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254 results about "Operation temperature" patented technology

The operating temperature is the temperature which prevails inside equipment and piping during any intended operation. A process engineer determines the operating temperature.

Tunnel type underground gas storage combined with temperature control

The invention discloses a tunnel type underground gas storage combined with temperature control, belongs to the technical field of compressed air energy storage, and can solve the problems that the cost of temperature control measures in an existing gas storage is high, and maintenance is difficult. The gas storage comprises a lining; the sealing structure covers the inner wall surface of the lining; the breathable heat conduction structure sleeves the inner side of the sealing structure; an annular cavity is formed between the sealing structure and the breathable heat conduction structure; the annular partition pieces are sequentially arranged in the annular cavity in the axial direction of the gas storage and used for dividing the annular cavity into a first temperature control area and other temperature control areas which are sequentially arranged, and the simulated operation temperature of each temperature control area is sequentially increased from the first temperature control area; a water storage bag is arranged in each temperature control area; and the water circulation structure is arranged on the outer side of the gas storage, communicates with each water storage bag and is used for forming a circulation water path with the water storage bags. The method is used for temperature control of the tunnel type underground gas storage.
Owner:NORTHWEST ENGINEERING CORPORATION LIMITED

Full-automatic electric heating system and device based on integrated heat storage technology

The invention relates to the field of crude oil heating, in particular to a full-automatic electric heating system and device based on the integrated heat storage technology, and the system comprises a temperature scale module, a heating module and a heat storage module. The heating module is provided with all temperature control nodes of the oil gathering pipeline, target temperature difference compensation, pipe section heat loss compensation and a flow velocity correction factor are integrated, and adaptive electric heating power of all the temperature control nodes of the oil gathering pipeline is generated through a reverse cascade feedback control algorithm. The heat storage module continuously collects temperature field characteristics, operation condition characteristics and medium thermal attributes of the oil gathering pipeline, judges whether heat storage operation is triggered or not through multi-dimensional coupling evaluation, distributes heat storage media through a priority algorithm, drives a valve to switch and execute adaptive heat storage operation, and achieves precise temperature field regulation and control and energy efficiency optimization of the oil gathering pipeline. And stable crude oil transportation is guaranteed.
Owner:SHANGHAI SHENGYU TECH CO LTD

Electric reactor with stable internal coil and auxiliary heat dissipation

The invention discloses an electric reactor with internal coil stabilization and auxiliary heat dissipation, and relates to the technical field of coil stabilization, the electric reactor comprises a base, the top surface of the base is fixedly connected with an air-core electric reactor body, the outer surface of the air-core electric reactor body is provided with a coil body, and the top surface of the base is provided with a coil stabilization mechanism for preventing the coil from loosening. An auxiliary heat dissipation mechanism used for assisting heat dissipation of the reactor is arranged on the top face of the base, the coil stabilizing mechanism can clamp a loose coil, pressure can be applied more evenly through clamping and fixing, the coil is more stably fixed, the consistency of the shape and performance of the coil can be kept, and the service life of the reactor is prolonged. The clamping device can avoid direct compression and damage to an insulating layer of the coil, the insulating performance of the coil can be protected, the auxiliary heat dissipation mechanism can scrub the interior of the electric reactor, remove dust and sundries in the electric reactor, reduce heat resistance, improve heat dissipation efficiency and keep the electric reactor to operate within the normal working temperature range.
Owner:JIANGXI AOHENGDA TECH CO LTD

Method and system for estimating bearing capacity of refrigerant foil dynamic pressure gas radial bearing

The invention relates to the technical field of gas bearings, in particular to a refrigerant foil dynamic pressure gas radial bearing capacity estimation method and system.The method comprises the steps that the working temperature, the working pressure, the bearing diameter and the rotating speed when a bearing works are obtained, and a refrigerant medium is determined; obtaining the dynamic viscosity of the refrigerant according to the working temperature, the working pressure and the refrigerant medium; according to the bearing diameter, the rotating speed, the refrigerant dynamic viscosity and the main structure parameters of the bearing, a bearing capacity estimation formula of the bearing is constructed; performing iterative optimization on the main structure parameters of the bearing according to a bearing capacity estimation formula of the bearing to obtain optimal structure parameters; the main structure parameters of the bearing subjected to iterative optimization comprise the bearing length, the bearing nominal clearance and the eccentricity rate. According to the method, the bearing capacity of the bearing is estimated by selecting different bearing lengths, bearing nominal clearances and eccentricity ratio combinations, so that main structural parameters of the bearing are designed, the bearing capacity of the bearing meets the requirements, and the running eccentricity ratio is within a reasonable range.
Owner:XI AN JIAOTONG UNIV

