318results about How to "Real-time detection of temperature" patented technology

The present invention is an automatic equalizing charge device which uses discharging network formed by MOS tube connecting with power resistance in series to replace power switch and bypass flow network formed by it to execute the automatic equalizing charge for series battery group in quick and safe way with in existing equalizing charge technique including series battery group waiting for charge, real time collecting and isolation circuit for battery voltage signal, main control circuit board, contravariant charging power source, patrol inspection and indication circuit of battery voltage,temperature transducer, isolation driving circuit, power source and bypass flow network formed by it.

The invention relates to the technical field of automobiles, and discloses an electric automobile power battery frame lifting device and a lifting method. A lifting frame is included. The lower end ofthe lifting frame is connected with a lifting mechanism. The inner wall of the bottom of the lifting frame is fixedly connected with a battery frame through a damping mechanism. A battery body is arranged in the battery frame. Two fixing plates are symmetrically and fixedly connected to the outer wall of the upper end of the battery body, and the outer wall of the battery frame is fixedly connected with fixing blocks corresponding to the fixing plates. The fixing plates and the fixing blocks are connected through limiting mechanisms. The electric automobile power battery frame lifting devicehas the advantages that the relative height of the battery frame can be rapidly and conveniently adjusted, battery replacement is convenient, and heightening of an automobile chassis cannot be caused.

The invention discloses a temperature measuring system of a coal gas fluidized bed gasification reactor. The system comprises the temperature measurement of the coal gas fluidized bed gasification reactor and the temperature measurement of a shell body of the coal gas fluidized bed gasification reactor. The temperature measuring system of the coal gas fluidized bed gasification reactor combines a direct temperature measuring method, an indirect temperature measuring method and a methane content temperature measuring method and also utilizes a surface hot spot detection system to measure the temperature of the shell of the coal gas fluidized bed gasification reactor simultaneously. The temperature measuring method of the invention not only prolongs the service life of a thermoelectric couple, but also measures the temperatures of the coal gas fluidized bed gasification reactor and the shell of the coal gas fluidized bed gasification reactor more accurately and comprehensively.

The invention relates to the technical field of battery charge, in particular to a charging cabinet, a management system for the charging cabinet and a commercial application method thereof. The charging cabinet comprises a cabinet body which comprises a cabinet main body. A plurality of independent charging cabins are arranged in the cabinet main body for placing a rechargeable battery. A power supply management device and a plurality of charging devices in one to one correspondence to the charging cabin are arranged in the cabinet main body. Each charging device comprises a charging interface corresponding to the charging cabin. The power supply management device is used for managing the charging devices which are used for charging the rechargeable battery through the charging interface.The management system can be applied to the charging cabinet better. The commercial application method is achieved based on the charging cabinet. The invention can provide equipment for charging an existing electric mobile outdoors better.

The invention discloses a temperature measuring system which comprises a guide rail, a temperature-measuring device and at least one heat-conductive element. The temperature-measuring device is arranged on the guide rail, and the guide rail is parallel to the central axis of a rotary kiln to be measured. The rotary kiln to be measured comprises at least one temperature-measuring hole, each heat-conductive element is inserted into one temperature-measuring hole, the temperature-measuring hole is formed from the shell of the rotary kiln to be measured to the furnace lining direction, and a preset thickness is reserved to enable the furnace lining not to be penetrated. The temperature-measuring device moves on the guide rail, and is used for obtaining the temperature of the part, arranged at one end of the kiln shell, of the heat conductive element. The temperature measuring system can detect the temperature of the heat conductive element in real time, and can further automatically judge the operating situation of the rotary kiln according to the temperature data, no staff needs to take part in the detection process, and the timeliness of the temperature detection and accuracy of judgment of the operating situation are improved. In addition, the temperature detected by the temperature measuring system is closer to the real temperature inside the kiln than the kiln shell temperature measured in the prior art.

