34results about How to "Achieve temperature" patented technology

The invention relates to the technical field of temperature early warning management, in particular to an electrolytic bath temperature central monitoring and early warning system. The system comprises an in-tank temperature frequency domain analysis module, an in-tank temperature and energy consumption influence analysis module, an in-tank electrolytic strength abnormity response adjustment module, an in-tank temperature over-low abnormity early warning adjustment module and an in-tank iterative execution influence analysis module. Temperature sensors are arranged at key positions in an electrolytic cell to monitor temperature signal distribution in the cell in real time and carry out frequency domain analysis, and meanwhile, corresponding current and voltage are obtained, electrolyte energy consumption analysis and time sequence influence analysis are carried out, and a time sequence correlation influence degree is obtained; and if the conditions are gradually increased and the temperature fluctuation is increased, designing and implementing an energy consumption abnormity response measure, if the conditions are gradually reduced and the temperature fluctuation is reduced, designing and implementing a temperature abnormity response measure, and if the conditions are judged to be other conditions, continuing to iteratively execute the time sequence influence analysis. The stability and quality of the electrolysis process can be guaranteed.

The invention discloses an elevator control cabinet monitoring method based on visible light and infrared image fusion, which comprises the following steps: acquiring and optimizing an initial elevator control cabinet image to obtain an optimized elevator control cabinet image; registering the visible light camera and the infrared camera to obtain a camera extrinsic parameter matrix; acquiring an elevator control cabinet component data set, and constructing a target detection network model based on the elevator control cabinet component data set; the optimized elevator control cabinet image is input into a target detection network model, the position of a visible light elevator control cabinet component is obtained, the position of the elevator control cabinet component is mapped to an elevator control cabinet infrared image through a camera external parameter matrix, and the temperature of the corresponding elevator control cabinet component is calculated based on the infrared image; and temperature matching and real-time monitoring of elevator control cabinet components are realized. Abnormity of the elevator control cabinet can be found in time, and safe operation of an elevator is guaranteed.

An intelligent temperature control method, system, medium and program product applied to a fermentation bin, which relates to the field of electronic digital data processing. The method includes: the system obtains the microbial activity intensity information and the temperature information in the fermentation bin in real time, and adjusts the temperature of the fermentation bin to a preset temperature range corresponding to the current fermentation stage; then, by dividing the preset temperature range into a preset number of temperature intervals, the temperature of the fermentation bin is adjusted to each temperature interval divided into the preset temperature range in turn, and the corresponding microbial activity intensity information is recorded; the temperature interval with the highest score among all the recorded information is set as the target temperature interval, which is used as the control temperature of the subsequent fermentation bin. The implementation of this method can achieve more accurate control of the temperature of the fermentation bin, maintain the high activity of the microorganisms, and improve the fermentation efficiency and product quality.

The invention provides a photovoltaic system. The photovoltaic system comprises a photovoltaic module; a steam generating structure; a steam collector; a steam condensation structure; the liquid level in the steam condensation structure is flush with the liquid level in the steam collector. According to the photovoltaic system provided by the invention, the steam generation structure is arranged in the photovoltaic module, and the steam quantity generated in the steam generation structure can be automatically adjusted along with the temperature of the photovoltaic module, so that dynamic heat dissipation can be performed on the photovoltaic module to prevent the temperature of the photovoltaic module from being too low or too high, and the reliability and the service life of the photovoltaic module are ensured; and the liquid level conservation principle of the communicating vessel is utilized, so that a medium released by heat and liquefied in the steam condensation structure automatically flows into the steam generation structure and the steam collector, the heat dissipation effect on the photovoltaic module can be realized under the condition that a power mechanism (such as a compressor) is not arranged, the production cost of the photovoltaic module is reduced, and the production efficiency of the photovoltaic module is improved. And the energy consumption of the power mechanism is avoided, and the power generation efficiency of the photovoltaic module is improved.

