34results about How to "Accurate temperature monitoring" patented technology

The invention relates to a totally-enclosed combined electric appliance GIS wireless temperature online detect device, comprising an induction current transformer, a power circuit, a temperature sensor, a signal convert circuit, a wireless emitter, a wireless emitting antenna, a wireless receiving antenna, and a wireless receiver connected with the input of a computer information processing system, wherein the induction current transformer is sheathed on a conductive line, which output is connected with the input of the power circuit, the output of the power circuit is respectively connected with the power ends of the signal convert circuit and the wireless emitter, the temperature sensor is contacted tightly with a detected conductive part, the output of the temperature sensor is connected with the input of the signal convert circuit which output is connected with the input of the wireless emitter, the output of the wireless emitter is connected with the wireless emitting antenna, and the wireless receiving antenna is connected with the input of the wireless receiver. The invention can realize wireless temperature online detection, with simple, safe and accurate characters.

The invention discloses a method and equipment for producing an organic fertilizer from solid waste residues. The equipment comprises a vehicle body, a carriage, a raw material treatment mechanism, afirst-stage fermentation tank body and a second-stage fermentation tank body, wherein the carriage is installed on the vehicle body, the raw material treatment mechanism is installed at the end, awayfrom a vehicle head, of the inner side of the carriage, and a discharging port of the raw material treatment mechanism is connected to the first-stage fermentation tank body through a scraper conveying belt. The device is mounted in a movable carriage; the carriage can be placed on a transport vehicle, transportation is conveniently achieved according to the place of raw materials and the place ofused materials, compared with traditional organic fertilizer fermentation, the fermentation equipment part involved in the equipment is improved, the two fermentation tank bodies are adopted for secondary fermentation, and fermentation is more complete; in addition, the fermentation device is improved, and temperature monitoring during fermentation is more accurate.

The application discloses a semiconductor device, comprising: a cavity, an infrared temperature measurement sensor, a temperature measuring turntable and a transmission device; the top of which is provided with a first temperature measurement window; the infrared temperature measurement sensor is located outside the cavity, and the temperature measurement end of the infrared temperature measurement sensor faces the first temperature measurement window; the temperature measuring turntable is positioned in the cavity and is fixedly arranged with the top of the cavity, and the temperature measuring turntable is provided with at least two second temperature measuring windows; the transmission device is connected with the temperature measuring rotary table and used for driving the temperature measuring rotary table to rotate, rotating one of the at least two second temperature measuring windows to the position below the first temperature measuring window and enabling the second temperature measuring window to be located on an infrared light receiving path of the infrared temperature measuring sensor; and infrared light radiated in the cavity penetrates through the second temperature measurement window and the first temperature measurement window and is received by the temperature measurement end of the infrared temperature measurement sensor. According to the semiconductor device, long-time temperature monitoring of the interior of the cavity can be realized.

An optoelectronic module includes a semiconductor structure with a substrate having a first side and a second side, a first layered structure deposited on the first side, and a second layered structure deposited on the second side. The optoelectronic module also includes driver circuitry fabricated of the first layered structure and a diode laser fabricated of the second layered structure. The driver circuitry produces a drive electrical signal supplied to the diode laser, and the diode laser produces an optical output in response to the drive electrical signal. In a preferred embodiment, the optoelectronic module also includes a temperature-sensitive element fabricated of the first or the second layered structure. The temperature-sensitive element produces a temperature dependent control signal related to the diode laser temperature.

An optoelectronic module includes a semiconductor structure with a substrate having a first side and a second side, a first layered structure deposited on the first side, and a second layered structure deposited on the second side. The optoelectronic module also includes driver circuitry fabricated of the first layered structure and a diode laser fabricated of the second layered structure. The driver circuitry produces a drive electrical signal supplied to the diode laser, and the diode laser produces an optical output in response to the drive electrical signal. In a preferred embodiment, the optoelectronic module also includes a temperature-sensitive element fabricated of the first or the second layered structure. The temperature-sensitive element produces a temperature dependent control signal related to the diode laser temperature.

The invention provides a temperature detection method for a permanent magnet synchronous motor, and the method comprises the following steps: injecting an AC signal into a d-axis reference current, enabling an a-phase current ia and a line voltage Uab to generate a DC component, and then obtaining an average value Iadc of the a-phase current ia; calculating an average value Uabdc of the three-phase line voltage by combining the dead zone, the tube voltage drop and the switch delay; and calculating the resistance value Rs of a stator winding by combining the average value Iadc and the average value Uabdc, and calculating the current temperature Ts of the motor according to the relationship between the resistance value Rs of the stator winding and the temperature. According to the temperature detection method of the permanent magnet synchronous motor, only the alternating current signal needs to be injected into the reference current of the d axis, disturbance to the torque of the motoris avoided, and temperature monitoring of the permanent magnet motor is more accurate.

