319results about How to "Accurate temperature control" patented technology

The invention belongs to the field of thermostatic bath cavities, and provides a thermostatic bath cavity structure and a magnetic type surface temperature sensor calibration system. Wherein the thermostatic bath cavity structure comprises a stirring cavity and a working cavity which are mutually independent; connecting channels are arranged at the upper parts and the lower parts of the stirring cavity and the working cavity; a temperature sensor is arranged in each connecting channel and is used for detecting the temperature field change condition in the stirring cavity and transmitting the temperature field change condition to the controller; the top of the working cavity is connected with a sunken flange plate, a working surface is arranged in the sunken flange plate, and at least two detected sensor stations are distributed on the working surface; a stirring mechanism, a heating coil and a refrigerating coil are arranged in the stirring cavity; the controller is used for controlling the working states of the stirring mechanism, the heating coil and the refrigerating coil according to the temperature field change condition in the stirring cavity, so that the temperature field in the stirring cavity is uniformly maintained at a set temperature.

The invention relates to an air fryer with a bottom IH coil heating plate, and aims to solve the technical problems that the existing similar air fryer with upper and lower heating pipes is poorer in bottom heating temperature stability and more difficult to control, and meanwhile, the steam heating structure design and the inner pot putting induction detection structure design are too complicated and the production cost is higher. The air fryer is characterized in that an IH coil heating plate is arranged at a metal heat insulation layer at the bottom of the lower portion of an inner pot of the air fryer, a grill is arranged in the inner pot, the inner pot is a non-magnetic pot body or a ferrite pot body, and the grill is a ferrite grill; the baking tray is aligned with the IH coil heating tray below, and the grill in the inner pot is heated by the magnetic induction of the IH coil heating tray through the inner pot; when the inner pot is a non-magnetic pot body, a glass layer is arranged at the hollow part in the middle of the inner bottom of the inner pot; meanwhile, the IH coil heating disc serves as a microswitch, and whether the inner pot of ferrite is placed or not is sensed through the magnetic field generated by the IH electromagnetic module before use.

The invention discloses a temperature measuring device for tire vulcanization and a tire mold, and belongs to the technical field of tire vulcanization equipment.The temperature measuring device comprises an upper side plate, a lower side plate and a temperature measuring device, a first through hole is formed in the upper cover; the first temperature transmission assembly is arranged in the first through hole and comprises a first connecting part and a plurality of first transmission belts; the first connecting part is positioned on the upper surface of the upper cover; a second through hole is formed in the upper hot plate; the second temperature transmission assembly is arranged in the second through hole and comprises a second connecting part and a plurality of second transmission belts, and when the upper hot plate is pressed on the upper cover, the first transmission belts are connected with the second transmission belts; the first connecting part protrudes out of the upper surface of the upper cover and / or the second connecting part protrudes out of the lower surface of the upper hot plate, a pressing part is arranged on the first temperature transmission assembly and / or the second temperature transmission assembly, and the pressing part comprises an elastic piece; the first temperature transmission assembly and the second temperature transmission assembly can be accurately connected in a butt joint mode through the first connecting part and the second connecting part, and it is guaranteed that output temperature information is accurate.

The invention provides a nuclear fusion superconducting magnet autoclave VPI closed-loop heating system and method, and relates to the field of nuclear fusion magnet insulation manufacturing. A large-section spiral pipe coil is installed in a VPI mold, placed in an autoclave and connected with an internal heating system through a connector terminal; the non-inductive heating in the coil is realized by respectively electrifying the coil joint terminal and the winding intermediate joint in the reverse direction; the autoclave is respectively connected with the vacuumizing system, the pressurizing system, the heating system and the glue injection system; the temperature acquisition system is respectively connected with the internal heating system, the autoclave and a VPI mold related thermometer; the large-section spiral pipe coil serves as a heating wire to achieve internal heating of the winding and also serves as a thermometer to achieve collection of the internal temperature of the winding, and a temperature-resistance curve of a coil conductor serves as a temperature control reference of external heating to achieve accurate control over the temperature of the autoclave. According to the invention, internal non-inductive heating, accurate temperature measurement and external cooperative temperature control of the winding are realized.