The utility model provides an electronic temperature measuring device for a stirring tank. Comprising an electronic chip type temperature measurement probe with an electric signal outgoing line, the temperature measurement probe is located at the lower end of a stirring rod, the stirring rod is provided with a wire groove used for laying a temperature measurement probe electric signal line, and a temperature measurement probe electric signal is connected and communicated with an upper computer through a conductive slip ring assembly; the conductive slip ring assembly is composed of a conductive slip ring stator and a conductive slip ring rotor, the conductive slip ring rotor is installed on the stirring rod and rotates together with the stirring rod, and the conductive slip ring stator is fixedly installed on the fixing support.

This invention provides a salt-resistant evaporator and its preparation method that utilize a dual-scale structure to achieve salt migration and bidirectional water replenishment, belonging to the field of saline wastewater treatment such as seawater desalination. The salt-resistant evaporator of this invention includes: an evaporation main frame, composed of an array of micron-sized unit cells connected together, with micron-sized pores between each pair of micron-sized unit cells; millimeter-sized channels passing through the evaporation main frame and located at its geometric center, communicating with the micron-sized pores between each pair of micron-sized unit cells; and a hydrophilic photothermal conversion coating disposed on the outer surface of the evaporation main frame. The salt-resistant evaporator of this invention forms a temperature gradient and a concentration gradient inside, thereby triggering Marangoni convection, pumping salt from a high-concentration region (micron-sized unit cells) to a low-concentration region (millimeter-sized channels), and finally returning it to the solution to be evaporated, ultimately achieving real-time salt migration.

The invention belongs to the technical field of high-temperature alloy smelting, and relates to a process for improving the surface quality of a first-class Ni-Fe-Cr-based high-temperature alloy consumable cast ingot and application. Comprising the following steps: firstly, performing vacuum induction melting on a high-temperature alloy to obtain a high-temperature alloy VIM electrode; then, the high-temperature alloy VIM electrode is subjected to protective atmosphere electroslag smelting, and a high-temperature alloy ESR electrode is obtained; and the high-temperature alloy ESR electrode is subjected to annealing treatment, finally, the high-temperature alloy ESR electrode is subjected to vacuum consumable smelting, and a high-quality high-temperature alloy ingot is obtained. According to the high-temperature alloy cast ingot produced through the method, forging cogging can be carried out after direct homogenization without scaling treatment, the production process is shorter, the delivery pressure is smaller, and the cost is lower.

The utility model proposes a kind of thermostat for chemical reagent experiment, including support load plate, the upper surface of support load plate is fixedly installed with temperature control seat, the inside of temperature control seat is equipped with support cover, the upper surface of support cover is opened with multiple placing holes, the inside of temperature control seat is opened with cavity, the inner bottom wall of cavity is fixedly installed with multiple temperature sensors, the bottom surface of temperature control seat is fixedly embedded with refrigeration guide plate, the bottom surface of refrigeration guide plate is fixedly installed with semiconductor refrigeration sheet, it is related to chemical reagent experiment field.The utility model is by the cavity of temperature control seat inside setting, can inject water liquid, utilize the good heat conductivity of water, can make the heat generated by annular electric heating wire evenly conduct to reagent, avoid local overheating, in addition by the cooperation of semiconductor refrigeration sheet and refrigeration guide plate, water liquid can be cooled directly, the problem that it is difficult to cool quickly after heating is solved, and then guarantee the experimental effect of chemical reagent.

The invention discloses an elevator traction motor operation control method based on a temperature monitoring result, and the elevator traction motor operation control method based on the temperature monitoring result is realized based on an elevator traction motor monitoring system based on the temperature monitoring result. The elevator traction motor monitoring system based on the temperature monitoring result comprises a first temperature detection device, a second temperature detection device, a first temperature processing circuit, a second temperature processing circuit, a first controller, a first remote communication module, a second controller and a second remote communication module. The first temperature detection device is installed at a traction wheel in the elevator and used for detecting the temperature T1 of the traction wheel in the elevator, and the second temperature detection device is used for detecting the temperature T2 of a traction motor in the elevator. According to the elevator traction motor operation control method based on the temperature monitoring result, the problem that in the prior art, due to the fact that the temperature is too high when a traction wheel works for a long time, abrasion of the traction wheel is large is solved.

