559 results about "Thermocouple" patented technology

The invention discloses a thermal control instrument fault self-diagnosis system based on multi-source data fusion, and relates to the technical field of prediction and health management. The thermal control instrument fault self-diagnosis system based on multi-source data fusion comprises the following steps: a data collection and arrangement module used for collecting thermal control state data in real time and preprocessing the thermal control state data; the feature construction and extraction module is used for performing thermal deviation anomaly judgment on the preprocessed thermal control state data; the state intelligent evaluation module is used for performing temperature trend comparison on the thermal control state data after the thermal deviation abnormity judgment; the diagnosis linkage control module is used for fusing thermal deviation abnormity judgment and a temperature trend comparison result to execute control and participate in adjustment; and the result displaying and filing module is used for sorting and recording the measuring point diagnosis result and the processing state. The problems that false alarm is caused by wall temperature thermocouple signal drifting and abrupt change, fusion analysis of adjacent measuring points and operation states is lacked, and real overheating and instrument faults are difficult to distinguish are solved.

The invention relates to the technical field of task scheduling, in particular to a task scheduling optimization system for a smelting process, which comprises a furnace temperature identification module, a hot load analysis module, a load screening module, a sorting regulation and control module and a task joint control module. According to the method, a stable operation section is screened based on thermocouple time sequence temperature difference fluctuation characteristics, task identification is ensured to be in tight fit with a real metallurgical process state, furnace profile thermal parameters and raw material attributes are introduced to dynamically estimate task thermal loads, and the heat adaptation relation between tasks and equipment is determined; safety load interval limitation is set in the screening task and furnace body combination process, the safety and matching precision of resource allocation are improved, meanwhile, cooling period limitation is embedded in task sorting to recognize delay tasks, scheduling continuity and task connection reasonability are enhanced, the capacity of a scheduling strategy for responding to actual operation constraints is improved, and the service life of the scheduling strategy is prolonged. The overall optimization of accurate task screening, reasonable load distribution and ordered scheduling sequence is realized.

The invention provides an inclined variable-angle aircraft interstage separation ground test device. The inclined variable-angle aircraft interstage separation ground test device comprises an aircraft separation device, an angle adjusting device, a temperature control and acquisition device, a vibration control and impact acquisition device, an ignition control device and a device base. The angle adjusting device comprises a device side plate, an arc groove, an angle ruler, a separation mechanism mounting plate, a supporting hinge, a supporting rod, an adjusting sliding rail, an adjusting base, a locking device, a device base gradienter, a rotating bearing and an auxiliary fixing block. The temperature control device comprises a quartz lamp array heating cage, an outer wall temperature control thermocouple and an inner wall temperature acquisition thermocouple, and can simulate a pneumatic heating environment at a separation moment, so that the thermal deformation matching capability of the separation mechanism in a high-temperature environment and the operation reliability of the separation mechanism are obtained. The vibration control and impact acquisition device is composed of a vibration table, a vibration control sensor and an impact sensor.

The invention discloses a distributed SCR (Selective Catalytic Reduction) denitration system and an accurate ammonia spraying control method thereof, and relates to the field of flue gas removal. According to the method, a first collection point, a second collection point and a third collection point are arranged in the distributed SCR denitration system; a thermocouple array, a differential pressure sensor and a flow velocity sensor are respectively arranged at a top airflow inlet, a middle catalyst channel area and a bottom smoke outlet of the catalyst module, so that a disturbance acquisition system covering multiple areas of the tower body is formed, and gas temperature original data, differential pressure original data and flow velocity fluctuation original data are acquired. Feature extraction and normalization preprocessing are carried out on original disturbance data in a control platform to form a standardized disturbance ammonia spraying vector set, so that layered disturbance field perception and ammonia spraying fine control support are realized on the structural level, ammonia spraying configuration redundancy or insufficiency caused by local information loss is avoided, the ammonia water utilization efficiency of each module is improved, and the system performance is improved. And the ammonia spraying accuracy of the whole tower is improved.

