46results about How to "Real-time measurement of temperature" patented technology

The invention provides a radio-frequency ablation electrode with uniform surface temperature, which comprises a radio-frequency needle, a control collector, a gas container, an exhaust cavity and a gas receiving vessel, wherein the surface of the radio-frequency needle is coated with an insulating layer, and a needle point is exposed; the radio-frequency needle is hollow, and a gas conveying pipe, a temperature sensor and a radio-frequency wire are arranged inside the radio-frequency needle; both ends of the temperature sensor and the radio-frequency wire are connected with the tip of the radio-frequency needle and the control collector respectively; the gas conveying pipe is connected with the gas container; and gas is filled into the gas container which has certain initial pressure. By adoption of the arrangement, uniform surface temperature of the needle point can be realized by utilization of heat exchange between the gas and the needle point, so as to prevent carbonization, thereby the radio-frequency ablation electrode can be widely applied to pathological tissues.

The invention discloses a water purifier. The water purifier comprises a water inlet tee, a ball valve, a low-pressure switch and three filter vats, wherein the water inlet tee is arranged below the ball valve and is in thread connection with the ball valve; the filter vats are respectively communicated with the ball valve and the low-pressure switch; a PP filter element, an activated carbon filter element and a ceramic filter element are respectively arranged in the filter vats; the PP filter element, the activated carbon filter element and the ceramic filter element are sequentially communicated; a booster pump and an RO membrane shell are sequentially connected with one side of the ceramic filter element; a transformer is arranged below the booster pump; the booster pump is electrically connected with the transformer; an RO membrane is arranged inside the RO membrane shell; a waste water proportioner and a high-pressure switch are connected onto the RO membrane shell; a flushing electromagnetic valve is connected with the outer side of the waste water proportioner. The water purifier is convenient to maintain and good in water purification effect, full-automatic water treatment can be realized, the temperature of outlet water can be adjusted, a water storage function is achieved, and water can be still supplied during water supply cut-off.

The invention discloses an electrorheological fluid visualization testing stand. The electrorheological fluid visualization testing stand comprises a stepping motor, a lead screw, two oil cylinders, an electrorheological valve, a signal acquisition and conversion device and a computer. The stepping motor is connected to the lead screw by a coupling. The lead screw is provided with a lead screw nut. A baffle plate is fixedly installed on the lead screw nut. The baffle plate is connected respectively to piston rods of the two oil cylinders. The piston rods of the two oil cylinders are arranged oppositely. The center lines of the piston rods of the two oil cylinders are parallel to the center line of the lead screw. Bottoms of the two oil cylinders are communicated respectively with the electrorheological valve by conduits. Two ends of the electrorheological valve are provided respectively with pressure sensors. A digital microscope and an infrared temperature sensor are located at the position of the electrorheological valve. The pressure sensors, the digital microscope and the infrared temperature sensor are connected respectively with the computer by the signal acquisition and conversion device. The electrorheological fluid visualization testing stand can realize control on different dynamic fields, recording of a change of parameters such as pressure and temperatures, and on-line image acquisition and processing on an electrorheological fluid field microscopic dynamic structure.

The invention discloses a high-speed air bearing motorized spindle. The high-speed air bearing motorized spindle comprises a machine body assembly, a rotation assembly, a motor assembly and an air bearing support assembly. The rotation assembly comprises a mandrel arranged in a cavity of an outer casing. The air bearing support assembly comprises a left radial bearing, a radial thrust bearing, a right thrust bearing and a pneumatic structure. The left radial bearing, the motor assembly, the radial thrust bearing and the right thrust bearing are arranged side by side in the cavity of the outercasing from left to right. The position, close to the right end, of the mandrel is provided with a thrust disc. The radial thrust bearing and the right thrust bearing are arranged on the left side andthe right side of the thrust disc. A gap adjusting ring is arranged on the outer periphery of the thrust disc in a sleeving mode. High-pressure gas is introduced into gaps between the mandrel and bearings through a gas path structure, thus, a gas film is formed in the gaps between the mandrel and all the bearings, and the mandrel is suspended. The high-speed air bearing motorized spindle has theadvantages of high load bearing, rigidity, precision and heat dissipation capability and simple machining and assembly process.