The utility model relates to the technical field of automobile bumpers, in particular to a carbon fiber composite material automobile bumper which comprises a main bumper assembly, a main bumper inner supporting assembly is arranged on the inner side of the main bumper assembly, and an auxiliary bumper assembly is arranged on the outer side of the main bumper assembly. The main bumper assembly includes a bumper body. According to the scheme, the bumper body adopts the carbon fiber plate as the base layer, the bumper can efficiently absorb and disperse energy during collision due to the high-strength weight ratio characteristic of the carbon fiber plate, meanwhile, the weight is greatly reduced to optimize the fuel economy, the reinforcing layer adopts the aluminum alloy plate to enhance the rigidity, low-speed collision sinking is prevented, and the service life of the bumper is prolonged. The grid structure of the stainless steel framework further provides core support and resists structural collapse under extreme impact, the puncture-proof layer is made of glass fibers and effectively prevents sharp objects from penetrating through the puncture-proof layer, and the heat insulation layer and the impact-resistant layer achieve temperature isolation and kinetic energy absorption through polyurethane foam and polyester materials respectively.

The present application relates to the technical field of new material preparation, in particular to a recyclable aerogel phase change cold storage material with real-time temperature monitoring function and a preparation method and application thereof.The recyclable cold storage phase change composite material comprises a polymer aerogel and a phase change material loaded in the polymer aerogel; the polymer in the polymer aerogel contains a structural unit of a maleic anhydride group and a structural unit of a maleimide group, the recyclable cold storage phase change composite material can be recycled, has a smaller leakage amount, and can maintain a low temperature for a long time; the recyclable cold storage phase change material with real-time temperature monitoring function has a layer structure, comprising an inner layer formed by the recyclable cold storage phase change composite material and an outer layer formed by a second polymer aerogel, and can simultaneously realize mass temperature monitoring and recyclable performance.

An energy-saving dehumidification device capable of accurately controlling temperature and relative humidity belongs to the technical field of air conditioners and comprises a box body, an air inlet, an air supply outlet, a heat pipe heat exchange assembly, a refrigeration heat exchanger and an air feeder. The heat pipe heat exchange assembly is arranged on the inner side of the air inlet and comprises a plurality of U-shaped three-dimensional heat pipes, each U-shaped three-dimensional heat pipe comprises a pre-cooling section, namely an evaporation end, a heat conduction section and a reheating section, namely a condensation end, which are communicated in sequence, the pre-cooling section is arranged on the left side of the U-shaped three-dimensional heat pipe, and the reheating section is arranged on the right side of the U-shaped three-dimensional heat pipe; the heat conduction section is arranged at the bottom of the U-shaped three-dimensional heat pipe and is a connecting section of the pre-cooling section and the reheating section; a concave part is arranged between the pre-cooling section and the reheating section, the refrigeration heat exchanger is arranged in the concave part, one end of the refrigeration heat exchanger is connected with the evaporation end, and the other end of the refrigeration heat exchanger is connected with the condensation end, so that the energy-saving dehumidification heat pipe is formed; the air feeder is arranged on the inner side of the air supply outlet. The energy-saving dehumidification device has the beneficial effects that the temperature and the relative humidity are accurately controlled, and energy-saving dehumidification is realized.

