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 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 an electric cooker heating control method and device and an electric cooker. The method comprises the steps that the target heating temperature of the electric cooker is acquired; multiple continuous temperature intervals are acquired according to the target heating temperature of the electric cooker, wherein the temperature of the multiple continuous temperature intervals increases in turn, and the corresponding heating power of the multiple continuous temperature intervals decreases in turn; when the electric cooker performs the cooking program, the temperature of the electric cooker is detected in real time; and the temperature interval of the temperature of the electric cooker is judged so as to acquire the corresponding heating power, and heating control is performed on the electric cooker according to the acquired heating power. According to the heating control method, the adopted heating power is lower when the temperature of the electric cooker enters the higher temperature interval so that the temperature of the electric cooker is enabled to slowly increase, the accuracy of temperature detection can be enhanced, the safety of the electric cooker can be enhanced and the difference between different electric cookers can be reduced.

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 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 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 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 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.

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 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.