The invention provides a multi-point water flow temperature synchronous measurement system for a warm drainage model. The system comprises an acquisition module and a plurality of digital temperature measurement cables connected with the acquisition module, wherein each digital temperature measurement cable is connected with a plurality of temperature measurement cable connectors; the cable connectors are connected with temperature measurement rods with encapsulated digital temperature sensors; the acquisition module acquires temperature signals measured by the digital temperature sensors in the temperature measurement rods through the temperature measurement cable; and the collected temperature signals are transmitted to a computer through an isolated communication convertor for real-time data analysis. The embodiment of the invention measures water temperature by adopting the digital temperature sensors, can greatly reduce use of cables in multi-point water temperature measurement due to the fact that the plurality of digital temperature sensors are connected to one digital temperature measurement cable, has the characteristics of convenient connection, economical application and the like, and can measure and display the temperature of each temperature measurement rod in real time, so that measuring personnel can conveniently perform real-time data analysis on the measured multi-point water temperature.

The invention relates to a portable weighing and charging-integrated asphalt mixture mixing device, which comprises a mixing pot with a heating device, a horizontal base and a support skeleton arranged on the base, wherein a weighing and measuring system is arranged on the base; the mixing pot is located on the weighing and measuring system; the support skeleton is provided with a liftable and lowerable mixer; the mixer is located above the mixing pot; a mixing shaft of the mixer is sleeved with a sealing pot cover capable of sealing the mixing pot while mixing and the lower end of the mixing shaft is connected with a mixing blade; and the bottom of the mixing pot is connected with an automatic charging system. The raw materials can be directly weighed through the mixing pot, and the mass loss and the heat loss of raw materials in the transfer process are reduced, so that the dose of the raw materials is more accurate, the test temperature is more accurate, the test accuracy rate is improved, the quality of a prepared test specimen is improved, and asphalt mixture mixing, automatic weighing and charging integration is achieved.

The invention discloses a device for testing material burst at high temperature, and belongs to a piece of experimental equipment. The device comprises a high-temperature resistance furnace. The high-temperature resistance furnace comprises a furnace body and a furnace door. The front plate of the furnace body is provided with a first window, and the furnace door is hinged on the front plate of the furnace body, wherein the furnace door is provided with a second window, a quartz glass plate is installed on the second window, and the first window is communicated with the second window. The furnace door has a plurality of through-holes which are arranged in the internal cavity of the furnace body. A temperature inspecting instrument is arranged outside the furnace body, the temperature inspecting instrument is connected with a plurality of temperature sensors, and each temperature sensor passes through each through-hole and then enters the internal cavity of the furnace. The device for testing the material burst at high temperature disclosed by the invention can observe the test material burst process at high temperature, and can measure and test the temperatures of different parts of the internal part of the test material in real time.

The invention belongs to the field of chemical safety technology and engineering, and relates to a method and a device for measuring calorimetry of a non-isothermal reaction process. Reaction temperature gradients T1, T2, T3 to Tn are set according to the non-isothermal reaction, initial acquisition temperature T0 is obtained, and generation reaction heat DELTArHm (generation) is calculated and obtained; according to the non-isothermal reaction, blank experimental reaction heat DELTArHm (blank) is obtained; according to the generation reaction heat DELTArHm (generation) and the blank experimental reaction heat DELTArHm (blank), heat effect caused by temperature rise during the reaction calorimetry process is obtained and deducted, and target reaction heat DELTArHm is obtained. The method adopts a non-isothermal heat flow mode to carry out the reaction calorimetry to realize real-time collection of various heat data in the reaction process and risk assessment on the non-isothermal reaction.

The invention relates to a device for detecting the water content of coal tar. The device comprises a flask, a condensing tube, a U-shaped tube, a bent tube, a drainage bent tube and a testing tube, wherein the flask adopts a double opening flask; the bent tube in which a thermometer is arranged is communicated with the vertical opening end of the flask; the bent tube is communicated with the condensing tube; the condensing tube is transversely and obliquely arranged; the outlet end is relatively lower in position; the outlet end is communicated with the U-shaped tube; an outlet at the lower end of the U-shaped tube is inserted into a working solvent of a double-opened testing tube; and the side opening of the testing tube is communicated with that of the flash through the drainage bent tube. According to the device, a built-in thermometer is arranged inside the bent tube which is communicated with the vertical opening of the flask; the thermometer is arranged in the inner wall of the bent tube; the thermometer is integrally designed with the inner wall of the bent tube and is a part of the inner wall of the bent tube; the temperature of the fraction can be tested in real time, and the heating temperature can be controlled conveniently; and by utilizing the device, the process of testing the water content of the coal tar is more convenient and rigorous, and the testing result error is smaller.

