of the heat exchanger through a pipeline. The invention further discloses an air conditioning system with thetriple-constant air conditioning unit and an air conditioning method. The triple-constant air conditioning unit has the advantages of simple and reasonable structure and more convenience and higher efficiency in mounting.
Owner:CHONGQING BLUEHORIZON ENERGY-SAVING TECH CO LTD

Air conditioner air guide device and air conditioner

PendingCN110285486AMonitoring and feedback of opening angleEasy to controlMechanical apparatusLighting and heating apparatusEngineering
The invention provides an air conditioner air guide device and an air conditioner. The air guide device comprises an air guide plate, a driving device and a rheostat assembly, wherein the air guide plate is arranged at an air outlet of the air conditioner and can rotate relative to a panel of the air conditioner along the axis of the air guide plate in the length direction; the driving device is arranged at the first end of the air guide plate so that the air guide plate can be driven to rotate; and the rheostat assembly is arranged the second end, opposite to the first end, of the air guide plate so that the opening degree of the air guide plate can be monitored and output. Through the air conditioner air guide device and the air conditioner, the opening degree of the air guide plate can be fed back in real time through the rheostat assembly, accordingly, a reference is provided for precision control over the angle of the air guide plate, it is ensured that the user experience and the product development and design target are consistent, and the client using requirements are met better.
Owner:GREE ELECTRIC APPLIANCES INC

Monitoring and management system for laboratory electrical equipment

The present invention provides a monitoring and management system for laboratory electrical equipment, the monitoring system for the laboratory electrical equipment can collect and obtain electricityconsumption data for each electrical equipment in the laboratory, and calculate power consumption status information of the corresponding electrical equipment according to the collected and obtained electricity consumption data, and the monitoring system for the laboratory electrical equipment can also record operation status information of the each electrical equipment, and can finally perform adaptive adjust and control to working state of the electrical equipment according to the power state information and the operation state information of the each electrical equipment.
Owner:北京戴纳实验科技有限公司

Compressor electric box and compressor with same

The invention provides a compressor electric box and a compressor with same. The compressor electric box comprises the components of a box body which is provided with a heat source pipe inlet and a heat source pipe outlet; and a heat source pipe which is at least partially arranged in the box body and is provided with a stretching-in end for stretching into the heat source pipe inlet and a stretching-out end for stretching out of the heat source pipe outlet, thereby forming a heat exchange area in the box body. The heat source pipe is provided with the heat exchange area in the box body; the surface temperature of the electric box is increased and furthermore a condensation problem is prevented; thereby preventing an electric potential safety hazard and a metal corrosion problem. The compressor electric box and the compressor with same have advantages of high safety and high reliability.
Owner:GREE ELECTRIC APPLIANCES INC

Steel pipe grouting connector and grouted steel pipe connecting method

The invention provides a steel pipe grouting connector and a grouted steel pipe connecting method, and belongs to the field of tunnel and underground engineering construction. The steel pipe groutingconnector comprises an expansion joint pipe, a sleeve pipe and a sliding positioning part; the sleeve pipe is arranged on the outer side of the expansion joint pipe in a sleeving mode and slidably connected with the expansion joint pipe, an expanding port is arranged on the outer side of one end of the expansion joint pipe, the other end of the expansion joint pipe is provided with the sliding positioning part used for being connected with the sleeve pipe in an abutting mode, and the sliding positioning part is slidably connected with the expansion joint pipe; and a sealing ring connected withthe inner wall of a grouted steel pipe in a sealing mode is annularly arranged at the end, far away from the sliding positioning part, of the sleeve pipe. According to the grouted steel pipe connecting method, connection between the grouted steel pipe and a grouting machine is achieved through the steel pipe grouting connector. Therefore, the grouted pipe connecting working environment can be improved, the installing progress is accelerated, power utilization potential safety hazards of welding operation in a humid environment are avoided, the construction cost is reduced to a large limit through the improved connector, and the economic benefit is obvious.
Owner:KUNMING RAILWAY CONSTR COMPANY OF CHINA RAILWAY NO 8 ENG GRP

Communication and control method and system for external circuit breaker of electric energy meter

The embodiment of the invention provides a communication and control method and system for external circuit breaker of electric energy meter. The method comprises the steps that terminal equipment obtains a circuit breaker identity identifier of a corresponding circuit breaker, and receives broadcast data from a plurality of electric energy meters; the terminal equipment analyzes the received broadcast data to obtain an electric energy meter identity identifier corresponding to each electric energy meter; the terminal equipment determines a corresponding connection electric energy meter from the plurality of electric energy meters based on a preset rule according to the circuit breaker identity identifier ; the terminal equipment sends a connection request to the connection electric energymeter, so that the electric energy meter establishes connection with the terminal equipment according to the received connection request; and the terminal equipment sends the circuit breaker identityidentifier to the connection electric energy meter, so that the connection electric energy meter establishes connection with the circuit breaker corresponding to the circuit breaker identity identifier according to the circuit breaker identity identifier.
Owner:山东德源电力科技股份有限公司