The invention discloses a thermorunaway detection and protection device and method of a power battery pack of an electric automobile, and relates to the field of failure detection and safety protection of electric automobiles. The device mainly comprises a microcontroller, a temperature detection circuit, a voltage detection circuit, a thermorunaway protection circuit, a local area network transceiver and a thermorunaway protection plate. Through cooperation with a battery management system, a main positive relay, a main negative relay and a vehicle-mounted data terminal of the electric automobile, by means of the special control method and protection measures, when the thermorunaway risk exists in the power battery pack, an alarm is given immediately, after the thermorunaway phenomenon happens, protection measures can be taken for the battery pack in time, and therefore the accident risk is reduced, and equipment consumption is reduced.

The invention provides a method and device for controlling a household oil press and the household oil press. The method for controlling the household oil press includes the steps of acquiring corresponding optimum oil pressing temperatures of oil pressing materials, controlling heater strips to heat a barrel, detecting temperature in the barrel in real time, and controlling the difference value between the temperature in the barrel and the optimum oil pressing temperatures to be within a preset range. According to the technical scheme, the optimum oil pressing temperatures of the different oil pressing materials are required, and the temperatures of the oil pressing materials are stabilized within the range of the optimum oil pressing temperature in the oil pressing process, so that stability of the oil yield of the oil pressing materials is guaranteed, the phenomenon that the oil yield is unstable because the different oil pressing materials are pressed at the same temperature is avoided, fluency of the oil pressing process of a motor is guaranteed, and the problem that in the prior art, the oil yield of the household oil press is unstable is solved.

The invention discloses an intelligent body temperature detection and sterilization disinfection system. The intelligent body temperature detection and sterilization disinfection system comprises a building main body structure which is movably installed and integrates body temperature detection and sterilization disinfection functions; the building main body structure comprises a passage for pedestrians to walk through; a disinfection foot pad layer used for disinfecting soles of the pedestrians passing through the passage is arranged on the ground of the passage; a gate machine is arranged onthe passage; a controller with a preset human body detection temperature value is arranged in the gate machine; the controller is connected with an infrared temperature detector or a thermal imagingtemperature measuring device which is arranged on the passage, located at the front end of the gate machine and used for detecting the temperature of a human body; the controller is further connectedwith a gate driver which drives the gate machine to be opened for releasing when the temperature of the human body of a pedestrian is detected to be lower than the preset human body detection temperature value. The functions of automatically detecting the human body temperatures of the pedestrians and externally sterilizing and disinfecting the pedestrians can be realized.

The invention discloses a rail wagon bogie single-stage shaft housing hanging and positioning device. The rail wagon bogie single-stage shaft housing hanging and positioning device comprises a shaft housing, a vertical hydraulic buffer, spring guide pillars, steel circular springs, rubber-metal pad locators and hoisting check blocks, wherein the vertical hydraulic buffer is arranged between the top of the shaft housing and a side frame of a framework assembly; the spring guide pillars, the steel circular springs and the rubber-metal pad locators are arranged between the upper surfaces of spring bearing platforms on the two sides of the shaft housing and the bottom of the framework assembly; the hoisting check blocks are arranged below the spring bearing platforms on the two sides of the shaft housing. The two-stage threaded connection method of the spring guide pillars is of an integrated design, so that the structure is simple and compact, the performance is reliable, stable positioning performance is guaranteed, the requirements for different positioning stiffness in the vertical direction, longitudinal direction and the transverse direction are met, the unsprung mass can be reduced, wheeltrack dynamic force is lowered, and wheeltrack abrasion is reduced; an infrared shaft temperature detection hole is formed in the bottom of a saddle surface of the shaft housing, so that the shortcoming that an infrared thermometry technology cannot be adopted for an existing rail wagon bogie single-stage shaft housing in the line operation process is overcome, the bearing temperature of a rail wagon in an operating state can be detected in real time, a hot box fault caused by detection omission can be avoided, and rail transportation safety is guaranteed.