Liftable peripheral transmission rake thickener operation system for coal washing

The invention relates to the technical field of coal washing equipment, in particular to a lifting type peripheral transmission rake thickener operation system for coal washing, which comprises a working condition sensing module used for collecting slime water concentration, rake frame torque, slag layer thickness and equipment operation temperature data; the intelligent decision-making module is used for constructing a slime water sedimentation prediction model through an LSTM-GRU hybrid algorithm according to the data, and generating an equipment operation regulation and control instruction; the lifting transmission regulation and control module is used for adjusting the vertical height of a rake frame according to a regulation and control instruction to adapt to different slag layer thickness treatment requirements, and meanwhile, combining real-time feedback of the torque of the rake frame, dynamically adjusting the rotating speed of a peripheral transmission motor and optimizing coal slime and water separation conditions; and the safety early warning module is used for monitoring parameter mutation through a sliding window algorithm, and triggering corresponding strategies of different levels when the harrow torque and the slime water concentration exceed multiple groups of adaptability thresholds. Therefore, the problems that in the prior art, the height of the rake frame is fixed, regulation and control depend on manpower, and an early warning mechanism is extensive are solved.
Owner:JIEXIU WANBAO COAL WASHING EQUIPMENT CO LTD

Oil temperature adjusting device of air compressor

The utility model discloses an air compressor oil temperature adjusting device which comprises an air inlet amount adjusting mechanism fixedly installed in an air inlet channel of an air compressor oil cooler. The air inlet amount adjusting mechanism is used for adjusting the air inlet amount in the air inlet channel of the oil cooler of the air compressor, and when the down-the-hole integrated drill carriage equipment is started in a cold machine, the cooling air inlet channel can be completely closed, so that the oil of the air compressor can reach the temperature required by working more quickly, and the working efficiency is improved. The air compressor oil temperature can be controlled by adjusting the air inlet amount to the proper air inlet amount according to the actual environment temperature during operation of equipment, the device is simple in overall structure and convenient to maintain and use, the use cost of the whole machine is greatly reduced, the operation temperature of an air compressor system can be more accurately controlled, and the service life is prolonged. And the system can be rapidly raised to the preset temperature and stably run when being started to stably run, so that the service life of parts of the system is prolonged, and the use cost of equipment is reduced.
Owner:ZHEJIANG ZHIGAO MACHINERY

Air Bearing Shaft With Wide Operating Temperature Range

A system that reduces the amount of contaminants that enters a process chamber or air bearing via a movable shaft is disclosed. The movable shaft includes an outer shell made from a material having a low coefficient of thermal expansion. This allows the outer shell to be heated to sufficiently high temperatures to avoid condensation of contaminants on the shaft, while minimizing any change in the diameter of the shaft, which passes through an air bearing. The shaft may also have a temperature modification device disposed adjacent to the interior surface of the outer shell. In some embodiment, the shaft may include an inner liner. An insulative layer may be provided between the inner liner and the outer shell, such that the temperature of the outer shell does not cause the inner liner to thermally expand.
Owner:APPLIED MATERIALS INC

Commercial vehicle transmission shaft maintenance monitoring method, device and equipment and vehicle

The embodiment of the invention provides a commercial vehicle transmission shaft maintenance monitoring method, device and equipment and a vehicle, and the method comprises the steps: monitoring the working temperature of an intermediate support of a commercial vehicle transmission shaft, and determining the working condition of the intermediate support of the transmission shaft; accumulating the duration of the transmission shaft intermediate support under various working conditions; determining the consumption life of the transmission shaft intermediate support according to the duration time under various working conditions and the corresponding life influence coefficient; determining the residual service life of the transmission shaft intermediate support according to the rated service life and the consumption service life of the transmission shaft intermediate support; and generating maintenance alarm information according to the residual service life of the transmission shaft intermediate support and a preset minimum reminding threshold value. By utilizing the method, the working state of the transmission shaft intermediate support can be monitored in real time, the residual life can be accurately calculated according to the actual working condition, the replacement reminding can be timely sent out, and the problems of unreasonable maintenance period and inaccurate state monitoring in the prior art are solved.
Owner:FAW JIEFANG AUTOMOTIVE CO