The invention relates to an automobile tire state monitor, which consists of a pressure sensor, a temperature sensor, a battery, a signal processing unit, a wireless transmitter, a wireless receiver and a display, wherein the pressure sensor and the temperature sensor are connected with the signal processing unit through wires; the battery is connected with the signal processing unit which is connected with the wireless transmitter; a communication link is arranged between the wireless transmitter and the wireless receiver which is connected with the display; the battery is connected with a charging circuit which is connected with an induction coil; the outside of the induction coil is at least provided with a magnet; and a space is arranged between the magnet and the induction coil. The induction coil and the charging circuit are arranged inside a tire, a magnetic field is arranged on an automobile suspension outside the tire, and the battery is charged by the current generated by the induction coil, so that the automobile tire state monitor can greatly prolong the working period of the battery and avoid regular disassembly of the tire.

The invention relates to a structure for measuring the temperature and voltage inside an FPGA in real time. The structure comprises a temperature and voltage input selection module used for selecting temperature and voltage needing to be measured, an analog-to-digital conversion (ADC) module used for converting measured analog quantity into digital quantity, a control logic module used for controlling the channel mode and processing the digital measurement result, and a graphic output module used for forming a curve on a computer screen with the measurement values on a chip. The structure has the advantages as follows: real-time measurement of the temperature and voltage inside an FPGA is realized, and measurement is convenient and visual; the number of modules and pins specially used for voltage test in an FPGA is reduced; and when the temperature and voltage inside an FPGA are not within a set reasonable range, the alarm output signal is effective, the alarm is raised, and the FPGA chip is protected effectively.

The invention relates to a test platform capable of providing a low temperature environment, and belongs to the technical field of pool test. The test platform comprises a support, a toughened glass framework, an ice pushing device and a refrigeration system. The support is composed of an inner support and an outer support, and has the advantages including rapid installation and low cost. Use of the toughened glass provides convenience for video-recording and shooting of a test process. The ice pushing device can install U-shaped plates of different widths, lengths and heights according to different test requirements. A pneumatic set and a refrigerating set are used to provide the stable low-temperature environment for the test platform, ice thawing and change of mechanical properties canbe prevented effectively, and the ice state can approach the practical condition more. The test platform can be used for cutting and collision test of propeller and ice as well as collision test of ice and other structured objects, and water can be added into the toughened glass to make a ice-water-structured object test research, and thus, application range of the test platform is wider.

The invention relates to the technical field of polycrystalline silicon production, in particular to an automatic control method for a polycrystalline silicon reduction furnace, which comprises the following steps of: before the reduction furnace operates, inputting a current curve and an ideal temperature curve in an operation period of the reduction furnace into a control system of the reductionfurnace; dividing the operation period of the reduction furnace into a first stage and a second stage which respectively comprise a plurality of time points, and measuring the temperature of a silicon rod in real time at each time point; in the first stage, calculating a first compensation current according to the difference value between the measured actual temperature of the silicon rod at a certain time point and the ideal temperature corresponding to the time point on the ideal temperature curve and the current value corresponding to the time point on the current curve, so that the temperature of the surface of the silicon rod is maintained within a set temperature range; and in the second stage, calculating, by the control system, a second compensation current according to the radiation power change. According to the control method provided by the invention, the temperature of the reduction furnace in the whole production process can be accurately controlled.

The invention relates to the technical field of tea processing, in particular to a tea leaf processing device. The tea processing device comprises a boiler, a air conveying pipeline and a withering tank, wherein the boiler comprises a main body, a shell, a cold air inlet, a cold air cavity, a hot air outlet, a waste gas outlet and a combustion chamber; one end of the cold air cavity is connected with the cold air inlet, and the other end of the cold air cavity is connected with the hot air outlet, and the cold air cavity is heated by the main body in the shell; the withering tank comprises a tank body, a tea leaf placing layer and a tank body air distributing pipe, wherein a tea leaf placing layer frame is arranged in the tank body, and the tank body air distribution pipe is positioned between the tea placing layer and the bottom surface of the tank body; and one end of the air conveying pipeline is connected with the hot air outlet, and the other end of the air conveying pipeline is connected with the tank body air distribution pipe. According to the tea leaf processing device, an energy-saving boiler is used for providing a heat source for the withering tank and a fragrance enhancement cabinet, the energy-saving structure is adopted for the boiler, the heat utilization rate is high, the energy is saved, and the processing cost of the tea leaves is effectively reduced.