The invention discloses a high cold wind sand environment wheel rail abrasion simulation experimental device. The high cold wind sand environment wheel rail abrasion simulation experimental device consists of a wheel rail rolling abrasion test rack and a wheel rail rolling abrasion simulation auxiliary system. A low-temperature cavity wind-sand environmental cavity (4) is communicated with a wind-sand simulation control unit by virtue of a sand conveying pipe (16); the low-temperature cavity wind-sand environmental cavity (4) is a double-layer cavity which is made of a copper alloy and is provided with an upper part and a lower part, namely an upper cavity (401) and a lower cavity (402); a refrigerant connecting pipe (501) is connected to the upper cavity (401) and the lower cavity (402); an upper refrigerant pipe (5) is used for inputting refrigerant prepared by a low-temperature cavity unit into the upper cavity (401), and a lower refrigerant pipe (6) is used for conveying the refrigerant of the lower cavity (402) back to the low-temperature cavity unit. By adopting the high-cold wind-sand environment wheel rail abrasion simulation experimental device, a high-cold wind-sand environment can be simulated, the interactive relationship of factors such as temperature, wind-sand conditions, applied load, rotation speed of a test piece, slide difference, an impact angle, friction torque, experiment time, post experiment forms and the like can be accurately and reliably analyzed, and reliable experimental data can be provided for researching a wheel rail abrasion mechanism and building a measure for alleviating the abrasion.

The invention relates to a security and protection system of a smart underground parking, comprising a monitoring module, a main control module and an alarm module. The monitoring module comprises an image obtaining device, a temperature sensor and a smoke transducer, and used for respectively collecting image, temperature and smoke concentration of the underground parking; the main control module receives and stores the image of the underground parking in real time, and controlling the alarm module to report an alarm when the temperature and / or smoke concentration exceeds corresponding preset temperature threshold and / or preset smoke concentration threshold. The security and protection system of the smart underground parking can monitor pictures of the underground parking and detect temperature and smoke concentrations in the underground parking; when temperature and smoke concentrations are abnormal, the alarm module reports an alarm, thus the shortcoming that spontaneous combustion of vehicles located in the underground parking cannot timely be found in actual condition, the security and protection system reports the alarm the first time, and informs relevant people of rescuing within the shortest time, so as to reduce the financial loss at much as possible.

The invention relates to a cladding tube internal pressure bursting test device. The device comprises a first medium source, a second medium source, a vacuum heating device, a cladding tube arranged in the vacuum heating device, a pressure medium conveying pipeline, at least one temperature probe which is arranged on the vacuum heating device and detects the cladding tube temperature, a pressure release device arranged on the vacuum heating device and a control device, wherein the pressure medium conveying pipeline is connected with the first medium source and the second medium source and communicated with the cladding tube and conveys pressure media to the cladding tube, and the control device is connected with the vacuum heating device and the pressure medium conveying pipeline and controls the vacuum heating device to heat and controls the pressure medium conveying pipeline to convey the media; the control device comprises a first mode of controlling the pressure medium conveying pipeline to convey the first media at first temperature and a second mode of controlling the pressure conveying pipeline to convey the second media. The cladding tube internal pressure bursting test device can be used for simulating and measuring the loading capacity of the cladding tube in the working condition that a nuclear power plant has an accident in the high temperature and high pressure environment.

The invention discloses a multifunctional flusher applicable to urinary surgery, and belongs to the technical field of medical equipment application. The multifunctional flusher comprises a barrel body, stirring blades, a rotating shaft, a water outlet pipe, a heating plate, a temperature sensor, a water level sensor, a nozzle, an ultraviolet lamp set, a control switch, a drug input device, a backrest, a stretchable plate, an induction cushion, a beeper, a control panel, a drier, a drug distribution box, a stretchable table, a disinfection plug, an insulation silicone grease tube and a power supply wire. The multifunctional flusher is multifunctional and can be communicated with the external world at any time through the beeper, liquid medicine can wash a wound of a patient when flowing out through the nozzle, and when the liquid medicine flows into an inner cavity of the barrel body, medicine smoking can be performed through heating of a heating board, a temperature sensor is arranged on the side wall of the bottom of the barrel body, the medicine can be kept in the boiling state all the time conveniently, the drier is connected to the bottom end of the stretchable plate through the stretchable plate, the drier can be controlled to move back and forth through stretchable characteristics of the stretchable table, and discomfort caused when the same place of the patient is dried all the time is avoided.

