1243 results about "Cooling time" patented technology

The invention provides an intelligent toy injection molding process optimization method which comprises the following steps: aiming at a key temperature control area, calculating an optimized cooling time value and a cooling water temperature set value through a correlation model of thermodynamic attribute parameters of toy materials, cooling time and cooling water temperature, and issuing the cooling time value and the cooling water temperature set value to an injection molding machine control system, meanwhile, according to the temperature fluctuation amplitude of the key area, the forming pressure value is finely adjusted, so that the temperature fluctuation of the key area is reduced; in the injection molding process, temperature data of multiple positions on the surface of the mold are collected in real time and transmitted to the central processing unit, the central processing unit conducts filtering and denoising on the collected temperature data and then judges whether the temperature data exceed the optimized temperature control range or not, if yes, an alarm mechanism is triggered, and meanwhile operation parameters of the injection molding machine are automatically adjusted. And the time for deviating from the temperature control range is shortened to the minimum.

The invention relates to the technical field of alloy die-casting, and particularly discloses an alloy die-casting temperature field control method and system capable of reducing hot cracks, temperature gradients of different areas of a die are adjusted in real time according to flowing and solidification characteristics of alloy liquid, so that the surface temperature distribution of the die is matched with the solidification rate of the alloy liquid, and the alloy die-casting temperature field is controlled. Utilizing a machine learning algorithm to predict a risk area where hot cracks are generated on the basis of historical data and real-time monitoring data, and dynamically adjusting the flow velocity of a cooling system, the heating power of a die or die-casting process parameters according to a prediction result; through dynamic temperature gradient control, intelligent prediction and feedback control, a cooling strategy, a stress release mechanism and a real-time monitoring and optimizing process, thermal stress concentration can be effectively reduced, the possibility of generation of thermal cracks is reduced, the yield of castings is improved, the cooling time of the castings can be shortened through the cooling strategy, and therefore the production efficiency is improved, and the production cost is reduced. And reworking and scrapping of castings are reduced.

The invention provides a split type direct-current charging pile liquid cooling heat dissipation system, and belongs to the technical field of direct-current charging piles, a closed liquid cooling circulation system is constructed through equipment such as a liquid cooling circulation pump, a radiator assembly and a temperature sensor array, and active temperature control is realized by adopting a temperature pre-adjusting module as a core. The system firstly collects power and temperature data to establish a power heat effect function to describe a power-temperature relationship, and extracts temperature time sequence characteristics through a heat situation sensing model by adopting an improved time sequence convolutional network to configure a self-adaptive receptive field adjustment mechanism to capture different time scale change modes; and constructing a double-layer optimization framework in combination with a temperature control game model to solve a Nash equilibrium solution, and calculating an optimal cooling adjustment vector including advanced cooling time and cooling power parameters. And a change curve is generated through real-time monitoring and dynamic correction and is converted into a control instruction, the frequency converter is controlled to adjust the rotating speed of the circulating pump and the opening of the flow valve, and advanced adjustment before temperature change is achieved to eliminate response lag.

The invention belongs to the field of production control, and particularly discloses a control method of a thick-wall optical product precision injection molding hot runner system, which comprises the following steps of: acquiring mold geometric data of local thickness distribution in a mold-containing cavity along a melt flowing direction, calculating theoretical cooling time constants of each region by combining material thermophysical parameters, and calculating the cooling time constant of each region; establishing a thickness-cooling rate mapping relation model; predicting the time when the melt reaches each area and the effective cooling time according to an injection time sequence; solving a temperature compensation value of a heating area corresponding to the hot runner by taking the minimum final temperature variance when the key area is ejected as a target; and finally, dynamically applying a compensation value according to a time sequence before the melt arrives, and withdrawing / adjusting after region filling is completed or a pressure maintaining stage is entered. The invention can balance the temperature field of the mold cavity, reduce the refractive index gradient and shrinkage defect, improve the optical performance and yield of the product, and is suitable for precise injection molding of the thick-wall optical product.

The invention discloses a conformal cooling device for die-casting die temperature intelligent control and a regulation and control method. The conformal cooling device comprises a die body, an embedded conformal cooling runner network, a multi-mode temperature sensing array, a partition flow regulation and control valve group, a central cooperative controller and a cooling medium circulation supply unit. Through the combination of shape follow-up runner design and partition dynamic regulation and control, a cooling blind area is effectively eliminated, the surface temperature uniformity of a cavity is remarkably improved, and the cooling time of a hot spot area is shortened, so that the defects of shrinkage cavities, hot cracks and the like are inhibited, and the defect rate of castings is reduced. And under the cooperation of multi-mode sensing and intelligent control, the system response is accelerated, the energy consumption is reduced, the die-casting rhythm is shortened, and the synchronous optimization of the production efficiency and the energy utilization efficiency is realized.

According to the multi-path cooling control method for the non-adjustable flow of the cooling spray box after hot plate rolling, the mode that an annular rail is combined with a trolley is adopted, the trolley bears a sample through a sample bearing table to do annular motion, the annular rail is an oval rail comprising two parallel linear segments and two semicircular segments, and at least one cooling spray box is arranged along the linear segment rail; the cooling area can be infinitely lengthened at any workpiece speed; according to the cooling starting temperature, the water cooling speed, the cooling stopping temperature, the cooling stopping time between the cooling areas and the production line cooling spray box layout of the N cooling areas determined by the experiment, the experiment device is configured according to different spray box opening modes, the cooling experiment is carried out, and spray box opening mode parameters corresponding to the optimal cooling speed of the N cooling areas are obtained; carrying out cooling control after rolling on corresponding sample production; besides, the method is implemented under the condition basically consistent with the actual working condition of the production line, so that the product design output and the production line process control are more accurate and efficient, the product research and development speed can be effectively increased, the process control precision is improved, and the production line trial-manufacturing cost is reduced.