The application discloses a kind of heating equipment temperature calibration system and its temperature calibration method, system includes non-contact temperature measuring equipment, control host, calibration table, heating equipment to be measured and man-machine interface, calibration table is installed with connecting contact and the calibration tray for fixing heating equipment to be measured, calibration tray is configured with one end connection heating equipment to be measured, the other end is connected with the connecting line of connecting contact, control host is connected with the connecting contact on calibration table by serial port, control host is gathered by non-contact temperature measuring equipment first temperature value of heating equipment to be measured on calibration tray, first temperature value is sent to heating equipment to be measured, so that heating equipment to be measured adjusts the heating body temperature calculation parameter of heating equipment to be measured according to first temperature value, so that the second temperature value calculated according to temperature calculation parameter of heating body is identical with first temperature value.The technical problem that the actual temperature of heating body of heating equipment and set temperature exist error is solved.

The invention relates to the technical field of semiconductors, in particular to a photoresist removal method and equipment, a control method and a control circuit. The removing method comprises the following steps: arranging a wafer to be processed above a heating disc in a photoresist removing chamber; the wafer to be processed is subjected to an ion implantation process; controlling the to-be-processed wafer to lift until the temperature of the to-be-processed wafer reaches a first temperature, and performing a hardened layer removal process of the photoresist; the first temperature is 5-50 DEG C lower than the transition point temperature; wherein in the hardened layer removal process, the wafer temperature corresponding to the fastest change of the photoresist removal rate is the transition point temperature. According to the method, the problem of explosion caused by too high etching rate in the hardened layer removal process can be avoided, the problem of too low etching rate can also be avoided, the uniformity in the hardened layer removal process can also be ensured, and the yield and the productivity in the photoresist removal process after ion implantation are improved.

The utility model provides an aluminum plastic cover riveting preheating temperature control device which comprises an installation frame fixed on a feeding disc of a riveting device and a temperature sensor fixed on one side of the installation frame, the output end of the temperature sensor faces an edge notch of the feeding disc, a heating cylinder is fixedly arranged in the installation frame, the side wall of the heating cylinder is fixedly connected with a communicating pipe, and the communicating pipe is connected with a temperature sensor. The top end of the heating cylinder is connected with an air inlet pipe. And the effect of improving the riveting yield and the riveting efficiency of the aluminum plastic cover is achieved.

The invention belongs to the technical field of solid oxide fuel cells, and discloses a solid oxide fuel cell half cell and a preparation method thereof. The problem of bending deformation of SOFC cells produced in the prior art is solved. Comprising the steps that (1) an anode supporting layer green body, an anode functional layer green body and an electrolyte layer green body are prepared respectively, a solvent F1 system is adopted for preparing the anode supporting layer green body, a solvent F2 system is adopted for preparing the anode functional layer green body, a solvent F3 system is adopted for preparing the electrolyte layer green body, and F1, F2 and F3 are solvent systems with different compositions or proportions; (2) stacking, forming layers and sintering; f1, F2 and F3 respectively and independently comprise at least one of ethanol, propanol, isopropanol, butanol, butanone, terpilenol, butyl acetate, toluene and xylene, and the three components or ratios are different. The bending degree of the half battery piece can be effectively reduced, and the production yield is improved.

The present application relates to the manufacturing detection technology of marine pressure equipment, and aims to provide a kind of in-situ testing device and method for mechanical properties of composite material in seawater environment.The device includes seawater preparation and storage system, pretreatment system, test system, delivery circulation system, heating system and control system;In the water bath of pretreatment system, a plurality of traction tooling are provided, for continuously applying stress to the sample during pretreatment;Test system includes tensile test system and environmental chamber, and the environmental chamber is installed between the two traction mechanisms of tensile test system;Delivery circulation system includes pipeline for connecting various container equipment, for delivering seawater for circulation use.The composite material laminate sample of the present application is immersed in seawater environment from installation to final fracture failure, and the problem of in-situ testing of mechanical properties of composite material in seawater environment is solved.The structure of the device is simple, easy to install, and can be used for composite material performance testing in different temperature conditions and different salinity seawater environment.