Washing machine

The invention provides a washing machine, and relates to the technical field of washing machines. The washing machine comprises a washing tub, wherein the water inlet side of the washing tub is provided with a multifunctional connector with water inlet and exhaust functions. The multifunctional connector is provided with a liquid inlet, a liquid outlet, an air inlet, an air outlet, a water cavityand an air cavity, wherein the water cavity is formed in the multifunctional connector and internally communicates with the liquid inlet and the liquid outlet, and the air cavity is communicated withthe air inlet and the air outlet. The water cavity and the air cavity are mutually independent; a water inlet of the washing tub is communicated with a liquid outlet and an air inlet of the multifunctional connector; a liquid inlet of the multifunctional connector is communicated with a washing machine water supply pipeline; and an exhaust port of the multifunctional joint is communicated with atmosphere or an exhaust manifold. The multifunctional connector of the washing machine can achieve the three functions of water inflow, defoaming and exhausting, meanwhile, in combination with the design of the exhaust manifold, pipeline arrangement is simplified, the occupied space of a pipeline system is reduced, and the production and assembly cost is reduced; and the problems that a washing machine water inlet structure only has a water inlet function and does not have defoaming and exhausting effects are solved.
Owner:GREE ELECTRIC APPLIANCES INC

Electric power operation site intelligent safety management and control auxiliary system

The invention relates to the technical field of electric power operation, and discloses an electric power operation site intelligent safety management and control auxiliary system, which comprises anintelligent terminal, a fingerprint identification unit, a clock-in unit, a face identification unit, a wearable law enforcement instrument and a power supply module, and the output end of the fingerprint identification unit is in signal connection with the input end of a personnel information management module; by arranging the wearable law enforcement instrument, a manager can monitor an electric power operator in real time through a mobile phone, a computer or a tablet personal computer, and when the electric power operator operates illegally, the manager can communicate with the electric power operator through the microprocessor and the wireless communication module to stop illegal operation; and meanwhile, if encountering a difficult problem, the electric power operator can inquire amanager through the microphone and the camera, so that the working efficiency can be improved, the electric power operation can be effectively managed, the management efficiency is relatively good, and the occurrence of electric power potential safety hazards is avoided.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO WUCHENG POWER SUPPLY CO +2

Water pump water outlet drainage device and dehumidifier

ActiveCN104344533AAvoid draining outEliminate electrical safety hazardsCondensate preventionLighting and heating apparatusEngineeringWater tanks
A drainage device for a pump drain outlet comprises a drainage mechanism (30) and a drained water temporary storage mechanism (40). The drainage mechanism (30) comprises an outer cover plate (31), a drainage plate (32), and a rotary connecting part. The drained water temporary storage mechanism (40) comprises a water tank, the water tank having a cavity and having an opening on an upper surface. The outer cover plate (31) can rotate around the rotary connecting part, and block the water flow at a pump drain outlet (21). One end of the drainage plate (32) is fixed to the outer cover plate (31), the other end is disposed above the opening, and the drainage plate (32) diverts the water flow blocked at the pump drain outlet (21) into the water tank through the opening. Also disclosed is a dehumidifier comprising the drainage device for a pump drain outlet.
Owner:GREE ELECTRIC APPLIANCES INC OF ZHUHAI

Induction cooker

The invention discloses an induction cooker, comprising a base, a circuit board, a high-heat-production component and a coil disc.The circuit board and the coil disc are mounted in the base, the high-heat-production component is mounted on the circuit board, and the base and a heat guide board are made of a metal material or a good heat conduction material; the heat guide board is mounted in the base, a heat-conducting insulating material is disposed between the high-heat-production component and the heat guide plate, and the heat guide plate is in heat conductive connection with the base.In the induction cooker, the heat guide plate and the base made of the metal material or the high heat conduction material are used to cool the coil disc and the high-heat-production component; therefore, the induction cooker of the invention requires no cooling fan, thus reducing operation noise, improving safety of use and providing good cooling effect.
Owner:GREE ELECTRIC APPLIANCES INC