The invention discloses a boiler SNCR denitration control method and system capable of automatically adjusting ammonia injection, and relates to the technical field of boiler denitration, the system comprises a reducing agent supply unit, a multi-stage injection unit, a temperature monitoring network, a flue gas analysis monitoring module and a control unit; the reducing agent supply unit consists of a urea solution storage tank, a high-pressure conveying module and a parallel filtering branch; the multi-stage spraying unit comprises a plurality of layers of atomizing spray gun arrays; the temperature monitoring network is provided with a plurality of groups of thermoelectric couples; by means of the control system and the control method, the temperature of flue gas in the boiler can be monitored in real time, opening and closing of the atomization spray gun are controlled through the control system according to the temperature of the flue gas, accurate matching of the ammonia spraying amount is achieved, the denitration efficiency condition is monitored in real time, waste of urea solution consumption is avoided, and the denitration raw material cost is reduced; automatic ammonia spraying adjustment of the boiler SNCR denitration system is achieved, and the situation that the operation cost is increased due to over-spraying of a urea solution is avoided.

The invention relates to the technical field of boiler temperature measurement, and discloses a boiler furnace temperature field measurement system based on multi-sensor fusion. According to a temperature acquisition module of the system, a plurality of groups of infrared temperature measurement sensors and thermocouple sensors are arranged in preset space grids of a boiler hearth, and real-time temperature data of each space grid are synchronously acquired; the data fusion module performs time alignment and space registration on the acquired data to generate a space-time synchronous original temperature data set; the noise suppression module performs multi-scale decomposition on an original data set based on wavelet transform, extracts a high-frequency noise component and performs adaptive filtering, and outputs a temperature data sequence after noise reduction; the temperature field reconstruction module reconstructs a hearth three-dimensional temperature field distribution model through a radial basis function interpolation algorithm according to the denoised data sequence; and the dynamic compensation module calculates the heat conduction lag compensation amount of the temperature field distribution model according to the flowing speed of the flue gas in the hearth and the working condition parameters of the combustor, and generates a compensated dynamic temperature field model.

The invention provides a cladding lithium lead heat source loop intermittent temperature maintaining system and a control method, and belongs to the field of fusion reactor temperature control systems, and the cladding lithium lead heat source loop intermittent temperature maintaining system comprises a cladding lithium lead heat source inlet and outlet branch, a lithium lead heat source utilization branch, a heating branch and a control loop; the lithium-lead heat source utilization branch and the heating branch are connected in parallel to an outlet of a lithium-lead heat source lower connecting pipe of the cladding lithium-lead heat source inlet and outlet branch; the heating branch comprises a third valve, an electric heater and a second pump which are connected in sequence; an outlet of the second pump is respectively connected to the first valve on the cladding lithium lead heat source inlet and outlet branch and the second valve on the lithium lead heat source utilization branch; and the control loop comprises a plurality of thermocouples and a flow meter, and is used for monitoring the temperature and the flow of each position for cooperatively realizing the intermittent temperature maintenance of the cladding lithium lead heat source loop and controlling the start and stop or the opening degree of the first valve, the second valve, the third valve, the electric heater and the second pump. The solidification risk of the lithium-lead medium is overcome, and the safety of the system is improved.

The invention relates to the technical field of microfluidics, in particular to a carbon quantum dot hydrothermal synthesis system and method based on microfluidics thermal field equilibrium, which comprises a thermal field sensing module, an equilibrium analysis module, a thermal field coupling module, an equilibrium regulation and control module and a closed loop execution module, the thermal field sensing module is used for collecting array temperature on the surface of the micro-fluidic chip and fluid pressure data in a flow channel, and reconstructing three-dimensional temperature distribution in the micro-channel through a multi-physics field coupling algorithm to obtain a real-time thermal field state matrix. According to the invention, by constructing a multi-physical field coupling algorithm of a thermocouple array-flow resistance model-conjugate heat transfer equation, the three-dimensional temperature distribution of the fluid in the micro-channel can be inverted and reconstructed by using surface temperature and pressure data, so that a control system can pass through a chip matrix, and the temperature of the fluid in the micro-channel can be controlled. The radial temperature gradient and the axial thermal distortion in the fluid are directly sensed, the hysteresis and the error of sensor measurement are eliminated, and a real physical basis is provided for accurate temperature control.