The invention relates to the technical field of composite material and structure health monitoring, in particular to a composite material actuator cylinder health monitoring sensor and an actuator cylinder manufacturing method. Comprising a first fiber bragg grating sensor and a second fiber bragg grating sensor which is subjected to strain insensitive packaging; the first fiber grating sensor and the second fiber grating sensor are arranged at the same measuring point; the first fiber grating sensor comprises a first optical fiber, and a first grating is inscribed on the first optical fiber; the periphery of the first optical fiber is coated with a first high-temperature-resistant layer; the second fiber grating sensor comprises a second optical fiber and a sleeve, and a second grating is inscribed on the second optical fiber; the periphery of the second optical fiber is coated with a second high-temperature-resistant layer; the sleeve is sleeved on the second optical fiber; a gap is formed between the part, located in the sleeve, of the second optical fiber and the inner wall of the sleeve. According to the invention, decoupling and in-situ measurement of strain and temperature can be realized on the premise that the original state in the structure is not changed.

The invention discloses a production method of a moxa stick with a lead, and relates to the technical field of moxa stick production. The method comprises the following steps: step 1, harvesting wormwood before and after the Dragon Boat Festival, screening out weeds doped in the wormwood, carrying out stem-leaf separation on the wormwood, naturally airing the wormwood, and bundling or bagging the aired wormwood; 2, the folium artemisiae argyi obtained in the step 1 is placed in a dry warehouse to be aged, and after the age is up, the folium artemisiae argyi is taken out and smashed into velvet; 3, the aged folium artemisiae argyi is cooled through refrigeration equipment, it is avoided that in the mashing process, due to friction, the temperature of the folium artemisiae argyi rises, and consequently the medicine effect of the folium artemisiae argyi is affected, the problem that in the existing mashing process, the medicine effect of the folium artemisiae argyi is prone to loss is solved, and after the folium artemisiae argyi is rolled into moxa sticks, the folium artemisiae argyi is not prone to damage. The purpose of rapidly igniting the moxa stick is achieved by installing the oil immersion lead wire at one end of the moxa stick, and the problem that the moxa stick in the current market is difficult to ignite due to tight rolling and neat notches at the two ends is solved.

The utility model relates to new energy vehicle motor manufacturing technical field especially relates to a test device. Among them, the bottom plate is provided with several installation grooves, and several installation grooves and several clamps are set up one to one, and the clamp can be installed in the installation groove, and the one end of the adjusting part passes through the fixed part and the moving part sliding connection, and the adjusting part can adjust the distance between the fixed part and the moving part, is used for clamping test copper wire, and the temperature sensor is arranged in the fixed part, and the temperature sensor is used for testing the temperature of test copper wire, and the pressure sensor is arranged in the fixed part, and the pressure sensor is used for testing the pressure that test copper wire bears. The device can realize the one-time test verification of multiple test samples through the setting of several clamps, improves the versatility of the test device, and the device can realize the pressure and temperature monitoring of the welding process through the integration of the temperature sensor and the pressure sensor, reduces the development process parameter error, reduces the process development part cost and manufacturing period, and meets the actual production demand.

The utility model provides a power battery large module heating device. The power battery large module heating device comprises a guide rail assembly, a tray assembly and a heating assembly, the tray assembly is connected to the guide rail assembly in a sliding mode, the heating assembly is arranged above the tray assembly, a heat conduction plate is arranged on the tray assembly, and the heat conduction plate can be matched with the heating assembly to heat a module. Through the mutual cooperation of the guide rail assembly, the tray assembly, the heating assembly and the heat conducting plate, the module can be heated, the curing of the structural adhesive is accelerated, and the production efficiency is improved.