Multifunctional connector, water inlet assembly, and washing machine

The invention provides a multifunctional connector, a water inlet assembly, and a washing machine, and relates to the technical field of washing machines. The multifunctional connector comprises a connector body, and the interior of the connector body is divided into a first cavity and a second cavity which are independent of each other by a partition plate; the first cavity is provided with a liquid inlet and a liquid outlet and used for being connected with a liquid supply flow path; the second chamber is provided with a gas inlet and a gas outlet and is used for connecting a gas outlet and / or a gas-liquid mixture flow path; a bubble breaking structure capable of piercing bubbles is formed on the inner wall of the second cavity connected between the air inlet and the air outlet; the position of the gas outlet on the connector body is higher than or equal to the position of the air inlet on the connector body; the bubble breaking structure is higher than or equal to the position of the air inlet; and liquid formed after the bubbles are punctured by protrusions can be discharged from the air inlet along the inner wall of the second cavity. The three functions of water inlet, defoaming and exhaust are achieved, pipeline arrangement is simplified, and the problem that potential safety hazards are generated due to the exhaust defoaming problem of the washing machine with the connector is solved.
Owner:GREE ELECTRIC APPLIANCES INC

Ambient light LED lamp

PendingCN107401686AOptimize cooling channelsSolve the problem of high power heat dissipationLighting heating/cooling arrangementsSpectral modifiersEngineeringLight source
The invention discloses an ambient light LED lamp. The ambient light LED lamp comprises a lamp holder, a power source, a cooling body, an LED light source and a lampshade; the lamp holder, the cooling body and the lampshade are sequentially and fixedly connected to form a lamp body; a partition face is arranged inside the cooling body; the LED light source is arranged on the partition face; the power source is located in the space, formed by the lamp holder and the cooling body, below the partition face; and the cooling body is prepared from a light pervious material. Light emitted by the LED light source is reflected many times by the wall of the lampshade and then is emitted by the lampshade and the cooling body, and full-angle light emitting is achieved; and furthermore, the unique cooling structural design and material selection are combined, a cooling channel is optimized, the problem that high-power cooling is difficult is solved, and accordingly preparation of the high-power ambient light LED lamp is achieved.
Owner:刘锋

Alarm device for returning and connecting loading and unloading swing arm in place

The invention relates to an alarm device for returning and connecting a loading and unloading swing arm in place. A self-loop of an electrostatic releaser is a first electrostatic loop; the electrostatic releaser and a tank truck form a second electrostatic loop through a grounding wire; the first electrostatic loop is switched to trigger a first annunciator to send a signal to a controller; the second electrostatic loop is switched on to trigger a second annunciator to send a signal to the controller; when a swing arm is connected with a feeding connector of the tank truck in place, a third annunciator is triggered to send a signal to the controller; the swing arm returns in place, and a fourth annunciator is triggered to send a signal to the controller; an alarm is arranged in a workingloop of an electromagnetic relay KA1 and is a normally closed loop; and when the controller receives signals sent by the first annunciator or the second annunciator and receives signals sent by the third annunciator or the fourth annunciator at the same time, the alarm does not give an alarm. According to the technical scheme, only one electromagnetic relay is adopted to achieve the dual alarm function that the swing arm does not return or is not connected in place, and complex requirements are met through a simple structure.
Owner:东明中信国安瑞华新材料有限公司

H-shaped steel cable erection tool and application method thereof

The invention discloses an H-shaped steel cable erecting tool and an application method thereof. The H-shaped steel cable erecting tool comprises a [-shaped plate, a fixing bolt, a fixing base plate, a cable roller, a fastening buckle plate and a fastening buckle plate clamping piece. The [-shaped plate comprises two flat plates which are parallel to each other and arranged at an interval and a connecting plate used for connecting the two flat plates, screw holes are formed in the flat plates, fixing bolts are fixed to the screw holes, the H-shaped steel cable erecting tool can be fixed to H-shaped steel through the [-shaped plate and the fixing bolts, and the fixing base plate makes contact with the side, away from the flat plates, of the connecting plate and is fixedly connected with the side, away from the flat plates, of the connecting plate; a cable roller is fixed on the fixed substrate, a cable is arranged on the cable roller, a fastening buckle plate clamping piece is fixed on the cable roller, the fixed substrate is connected with the fastening buckle plate through a connecting rod, and the connecting rod and the cable roller are located on the two sides of the cable respectively. The fastening buckle plate can rotate around the connecting rod, and a clamping groove structure matched with the fastening buckle plate clamping piece is arranged on the fastening buckle plate. The erecting tool is easy to manufacture, safe, reliable and high in refitting performance.
Owner:CHINA MCC5 GROUP CORP +1