The invention relates to an off-peak electricity peak use control method and a temperature control strategy and a power management system applying the off-peak electricity peak use control method, and belongs to the technical field of energy-saving control. Respectively establishing objective functions of the total cost of the storage battery module, the volume of the storage battery, the recovery period and the loss in the electricity storage process of the storage battery; s2, solving the plurality of objective functions through an NSGA-II algorithm to obtain a Pareto frontier solution; and S3, calculating the weighted sum of each objective function by using a minimize function, obtaining an optimal solution with the minimum weighted sum in the solutions of the Pareto frontier, configuring the storage battery according to the optimal solution, and switching the commercial power or the storage battery to supply power to the compressor according to the electricity price of the peak valley electricity period. According to the valley electricity peak use control method, the problems that the capacity configuration of the storage battery is not clear and the recovery period is not clear are solved, the power consumption cost is minimized, and the pressure of the peak period of the power grid is relieved.

The invention discloses an electric burning roller kiln constant temperature control system and method based on multi-energy mixed use, and relates to the technical field of kilns. The electric burning roller kiln constant temperature control system based on multi-energy mixed use comprises an electric burning roller kiln temperature detection module, a constant temperature dynamic control module, a multi-energy proportional regulation and control module and an automatic temperature control module. The temperature of the electric burning roller kiln is obtained and analyzed to obtain the adjustment temperature difference, whether constant temperature control is carried out or not is judged, then the temperature control grade is obtained through the temperature difference analysis coefficient of the electric burning roller kiln, and heat energy supply is carried out according to the temperature control grade. Meanwhile, heat energy data are obtained, a constant-temperature proportion is obtained by combining a preset proportion and an adjustment temperature difference, the constant-temperature proportion accords with an evaluation coefficient for proportional adjustment, and finally energy supply is automatically switched according to the stage division evaluation coefficient, so that the effect of improving the constant-temperature control accuracy of the multi-energy mixed use electric burning roller kiln is achieved. The problem that in the prior art, constant temperature control of an electric burning roller kiln for multi-energy mixed use is not accurate is solved.

The invention relates to an intelligent control method of an intelligent temperature control system, which belongs to the technical field of intelligent temperature control, and comprises the following steps of: tracking and identifying real-time heating characteristic data of each sub-region in a target region, obtaining a sub-region to be refrigerated, obtaining a refrigeration demand of the sub-region to be refrigerated, and obtaining the refrigeration demand of the sub-region to be refrigerated; refrigeration performance data of each sub-region temperature intelligent control system are obtained, feasibility analysis is carried out according to the refrigeration performance data of each sub-region temperature intelligent control system and the refrigeration requirement of the sub-region to be refrigerated, and a feasibility analysis result is obtained; and finally, refrigerating the to-be-refrigerated sub-region or generating related warning information according to a feasibility analysis result. Effective evaluation is performed according to the refrigeration performance data of the intelligent temperature control system and the heating condition of the area needing refrigeration, so that a more accurate temperature control process can be formulated, and reduction of power consumption and accurate temperature control are realized.

The utility model relates to the technical field of electronic cigarettes, in particular to a heating tube packaging structure which comprises a heating tube, a first connecting tube, a second connecting tube and a first heat shrink tube, the first connecting tube is arranged at the first end of the heating tube and is coaxial with the heating tube, the second connecting tube is arranged at the second end of the heating tube and is coaxial with the heating tube, and the first heat shrink tube is arranged in the second connecting tube. The first connecting pipe, the heating pipe and the second connecting pipe are connected into a whole through a first heat shrink tube. The heating tube packaging structure provided by the utility model solves the difficulty in fixing the temperature measuring element and the lead, avoids health hidden dangers caused by packaging with glue, heat preservation cotton and the like, has the characteristics of small heat capacity, good heat insulation, good adaptability and the like, can meet the requirements of quick response, accurate temperature control and low energy consumption, and is suitable for popularization and application. The mouth feel of the electronic cigarette smoking set made of the heating pipe packaging structure can be comparable with that of an international advanced electromagnetic induction inner core heating smoking set, and a special cigarette with a metal heating sheet does not need to be matched.