Shaftless impeller self-cooling shield pump

The invention relates to the technical field of shield pump cooling, in particular to a shaftless impeller self-cooling shield pump. The rotation gap between the rotor and the stator is designed, and the liquid working medium is driven by the pressure difference to circularly flow back in the rotation gap, so that natural cooling of the interior of the shield pump is realized. Due to the design of the rotary gap, heat generated in the working process of the shield pump is effectively dissipated, the working temperature of the shield pump is reduced, equipment damage caused by overheating is avoided, the operation stability of the shield pump is improved, and the service life of the shield pump is prolonged.
Owner:HEFEI XINHU CANNED MOTOR PUMP

A method calibrating power monitors for molten salt reactors at low power

A method and system for calibrating nuclear instrumentation of a reactor is disclosed. The system comprises a reactor configured to operate at a low power level and an external heater configured to heat the reactor to its operating temperature and maintain the reactor in a critical state. The reactor maintains its temperature at a steady state by repeating steps of reducing the heater's power and increasing the reactor's power by changing one or more reactivity settings, wherein the reduced heater's power is compensated by using the increased power generated by the reactor itself. The nuclear instrumentation is configured to measure the reactor's output power and compare it with the calculated reactor's power. Based on the discrepancy between the calculated power and the measured power exceeds a threshold; and the nuclear instrumentation is appropriately calibrated by adjusting one or more settings.
Owner:ABILENE CHRISTIAN UNIV +3

Intelligent lubricating grease supplementing and adding system

The invention relates to an intelligent lubricating grease supplementing and adding system. The system comprises an operation state monitoring device, a lubricating grease supplementing device and a controller. The operation state monitoring device is used for acquiring an equipment operation state image and equipment operation temperature; the lubricating grease supplementing device is used for supplementing lubricating grease to equipment; the controller is connected with the running state monitoring device and the lubricating grease supplementing device and used for driving the lubricating grease supplementing device to supplement lubricating grease to the equipment under the condition that it is determined that the running state of the equipment is abnormal according to the running state image of the equipment and the running temperature of the equipment. By adopting the system, lubricating grease can be supplemented in time to ensure good lubrication of friction parts, faults such as abrasion, heat generation and jamming are reduced, and the stability and reliability of equipment operation are powerfully guaranteed.
Owner:QUJING BUREAU OF SUPERVOLTAGE POWER TRANSMISSION CHINA SOUTHERN POWER GRID

HVAC system and methods of using the same for leak detection

A method of operating a HVAC system is provided. The method includes removing heat from a working fluid using an evaporator and a blower that moves airflow across the evaporator. The method includes measuring at least one gas property value of a fluid surrounding the evaporator using a leak detection sensor. The method includes determining a control setpoint for a maximum allowable concentration of working fluid in the fluid surrounding the evaporator, where the control setpoint corresponds to a gas property value associated with a threshold percentage of a lower flammability limit of the first refrigerant in air at the operating temperature. The method includes determining that the at least one gas property value of the working fluid exceeds the control setpoint. If exceeded, the method includes closing a value that regulates the flow of working fluid to the evaporator and initiating the blower to move airflow across the evaporator.
Owner:ADVANCED DISTRIBUTOR PRODUCTS LLC

Soil processing machine

A soil processing machine, in particular a soil compactor, comprises a machine frame and a casing (26, 28) carried on the machine frame and / or at least partially providing it and bounding a unit receptacle space (24), wherein the casing (26, 28) has a cooling air inlet area (30) and a cooling air outlet area (32) for cooling air flowing through the unit receptacle space (24), wherein a plurality of units around which cooling air can flow through the unit receptacle space (24) from the cooling air inlet area (30) to the cooling air outlet area (32) are arranged in the unit receptacle space (24), wherein at least two of the units arranged in the unit receptacle space (24) have maximum permissible operating temperatures different from one another and at least one unit having higher maximum permissible operating temperature is arranged upstream in a cooling air flow direction from the cooling air inlet area (30) to the cooling air outlet area (32) with respect to at least one unit having lower maximum permissible operating temperature.
Owner:HAMM AG