The invention belongs to the field of electrical equipment, and particularly relates to a temperature protection method and device of an electrombile and a motor controller of the electrombile. According to the temperature protection method and device of the motor controller, the temperature in the motor controller can be detected in real time, temperature signals can be timely converted into electrical signals to be input into an MCU, the MCU conducts analysis and judgment to obtain the current working temperature of the motor controller, the current value of a driving motor is changed based on the mapping relation between the current working temperature and the preset reference temperature value, accordingly, the heating quantity of internal components is controlled, then the temperature of the motor controller is stabilized, and the motor controller and the motor cannot be damaged by the over high temperature.

The invention relates to a medium-high temperature phase-change heat storage device which comprises a shell (1), an inner container (3) and a plurality of coil pipes (5). The inner container (3) is arranged in the shell (1) and is filled with phase-change materials (4), the various coil pipes (5) comprise heat storage pipes (51) and connecting pipes (52), the connecting pipes (52) are used for welding a water inlet main flow pipe (8) or a water outlet main flow pipe (9), the heat storage pipes (51) are buried in the phase-change materials (4), the connecting pipes (52) are integrally connected with the heat storage pipes (51), and the various heat storage pipes (51) have identical shapes and are arranged in a mutually staggered manner, so that heat exchange spaces can be complemented by one another. Compared with the prior art, the medium-high temperature phase-change heat storage device has the advantages that the medium-high temperature phase-change heat storage device is high in heat exchange density; the shapes and the structures of the coil pipes are designed, so that problems of leakage and contact between heat exchange media and existing phase-change materials due to welding can be solved, the medium-high temperature phase-change heat storage device can be conveniently and feasibly maintained in late periods, service risks and the production cost can be reduced, and the service life of the medium-high temperature phase-change heat storage device can be prolonged.

A bionic robot fish oriented to environment monitoring comprises a fish body, a fish head, a caudal fin, a dorsal fin and a ventral fin, wherein the fish body is provided with a counterweight module and a battery; the fish head is mounted on one end of the fish body; the fish head is provided with a pitching module for controlling the upward floating and downward diving of the robot fish and a left and right turning module for changing the swimming direction of the robot fish; the caudal fin is mounted on the other end of the fish body through a swimming module; the dorsal fin is mounted at the dorsum of the fish body; and the ventral fin is mounted at the ventral side of the fish body. The bionic robot fish oriented to environment monitoring can detect multiple parameters such as pH values, solubility, temperature, ammonia nitrogen content, electrical conductivity, water hardness, turbidity and the like in different waters in real time. The bionic robot fish can cruise according to apredetermined path and detect water quality data of positions in the predetermined path. In addition, the bionic robot fish adopts a modular design in mechanical design, thereby reducing repeated design and repeated processing, decreasing relevant development cost, and shortening the research and development period.

The invention discloses a battery pack with a circular water cooling and radiating function. The battery pack comprises a cooling box; a box cover is fixed to the outer wall, close to the top, of thecooling box through bolts; the outer walls of both sides of the cooling box are configured with rectangular holes; mounting plates are welded to the inner walls of both sides of the cooling box, and the mounting plates are located below the rectangular holes; equidistantly distributed mounting holes are configured on the top outer walls of the mounting plates, and the inner walls of the mounting holes are welded with refrigerators; the inner walls of both sides of the cooling box are welded with strip-shaped plates; the two opposite side outer walls of the two strip-shaped plates are welded with return pipes placed in the same horizontal direction; and the return pipes are of a serpentine curved structure. The battery pack with the circular water cooling and radiating function provided bythe invention is compact in structure, practical and novel, and is used for the battery pack for battery installation for new energy vehicles; and a theft battery pack has the circular water cooling and radiating function, so that the influence of over-high temperature on the electricity storage capacity of a battery is avoided, and the service life of the battery is prolonged.