The invention relates to the technical field of organic synthesis, in particular to a method for continuously synthesizing a pyroxasulfone intermediate, which at least comprises the following steps: mixing polyformaldehyde and a compound I to prepare a solution A, respectively introducing the solution A and sulfonyl chloride into a micro-channel reactor for chloromethylation reaction, and after the reaction is finished, carrying out post-treatment to obtain the pyroxasulfone intermediate. The compound I is 1-methyl-3-trifluoromethyl-5-difluoromethoxy-1-H-pyrazole, and the compound II is a compound III. The pyroxasulfone intermediate is 1-methyl-3-trifluoromethyl-4-chloromethyl-5-difluoromethoxy-1-H-pyrazole, and the structural formula of the pyroxasulfone intermediate is shown in the description. By adopting the microchannel reactor, mass transfer between two-phase fluids can be enhanced, rapid and sufficient mixing of two strands of materials is realized, so that the reaction process is enhanced, the flow rate, the reaction temperature, the reaction time, the pressure and the like are controlled for reaction, and the method has the characteristics of high purity, high yield, simple synthesis process, no pollution and easy treatment of three wastes, and is suitable for industrial production. The industrial application is facilitated.

The invention discloses a heat treatment device and method for bent pipes, and relates to the technical field of heat treatment of bent pipes. The heat treatment device comprises a table top, and a fixing assembly, a heat treatment mechanism, an arc-shaped guide mechanism and an infrared temperature measurement camera which are mounted on the table top; the fixing assembly is used for fixing the bent pipe. The heat treatment mechanism comprises a supporting frame, a fine adjustment supporting frame, an inductor, an adjusting assembly and a coarse adjustment supporting frame. The fine adjustment supporting frame, the inductor and the coarse adjustment supporting frame are all fixedly installed on the supporting frame. The adjusting assembly comprises a magnetizer, a coarse adjusting lifting frame and a wedge-shaped magnetic bar; the magnetizer is fixedly arranged on the inductor; a through hole corresponding to the wedge-shaped magnetic bar is formed in the magnetizer; the wedge-shaped magnetic bar is rotationally mounted on the coarse adjustment lifting frame; the coarse adjustment lifting frame is installed on the coarse adjustment supporting frame in a sliding mode. The mode of combining coarse adjustment and fine adjustment is adopted, the heating temperature is adjusted by adjusting the working area, entering the magnetizer, of the wedge-shaped magnetic rod, the guide cylinder and the bent pipe are designed in a matched mode, and only the guide cylinder needs to be replaced when different bent pipes are subjected to heat treatment.

The utility model discloses an ultrasonic crude oil water distribution system, and relates to the technical field of oil field equipment. The ultrasonic crude oil water separation system comprises a pipeline mixer, an electric heater, a dosing device and a horizontal ultrasonic coalescence separator. The pipeline mixer is provided with a crude oil inlet, a dosing inlet and a mixing outlet. The electric heater is used for heating crude oil and is communicated to the crude oil inlet. The chemical adding device is used for adding chemicals into the crude oil, the chemical adding device is communicated to the chemical adding inlet, and the crude oil and the chemicals are mixed in the pipeline mixer. The horizontal ultrasonic coalescence separator comprises an ultrasonic vibrator, the horizontal ultrasonic coalescence separator is provided with a separation inlet, an oil phase discharge port and a water phase discharge port, the mixing outlet is communicated to the separation inlet, and after crude oil is treated by the horizontal ultrasonic coalescence separator, an oil phase is discharged through the oil phase discharge port, and a water phase is discharged through the water phase discharge port.

The utility model belongs to the technical field of manufacturing of air conditioners and air source heat pumps, and discloses a welding assembly and welding equipment for a temperature sensing pipe sleeve and a U-shaped pipe for an air conditioner, the welding assembly comprises the temperature sensing pipe sleeve and the U-shaped pipe, the temperature sensing pipe sleeve is arranged at the top or the outer side of the U-shaped pipe, and a straight line section b is additionally arranged at the top of the U-shaped pipe and is usually guaranteed to be 3-8mm. The welding assembly provided by the utility model can be directly mounted on the two devices of the air conditioner and can be automatically welded at one time along with row welding of the two devices, and manual welding does not need to be added; according to the welding equipment, the temperature sensing pipe sleeve and the U-shaped pipe can be well fixed, the length of a fusion line is guaranteed, the assembly position is guaranteed, and errors are reduced; stable cured parameters are adopted, so that the consistency of products is ensured; automatic welding is adopted, the welding efficiency is greatly improved, the equipment adopts linear passing type welding, and the structural design is simple and practical.