A UV disinfectant system may include a chamber having a wall that is transparent to a disinfecting radiation. Liquid may be flowed through the chamber for treatment by exposure to the radiation. The chamber may include a static mixer having vanes to impede laminar flow of the liquid during treatment. The vanes extend into the flow path of the liquid through the chamber. A gap is defined between the vanes and the transparent wall. A cabinet may house the chamber and radiation emitting bulbs. Blowers may be operably coupled to a temperature sensor and flow meter and positioned at a lower end and upper end of the cabinet to urge air out of the cabinet. The temperature sensor may include a thermocouple. The blowers may be variable speed blowers. The system may include a controller to control system operations. The controller may be remotely accessible to monitor or control operations.

The invention discloses a multifunctional supporting rack for a small attitude and orbit control thruster and a use method, and relates to the technical field of ground test supporting racks for spacecraft attitude and orbit control thrusters, and the multifunctional supporting rack comprises an inverted trapezoidal supporting frame, a three-degree-of-freedom fine adjustment mechanism, a rigidity maintaining mechanism, an overtemperature sensing mechanism and a thrust sensing mechanism; according to the invention, the inverted trapezoidal supporting frame and the triangular force transmission frame are cooperated to disperse the counter-acting force of the thruster, so that the structure is simplified to realize high-rigidity stability and adapt to the limited space of a high-vacuum cabin; the thrust is measured in a non-intrusive mode through a tension and pressure sensor, the high temperature of the throat is indirectly monitored by combining an aluminum alloy heat conduction sheet with a K-type thermocouple, and the defects of a traditional measurement scheme are overcome. The functions of multi-degree-of-freedom fine adjustment, thrust measurement, temperature monitoring and the like are integrated, space occupation and test interference are reduced, and the problems that an existing rack is bloated in structure, poor in function compatibility and limited in extreme working condition measurement are solved.

The application provides a MEMS differential thermal analysis sensor and a DTA / DSC testing method, the sensor comprising a detection thermocouple, a reference thermocouple, an ambient resistance and a shielding ring, wherein the detection thermocouple and the reference thermocouple each comprise a single crystal silicon substrate, a heat insulation cavity, a plurality of single crystal silicon thermocouple pairs and a supporting film, the heat insulation cavity is located in the single crystal silicon substrate, the plurality of single crystal silicon thermocouple pairs are connected in series and are supported by the supporting film to be suspended above the heat insulation cavity to achieve thermal isolation, and the single crystal silicon thermocouple pair comprises an N-type single crystal silicon thermocouple and a P-type single crystal silicon thermocouple connected in series, the temperature and power sensitivity of the sensor are significantly improved, reach 28 mV / K and 100 V / W, and the noise equivalent temperature difference and the noise equivalent power reach 0.5 mK or 0.2 muW. Based on the output signal of the sensor, differential thermal analysis testing and differential scanning calorimetry testing on physical or chemical processes of material heat absorption and release can be realized, the sample consumption is small, and the testing precision is high.

The invention discloses an anti-sliding friction force testing device under the action of high-temperature hot air, which comprises a loading sealing device, an air circulation heating system, a static force loading system and a temperature measuring system, the loading sealing device comprises a bearing frame, a bottom plate, a lower flange gland, a test piece, an upper flange gland, an upper exhaust cabin, a disc type loading tool, an upper pressing plate, a window and a window pressing plate, the air circulation heating system comprises a heating system and a ventilation system, and the air circulation heating system is connected with the loading sealing device through a circulation pipeline; the static force loading system comprises an oil source control upper computer, an oil source, a cooler, a hydraulic substation, a static force loading upper computer, a servo oil cylinder, a servo controller and a switching cabinet, and the temperature measurement system comprises a thermocouple sensor, a data acquisition instrument and a temperature measurement upper computer. The test system can be widely applied to the sliding friction resistance test of various wrapped interlayer assembly structures in normal temperature and high temperature states and the design and construction of the test system.

