199results about How to "No risk of electric shock" patented technology

The invention discloses a charging device for a new-energy vehicle. The charging device includes a column and a sliding cavity which is arranged in the column, the upper portion of the left side of the column is provided with an insertion cavity, a power supply part for being in matched connection with a charging part of the new-energy vehicle is arranged in the sliding cavity in an up and down sliding mode, the power supply part includes a downward sliding part and an upward sliding part which is fixedly connected with the downward sliding part, the left side of the upward sliding part is provided with a first power supply hole, the right side of the upward sliding part is provided with a power supply column, and a locking part for locking the charging part is further arranged in the upward sliding part. The charging device for the new-energy vehicle is simple in overall structure, safe and stable in running, relatively low in cost, convenient to mount and maintain and easy to operate, the continuity of electric vehicle charging can be achieved, charging is prevented from being broken midway, and the charging device is suitable for popularization and usage.

The invention discloses a monitoring device for temperature rise and vibration of a motor and a realizing method thereof, solving the problems of the present monitoring device that the motor vibration monitoring is defective, the monitoring data is incomplete and the like. The monitoring device for temperature rise and vibration comprises a microprocessor, a power supply processing module, a motor current collecting module, a motor vibration and temperature rise collecting module, a man-machine interaction module and a communication data transmission module, wherein the microprocessor is used for receiving and processing the data information; the power supply processing module is used for supplying power for the operation of the device; the motor current collecting module is used for collecting and converting a voltage signal which is converted from the current acquired by a current transformer; the motor vibration and temperature rise collecting module is used for collecting the motor vibration and temperature data information; the man-machine interaction module is used for realizing man-machine interaction; the communication data transmission module is used for uploading the monitored condition of the motor to a detection system. The monitoring device provided by the invention has a current detection function and can be used for comprehensively monitoring the abnormal overload, abnormal temperature rise and abnormal vibration of the motor.

The invention provides a solid insulating vacuum ring network cabinet comprising at least one wire inlet ring network cabinet and at least one wire outlet ring network cabinet, wherein the wire inlet ring network cabinet is assembled on a cabinet body by a vacuum switch unit through screws so as to form the whole wire inlet ring main unit; the wire outlet ring network cabinet is formed by assembling the vacuum switch unit and a fuse tripping interlocking device on the cabinet body through screws; a fuse cylinder component is arranged at the position in the vacuum switch unit at which a polar column assembling plug is securely sealed. The solid insulating vacuum ring network cabinet has the advantages that harmful substances are not generated during the working process; furthermore, all parts can be reclaimed after achieving the service life; and the environment-friendly requirement is adapted. All charged bodies are placed or arranged in epoxy resin; the electric performance of the ring network cabinet is not affected by external environments such as vapor, dust and the like; and the maintenance quantity is little and the service life is long. As charged bodies are all arranged inthe epoxy resin, semiconductor substance is sprayed outside the epoxy resin; and the induction voltage is grounded; therefore, even when a user contacts with the ring network cabinet, the electric shock accident does not occur, and the safety of equipment is improved.

The invention provides a device for testing an insulated gate bipolar translator (IGBT) module. The device comprises a controller, an driving module of an upper bridge arm and a lower bridge arm, an IGBT dispersion current detecting module, and a short circuit protection module, wherein the controller is used for generating pulse width modulation (PWM) signals driving the IGBT module, the driving module of the upper bridge arm and the lower bridge arm transfers the PWM signals generated by the controller into the PWM signals suitable to drive the IGBT module, the IGBT dispersion current detecting module is used for detecting the dispersion current of the IGBT module, and the short circuit protection module prevents the short circuit of the power supply provided to the dispersion current detecting module and transmits signals that the power supply is in short circuit to the controller. According to the device for testing the IGBT module with the mentioned structure, system detecting cost can be reduced, safe, reliable, convenient and a suitable testing tool and a method are provided, and therefore the IGBT testing can be completed without expensive testing equipment, testers have no electric shocking hazard, and the device for testing the IGBT module is safe and reliable.