The invention relates to the technical field of temperature control, in particular to a constant temperature module for a multi-gas control cabinet, which comprises a low-pressure nitrogen tank, a high-pressure nitrogen tank, a pressure regulating valve, a heat exchanger, a booster pump, a temperature sensor and a gas leakage detection sensor, the low-pressure nitrogen tank and the high-pressure nitrogen tank are connected with the two input ends of the pressure regulating valve through pipelines respectively, and the two input ends are connected with a first electromagnetic valve and a second electromagnetic valve respectively. Compared with a traditional method, the technical scheme is combined with a high-low pressure nitrogen system, nitrogen in different pressure states is provided through the low-pressure nitrogen tank and the high-pressure nitrogen tank, and high-pressure nitrogen heat release or low-pressure nitrogen heat absorption can be flexibly selected to adjust the temperature according to the change of the temperature in the cabinet body. Compared with some traditional constant temperature devices which only adopt a single heating or cooling mode, the module can more accurately adapt to different temperature requirements, more accurate constant temperature control is achieved, and it is ensured that the interior of the cabinet body is always in a suitable temperature environment.

The intelligent temperature control self-adaptive reaction kettle cleaning method comprises the following steps: firstly, carrying out system preparation and initialization, and setting cleaning parameters and reinforcement learning algorithm parameters; positioning and detecting the reaction kettle, and obtaining the pollution degree of the inner wall as an initial state input; then the intelligent control system determines the temperature, the reinforcement learning algorithm adjusts the temperature according to the state, the controller is used for controlling the heating coil to heat, and the temperature is accurately controlled through the PID algorithm; then starting a washing mechanism to clean the reaction kettle, adjusting the rotating speed of the washing mechanism according to the cleaning state through a reinforcement learning algorithm, spraying heated cleaning liquid by a water pump to cooperate with cleaning, monitoring the cleaning effect, temperature and pressure in real time in the cleaning process, and adjusting a cleaning strategy through the reinforcement learning algorithm according to feedback information; and finally, the intelligent control system judges that cleaning is finished, equipment is reset, the reaction kettle is cleaned, checked and dried, and cleaning data is recorded for subsequent analysis and optimization. The self-adaptive cleaning is realized through a reinforcement learning algorithm, and the cleaning quality and the safe operation of the system can be ensured.

The utility model discloses a container immersed liquid cooling system, which comprises a container body and a circulating cooling assembly integrally packaged in the container body, the interior of the container is divided into two cavities, a circulating liquid cooling unit and a heat dissipation unit are respectively placed in the two cavities, the interior of a liquid cooling cabinet comprises accommodating spaces which are arranged in a scale-to-close manner, and the accommodating spaces are communicated with the heat dissipation unit. Computer equipment is immersed in cooling oil in the containing space, a liquid return groove is formed in the side portion of the liquid cooling cabinet and connected with a liquid return pipe, the liquid return pipe is connected with a circulating pump, one end of a liquid inlet pipe is connected with the flow equalizing assembly, the other end of the liquid inlet pipe is connected with an outlet of a heat dissipation pipe, and an inlet of the heat dissipation pipe is connected with the circulating pump. The heat dissipation unit cools liquid in the heat dissipation pipe in an air cooling mode, and cooling oil flows into the containing space from the small oil outlet holes of the flow equalizing assembly to cool the computer equipment. The utility model has the advantages of modular form, convenience in mounting, dismounting and moving, and realization of heat dissipation and noise reduction at the same time.

The utility model discloses a temperature-controllable anti-shake fiber bragg grating packaging structure, which comprises a heat conduction sleeve, a heat conduction piece, a TEC temperature control device, an insertion core and an external packaging device, a fiber bragg grating assembly penetrates through the inside of the heat conduction sleeve, and the space between the inside of the heat conduction sleeve and the fiber bragg grating assembly is filled with the heat conduction piece. The TEC temperature control device is attached to the side face of the heat conduction sleeve, the insertion cores are arranged at the two ends of the heat conduction sleeve, the insertion cores are fixedly connected with the part, extending out of the heat conduction sleeve, of the fiber grating assembly, the outer packaging sleeve is arranged on the outer side of the heat conduction sleeve in a sleeving mode, and the heat dissipation face of the TEC temperature control device is connected with the inner side face of the outer packaging sleeve through a heat conduction piece. According to the utility model, the problems of temperature control and vibration isolation of fiber bragg grating packaging are solved, the temperature of the fiber bragg grating assembly can be accurately controlled, and the fiber bragg grating assembly has good vibration isolation and anti-shake effects.