The invention discloses a test method for a strain clamp, and the method comprises the steps: carrying out the crimping and drainage plate assembly of the strain clamp, and fastening a bolt on a drainage plate to a preset initial torque value through a digital display torque wrench; measuring the contact resistance of a drainage plate of the strain clamp; arranging a T-shaped thermocouple at a monitoring point position of the strain clamp; sequentially applying currents with different percent calculated current-carrying capacities to the strain clamp through a large current generator, and recording transient temperature rise data corresponding to each monitoring point position; and measuring the contact resistance and transient temperature rise data under different bolt torques under the current of each percentage calculation current-carrying capacity. According to the invention, the actual working state of the strain clamp under different drainage plate assembly conditions can be simulated, the bolt torque of the strain clamp is taken as an independent variable, the contact resistance between the drainage plates under different torques is measured, and the overall temperature distribution of the clamp is measured through the temperature measurement probe, so that the test accuracy is improved. Therefore, real-time measurement of three kinds of data of bolt torque, contact resistance and wire clamp temperature rise is realized.

The invention relates to the technical field of aluminum alloy ingot preparation, and discloses a high-temperature-resistant aluminum alloy ingot and a preparation method thereof. The preparation method comprises the following steps: firstly, setting chemical components in a high-temperature-resistant aluminum alloy ingot in percentage by weight to obtain preparation raw materials; preparing raw materials are put into a smelting furnace, an improved differential evolution algorithm is used for optimizing the stirring speed and the heating speed of the smelting furnace, so that the preparing raw materials are completely melted, a prepared melt is obtained, meanwhile, a refining agent is added into the prepared melt, standing is conducted, dross is collected, and a refined melt is obtained; and the casting temperature is controlled through a thermocouple multi-point calibration method, the refined melt is poured into a preheated mold, and the high-temperature-resistant aluminum alloy ingot is obtained after cooling and solidification. The high-temperature-resistant aluminum alloy ingot is obtained through burdening, smelting, refining and casting, the purpose of preparing the high-temperature-resistant aluminum alloy ingot is achieved, and the method is objective and accurate.

The invention relates to the technical field of fault diagnosis, in particular to an automatic identification method for mechanical faults of key electrical equipment, which comprises the following steps of: deploying an acceleration sensor array on a bearing seat, measuring a temperature conduction rate, mapping vibration displacement to a temperature path node, and calculating a mechanical impedance change rate; and generating an energy flow abrupt change space identifier and an electromechanical anomaly correlation index, capturing shock wave characteristics, calculating a thermal response phase angle, evaluating direction consistency, and generating a mechanical fault type determination result. According to the method, the acceleration sensor array and the embedded thermocouple are arranged, so that the real-time monitoring capability on the fault of the key electrical equipment is remarkably enhanced, the position and the property of a fault source are more accurately identified, the vibration displacement vector is associated with the change of the temperature conduction rate, the time-space precision of fault prediction is improved, and the fault prediction accuracy is improved. The abnormal mode of energy flow is disclosed, the accuracy of fault early warning is improved, the maintenance cost is reduced, and potential key electrical equipment faults are avoided.

The invention relates to the technical field of blast furnace ironmaking, in particular to a method for achieving rapid blow-in of a blast furnace through microwaves. The method specifically comprises the following steps that S1, microwave generators and waveguide tubes are installed on an iron notch, a tuyere, a bosh, the lower portion of a furnace body and the upper portion of the furnace body of the blast furnace, and an inner cavity of the furnace body serves as a heating cavity; s2, thermocouples are installed at the upper portion, the tuyere and the iron notch of the blast furnace and used for measuring the temperature of materials in the blast furnace; s3, after oven baking leakage testing is finished, charging is conducted, coke is filled below a bosh, light-load materials are filled from the bosh to the lower portion of the oven body, and normal materials are filled above the middle of the oven body; s4, all microwave generators are started to heat materials in the furnace, and the temperature of furnace charge on the middle-upper portion of the furnace body is controlled to be smaller than the temperature of furnace charge from the lower portion of the furnace body to the hearth; s5, during heating, steam or nitrogen is introduced into the furnace top for cooling; and S6, after the furnace burden is heated to a preset state, the microwave generator is turned off, and air supply blow-in is carried out. The device has the advantages of high heating speed, high efficiency and no pollution.