The application provides a solar cell silicon wafer eddy current sensor and relates to the technical field of eddy current sensors.The eddy current sensor comprises a single-chip microcomputer, an infrared temperature detector and a probe detection assembly connected with the single-chip microcomputer.The single-chip microcomputer is used for acquiring the temperature of a sensor probe and the target temperature of a to-be-detected solar cell silicon wafer, acquiring a plurality of first sheet resistances of the to-be-detected solar cell silicon wafer, correcting each first sheet resistance according to the temperature of the sensor probe and a preset probe temperature compensation model corresponding to the temperature of the sensor probe, acquiring a second sheet resistance corresponding to each first sheet resistance, correcting each second sheet resistance according to the target temperature and a preset silicon wafer temperature compensation model corresponding to the target temperature, acquiring a third sheet resistance corresponding to each second sheet resistance, calculating the average value of each third sheet resistance, and obtaining a corresponding target sheet resistance.The two types of temperatures, i.e., the temperature of the sensor probe and the target temperature, can be accurately measured and compensated respectively, and the problem that the measured value of the sheet resistance has poor repeatability on a production line is solved.

Disclosed is a vehicle air conditioner, which is suitable for an autonomous driving vehicle with a console removed, etc. by ensuring a space below a driver's seat in the front of the vehicle, and can prevent condensed water from flowing back to the rear. The vehicle air conditioner includes an air conditioner housing, a cooling heat exchanger, and a heating heat exchanger, an air flow path is formed in the air conditioner housing, and the air conditioner housing has a plurality of air outlets, the cooling heat exchanger and the heating heat exchanger are arranged in the air flow path of the air conditioner housing and perform heat exchange with air passing through the air flow path, wherein the air outlet includes a front seat air outlet and a rear seat air outlet, and the rear seat air outlet is arranged below the heating heat exchanger in the gravity direction.

The invention discloses a water purifier temperature control method and device, and solves the problems of complex structure and long refrigeration time in ice making of existing water purification equipment, low heat dissipation efficiency due to adoption of a semiconductor refrigeration sheet, and bacterium breeding due to need of water storage in an ice container, and the problems of low heat dissipation efficiency, slow cooling speed, low energy consumption and the like due to the fact that difference of multiple temperatures is not considered in temperature control. And the energy consumption is high. The method comprises: acquiring a target temperature, and setting a working mode according to the target temperature; in the water outlet stage, the temperature of the purified water cooling plate is collected in real time, and the purified water flow when the purified water outlet temperature reaches the target temperature in the full-power working state of the refrigeration module is calculated; and controlling water discharge according to the purified water flow obtained by calculation. The real-time output of ice water of the water purifier is realized, the water purifier can discharge water at different temperatures through a temperature control method, an ice liner structure is not needed for water storage, the occupied space of the ice liner is reduced, and bacterium breeding is avoided. Different working modes are set according to the target temperature, and multi-temperature temperature control and energy saving are achieved.

This invention discloses a cascaded hollow-core fiber interferometric sensor and its fabrication process, relating to the field of hollow-core fiber measurement technology. The cascaded hollow-core fiber interferometric sensor comprises, in sequence, a broadband light source (1), a first fiber optic jumper (2), a first single-mode fiber (3), a first fusion splice (4), a first anti-resonant Bragg hollow-core fiber (5), a second fusion splice (6), a second single-mode fiber (7), a third fusion splice (8), a second anti-resonant Bragg hollow-core fiber (9), a fourth fusion splice (10), a third single-mode fiber (11), a second fiber optic jumper (12), and a spectrometer (13). Compared with existing technologies, ① the integrated fiber Fabry-Perot interferometric structure and high-precision anti-resonance fiber temperature sensing structure provided by this invention enable large dynamic range measurement and temperature calibration. ② The anti-resonant hollow-core fiber provided by this invention enables miniaturized fiber optic temperature sensors.

The present invention discloses a fiber Bragg grating unidirectional strain sensor. The fiber Bragg grating unidirectional strain sensor provided by the embodiment of the present invention comprises a temperature compensation sensing module with temperature compensation and a strain sensor module with a function of desensitizing the fiber Bragg grating. The three-ring desensitizing substrate fixing fiber Bragg grating region in the strain sensor module adopts a three-ring parallel structure. Thus, when the fiber Bragg grating unidirectional strain sensor provided by the embodiment of the present invention is used for stress monitoring, the desensitization design and temperature compensation design of the fiber Bragg grating are realized, the structure is simple, the monitoring sensitivity is improved, and the measuring range is improved.