The invention discloses an electric device temperature monitoring system which comprises a plurality of optical fiber temperature sensors, an optical fiber demodulator and a monitoring computer. The optical fiber temperature sensors and the optical fiber demodulator are connected in series through transmission optical cables and the optical fiber demodulator is connected with the monitoring computer through electric signals. According to the mode, the electric device temperature monitoring system can conduct accurate temperature monitoring on an operated electric device and is simple in structure, resistant to electromagnetic interference and high in monitoring accuracy.

The invention provides a static leveling instrument. According to the static leveling instrument, a pressure sensor is vertically arranged, and the left side and the right side of the pressure sensorare respectively charged with an anti-freezing solution and a gas, so that the interference of gravity to a detection result due to horizontal arrangement of the pressure sensor can be overcome; the middle part of a shell body protrudes into a second cavity to form an annular protruding part, and the pressure sensor is fully wrapped by the anti-freezing solution, so that the influence of the temperature of the shell body on reading is reduced; a temperature sensor is arranged at the end portion of a T-shaped plate, the temperature sensor can be fixed, deviation caused by different installationpositions is prevented, the temperature sensor directly measures the temperature in the pressure sensor, and temperature monitoring is more precise; and a heat insulation layer is arranged between the pressure sensor and the shell body, so that errors caused by extrusion of the pressure sensor due to thermal expansion and cold contraction of the shell body can be prevented, and the precision is higher.

A bearing assembly is provided with an improved mounting for a temperature sensor for monitoring a temperature of a race of the bearing. The assembly includes a temperature sensor assembly mounted to the race of the bearing and a thermal insulator arranged to thermally insulate the sensor from heat exchange with the surrounding environment and / or neighbouring components to which the bearing or assembly is mounted, in order to improve accuracy, reliability and speed of response of the temperature sensor readings.

The invention relates to a poultry egg warming device based on Internet of Things. The poultry egg warming device comprises a cabinet body, wherein a cabinet door and an operation and control interface are arranged at one side of the cabinet body; the cabinet door is provided with a handle; the cabinet body is internally provided with a plurality of fixing units and a plurality of warning units; the quantity of the fixing units is the same as that of the warning units, and the fixing units correspond to the warning units one by one; the warning units are arranged above the fixing units; each fixing unit comprises two fixing plates which are arranged horizontally; the poultry egg warming device based on Internet of Things guarantees that poultry eggs are at a suspended state due to a mutual effect of a coil magnetic field in an angle adjusting device and a magnetic field of a magnet, and the possibility that the poultry eggs collide to be broken is avoided; meanwhile, the poultry eggs are uniformly heated and warming work of the poultry eggs is facilitated; moreover, a triode in a temperature monitoring circuit in the cabinet body is used as a temperature sensor, so that the accuracy of temprature monitoring is guaranteed, the cost is reduced, the cost performance and the practicability of the device are improved.

The invention relates to a heat treatment unit of a gluing developing machine. The heat treatment unit comprises more than two separate heating plates, wherein each separate heating plate is provided with at least one temperature sensor; and the more than two separate heating plates are combined into a round heating plate. A plurality of independent separate heating plates are respectively designed and mutually uninfluenced to form a large round heating plate, so that the temperature is more accurately controlled; each separate heating plate is provided with the at least one temperature sensor, so that the temperature is more accurately monitored, and an alarm can be timely given once a problem occurs; meanwhile, the heat treatment unit is easier to maintain, only the corresponding damaged separate heating plate is needed to be replaced and the whole large heating plate is not required to be replaced, so that cost is low, the heat treatment unit is easy to operate, and time is saved.

The invention proposes a static level. By setting the pressure sensor vertically, the left and right sides of the pressure sensor are connected with antifreeze and gas respectively, which can overcome the interference of gravity on the detection result caused by the horizontal pressure sensor; The second cavity protrudes to form a ring-shaped protruding part, and the pressure sensor is fully wrapped by antifreeze, which reduces the influence of the shell temperature on the reading; by setting the temperature sensor at the end of the T-shaped plate, the temperature sensor can be fixed to prevent different installation positions. The deviation, and the temperature sensor directly measures the temperature inside the pressure sensor, and the temperature monitoring is more accurate; the heat insulation layer is set between the pressure sensor and the shell, which can prevent the shell from thermal expansion and contraction caused by the extrusion of the pressure sensor. higher.