The invention provides a blast furnace hearth erosion detection method, equipment and a device thereof.The blast furnace hearth erosion detection method comprises the steps that temperature data of a blast furnace thermocouple and parameter data of a blast furnace hearth are obtained, and the wave velocity of ultrasonic waves in the blast furnace hearth in the blast furnace erosion state is calculated according to the temperature data and the parameter data; according to the rotation time and the wave velocity of the ultrasonic waves in the blast furnace hearth, the measured carbon brick residual thickness of the blast furnace hearth is obtained through calculation; obtaining a theoretical carbon brick residual thickness based on a heat flux conservation principle and temperature data inversion; the carbon brick residual thickness and the theoretical carbon brick residual thickness are measured through ultrasonic waves and analyzed to obtain a residual thickness difference value, and the blast furnace hearth condition is judged according to the residual thickness difference value. According to the embodiment of the invention, the erosion degree of the carbon brick is accurately reflected by measuring the residual thickness of the carbon brick and the theoretical residual thickness of the carbon brick, so that measures beneficial to the safety of the hearth are guided, the burning-through risk of the hearth is reduced, a scientific theoretical basis is provided for prolonging the service life of a blast furnace, and the method has a wide application prospect.

The invention provides an engine cylinder cover thermal fatigue virtual test verification method and system, and relates to the technical field of virtual simulation modeling, and the method comprises the steps: obtaining the micro-macro parameter characteristics of an engine cylinder cover; constructing a parameterized model of micro-macro coupling; performing reverse solution on the control parameters of the physical rack based on a target temperature circulation curve set by a user to obtain a boundary condition parameter set required by a virtual test; generating a virtual-real homologous file according to the parameterized model and the boundary condition parameter set; actual measurement temperature data after the physical rack executes the control instruction file and simulation temperature data after the finite element analysis software executes the simulation input file are collected; according to the two-dimensional topological structure of the fire power surface, virtual thermocouple measuring point coordinates are generated; establishing data channel mapping according to the measuring point coordinates of the virtual thermocouple; calculating temperature errors of the plurality of measuring points; when the temperature error exceeds a threshold value, a correction prompt for the measuring point is output; and verifying the parameterized model according to the correction prompt.

The invention discloses a pouring temperature adjusting method and system combined with a multi-dimensional sensor, and relates to the technical field of pouring temperature control. The method comprises the following steps: performing temperature control key anchor point analysis based on a historical casting quality detection record set to obtain a temperature control abnormal anchor point set; obtaining an infrared sensor array and a thermocouple temperature sensor array; performing pouring temperature time sequence acquisition according to a preset monitoring frequency to obtain an infrared monitoring temperature value sequence array and a thermocouple monitoring temperature value sequence array; performing double analysis on temperature distribution uniformity and temperature fluctuation, and determining a temperature regulation and control scheme; and the pouring temperature of the target thin-wall automobile casting is dynamically regulated and controlled based on the temperature regulation and control scheme. The technical problem that in the prior art, the casting quality is unstable due to the fact that the pouring temperature of a thin-wall automobile casting is not accurately regulated and controlled is solved, accurate pouring temperature regulation and control are achieved through multi-sensor cooperative monitoring and temperature control key anchor point dynamic adjustment, and the technical effect of improving the casting quality stability is achieved.

The invention discloses a cable system bridge large-scale substructure dynamic temperature control fire test method, relates to the technical field of bridge structure fire resistance test, and aims to generate an open space non-uniform temperature field through fire dynamics simulation software to reproduce a real vehicle fire scene. A modular fireproof fence is additionally arranged to construct a closed space, and a standard fire heating curve test is carried out. An LSTM-PID intelligent control system is adopted to drive a self-balancing loading reaction frame to apply load according to a preset graded loading system, and dynamic reproduction of a three-dimensional wind-fire-force coupling scene is achieved. The test is suitable for a main cable and a sling of a suspension bridge, a stay cable of a cable-stayed bridge and a suspender of a suspender arch bridge, an armored thermocouple array, a fiber grating sensor and a strain gauge group are arranged on the surface of a large-scale or full-scale component, stress, displacement and temperature data are collected in real time, an instruction error is dynamically corrected in combination with an LSTM time-delay compensation algorithm, and the test accuracy is improved. And second-level synchronization of loading and fire scene regulation and control is ensured.