The utility model discloses a battery thermal management system. The battery thermal management system comprises a battery module, a control module, a timer, an air conditioning system heat exchanger, a four-way reversing valve and a compressor, the battery module comprises a shell, a semiconductor cooler is arranged on the outer surface of the shell, a refrigerant pipeline is arranged in the shell, a plurality of battery cells are arranged in an area defined by the refrigerant pipeline, the battery cells are all arranged in heat conduction pipes with fins in a sleeved mode, and gaps in the shell are filled with PCM phase change materials. Temperature sensors are respectively arranged on the inner surface of the shell and the upper and lower surfaces of the battery cell; a heat flux density sensor is arranged in the PCM phase change material; a first electromagnetic valve and a second electromagnetic valve are arranged at an inlet and an outlet of the refrigerant pipeline respectively, the first electromagnetic valve is connected with an air-conditioning system heat exchanger, and the air-conditioning system heat exchanger is connected with a compressor and the second electromagnetic valve through a four-way reversing valve. And the timer is connected with the semiconductor cooler, the first electromagnetic valve and the second electromagnetic valve. According to the utility model, accurate temperature control can be realized, and the temperature uniformity and safety of the battery are improved.

This utility model relates to the field of fiber composite material tank winding molding, and provides a closed-cavity self-heating fiber winding molding tooling, including: a central rotating shaft, a heating assembly, and a detachable molding surface composed of multiple molding panels; wherein a heating element is attached to the inner surface of the molding panel; a conductive slip ring is provided at the end of the central rotating shaft to conduct electrical energy to the heating element; a temperature monitoring device collects the temperature of each molding panel in real time. This tooling achieves in-situ curing of the composite material under rotation by conducting electrical energy to the heating element through the conductive slip ring, and the temperature monitoring device can monitor and adjust the temperature in real time to ensure a uniform and stable temperature field; at the same time, the segmented and detachable design facilitates demolding after curing. This utility model solves the self-heating problem of fiber winding molding tooling with a closed cavity, and can significantly improve the molding efficiency and molding quality of composite material tank parts, and has good application prospects.

The utility model discloses a kind of chemical fibre recycled material pretreatment reaction kettle, belong to spinning equipment technical field, this kind of chemical fibre recycled material pretreatment reaction kettle, including kettle body and electromagnetic heating control cabinet, the kettle body is three-layer structure, its inner layer is provided with pressure vessel layer, the pressure vessel layer directly contacts material, the intermediate layer of kettle body is provided with electromagnetic heating coil, and the electromagnetic heating coil is electrically connected in electromagnetic heating control cabinet, the outermost layer of kettle body is provided with heat preservation protective shell, and the front, middle and rear of kettle body are provided with temperature measuring probe. Heating is carried out to reaction kettle using electromagnetic induction coil cooperation electromagnetic heating control cabinet, heat loss is reduced in heating process, energy consumption cost is lower, and the response speed of heating is faster, without preheating and waiting, the temperature of reaction kettle is measured in real time by temperature measuring probe, cooperate electromagnetic heating control cabinet accurate temperature control, with better use effect.

This invention relates to the field of casting technology, and more particularly to a high-strength drive wheel casting process. The steps include: Step 1, alloy material preparation; Step 2, melting and micro-alloying treatment; Step 3, mold preparation and pouring; Step 4, solidification and cooling staged control; and Step 5, heat treatment process. By optimizing the alloy composition, improving the mold structure, precisely controlling melting and pouring, and adapting the heat treatment process, this invention solves the technical problems of insufficient strength, high defect rate, and poor forming accuracy in existing drive wheels. The invention also improves the structure and adapts the cooling chamber to the process, combining a controlled atmosphere cooling chamber with a staged cooling process. It incorporates partition isolation components, waste heat recovery components, and a temperature control unit, achieving independent partitioned cooling of the casting, precise temperature control, and waste heat reuse. This solves the problems of "airflow interference, uneven cooling, and energy waste" in existing cooling chambers.