The utility model discloses a gas temperature control mixing device and cold shield equipment, the gas temperature control mixing device comprises a gas mixing bottle, the gas mixing bottle is provided with a mixing cavity, and the mixing cavity is provided with a first gas inlet, a second gas inlet and a mixed gas outlet; the nitrogen mechanism is connected with the first gas inlet; the liquid nitrogen bottle is connected with the second gas inlet; the temperature control assembly is arranged between the nitrogen mechanism and the first gas inlet; and / or arranged between the liquid nitrogen bottle and the second gas inlet; the temperature control assembly comprises a first valve and a second valve, and the first valve is used for controlling the fluid supply flow of gaseous nitrogen or liquid nitrogen; the second valve is used for controlling the maximum fluid supply flow of gaseous nitrogen or liquid nitrogen. The gas temperature control mixing device further comprises a cold shield device which is located in a vacuum cavity of the cold shield device, the cold shield device comprises a cold shield device and a cooling pipe fixed to the outer portion of the cold shield device, the cooling pipe is wound around the outer portion of the cold shield device in a spiral mode, and the mixed gas outlet is connected with the gas inlet end of the cooling pipe through a connecting pipe.

The invention discloses a motor winding end cooling structure which comprises a motor shell and a winding end, a cooling water pipe surrounds the winding end, the motor shell is provided with a water inlet through hole and a water outlet through hole which are communicated with the two ends of the cooling water pipe respectively and connected with a water pump through an external pipeline, and the winding end is provided with a temperature sensor connected with a control circuit. The control circuit adjusts the power of the water pump according to temperature data collected by the temperature sensor, and the cooling efficiency is dynamically adjusted. The water flow intensity can be intelligently regulated and controlled according to the temperature, and the winding end cooling efficiency and the motor stability are remarkably improved.

The present application relates to a kind of control methods of adjusting hot-rolled strip target temperature online, specifically comprising the following steps: according to the chemical composition of target billet of tapping mark, the chemical composition of target billet is recorded;According to the chemical composition content of each alloy element in the chemical composition of target billet, alloy content range performance coefficient table is prepared;The chemical composition content of each alloy element in the chemical composition of target billet is compared with alloy content range performance coefficient table, and comprehensive performance prediction guide coefficient is obtained;According to the size of comprehensive performance prediction guide coefficient, temperature adjustment value is selected;Increase or reduce temperature adjustment value based on original target temperature, obtain new target temperature.The present application has the advantages that: according to the corresponding comprehensive performance prediction guide coefficient obtained by simulating and calculating the slab chemical composition, for the not ideal composition interval slab, corresponding finish rolling temperature adjustment and coiling temperature adjustment are taken in hot continuous rolling mill set, and online automatic identification and temperature control are realized.

The utility model relates to the field of acoustics, in particular to a device for accurately controlling air supply and exhaust and temperature of a coating production line oven, which comprises a production line coating head and a fresh air supply pipeline after fresh air is mixed, the fresh air supply pipeline is connected with an air mixing box, and a fresh air door is arranged on the fresh air supply pipeline; the hot air pipeline is formed by the hot air system and is connected with the air mixing box through a hot air door; the air outlet end of the air mixing box is connected with an air inlet fan through a pipeline, the air inlet fan is connected with an air inlet of the drying oven through a pipeline, and a drying oven inlet air door is arranged on the pipeline of the air inlet fan and the drying oven. Compared with the prior art, the device has the advantages that any temperature and air volume requirements of the oven within design specifications can be simply, conveniently and quickly met, the oven is stable in temperature, exhaust air volume and waste gas solvent concentration, the temperature and air volume adjusting speed of the oven of a production line can be increased to the maximum extent, and the production efficiency and the quality of products are improved.