The application discloses a kind of online judgment ZL114A alloy modification level thermal analysis method, comprising: 1) in the production smelting process of ZL114A alloy, a certain amount of cast aluminum melt is sampled, and is poured in square sample cup with thermocouple, and the cooling curve of aluminum liquid solidification process is collected using thermal analysis instrument, and the temperature data in cooling process is obtained;2) the temperature data of the collected aluminum liquid solidification process is filtered, the interference in the experimental process is excluded, and the temperature characteristic value required for subsequent analysis is extracted;3) the temperature characteristic value of ZL114A in cooling process extracted from cooling curve is substituted into modification grade evaluation model, and the modification grade of ZL114A evaluated by software online is obtained.The method of the application uses modification grade calculation model to evaluate and calculate the modification grade of target aluminum liquid, can make more rapid, more accurate judgment to the modification effect of ZL114A alloy, provide basis for the dynamic adjustment of the addition amount of modifier in production process, and guarantee the yield of ZL114A alloy.

The utility model relates to the technical field of thermal radiation testing equipment, and particularly provides a surface thermal radiation testing device, which comprises a fixed bracket, a heating substrate and a first receiving substrate, and is characterized in that the fixed bracket is provided with a hollow cavity; the emission substrate is vertically arranged in the hollow cavity; the emission substrate is used for emitting heat radiation; the first receiving substrate is located on one side of the transmitting substrate, and the first receiving substrate is vertically arranged in the hollow cavity; a first test space is formed between the transmitting substrate and the first receiving substrate; the transmitting substrate and the first receiving substrate respectively form a thermocouple structure, and the surface thermal radiation value of the to-be-detected material placed in the first testing space is obtained through comparison and calculation. The transmitting substrate and the first receiving substrate of the surface heat radiation testing device are both vertically arranged in the hollow cavity, and the centers of the transmitting substrate and the first receiving substrate are positioned on the same axis and are aligned, so that the result of each test can be repeated.

The invention discloses a temperature sensor system compatible with SENT and PWM communication. The temperature sensor system comprises a thermocouple probe and a signal conditioning and protocol generating circuit. The SENT protocol hardware encoder is connected with the signal conditioning module and is used for encoding the temperature data into SENT frame signals; the PWM protocol hardware modulator is connected with the signal conditioning module and used for modulating the temperature data into PWM signals; and the protocol switching control module is connected with the digital configuration interface and is used for responding to a configuration instruction received through the digital configuration interface and activating the SENT protocol hardware encoder or the PWM protocol hardware modulator, so that the output of the temperature sensor system is switched between the SENT frame signal and the PWM signal. According to the invention, while the SENT and PWM protocols are compatible, the material cost is reduced and the operation convenience is improved.

The invention discloses a chemical equipment rapid oil return controllable device which comprises a residual oil cooler, a rotor flow meter, a liquid visual mirror and a recovery tank which are sequentially connected through pipelines to form a continuous closed oil way channel, and is characterized in that the oil inlet end of the residual oil cooler is connected with a movable joint; the oil outlet end of the residual oil cooler is connected with an inlet of a rotor flow meter, an outlet of the rotor flow meter is connected with a liquid visual mirror through a pipeline, the liquid visual mirror is connected with a recovery tank, a temperature thermocouple is arranged on a pipeline at the oil outlet end of the residual oil cooler, and the temperature thermocouple is electrically connected with a control valve. The control valve is arranged at a cooling water inlet of the residual oil cooler; wherein a temperature thermocouple is arranged at the oil outlet end of the residual oil cooler and is electrically connected with a control valve at a cooling water inlet, so that the temperature of the residual oil is dynamically controlled.

The invention discloses a circulating hot compress control method for improving the external application curative effect of Zhuang Yao medicine, and relates to the technical field of circulating hot compress. A double-point thermocouple sensor and an NTC thermistor are cooperatively arranged, and time lag and local temperature dynamic characteristics in the skin heat conduction process are accurately recognized; the delay behavior between surface layer heat absorption and deep layer heat diffusion can be distinguished in detail. By collecting and fitting four thermal behavior parameters of skin temperature rising slope delta pT, thermal response inertia time Tr, local heat conduction delay time Tag and maximum temperature difference delta Tu, a complete characteristic curve of a hot compress start-peak value-lag-attenuation process is established, and multi-dimensional comprehensive description of the skin heat sensitivity state is realized. Through the comprehensive evaluation index phi cyc, the system can accurately identify whether the current hot compress is effective or deviates, so that a definite and quantifiable feedback basis is provided for doctors or users, and the formation of a thermal therapy curative effect file and a data record is facilitated.