The utility model discloses a sterilization device for sea-buckthorn primary pulp, which comprises a sterilization heating box, two heat insulation plates are welded in the middle of an inner cavity of the sterilization heating box, the inner cavity of the sterilization heating box is divided into three continuous spaces, namely a heating cavity, a connecting cavity and a sterilization cavity, and a spiral heating pipe is fixedly mounted in the heating cavity; and a spiral sterilization pipe is fixedly mounted in the sterilization cavity. According to the utility model, the temperature of primary pulp is raised to 90 DEG C in a short time through the spiral heating pipe, so that the heating efficiency is improved; microorganisms in the primary pulp are fully killed through the spiral sterilization tube, and heat-sensitive nutritional ingredients are prevented from being damaged by high temperature for a long time; rapid cooling of the primary pulp is achieved through the cooling pipe, and secondary damage to nutrition caused by continuous heat action is reduced; the multiple temperature sensors monitor the temperature in the heating, sterilizing and cooling stages in real time, the feeding speed, the water suction pump power, the heater temperature and the semiconductor refrigeration power are dynamically adjusted in combination with the industrial computer, and whole-process precise temperature control is achieved.

The utility model discloses an air-jet texturing wire heating element which comprises a cylinder body, two ends of the cylinder body are sealed by end plates, and the end plates are provided with uniformly distributed wire penetrating holes; the barrel comprises an inner wall, an outer wall and a cavity between the inner wall and the outer wall; wherein the outer wall is provided with a water injection pipe communicated with the cavity, and the top of the inner wall is provided with a plurality of atomizing nozzles linearly distributed in the axial direction of the barrel; the energy-saving and energy-saving temperature control device has the advantages that the structure is simple, the temperature control is accurate, and the energy is saved.

This invention relates to the field of twin-screw extruder technology, specifically to a two-part twin-screw extruder barrel electromagnetic heating body, equipment, and system. The electromagnetic heating body consists of two L-shaped main bodies hinged together to form a rectangular structure. A through hole is opened in the middle of the rectangular structure to serve as a space for accommodating the die barrel. The outer shell is made of mica sheet assembled using corner brackets. Its inner surface is lined with radiation-shielding material, and the inside of the radiation-shielding material is lined with thermal insulation cotton. An electromagnetic coil is placed on the thermal insulation cotton. The innermost side is sealed with a thin mica sheet to the electromagnetic coil, thermal insulation cotton, and radiation-shielding material. The electromagnetic coil is electrically connected to an electromagnetic heater. This invention uses electromagnetic heating of the barrel to generate its own heat, avoiding secondary energy waste caused by heat transfer, improving heating efficiency. Compared with resistance wire heating, the power saving rate during normal production can reach 50%, and it also increases production capacity to a certain extent. It also has the advantages of precise temperature control and reduced ambient temperature.

This application relates to the field of tail gas absorption technology, specifically disclosing a tail gas absorption device for phenothiazine production. The pretreatment mechanism in this application can induce sublimation of phenothiazine microcrystals in the tail gas through multiple stages, allowing the microcrystals to grow sufficiently to a collectable size before entering the collection zone. Then, a multi-stage blade collection mechanism progressively adheres and collects the grown microcrystals, achieving efficient recovery of the phenothiazine microcrystals. Simultaneously, an absorption tower is set up to absorb hydrogen sulfide from the collected tail gas with alkaline solution, and an activated carbon adsorption tower is set up to deeply purify residual hydrogen sulfide and volatile organic compounds. This forms a complete treatment chain with graded treatment and each stage performing its specific function, effectively solving the problem of blockage caused by microcrystals directly entering the absorption tower in existing technologies, while also achieving the recycling of high-value products.

The invention provides a refrigerant direct cooling control method, system and device and a readable storage medium, and relates to the technical field of refrigerant direct cooling control, the method comprises the steps that environment temperature information and laser power conversion information are obtained, and the environment temperature information is collected through an environment temperature sensor; calculating the environment temperature information through a preset first correction model to obtain a heat influence coefficient; the environment temperature information and the heat influence coefficient are calculated through a compressor frequency control model, and compressor frequency information is obtained; calculating the laser power conversion information through a preset flow model to obtain expansion valve flow information; the flow information of the expansion valves is calculated through a preset opening degree model, and opening degree information of the expansion valve set is obtained; and the frequency information of the compressor and the opening information of the expansion valve group are subjected to PID adjustment. The control method is high in response speed, small in control error and capable of achieving accurate temperature control.