The invention discloses a power distribution cabinet and a temperature adjustment method thereof. The power distribution cabinet comprises a cabinet body, a temperature adjustment module, a temperature sensor, a micro-control unit, a display module, a communication module and a storage device, wherein the temperature sensor, the micro-control unit, the display module, the communication module and the storage device are arranged in the cabinet body; the temperature sensor, the display module, the temperature adjustment module, the communication module and the storage module are electrically connected with the micro-control unit separately; the temperature sensor comprises a first temperature sensor group, a second temperature sensor group and a third temperature sensor group; the first temperature sensor group is arranged at the position, close to the bottom surface, of the cabinet body; the third temperature sensor group is arranged at the position, close to the top surface, of the cabinet body; the second temperature sensor group is arranged between the first sensor group and the second sensor group; and the display module comprises normal, warming and alarming three-color background lights. According to the power distribution cabinet, the internal temperature can be accurately displayed and measured, the temperature is intelligently adjusted, and the work stability and reliability of the power distribution cabinet are improved.

The invention provides an online fault monitoring device for power capacitors. Device composition ： The power capacitor temperature real-time online monitoring device is composed of a wireless digital temperature sensor (DWT), a management host and a base station (BS). The data measured by the wireless digital temperature sensor is transmitted to the base station, and the base station transmits the temperature data to the management host. The invention installs a wireless digital sensor on the capacitor, the temperature data measured is through the communication interface or the management host, and the temperature rise state of the capacitor is detected and controlled in real time through the management host. It has the advantages of convenient management, timely and accurate temperature monitoring and long-distance transmission of temperature data. It is suitable for application in the monitoring and management of the temperature of power capacitors in the electric power field.

A bearing assembly is provided with an improved mounting for a temperature sensor for monitoring a temperature of a race of the bearing. The assembly includes a temperature sensor assembly mounted to the race of the bearing and a thermal insulator arranged to thermally insulate the sensor from heat exchange with the surrounding environment and / or neighboring components to which the bearing or assembly is mounted, in order to improve accuracy, reliability and speed of response of the temperature sensor readings.

The application discloses a semiconductor device, comprising: a cavity, a first temperature measurement window is arranged on the top of the cavity; an infrared temperature measurement sensor is located outside the cavity, and the temperature measurement end of the infrared temperature measurement sensor faces the the first temperature measurement window; a temperature measurement turntable, which is located in the cavity and is fixedly arranged with the top of the cavity, and the temperature measurement turntable has at least two second temperature measurement windows; a transmission device, which is connected with the temperature measurement The turntable is connected for driving the temperature measuring turntable to rotate, rotating one of the at least two second temperature measuring windows to below the first temperature measuring window, and making the second temperature measuring window located in the on the infrared light receiving path of the infrared temperature measurement sensor, so that the infrared light radiated in the cavity passes through the second temperature measurement window and the first temperature measurement window and is received by the temperature measurement end of the infrared temperature measurement sensor . The above semiconductor device can realize long-term temperature monitoring inside the cavity.

The present application discloses an integrated temperature monitoring system, which includes a multi-point temperature detection module, the multi-point temperature detection module includes a radiator and a plurality of temperature detection components arranged inside the radiator, and the radiator is used for Attached to the IGBT module, the temperature detection component contacts the surface of the IGBT module for detecting the temperature data of the IGBT module; the data acquisition and processing module is electrically connected to the multi-point temperature detection module for Obtain the temperature data detected by each temperature detection component on the multi-point temperature detection module, and analyze the temperature data through a preset data analysis strategy to determine the temperature value of the IGBT module. Through the above system, the temperature data on the IGBT module can be detected at multiple points, and the obtained temperature data can be corrected to ensure the accuracy of the data and achieve the effect of accurately monitoring the temperature of the IGBT module.

The invention belongs to the field of material composition, and particularly relates to a flat belt type compounding process. According to the process, firstly, high-temperature heating is performed through a strip-shaped heating plate; the temperature is uniformly conducted onto a Teflon flat belt; further, the composite materials on the Teflon flat belt and glue attached onto the composite materials are preheated and prepressed; then, the composite materials are pressed again through a pair of press rollers; then, the composite materials are cooled and shaped by the strip-shaped cooling plate; finally, materials are conveyed out through the Teflon flat belt; the total compounding of the materials is completed. The invention also provides equipment used for realizing the process. According to different composite materials, through controlling the temperature, the speed and the pressure, the materials are perfectly attached and have high intensity; the upper and lower Teflon flat belts achieve uniform gaps and precise gap regulation; the flatness and no drape of the surface composite materials are ensured.