The invention relates to a method for monitoring the top-layer oil temperature of an oil-immersed power transformer based on optical fiber Bragg grating, belonging to the technical field of electronic measurement. The method comprises the following steps of: firstly inserting an optical fiber Bragg grating temperature sensor connected with an optical spectrum analyzer into top-layer oil from an oil-immersed power transformer test hole; after the optical fiber Bragg grating temperature sensor is stable, analyzing the variation of a wavelength value reflected by an optical fiber Bragg grating by adopting the optical spectrum analyzer; then, according to the variation relationship between the displacement and the temperature of the optical fiber Bragg grating temperature sensor, calculating the temperature of the top-layer oil of the oil-immersed power transformer; and finally comparing the measured temperature with the temperature rise standard of the oil-immersed power transformer to judge whether the oil-immersed power transformer is under the normal working condition. According to the method, the optical fiber Bragg grating sensor is adopted to be inserted into the top-layer oil of the oil-immersed power transformer for a long term, so as to detect the temperature of the top-layer oil of the transformer in real time. The optical fiber Bragg grating sensor has a simple structure and is convenient to operate.

The invention discloses a method for manufacturing a seamless ring and a special heat treatment system thereof. The manufacturing method comprises four continuous flows of ring rolling, metal working, heat treatment and finish machining, wherein the heat treatment flow comprises three processes of heating, quenching and tempering. The quenching process of the heat treatment flow comprises the steps of: (1) opening a vortex generator which is positioned at the bottom of a quenching tank, wherein the quenching liquid in the quenching tank forms stable vortex; and (2) lifting the seamless ring out of a split track furnace and putting the seamless ring into the quenching tank for quenching. In the method for manufacturing the seamless ring and the special heat treatment system, the vortex generator is opened first before the seamless ring is quenched, and when stable vortex which moves at a constant speed is formed in the quenching tank, a heated workpiece is put into the quenching tank, so that inconsistent quality performance of the seamless ring due to the inconsistency of the concentration and temperature of the quenching liquid is avoided. Therefore, the consistency of the surface hardness and core hardness of the seamless ring and the consistency of the overall hardness can be guaranteed.

The invention provides a low-temperature deep frying device and a method for deep frying food to be deep fried. The low-temperature deep frying device comprises a deep frying groove, a material inlet / outlet door, an oil inlet / outlet, a heating tube arranged in the deep drying groove, a vacuum device for making the interior of the deep frying groove reach a vacuum state, a deep frying main air cylinder for adjusting the deep frying position, a material inlet / outlet door air cylinder a for driving the material inlet / outlet door to descend or ascend, a material inlet / outlet door air cylinder b for driving the material inlet / outlet door to be opened or closed, an oil level meter for detecting the height of the oil level, a temperature gauge for detecting the oil temperature, and an electromagnetic valve used for receiving an oil temperature signal and controlling the deep frying main air cylinder, the material inlet / outlet door air cylinder a and the material inlet / outlet door air cylinder b, wherein the material inlet / outlet door and the oil inlet / outlet are communicated with the deep frying groove. According to the low-temperature deep frying device, the amount of oil injected into the deep frying groove and the temperature of the oil in the deep frying groove can be known through the oil level meter and the temperature gauge; through the deep frying main air cylinder, the position of a material inlet basket can be adjusted so that articles, to be deep fried, in the material inlet basket can make full contact with the oil.