The invention discloses a temperature monitoring system suitable for a fusion reactor low-clutter system and an over-temperature protection method. The temperature monitoring system comprises a high-speed temperature acquisition unit, a thermocouple sensor, an industrial control upper computer and a database server. A microwave excitation signal of the microwave excitation source is amplified by the microwave source klystron and then transmitted to the low-clutter coupled antenna through the microwave transmission line, and a plurality of temperature measuring points are arranged on the waveguide surface of the microwave transmission line and the end face of the low-clutter coupled antenna. Measurement output ends of the thermocouple sensors are uniformly accessed and gathered into the high-speed temperature acquisition unit and are uploaded to the industrial control upper computer, and the industrial control upper computer records and stores acquired multi-channel real-time temperature data, control signal output values and alarm events into the database server. The method has the advantages that early warning and temperature regulation are carried out for potential thermal runaway faults, so that the equipment safety of a high-power microwave transmission device and the normal operation of a low-clutter current driving system are guaranteed.

The invention relates to the technical field of aero-engine high-temperature and high-pressure testing, and particularly discloses a double-working-condition high-temperature-resistant total temperature sensing part which is suitable for a cooling-free working condition and a cooling working condition and comprises a shell, a lead device, a mounting base and a supporting framework. The shell comprises a front test piece and a rear protective sleeve which are formed by integrally weaving a ceramic matrix composite material; the windward side of the front test piece is semi-cylindrical, a temperature taking cavity is formed in the front test piece, an air leakage hole is formed in the outer wall, and a thermocouple is mounted in the temperature taking cavity; the lead device comprises a ceramic tube, a lead tube and a shielding cable accessory; the front test piece and the rear protective sleeve are connected by the support framework through a stepped combined groove, and a bent water cooling pipeline is formed in the support framework; and a cavity between the supporting framework and the front test piece is filled and sealed by high-temperature cement. According to the invention, short-time high-temperature measurement can be realized under a non-cooling condition, and long-time stable total temperature acquisition capability can be obtained under a cooling condition, so that structural reliability and temperature measurement precision in an extreme gas environment are both considered.

The utility model discloses an exhaust type side feeding cylinder body combined structure of a double-screw extruder, which comprises a side exhaust cylinder body, an exhaust material stopping block and a side feeding cylinder body, a cooling water channel II is arranged in the cylinder body wall of the side exhaust cylinder body, a heater mounting screw hole II is formed in the outer wall of the cylinder body, a thermocouple mounting hole II is formed in the lower part of the cylinder body, and a hard alloy sleeve II is embedded in the cylinder body; the exhaust material stopping block is fixedly arranged at the side opening of the side exhaust cylinder body and is provided with a side exhaust hole corresponding to the side opening of the side exhaust cylinder body; a cooling water channel I is arranged in the cylinder wall of the side feeding cylinder, a heater mounting screw hole I is formed in the outer wall of the cylinder, a thermocouple mounting hole I is formed in the lower part of the cylinder, a hard alloy sleeve I is embedded in the cylinder, and a side feeding machine mounting hole of the side feeding cylinder is connected with a side feeding machine. The barrel combined structure can discharge water vapor and volatile matters generated after the filling material is heated in time, so that the mixing modification performance of a high polymer material after a specific material is added is improved.

The present invention discloses a semiconductor process chamber comprising a thermocouple. The thermocouple comprises a sleeve enclosing an inner core conductor and having a downstream end and an upstream end. The downstream end serves as a temperature-sensing portion and is inserted into a component to which radio frequency (RF) is applied, while the upstream end is electrically connected to a chamber. The chamber is characterized in that the chamber is grounded, allowing current induced by RF on the sleeve surface to flow through the chamber to the ground, shielding the RF within the chamber.