The invention discloses a pressure-controllable clamping and dipping device and method for rock sample cementing treatment, and belongs to the technical field of rock sample tests. The device consists of a radial centering pressurizing module, an independent heating container and a hydraulic control system, the independent heating container and a saucepan with a built-in thermometer are fixed on a base, and a heating wire is arranged at the bottom of the base. An annular hydraulic oil groove is integrated in the base and connected with an internal pushing rod through multiple sets of hydraulic oil pipes, a sample contact plate is installed at the tail end of the pushing rod, and a supporting block is arranged on the outer side for positioning. The radial centering and pressurizing module is erected above the circumferential centering and pressurizing module; and an internal pushing rod is connected with the pressure transmission plate and the sample contact plate. A manual hydraulic pump is connected with an oil pump pressurization connector through a quick connector, a hydraulic oil pipe is provided with a high-precision pressure gauge and a control valve, a separator is laid in a sample contact area, and all the components cooperate to achieve cementing treatment of a rock sample at constant temperature and constant pressure.

The utility model discloses a dish-shaped heating plate which comprises an upper plate body and a buckle type lower plate body which are integrally formed. A boss wave surface and an annular groove are arranged at the bottom of the upper tray body, and double groups of Cr20Ni80 heating wires are arranged in the upper tray body; the lower disc body is provided with a spring adjusting mechanism. Water seepage prevention is achieved through an integrated structure, uniform heating is achieved through double sets of heating wires, deformation resistance is achieved through buckling design, and efficient and stable heating is achieved. The electric cooker has the advantages of being high in heat efficiency, long in service life and easy to clean.

The utility model discloses a frying and baking machine, which belongs to the field of kitchen household appliances, solves the problems of inaccurate temperature control and complicated structure of a kick type temperature controller on the existing frying and baking machine, and adopts the technical scheme that the frying and baking machine mainly comprises a baking tray component, the baking tray component comprises a base, a baking tray, a heating tube, the kick type temperature controller and a knob, and the baking tray, the heating tube, the kick type temperature controller and the knob are arranged on the base. The kick type temperature controller is provided with a control shaft capable of floating in the axial direction, the knob adjusts the trigger temperature of the kick type temperature controller through the control shaft, the kick type temperature controller is located on the periphery of the heating pipe, the knob is provided with a driving gear, the control shaft is provided with a driven gear, and the driving gear is connected with the driving gear. The knob drives the control shaft to rotate through meshing of the driving gear and the driven gear. According to the utility model, the temperature control of the kick type temperature controller is more accurate, the baking effect is ensured, and the temperature control structure is simplified.

The invention relates to the technical field of garment processing, and discloses a garment heat-setting machine which comprises a machine table, and a conveying assembly used for conveying fabric, a setting assembly used for setting the fabric and a heating assembly used for supplying a heat-conducting medium to the setting assembly are arranged on the machine table. According to the invention, the heat-conducting medium can be more uniform during flowing heat conduction, the temperature control is quicker and more accurate, and the local overheating or supercooling condition is effectively prevented; the situation that the temperature of one end is higher than that of the other end is prevented, and heat distribution is more uniform; the forward flow channel and the reverse flow channel can be synchronously and equivalently heated, and the temperature difference between the forward flow channel and the reverse flow channel is prevented; fiber impurities on the surface of the shaping roller can be automatically swept away, and the surface of the shaping roller is coated with an anti-sticking coating; meanwhile, scalding accidents caused by mistakenly touching the shaping roller by personnel are prevented, and the safety is improved.

The utility model discloses an electromagnetic heating reaction kettle which comprises a reaction kettle body, a clamping part is arranged at the upper part of the reaction kettle body; the thermal insulation layer externally wraps the outer surface of the reaction kettle body; the at least one wrapping unit wraps the outer surface of the outer side of the reaction kettle body and is connected with the clamping and embedding part in a clamping and embedding manner; an electromagnetic coil is arranged in the wrapping unit; the at least two bottom attaching units are arranged on the outer surface of the bottom of the reaction kettle body in a circumferential array manner around the axis of the reaction kettle body; an electromagnetic coil is arranged on the inner page of the bottom attaching unit; the shielding cover is arranged on the outer side of the wrapping unit and the outer side of the bottom attaching unit and shields a magnetic field generated when the wrapping unit and the bottom attaching unit work. The reaction kettle is suitable for reaction of reactants insensitive to a magnetic field, does not contain a heating assembly, directly heats the interior of the reaction kettle, and is high in heating efficiency, simple in structure and good in stability.