The invention discloses a hair dryer device. The hair dryer device comprises an electricity connection shell and a skating cavity formed in the electricity connection shell, the upper portion and the lower portion of the right side of the electricity connection shell are provided with hanging arms front and back in a corresponding mode, each hanging arm is provided with a hanging hole, the upper portion of the left side of the electricity connection shell is provided with an inserting groove, the skating cavity is provided with an electricity connection device which is capable of sliding left and right and is used for being coordinately connected with an electricity connection pin which connects the hair dryer, the electricity connection device comprises a lower movable section and an upper movable section which is fixedly connected with the lower movable section, the left side of the upper movable section is provided with a first electricity connection groove, the right side off the upper movable section is provided with an electricity connection column, and the upper movable section is further provided with a locking-connecting device which is used for conducting locking-connecting on the electricity connection pin. The hair dryer device is simple in overall structure, safe and stable in operation, low in cost, convenient to install and maintain, and simple in operation; meanwhile, the continuity of power supply to the hair dryer can be achieved, the situation that the power supply is broken down halfway is prevented, and thus the hair dryer device is suitable for being applied and popularized.

The invention relates to a movable fixed lamp switch, which comprises a switching device and a lamp control device, wherein, a switch outer shell of the switching device is provided with a switch pedestal; a switch key is arranged in the front of the switch pedestal; a fixed device is arranged on the rear of the switch pedestal; a signal transmitting module is arranged inside the switch pedestal;signals which are transmitted by the signal transmitting module are light signals; a transmission window is arranged on the switch pedestal; the light signals are transmitted to the outside world through the transmission window. The movable fixed lamp switch can be moved arbitrarily, is convenient to be matched with the room layout, has no electric shock hazard and no safety hidden danger due to generation of electric sparks, and does not need a battery for power supply. Because functions are increased under the condition that the appearance of the prior fixed lamp switch is almost unchanged,people have a sense of curiosity and are easy to accept the novel thing.

The present invention relates to a family wireless remote monitoring system based on a Zigbee technology. The family wireless remote monitoring system comprises a physical parameter collection subsystem, a family monitoring disposal subsystem and a warning subsystem. The physical parameter collection subsystem of the present invention is easy for wearing, does not influence the normal life of the user basically and collects the change of every item of the physical parameter of the user to be sent to the family monitoring disposal subsystem in a wireless way; the family monitoring disposal subsystem transmits data to a specific medical mechanism and compares the change of the physical parameter of the user with the preset threshold value, if the change of the physical parameter of the user is beyond the threshold value, the warning subsystem is started to warn to a plurality of parties, so as to achieve the aim of reducing health accident. The family wireless remote monitoring system is easy for realizing, is used as a novel elder health care service system to combine the functions of physical detection and real time activity tracking, and the like, and has the advantages of small size and low power consumption, and the like, in performance index.

The invention relates to a control system for a power battery relay of new energy vehicles. A pre-charge relay is connected in series with a pre-charge resistor, and then connected in parallel with atotal positive relay, and connected to a positive pole of a power battery; a total negative relay is connected to a negative pole of the power battery, and a voltmeter in a first voltage measuring device measures the voltage across the power battery; a voltmeter in a second voltage measuring device measures the voltage between the total positive relay and the total negative relay; the power battery outputs voltage outward, and the range of the voltage value depends on the battery design value and the current battery state, and a vehicle load is connected between the output voltages. An advantage of the present invention is that the system can properly respond to requests for closing and opening relays of a vehicle, and when the relay itself fails, the system is capable of identifying faults and reporting them under certain operating conditions.

The invention provides an inductive plugging device which comprises a shell, a socket iron core, an input coil, an output coil, circuit jacks, circuit pins and a plug iron core, wherein the socket iron core is a rectangle with one open side; the input coil and the output coil are wound on each side of the socket iron core; the input coil is connected with an input end of the power grid; the output coil is connected with the circuit jacks; the shape of the plug iron core is characterized in that the plug iron core can be spliced with the socket iron core to form an integrated rectangular iron core; and the shape of the circuit pins is characterized in that when the plug iron core and the socket are closed, the circuit pins are inserted into the circuit jacks, and the circuit pins are connected with an output lead wire. The inductive plugging device can normally supply power for electrical appliances, and completely remove electric arc danger and electric shock hazard, so that the security of the device is very high.