A washing machine and its control method

The invention belongs to the field of washing equipment, and in particular discloses a washing equipment and a control method. The washing equipment includes: a washing bucket for washing clothes; a circulating waterway including a circulating water outlet pipe and a circulating water return pipe. A heating device is arranged between the circulating water return pipes; the water in the washing bucket is discharged from the circulating water outlet pipe, heated by the heating device, and then returned to the washing bucket by the circulating water returning pipe; the water inlet pipeline is connected with the The heating device is connected, and the water in the water inlet pipeline is heated by the heating device and then flows into the washing tub through the circulating water return pipe. The washing equipment disclosed by the invention can effectively reduce the heating time of high-temperature washing, improve the heating efficiency and have higher safety performance.
Owner:GREE ELECTRIC APPLIANCES INC

Novel cable

The invention discloses a novel cable which comprises a conductor. An insulating layer wraps the conductor, a shielding layer wraps the insulating layer, alkali-resistant glass fiber gridding cloth wraps the shielding layer, rendering coat mortar coats the alkali-resistant glass fiber gridding cloth, an inner protective layer is bonded on the rendering coat mortar, silicone rubber waterproof paintcoats the inner protective layer, a metal grid net is bonded outside the silicone rubber waterproof paint, grid gaps of the metal grid net are filled with quartz sand, spines are fixedly connected togrid intersection points of the metal grid net, the metal grid net is wrapped by an outer protective layer, and the tips of the spines penetrate into the outer protective layer. The spines on the metal grid net penetrate into the outer protective layer, so that the outer protective layer cannot be twisted excessively due to external rolling, the service life of the cable is prolonged, meanwhile,the shielding layer and the inner protective layer are bonded through rendering coat mortar and alkali-resistant glass fiber gridding cloth, the tensile and compressive capacity of the cable is improved, and the cable is prevented from cracking due to pulling or extrusion.
Owner:JIANGSU MINGYANG CABLE

Lighting control method, lighting device and air conditioner indoor hanging unit

The invention relates to the technical field of lighting equipment, and provides a lighting control method, a lighting device and an air conditioner indoor hanging unit. The lighting control method is used for controlling a lighting device, the lighting device comprises a plurality of lamp groups, and the lighting control method comprises the following steps of acquiring image information of a lighting area in real time, determining the position of a to-be-dimmed area according to the image information, according to the position of the to-be-dimmed area, determining a first lamp group which enables the to-be-dimmed area to generate a shadow, and turning down the brightness of the first lamp group, and / or, according to the position of the to-be-dimmed area, determining a second lamp group which does not make the to-be-dimmed area generate a shadow, and increasing the brightness of the second lamp group. According to the lighting control method provided by the invention, the shadow of the to-be-dimmed area can be effectively weakened or eliminated according to the position of the to-be-dimmed area, and the to-be-dimmed area in the lighting area can be dynamically adjusted according to actual needs of a user.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +2

Key waterproof structure and clothes degerming machine

PendingCN111799118APrevent infiltrationAct as the first layer of sealingElectric switchesKey pressingStructural engineering
The invention relates to the technical field of waterproof sealing structures, in particular to a key waterproof structure and a clothes degerming machine. The key waterproof structure comprises a pressing key, a supporting ring which is connected to the outer peripheral surface of the pressing key in a sleeving manner, and sealing wrinkles which are arranged around the outer peripheral surface ofthe pressing key for a circle and elastically abut against at least part of the inner surface of the supporting ring. According to the key waterproof structure provided by the invention, the sealingwrinkles are arranged around the outer peripheral surface of the pressing key for a circle, so that the sealing wrinkles elastically abut against the inner surface of the supporting ring, a first-layer sealing effect can be achieved, and water drops are prevented from permeating into a whole machine through a gap between the pressing key and the supporting ring.
Owner:GREE ELECTRIC APPLIANCES INC

Method for detecting illegal use of voltage regulation socket in student dormitory

The invention discloses a method for detecting illegal use of a voltage regulating socket in a student dormitory, and the method comprises the steps: 1, carrying out the high-frequency sampling of a current and a voltage at a dormitory bus at a certain sampling frequency, and obtaining a current sampling sequence and a voltage sampling sequence of each power frequency period; 2, calculating active power and reactive power of a corresponding power frequency period through the current sampling sequence and the voltage sampling sequence; 3, sampling active power and reactive power of the current line once per second to form an active power queue and a reactive power queue; 4, setting a power counter C=0, and when P<x+1> is greater than Px and Q<x+1> is greater than Qx, setting the power counter C=C+1; 5, judging that the power counter C is greater than or equal to 5, if so, judging that a voltage regulating socket is connected into the dormitory and runs, otherwise, executing step 6; 6, judging whether R is greater than a preset threshold value, if so, judging that the voltage regulating socket is connected into the dormitory and runs, otherwise, executing the step 1. The method provided by the invention can effectively solve the electrical potential safety hazard that the students bypass the power limiting system by means of the dormitory voltage regulating socket.
Owner:杭州拓深科技有限公司