Overcharge liquid cooling device

The utility model discloses an overcharge liquid cooling device in the technical field of overcharge, which comprises a protective shell, a cooling tank is arranged on the inner wall of the protective shell, the cooling tank is arranged towards one end in a penetrating manner, the inner wall of the cooling tank is fixedly connected with a liquid cooling assembly, and the inner wall of one end, far away from the liquid cooling assembly, of the cooling tank is fixedly connected with a circulating pipe. The bottom of the end, close to the circulating pipe, of the cooling tank is fixedly connected with a temperature sensor. The protective shell is fixed to the outer wall of the overcharge working equipment through the outer wall fixing equipment, then the working temperature of the overcharge working equipment is detected through the temperature sensor, the detected temperature is sent to the external intelligent control equipment, and then the circulating pump is started to input cooling liquid into the circulating pipe; the cooling operation is performed on the over-charging equipment through the cooling liquid and the circulating pipe, and meanwhile, the cooling motor is started to drive the cooling fan blades to be matched with the cooling groove to improve the over-charging cooling effect, so that the working efficiency of the super-charging column is improved.
Owner:JIANGSU TELLUS POWER CO LTD

Clutch life evaluation method and device, vehicle and medium

PendingCN120685326AMachine part testingVehicle testingSegmented regressionIndustrial engineering
The invention relates to the technical field of clutches, and discloses a clutch service life evaluation method and device, a vehicle and a medium, and the clutch service life evaluation method comprises the following steps: establishing a relation curve of a clutch friction material at different working temperatures and the working duration of reaching a set abrasion loss, and performing segmented regression analysis on the relation curve in combination with a set reference temperature; the accuracy of the segmented regression equation near the reference temperature is guaranteed, and then a clutch service life evaluation model with the working time and the working temperature of the clutch as variables is constructed through the segmented regression equation, so that clutch service life evaluation is conducted through the real relation between the working temperature of the friction material and the working duration. According to the method, the accuracy of the evaluation result of the service life of the clutch is guaranteed, unified real-time quantifiable fine evaluation on the service life of the clutch is realized, the wear trend and the health decline state of the clutch friction plate in long-term use can be reflected more accurately, and accurate maintenance suggestions and vehicle use suggestions are conveniently provided for users.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD

Charging pile cooling system and control method thereof

The invention provides a charging pile cooling system and a control method thereof, and belongs to the technical field of charging piles.The charging pile cooling system comprises a cooling liquid pump, a cooling liquid pump inlet pipeline and a cooling liquid pump outlet pipeline, and the cooling liquid pump outlet pipeline is installed between the water outlet end of the cooling liquid pump and a charging gun; the cooling liquid pump inlet pipeline is installed between the charging gun and the water inlet end of the cooling liquid pump. The charging pile cooling system further comprises an air temperature sampling sensor, a gun temperature sampling sensor, a cooling liquid pump inlet sampling sensor, a cooling liquid pump outlet sampling sensor, a cooling fan, a charging control module and a power module. The operation states of the cooling liquid pump and the fan of the charging pile can be dynamically adjusted, quicker and more accurate temperature regulation and control are realized, and the working temperature of the high-charging-power liquid-cooling direct-current charging pile is effectively reduced.
Owner:SHANDONG ARTAPLAY INTELLIGENT TECH CO LTD

Temperature control method for deep hole hot extrusion die

The invention discloses a deep hole hot extrusion die temperature control method which comprises the following steps: injecting a heated oil medium into an oil path of an upper die and a lower die through a die temperature controller, and preheating; after the mold temperature controller continues to heat the oil medium to the set temperature, the oil medium circulates in the oil way; after the working temperatures of the upper die and the lower die are monitored and obtained through a thermocouple sensor, the upper die and the lower die are closed; when the working temperature reaches the set temperature, the mold temperature controller reduces the temperature of an oil medium in an oil way of the upper mold and the lower mold, and the circulating flow of the oil medium in the oil way is adjusted; after production is completed, the temperature of the oil medium in the oil way is reduced through the mold temperature controller, and the upper mold and the lower mold are cooled. The temperature and flow of the oil medium are adjusted through the mold temperature controller, the mold temperature is adjusted through heat transfer of the oil medium, the mold temperature is monitored by the thermocouple sensor in real time, the thermocouple feeds monitoring data back to the mold temperature controller, the whole process forms a closed loop with the temperature accurately adjusted and controlled, and it is guaranteed that the mold is located in the most appropriate working temperature interval all the time.
Owner:BEIJING RESEARCH INSTITUTE OF MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD CAM