The invention discloses a live line measurement device for the oil level of an expansion tank of an oil-immersed transformer. The live line measurement device comprises an upper-section measuring rod, a middle-section measuring rod, a lower-section measuring rod, a float, a tripod and a hose. The upper-section measuring rod, the middle-section measuring rod and the lower-section measuring rod are hollow insulation rods and are detachably connected to form a hollow straight rod, the float is arranged in the hollow straight rod, the tail end of the bottom of the lower-section measuring rod is fixed to the top of the tripod and connected with one end of the hose, the other end of the hose is connected with an oil injection and drain valve of the oil-immersed transformer through a connection port, and the side face of the upper-section measuring rod is provided with scale marks and a corresponding observation window. According to the principle of communicating vessels, the live line measurement device can be used for measuring the actual height of the oil level in the expansion tank of the transformer accurately, and is simple to operate, convenient to carry and good in safety.

A modular PE pipe water activity platform comprises a PE pipe floating body, single-section floating raft platforms and a floating raft guardrail, wherein the PE pipe floating body is formed by connecting a plurality of hollow PE pipes of which both ends are sealed; each single-section floating raft platform is of a reinforced concrete structure; the single-section floating raft platforms and the PE pipe floating body are connected into a whole by a fixing frame; plurality of the single-section floating raft platforms are fixedly connected into a floating raft platform assembly; and the floating raft guardrail is fixedly installed on the floating raft platform assembly. According to the invention, the characteristics of light weight, corrosion resistance, long service life, capability of being recycled and high strength of reinforced concrete of the PE pipe are fully combined, manufacturing and construction are simple, safety and reliability are realized, and maintenance is simple. Due to the adoption of modular production and flexible assembly, the water-surface construction operation difficulty of a large platform is greatly reduced, the construction cycle is shortened, and economic benefits and environmental benefits are greatly enhanced.

The invention discloses a safety socket free of an electric shock. The safety socket comprises an upper cover, a base, a zero line connecting sheet, a live line connecting sheet, a zero line inserting grip, a live line inserting grip, a first movable contact plate, a second movable contact plate and four rotary blocks, wherein the zero line connecting sheet, the live line connecting sheet, the zero line inserting grip, the live line inserting grip, the first movable contact plate, the second movable contact plate and the four rotary blocks are arranged on the base; the upper cover is provided with a zero line jack and a live line jack; a first support part, a second support part, a third support part and a fourth support part are arranged in the base; the zero line connecting sheet comprises a first end and a second end; the live line connecting sheet comprises the first end and the second end; the zero line inserting grip is arranged between the first support part and the second support part; the live line jack is arranged between the third support part and the fourth support part; contacts are arranged at the first end and the second end of the first movable contact plate respectively; and the contacts are arranged at the first end and the second end of the second movable contact plate respectively. When a person inserts a conductive material into the live line jack or the zero line jack disclosed by the invention by mistake, an electric shock hazard is not easily generated, so that the electrical safety is greatly improved.

The invention relates to the field of electronic appliances, and provides a vehicle-to-vehicle charging device and method. The vehicle-to-vehicle charging device comprises a vehicular bi-directional charger, charging and discharging connection devices and a control box, and the vehicular bi-directional charger is used for charging for other vehicles or receiving discharging of the other vehicles.The charging and discharging connection devices are used for connecting a power supplying vehicle and a power receiving vehicle, and an alternating current control switch is arranged on the control box and controls charging current. According to the device, the control box is additionally arranged between the charging and discharging connection devices of the power supplying vehicle and the powerreceiving vehicle, the control box can control connection and disconnection of charging current, the charging current is disconnected when an operator operates the device, and electric shock of the operator is avoided.

The invention provides a manufacturing process of electrolyte for an oxidation reduction cell. The process comprises the following steps of: adding vanadic oxide into an alkaline water solution, wherein the added vanadic oxide accounts for 20-50 weight percent of alkaline water solution; adding sulfuric acid so as to react to form vanadyl sulfate until pH reaches 2.0-2.2; removing sodium sulfate with an electrodialysis apparatus and beginning a diaphragm electrolysis working procedure 1 to reduce into the mixed solution of vanadic sulfate and vanadyl sulfate; adding sulfuric acid so as to enter a diaphragm electrolysis 2 so that vanadyl sulfate is obtained at the anode and enter a diaphragm electrolysis working procedure 3 so that anode electrolyte is obtained at the anode; introducing vanadic sulfate acquired at the cathode to the cathode side of the diaphragm electrolysis working procedure 4, introducing the solution acquired at the cathode of the diaphragm electrolysis working procedure 3 into the anode side of the diaphragm electrolysis working procedure 4 so as to acquire cathode electrolyte by electrolysis. The method provided by the invention can be used for manufacturing the electrolyte for the oxidation reduction cell under normal temperature and pressure without generating poisonous waste gas and waste water and degradation operation, and the obtained product can be directly used as electrolyte.