The invention discloses a vibrating feed combustor, comprising a combustion grate, a feeder, a blower and a controller, wherein the combustion grate comprises a grate enclosure, a first division plate and a second division plate arranged horizontally are arranged in the grate enclosure to divide the space encircled by the grate enclosure into a combustion trough, a combustion trough air flue and a slag receiving chamber, the first division plate is provided with vents, the combustion trough air flue is provided with an air inlet in one side in the horizontal direction, and the blower is communicated with the combustion trough air flue via the air inlet; the feeder is an electric vibrating feeder and comprises a feed pipe, the lower port of the feed pipe is arranged above the combustion trough, a first temperature sensor is arranged in the combustion grate, a second temperature sensor is arranged in a baking room, and the controller is connected with the blower, the electric vibrating feeder, the first temperature sensor and the second temperature sensor and used for controlling the frequency or magnitude of the electric vibrating feeder and the air quantity of the blower according to the temperature in the combustion trough and the difference between the current temperature in the baking room and a preset temperature.

The invention provides an operation control method, an operation control device and a compressor. The operation control method comprises the steps that the real-time circulation current in a winding and the real-time pressure drop of the two ends of the winding are collected; the real-time impedance of the winding is calculated according to the real-time circulation current and the real-time voltage drop; the temperature of the winding is determined according to the corresponding relation between the real-time impedance and a preset temperature of the winding; and the input current of the compressor is regulated and controlled in real time according to the temperature of the winding. The temperature of the winding is determined by calculating the real-time impedance of the compressor winding, then the input current of the compressor is regulated and controlled, so that the response efficiency of variable-frequency control is improved, and the real-time detection of the temperature of the compressor winding is realized; and no extra resistance collection device is needed, so that the hardware manufacturing cost of the compressor is reduced, and popularization of the market of the compressor product is facilitated.

The invention discloses a fire treatment apparatus and method for a power battery pack of an electric vehicle. The fire treatment apparatus comprises a first temperature sensor, a second temperature sensor, a smoke sensor, a flame sensor, an alarm apparatus and a controller, wherein the first temperature sensor is arranged on the shell of a battery box body and used for detecting the temperature of the battery box body; the second temperature sensor is arranged on a single battery of the power battery pack and used for detecting the temperature of the single battery; the smoke sensor is arranged on the inner side of the top cover of the battery box body and used for detecting whether smoke exists in the interior of the battery box body or not; the flame sensor is arranged on the inner side of the top cover of the battery box body and used for detecting whether flame exists in the interior of the battery box body or not; the alarm apparatus is used for giving out an alarm; and the controller is connected with the sensors and the alarm apparatus separately and used for controlling the alarm apparatus to give out an alarm according to detection signals of the sensors. By virtue of the fire treatment apparatus and method, the temperatures, smoke and flame conditions in the power battery pack can be detected in real time, and an alarm can be performed in case of an abnormal condition, so that a solution can be adopted by a related working staff in time conveniently.

An embodiment of the invention provides a protective circuit, a mainboard protecting method and a terminal, wherein the protective circuit, the mainboard protecting method and the terminal relate to the field of circuit and can prevent damage of devices on the mainboard caused by a high-temperature state of the mainboard. The protective circuit comprises a thermistor, a first pull-up resistor, a voltage comparing unit and a power supply unit. One end of the first pull-up resistor is electrically connected with the thermistor, and the other end is electrically connected with first voltage. One end of the thermistor is electrically connected with the first pull-up resitor and the voltage comparing unit, and the other end is grounded. The first input end of the voltage comparing unit is electrically connected with the thermistor, the second output end is electrically connected with reference voltage, and the output end is electrically connected with the control end of the power supply unit. The voltage comparing unit is used for comparing the voltage of the first input end with the voltage of the second input end, and transmits a control signal to the power supply unit according to a comparing result for switching on or switching off a power supply circuit of the power supply unit to the mainboard. The protective circuit is applied in a terminal.

The invention discloses a thermal control method in a hydrogen energy storage system, and a control system thereof. The thermal control method comprises following steps successively: S1, water electrolysis is carried out so as to produce hydrogen; S2, the produced hydrogen is stored; S3, the produced hydrogen is released; and S4, the hydrogen is used for electricity generation; and at the same time, heat energy released in one or a plurality of steps of the steps S1, S2, and S4 is collected, and the step S3 is provided with the collected heat energy. The thermal control method and the corresponding control system are capable of adjusting heat energy supply-demand relation among hydrogen preparation, hydrogen storage, and hydrogen electricity generation subsystems, increasing heat energy utilization ratio of the hydrogen energy storage system, and ensuring stable and orderly running of the hydrogen energy storage system via in time adjusting of the heat energy supply-demand relation among the subsystems.