Fuel cell system and method for controlling the same

A fuel cell system is introduced. The fuel cell system may comprise a fuel cell stack, and a controller configured to determine a dew point of gas flowing in the fuel cell stack, determine, based on the determined dew point and an operating temperature of the fuel cell stack, a change rate of an amount of hydrogen crossover, and control, based on a target operating temperature, the operating temperature of the fuel cell stack, wherein the target operating temperature is changed based on the determined change rate.
Owner:HYUNDAI MOTOR CO LTD +1

Seal load adjustment valve

To provide a seal load adjustment valve capable of suppressing deformation of a valve seat to prevent deterioration of sealability even in use under high-temperature environment.SOLUTION: A seal load adjustment valve 1 comprises a seal load adjustment mechanism 30 having a seal load adjustment member 31 which adjusts a seal load of a valve body 28 for a valve seat 24 by causing the valve body 28 to approach and separate from the valve seat 24 as a stem 19 moves up and down and to open and close the valve, and by causing at least a central part symmetrical about a central axis to bulge and come into contact with a surface 19b perpendicular to an axis of the stem 19 so as to increase a thrust in a direction opposite to a valve closing direction in an axial direction of the stem 19 as an operating temperature of the valve increases.SELECTED DRAWING: Figure 1
Owner:KITZ SCT CORP

Lubricating oil filter to-be-bypassed sensor tester

The utility model relates to a lubricating oil filter bypass sensor tester, which comprises a box body, an operation panel is arranged on the box body, a power supply, a test adapter, a temperature unit and a pressure unit are arranged in the box body, the operation panel is provided with a test interface, a temperature regulation panel and a pressure regulation knob, the temperature unit comprises a temperature platform, and the pressure unit comprises a gas source and a temperature platform. The test interface is arranged at the bottom of the box body, the test adapter is fixedly arranged above the test interface and is respectively connected with the power supply and the temperature regulation panel, the air source is fixed at the bottom of the box body and is respectively connected with the test adapter and the pressure regulation knob, and an input port of the test adapter is arranged in the test interface and is connected with a to-be-tested lubricating oil filter bypass sensor through the test interface; the temperature adjusting panel is used for setting the temperature of the temperature platform, the pressure adjusting knob is used for adjusting the output pressure of the air source, the output pressure is presented in the form of a portable function test box, the actual working temperature and the environment pressure of the sensor can be accurately simulated, and the test safety and accuracy are improved.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 31897

Thermal exhaust gas management

A method (200) for controlling the temperature of recirculated exhaust gas in an internal combustion engine, comprising: Operating (202) the internal combustion engine (10) in a baseline mode; Receiving (204) a signal indicating the operating temperature of a motor; (206) comparing the engine operating temperature with a predetermined IEGR threshold; if the engine operating temperature is lower than the predetermined IEGR threshold, (210) activating an IEGR mode in which internal exhaust gas recirculation is present, and activating an EEVO mode, which is an operating mode of the internal combustion engine in which exhaust valve timing is changed compared to an initial operating mode; and If the engine operating temperature is higher than the first preset IEGR threshold, the IEGR mode is deactivated and the EEVO mode is deactivated. wherein the baseline mode includes activating a primary exhaust valve opening during an exhaust event of the associated cylinder of the exhaust valve, wherein the IEGR modes include activating a secondary exhaust valve opening during an intake event of the associated cylinder of the exhaust valve and partially holding the exhaust valve (64) open between the primary exhaust valve opening and the secondary exhaust valve opening, wherein the exhaust valve (64) is fully open during the primary exhaust valve opening and the exhaust valve has less than 40% of its full opening during the secondary exhaust valve opening, including the EEVO modes: Activating the primary exhaust valve opening prior to the primary exhaust valve opening of the baseline; holding the exhaust valve fully open (64); and Closing the outlet valve (64) according to the baseline mode.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Method and device for protecting indoor unit of multi-split air conditioner, air conditioner and medium