The invention relates to a wall switch of an LED (Light-emitting Diode) lamp, in particular to a wall switch for illumination of an indoor LED (Light-emitting Diode) lamp. The wall switch is mainly characterized by comprising a flame-retardant plastic shell, at least one press button or one knob which is placed on a switch surface panel, a direct-current and alternative-current switching power supply panel which is placed inside the switch, at least one constant-current drive power supply panel which is placed inside the switch, at least two clamping grooves which are fixedly arranged on the inner surface of the switch through screws, an alternative-current input terminal and at least one direct-current output terminal which are placed at the inner side of a back panel of the switch, wherein the flame-retardant plastic shell is provided with a net hole and an inner heating element is radiated through the net hole; the press button or the knob is provided with an indication lamp for displaying a work state of the constant-current power supply panel. The wall switch of the LED lamp provided by the invention has the advantages that: the drive power supply of the LED lamp is installed in the wall switch and is separated from a lamp body, so that the LED lamp is convenient to control; meanwhile, the LED lamp is convenient to maintain and exchange and the LED lamp body does not have dangers of electric shocks.

The invention discloses a water source heat pump boiler in the boiler technique domain to apply water source second heat-exchanging for entire heat efficiency improvement, which comprises the following parts: hot water supply path with paralleling connection of tap water inlet pipe, heat-exchanger, heat-exchanger flow switch, thermostatic water outlet switch and hot water drain opening; backwater waterway with paralleling connection of waste water filter, backwater pipe, backwater pump, heat-exchanger, waste water outlet of heat-exchanger; heating loop with paralleling connection of backwater path, compressor, heat-exchanger, baffler, heat-exchanger.

The invention discloses a preparation method of nano-silica compacted concrete. The preparation method comprises the following steps: preparing nano-silica of which the surface is coated with nano-alumina into a nano-silica aqueous solution with the concentration of 0.05 to 0.5 mol/L and injecting the nano-silica aqueous solution into an electrolytic cell; putting a concrete specimen with built-insteel bars into the electrolytic cell, connecting the steel bars into a power supply cathode, arranging an auxiliary anode parallel to the concrete specimen outside the concrete specimen and connecting the auxiliary anode into a power supply anode; under the condition of 0 to 4 DEG C, applying 6 to 96 V/cm impressed voltage between the power supply cathode and the power supply anode in the S3 andthen electrifying. According to the method disclosed by the invention, by taking the nano-silica as a raw material and applying an external electric field, the nano-silica enters pores of the concrete through electrophoresis drive; by utilizing C-S-H gel generated through reacting the nano-silica solution with calcium hydroxide, the pores in the concrete are filled to obtain compacted concrete, and further the durability of the concrete is improved.

The invention discloses a cable fault point positioning device and a data processing method thereof. The cable fault point positioning device includes a steep wave pulse transmitting/ receiving module, and the steep wave pulse transmitting/ receiving module is connected with a test cable clamp, connected with one end of a faulted cable, through a cable clamp plug; the steep wave pulse transmitting/ receiving module sends pulses to the faulted cable, and is connected with a CUP through an AD conversion module; the steep wave pulse transmitting/ receiving module is communicated with a damping module, and the damping module eliminates multiple-reflected pulse energy inside the cable after a first pulse reflection wave is recorded; a power supply module provides power for the device. The cable fault point positioning device and the data processing method thereof can determine the fault type and fault position of the cable, and the working performance is excellent.