The invention discloses a high-power LED (light-emitting diode) with a Schottky diode for measuring the temperature. The high-power LED is characterized in that the central area of the high-power LED is provided with a Schottky diode. According to the invention, the Schottky diode for measuring the temperature is prepared on the basis of the self characteristic of the high-power LED, and when theLED works normally, the temperature of the LED can be measured in real time, therefore, the Schottky diode is very important for the application of the high-power LED and can monitor the real-time working temperature of a product applying the LED in real time.

The invention relates to a packaging structure of an MEMS pressure sensor, which comprises a base, an MEMS pressure sensor chip, a PCB (Printed Circuit Board), an ASIC (Application Specific Integrated Circuit) chip and a cover plate, and is characterized in that an adapter plate is additionally arranged on the MEMS pressure sensor chip, and double-row or multi-row leads on the MEMS pressure sensor chip are converted into single-row leads, so that the process difficulty can be reduced when the MEMS pressure sensor chip is connected with the ASIC chip; the adapter plate is additionally arranged on the MEMS pressure sensor chip, and one-time routing is divided into two-time routing, so the vertical height of a metal lead is reduced, the process difficulty of a product is reduced, and the reliability of the product is improved; moreover, a temperature sensor can be manufactured on the adapter plate, and a temperature reference is provided for calibrating the performance of the pressure sensor device.

The invention discloses a pressure loading device and workpiece pressing equipment. The pressure loading device comprises a pressing device bottom plate, a low-friction cylinder, a linear bearing, a pressure guide rod, a heat insulation workpiece pressing plate, a temperature sensor head and a workpiece pressing plate anti-rotation plate, wherein a push rod of the low-friction cylinder is connected with a first end of the pressure guide rod; the pressure guide rod is installed in the pressure applying device bottom plate, a heat insulation workpiece pressing plate is installed at a second end of the pressure guide rod, and the temperature sensor is installed on a pressure applying face of the heat insulation workpiece pressing plate; the linear bearing is arranged in the pressing device bottom plate, and the pressure guide rod is contained in the linear bearing; the workpiece pressing plate anti-rotation plate is installed below the pressing device bottom plate, and the heat insulation workpiece pressing plate is contained in an anti-rotation groove of the workpiece pressing plate anti-rotation plate; the weight of the pressure loading device is reduced; by arranging the temperature sensor head, the temperature of the workpiece to be pressed can be measured in real time, and the temperature change of the workpiece in the pressing process can be mastered at any time.

The invention belongs to the technical field of intelligent water temperature control construction in hydraulic and hydro-power engineering, and provides an integrated flowing temperature intelligentmonitoring device. In the device, a first connecting wire, a medium flow measurement device, a medium temperature measurement device, a second connecting wire, a medium flow control device, a medium temperature control device and a third connecting wire are connected in sequence so as to form an integrated pipeline, an integrated intelligent flowing temperature collecting and controlling module isconnected with the medium flow measurement device, the medium temperature measurement device, the medium flow control device and the medium temperature control device through the connecting lines, and two ends of the integrated flowing temperature intelligent monitoring device are provided with filtering devices. The integrated flowing temperature intelligent monitoring device can monitor and control temperature and flow of a medium in the pipeline in real time online, can be used for regulating temperature and flow of cooling water according to needs in mass concrete water temperature control construction, or other related industries or fields requiring monitoring of flow and temperature of mediums in pipelines.

The invention discloses a printing ink viscosity on-line measuring device which comprises a printing ink conveying main pipeline, and further comprises a measuring branch branched from the printing ink conveying main pipeline, a viscosity measuring pipe which is vertically arranged and the bottom of which is communicated with the measuring branch, a heat exchange device which is arranged outside the viscosity measuring pipe, and an upper computer. A valve is arranged on the measuring branch, and a measuring ball is arranged in the viscosity measuring pipe; the top of the viscosity measuring pipe is connected back to the printing ink conveying main pipeline through a pipeline, the upper side and the lower side of the outer side of the viscosity measuring pipe are each provided with a ball sensor, the upper computer is connected with the ball sensors, and the viscosity measuring value is calculated by obtaining the sensing time difference of the two ball sensors. The invention also discloses a viscosity online measurement method. On-line measurement of the ink viscosity is realized based on the falling ball method.