Safe electricity utilization on-line monitoring system based on Internet of Things

The invention provides a safe electricity utilization on-line monitoring system based on Internet of Things, and relates to the technical field of safe electricity utilization monitoring. The system comprises a monitoring terminal and a background server, wherein the monitoring terminal comprises a power supply unit, a processor, a first storage unit, a first communication unit, an alarm unit, a current monitoring unit, a voltage monitoring unit and a temperature monitoring unit, and the power supply unit, the first storage unit, the first communication unit, the alarm unit, the current monitoring unit, the voltage monitoring unit and the temperature monitoring unit are respectively connected with the processor. According to the invention, the intelligent power device designed for TT and TN systems below 0.4 kV has the functions of single-phase and three-phase alternating current measurement, four-quadrant electric energy metering, switching value input and switching value output, and further has RS485 communication and GPRS wireless communication functions, and parameters such as electric leakage, conducting wire temperature and the like of a power distribution loop are monitored and managed.
Owner:河北申科电力股份有限公司

Novel power connector

The invention discloses a novel power connector, and belongs to the technical field of electrical devices. Comprising a conductive connecting piece, and the conductive connecting piece is composed of a shifting shaft capable of rotating around the axis and a shifting piece arranged on the shifting shaft; the power supply connector further comprises a rotary shifting mechanism used for driving the shifting shaft to rotate around the axis. According to the electric connector, the electric connector comprises the conductive connecting piece, the conductive connecting piece is composed of the shifting shaft capable of rotating around the axis and the shifting piece arranged on the shifting shaft, and the shifting shaft can drive the shifting piece to turn over, so that the conductive connecting piece does not make contact with a conductor in the first time when entering the electricity taking groove; the conductive connecting piece of the power connector is prevented from being in direct contact with the conductor after entering the electricity taking groove, so that the potential safety hazard of electricity utilization is avoided.
Owner:酷闪电器(上海)有限公司

Optical detection type pressing plate protector capable of preventing virtual connection and shielding by mistake

The invention relates to an optical detection type pressing plate protector capable of preventing virtual connection and shielding by mistake. The optical detection type pressing plate protector capable of preventing virtual connection and shielding by mistake is characterized by comprising a calibration part, an infrared sensor and a central processing unit, the calibration part is composed of a sticky patch and a calibration point and installed on a hard pressing plate link piece in an insulation mode; the central processing unit and the infrared sensor are connected together to form a front obstacle wireless sense node which is installed on a protection screen and located under the calibration part; infrared light is emitted to the calibration part through the infrared sensor, and the front obstacle wireless sense node judges whether to receive reflected light of the calibration part or not to achieve functions of protection and detection. According to the optical detection type pressing plate protector capable of preventing virtual connection and shielding by mistake, whether the situations of virtual connection and non-hard pressing plate link piece shielding exist on the hard pressing plate link piece or not can be judged accurately, and electric safety hazards are avoided by means of a physical attribute detection mode; due to the fact that the calibration part is additionally arranged, the problem of judgment of input in place of the hard pressing plate and distinguishing under the situation that link piece shielding does not exist in a small space is solved.
Owner:STATE GRID CORP OF CHINA +3

Leakage overcurrent high temperature protection circuit

The invention discloses an electric leakage overcurrent high-temperature protection circuit. The electric leakage overcurrent high-temperature protection circuit comprises a power supply input end, a power supply output end, a circuit disconnection device and a main control chip, wherein the power supply input end is provided with an electric leakage detection circuit, the power supply output end is provided with a load overcurrent detection circuit, and the electric leakage detection circuit and the load overcurrent detection circuit are switched into the main control chip; the main control chip is further connected with a temperature detection element; a control part in the circuit disconnection device is switched into the main control chip, and the main control chip is used for triggering the disconnection or connection of the circuit disconnection device through monitoring for the electric leakage detection circuit, the load overcurrent detection circuit and the temperature detection element. In the electric leakage overcurrent high-temperature protection circuit, the electric leakage detection circuit, the load overcurrent detection circuit and the high-temperature protection circuit are detected through the main control chip respectively, and whether the circuit is disconnected by the circuit disconnection device is controlled according to a preset numerical value. The circuit disclosed by the invention is simple in design, and has various detection functions, so that potential safety hazards for electricity application can be effectively prevented.
Owner:东莞市降虎智能电子科技有限公司
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