The invention discloses a solid-insulated closing assembly for a high-voltage alternating-current vacuum switch cabinet, comprising a fixing-sealing spine made of an insulating material as well as an irregular conducting rod, a first conducting plate, a second conducting plate, a one-phase vacuum circuit breaker and an end seat thereof, a vacuum isolation switch and an end seat thereof, a vacuum grounding switch and an end seat thereof, a lightning arrester and an end seat thereof, a voltage transformer end seat and an interbus end seat which are fixedly sealed in the fixing-sealing spine. The moving contact of the vacuum isolation switch and the first conducting plate as well as the moving contact of the vacuum circuit breaker and the second conducting plate are movably connected via a middle sliding contact respectively. The solid-insulated closing assembly has the following advantages that the traditional separate high-voltage components are integrated in the fixing-sealing spine, and all the electrified parts are packaged by adopting the solid insulating material and isolated from outside air, so that an electric shock hazard is avoided, and the use is safer. The overall size, weight, consumables and equipment floor area are reduced, and the solid-insulated closing assembly is convenient to connect and suitable for being used in all working conditions and high-altitude conditions.

The invention discloses a seat cushion type pressure switch which comprises an inflatable cushion, and a clapboard arranged in the inflatable cushion, wherein the clapboard is made of an insulating material; an arc-shaped hole is formed in the clapboard; the clapboard partitions off the inflatable cushion into an upper-layer space and a lower-layer space; upper-layer conductive tin foil paper is arranged on the wall of the upper-layer space; the lower-layer space is provided with lower-layer conductive tin foil paper; the upper-layer conductive tin foil paper and the lower-layer conductive tin foil paper are electrically and respectively connected with a relay; the upper-layer conductive tin foil paper and the lower-layer conductive tin foil paper are contacted with the relay and the power source through the arc-shaped hole of the clapboard to form a loop; the upper-layer conductive tin foil paper and the lower-layer conductive tin foil paper has no contact with the relay and are disconnected with the power source. The seat cushion type pressure switch has the advantages of being simple in structure, and being controlled by a user per se, so that the seat cushion pressure switch is switched on when a person sits thereon and switched off when the person leaves away.

The invention discloses an air conditioner with an electric shock prevention function. A detection module is used for detecting the opening or closing state of an outer casing of the air conditioner, and sending a pulse signal to a main control module. When a user opens the outer casing of the air conditioner, the main control module can control a switch module to disconnect the output end of a power source module according to the pulse signal of the detection module, and start a prompting module to prompt the user to cut off a power source of the air conditioner. After the user opens the outer casing, as the switch module can disconnect the output end of the power source, the air conditioner stops working, and the prompting module prompts the user to cut off the power source. Therefore, the danger of electric shock of an operator is prevented in advance, the operator can cut off the power source according to the prompting of the prompting module, and the electric shock danger is avoided for the operator.

The invention provides an LED candle lamp dissipating heat by utilizing bottom-up free mobility of air. The LED candle lamp comprises a lamp cup, LED lamp beads, a heat conducting column, a candle-shaped lampshade and a flexible circuit board. The LED lamp beads are installed on the flexible circuit board. The flexible circuit board is tightly attached to the surface of the heat conducting column in a surrounding mode. The candle-shaped lampshade and the lamp cup are fixedly assembled. The LED candle lamp further comprises an upper partition plate and a lower metal partition plate. An upper vent hole is formed in the upper partition plate. A lower vent hole is formed in the lower metal partition plate. The heat conducting column is of a cylindrical structure which is vertically communicated. The upper vent hole in the upper partition plate and an upper port in the heat conducting column are assembled in a matched mode. The lower vent hole in the lower metal partition plate and a lower port in the heat conducting column are assembled in a matched mode. A plurality of air inlet holes are formed in the lamp cup. A plurality of air outlet holes are formed in the candle-shaped lampshade. A ventilation and heat dissipation system with air flowing from bottom to top is composed of the air inlet holes, the lower vent hole, the heat conducting column, the upper vent hole and the air outlet holes. The LED candle lamp has the advantages that the heat is dissipated during free convection of the air to the exterior of a lamp body, the heat is rapidly dissipated, and the effect is good.

The invention discloses an intelligent electric water heater controller with leakage protection, which comprises an intelligent processing control circuit, a leakage detection circuit and a load relay, and the leakage detection circuit and the load relay are both electrically connected to the intelligent processing control circuit. The intelligent electric water heater controller with leakage protection of the present invention detects the leakage phenomenon through the fire zero leakage detection circuit and the ground wire leakage detection circuit, and the intelligent processing control circuit immediately cuts off the heating load, and cuts off the connection between the water heater shell and the external ground wire, so that The water heater is completely de-energized and disconnected from the external leakage electric device, so that there is no risk of electric shock to the water heater.