The invention discloses an indoor unit protection method and device of a multi-split air conditioner, the air conditioner and a medium, the air conditioner comprises a target indoor unit and a target outdoor unit, the target indoor unit and the target outdoor unit are connected through a pipeline, and the target indoor unit cannot communicate with the target outdoor unit. The method comprises the steps that the current operation temperature of a target indoor unit is predicted based on a target pressure value collected by a pressure sensor, and the pressure sensor is arranged on a pipeline between an air pipe of a target outdoor unit and a four-way valve; a target preset temperature range where the current operating temperature is located is determined from a plurality of preset temperature ranges, and indoor unit states corresponding to different target preset temperature ranges are different; and based on a target set temperature adjusting strategy corresponding to the target preset temperature range, the set temperature corresponding to the target indoor unit is adjusted. According to the scheme, the energy requirement of the indoor unit is adjusted by adjusting the set temperature, and therefore the indoor unit is protected.
Owner:FOSHAN SHUNDE MIDEA ELECTRONICS TECH CO LTD +1

Electrical control cabinet and operation temperature control method

The invention discloses an electrical control cabinet and an operation temperature control method, and relates to the technical field of electrical control cabinets, the system discloses a cabinet body, an air cooling system, a liquid cooling system, a compression type refrigeration system and an operation temperature controller are arranged in the cabinet body, and the operation temperature controller comprises an operation temperature monitoring unit, an electrical parameter mapping unit and an operation temperature control execution unit. Through the design and operation temperature control method of the electrical control cabinet, the temperature characteristics of each monitoring point in the electrical control cabinet can be predicted in advance, the multi-physical field simulation of the virtual control cabinet is combined, multiple different types of active heat dissipation systems are matched, and the multiple types of active heat dissipation systems are freely and cooperatively combined based on the virtual cabinet simulation. The capability limitation of a single heat dissipation mode is broken through, and the operation temperature of the electrical control cabinet is reasonably controlled while advanced regulation and control of the temperature of the cabinet body are realized.
Owner:JIANGSU XINMINGJUN CONSTRUCTION ENGINEERING CO LTD

Temperature control system of continuous hot press

The utility model provides a temperature control system of a continuous hot press, which relates to the technical field of hot presses and comprises an oil tank, a heater, a heat exchanger, a pressure die end, an electric cabinet, a temperature sensor and a circulating pump. The first end of the circulating pump is connected with the heater, and the second end is connected with the pressure mold end; the temperature sensor is arranged between the circulating pump and the heater; the electric control box is electrically connected with the heater, the heat exchanger, the temperature sensor and the circulating pump. According to the utility model, rapid heating and cooling of the hot press can be realized; the stability of the working temperature of the hot press is good; the heat exchange efficiency is high; it is guaranteed that the system works under the safe pressure, and meanwhile the function of emergency pressure relief when equipment leaks and breaks down is achieved.
Owner:湖南隆深氢能科技有限公司

Welding method

The invention relates to the technical field of welding, in particular to a welding method which comprises the steps that S1, the service life t0 of a repaired part is determined according to the operation temperature T of the repaired part; s2, according to the operation temperature T and the planned operation time H, the feasibility of the nickel-based welding material repairing process is judged; s3, judging the stability of the nickel-based repair process; s4, according to the wall thickness delta and the outer diameter D of the pipeline, the effective thickness range of a weld joint is calculated, and the low-temperature tempering heat treatment frequency is determined; s5, welding is carried out, and low-temperature tempering heat treatment is carried out after the thickness of a newly-added welding seam reaches the effective welding seam thickness; s6, heat treatment; s7, carrying out nondestructive testing; s8, a nickel-based welding material is adopted for welding repair; s9, after no crack is found through nondestructive testing, nondestructive testing is carried out every 12 hours, 24 hours and 48 hours, and if no crack is detected through nondestructive testing after 48 hours, welding repair is completed; the method has the effects of improving the welding seam quality of the nickel-based welding seam and reducing the use hidden danger of the repaired part.
Owner:CHINA ENERGY CONSTR GRP NORTHWEST ELECTRIC POWER CONST