The invention relates to an oil-immersed power transformer top-level temperature monitoring method based on a thermistor, belonging to the electronic measurement technical field. The method comprises the steps of: connecting a temperature sensor of the thermistor with a multimeter; inserting the temperature sensor of the thermistor into the top-level oil of a transformer through a testing hole of the oil-immersed power transformer, when the stability is achieved, measuring the resistance of the thermistor by the multimeter; then comparing the measured temperature with the temperature raising temperature of the oil-immersed power transformer so as to determine whether the oil-immersed power transformer is operated as usual. According to the method, the thermistor temperature sensor can be inserted into the top-level oil of the oil-immersed power transformer for a long time, therefore, the temperature of the top-level oil of the oil-immersed power transformer can be detected in real time; and the temperature sensor is simple in structure and convenient to operate.

The invention relates to the technical field of solar power generation, in particular to a distributed household energy storage system, in which a solar power generation device comprises a solar paneland an MPPT tracker. The solar panel is connected with a bidirectional DC / AC converter through a bidirectional DC / DC converter through the MPPT tracker and a battery system respectively. The bidirectional DC / AC converter is connected with a grid-connected circuit. The grid-connected circuit is connected with a public grid. A load circuit is connected with a node between the bidirectional DC / AC converter and the grid-connected circuit. The load circuit is connected with a user load. The battery system includes battery modules and battery management systems (BMSs). The BMSs are connected with the respective battery modules one by one for collecting operational status information of the corresponding battery modules. The BMSs are connected with an energy storage inverter. The energy storageinverter includes the bidirectional DC / AC converter. The energy storage inverter controls the charging / discharging switching of the battery system. The design and adjustment of the invention are moreflexible, the protection is more comprehensive, and it is safer for the user to use electricity.

The invention relates to a friction block capable of intelligently detecting abrasion and a real-time temperature and a detection method thereof and belongs to the automobile brake system automation detection field. In the invention, a brake friction disc, calipers, the friction block, a display, a cell, a digital temperature sensor, a control module, a friction block thickness detection module and an alarm module are included. The cell is connected to the friction block thickness detection module and the digital temperature sensor, and then is connected to the control module. The control module is connected to the display and an LED buzzer. The friction block thickness detection module comprises a plurality of precision resistors. Each precision resistor is connected in series with one fixed value resistor and then is connected into the control module. The precision resistors are connected in parallel and then are connected to the cell. In the invention, a service life of the friction block is prolonged, and operation and times of brake system detection are reduced; an abrasion condition can be accurately detected, and whether the friction block and the brake friction disc are contacted correctly can be determined; and a brake system temperature can be detected in real time and a condition that a brake effect is weakened because of heat exhaustion is avoided.

The invention discloses an insulator ice coating preventing device based on wireless power transmission. The insulator ice coating preventing device comprises an insulator string consisting of a plurality of insulators, wherein a control system and a high-voltage inductive electricity taking device are arranged at the high-voltage side of the insulator string; the high-voltage inductive electricity taking device is arranged on a high-voltage power transmission line; the insulators comprise one high-voltage side insulator, at least one intermediate insulator and one terminal insulator; transmitting coils are arranged in the high-voltage side insulator; relay coils are arranged in the intermediate insulator; terminal coils are arranged in the terminal insulator; the transmitting coils, the relay coils and the terminal coils transmit wireless electric energy by magnetic resonance coupling; the high-voltage inductive electricity taking device, the control system and the transmitting coil are sequentially connected. The insulator ice coating preventing device disclosed by the invention has the advantages that automatic degree is high and manual operation is not needed, so that labor intensity of workers is greatly reduced and personal safety of workers is ensured.