Camera module, cabin monitoring system and vehicle

The utility model relates to a camera module, a cabin monitoring system and a vehicle, and the camera module comprises a temperature control circuit and a control module. The temperature control circuit comprises a temperature control detection module and a temperature control logic module; the temperature control detection module is used for detecting temperature information of the light supplement lamp, and the temperature control logic module is connected with the temperature control detection module and is used for performing over-temperature protection on turn-off of the light supplement lamp when the temperature information exceeds a protection threshold value and providing an interrupt signal for the control module; and the control module is connected with the temperature control logic module and is used for starting the light supplementing lamp through an interrupt signal when the temperature information is recovered to the safe range. Through the temperature control circuit and the control module in the application, over-temperature protection can be carried out on the light supplement lamp and the light supplement lamp can be restarted in a safe range, so that the light supplement lamp is in a safe working temperature range, and the problems that the light supplement lamp is lack of effective over-temperature protection and normal use of the camera module is influenced are solved.
Owner:ZHEJIANG SUNNY SMARTLEAD TECH CO LTD

Manufacturing method of rotor

To provide a manufacturing method of a rotor which can improve productivity of the rotor.SOLUTION: In a filling process, temperature of a rotor core 11 is raised by heat of a resin material 30 by filling a magnet housing hole 13 in which a magnet 20 is housed with the resin material 30 heated to predetermined temperature to be melted. In an arrangement process, temperature of end plates 40 is raised by heat of the heated rotor core 11 by arranging the end plates 40 on a first end surface 11a and a second end surface 11b of the rotor core 11 filled with the resin material 30. In a welding process, the end plates 40 are welded to the rotor core 11 when the temperature of the rotor core 11 and the end plate 40 is within a temperature range in use in the middle of lowering of the temperature of the rotor core 11 and the end plates 40.SELECTED DRAWING: Figure 7
Owner:TOYOTA BOSHOKU KK

Main transformer system active protection method for multi-index quantification overload safety at extreme high temperature

The invention relates to the technical field of power system state evaluation and safety protection control, in particular to a main transformer system active protection method for multi-index quantification overload safety at extreme high temperature. According to the scheme, for disturbance such as station output limited transformation overload, overload safety and operation risks of the main transformer system are quantified from multiple dimensions such as real-time evaluation of the operation temperature, the fault rate, the insulation aging probability and failure probability evaluation of the main transformer system, and the overload safety and the operation risks of the main transformer system are obtained through mutual coordination and cooperation with a regulation and control center and a main transformer system circuit breaker; the evolution trend of the main transformer system in the state of'heavy load-overload-tolerance limit 'is accurately grasped, the overload capacity of the main transformer system is fully excavated on the premise of ensuring safety, and the conveying capacity and safe and stable operation of the main transformer system are improved.
Owner:国网重庆市电力公司璧山供电分公司

Space engine nozzle coating appearance detection quantification evaluation method and system and nozzle

PendingCN122330110AEngineeringSlurry
This invention provides a method, system, and nozzle for quantitative evaluation of the appearance of space engine nozzle coatings. The method includes: dividing the silicide coatings on the inner and outer surfaces of the nozzle into regions corresponding to different acceptance levels based on the operating temperature, thermal stress, and high-temperature gas erosion intensity of various parts of the nozzle; conducting full-area observation of the inner and outer wall coatings of the nozzle; identifying the regions where defects to be tested are located according to predefined zoning rules; comparing the observed defects with a pre-established standard defect map library to classify the defects; measuring the parameters of each defect based on the classified defects; comparing the measured defect parameters with the acceptance level corresponding to the region; and outputting a clear conclusion including whether the product is deliverable based on the comparison results. This invention provides an executable and quantifiable method for evaluating the appearance quality of coatings prepared by slurry sintering and embedding / infiltration methods.
Owner:SHANGHAI INST OF SPACE PROPULSION

Pressure regulating equipment state monitoring system and method based on data analysis

The invention discloses a pressure regulating equipment state monitoring system and method based on data analysis, and relates to the technical field of equipment state monitoring. The method comprises the following steps: collecting electrical, mechanical and environmental signals of the voltage regulating equipment for preprocessing, and generating equipment response signals; calculating a dynamic response attenuation coefficient and a frequency spectrum offset degree based on the signal, and calculating a thermal noise gain coefficient according to equipment operation temperature data; by comprehensively analyzing the three parameters, the current running state of the equipment is judged, and a fault mode diagnosis result is generated, so that accurate equipment state monitoring and fault prediction are realized. Through multi-dimensional data fusion, accurate identification of multi-fault mode superposition and an early warning mechanism, the accuracy of equipment state monitoring and the fault prediction capability are improved, and the downtime and the maintenance cost are reduced.
Owner:南京九维测控科技有限公司