The invention discloses a device and a method for quenching and tempering glass, and relates to the technical field of glass tempering. The tempering device comprises a tempering table, wherein a tempering mechanism and an adjusting mechanism are arranged in the tempering table; the tempering mechanism comprises two groups of limiting plates fixedly mounted between the inner walls of the tempering table, the limiting plates are symmetrically arranged, a cooling box is arranged below the limiting plates, and a plurality of groups of cooling openings are fixedly formed in the bottom of the cooling box. The distance between the cooling openings and the cooling time can be automatically adjusted according to the width degree of the glass, the wide glass is usually thick or large in area, when the distance between the cooling openings is increased, cooling air flow can more evenly cover the surface of the glass, the situation that too strong air flow is concentrated in a certain part, and consequently local temperature is suddenly lowered is avoided, and the service life of the glass is prolonged. Therefore, the phenomenon of local supercooling or superheating is reduced, and the situation that part of the surface of the glass cannot be in contact with cooling air when the glass is too wide is prevented.

The invention belongs to the technical field of material processing, and discloses a magnesium alloy casting semi-solid injection molding method and application, and the method comprises the following steps: checking and adjusting a semi-solid injection machine, a casting mold and other equipment to be in a normal state, and placing magnesium alloy particles in a designated area of a hopper; putting a long nozzle of the semi-solid injection platform into the center of a mold sprue; setting the temperature of each section of a mold temperature controller, a charging barrel and a nozzle; preserving heat for a period of time after the temperature of the charging barrel reaches a set value, so that the temperature of materials in the charging barrel is uniform; setting the injection rate, the cooling time, the material return distance and the melt pressure of the semi-solid injection machine; and after a release agent is quantitatively sprayed to the mold, a semi-solid injection program is started, and a casting is obtained. The AS41B magnesium alloy particles with good heat resistance are adopted as the raw material, the semi-solid injection molding method is combined, a melting furnace is not needed, only heating to the semi-solid state is needed, the melt temperature is low, energy is saved, the service life of a mold is prolonged, protective gas is not needed, and the manufactured casting is good in mechanical property and high in heat resistance.

The invention provides a method for regulating and controlling cooling time after Joule heating and a high-entropy oxide electrocatalyst based on the method, and belongs to the technical field of electrocatalytic electrolysis of water. According to the method, the relationship between the graphite substrates with different mass area ratios and the cooling time is determined based on the Newton's law of cooling by carrying out volume segmentation on the graphite substrates; the structure and performance of the high-entropy oxide electrocatalyst are regulated and controlled on the basis of a cooling time regulation and control strategy; the prepared high-entropy oxide electrocatalyst has excellent oxygen evolution reaction catalytic activity in an alkaline environment, the structure of the high-entropy oxide electrocatalyst with the cooling time of 0.3 s is a nanowire assembled by fine nano-particles, the high-entropy oxide electrocatalyst shows the optimal electrochemical performance, and under the current density of 10 mA cm <-2 >, the high-entropy oxide electrocatalyst has excellent oxygen evolution reaction catalytic activity. And the overpotential is only 219 mV. The method provided by the invention is simple and efficient, and can be widely applied to preparation and performance optimization of the electrocatalyst.

The utility model relates to a forklift type heat treatment quenching device, which aims to solve the technical problem that the time and the speed of the quenching device cannot be controlled, and adopts the technical scheme that the forklift type heat treatment quenching device comprises a three-axis moving device, a lifting device, a base, a front main plate, a vertical column, a cross rod and a control system, the top face of the front side of the base is provided with a front main plate and a stand column, and the transverse rod is fixedly arranged at the upper end of the stand column. The stand column is telescopic, a hydraulic cylinder is arranged in the middle of the stand column, one end of the conveying chain is connected with the lifting frame, the other end of the conveying chain is connected with the front main plate, and the control system is placed on the base and electrically connected with the roller driving motor and the hydraulic cylinder. According to the utility model, the rapid and automatic movement of workpiece quenching can be realized, the cooling time and speed are controlled, the poor quenching effect caused by overlong movement time of the workpiece in the air is prevented, and the quenching efficiency and effect are improved.

The invention provides a data center cascade refrigeration system control method and device, and the method comprises the steps: obtaining an outdoor wet bulb temperature to determine a first target temperature, obtaining an indoor return air temperature to determine a second target temperature, and calculating the temperature difference between the first target temperature and the second target temperature; the data center cascade refrigeration system is controlled to enter a first refrigeration mode, a second refrigeration mode or a third refrigeration mode according to preset conditions, and only the chilled water refrigeration system is started in the first refrigeration mode; in the second refrigeration mode, the chilled water refrigeration system and the evaporation cold and heat pipe refrigeration system are started at the same time; and in the third refrigeration mode, only the evaporation cold and heat pipe refrigeration system is started. In different modes, the system optimizes the refrigeration effect by adjusting the compressor frequency, the water pump frequency, the water supply valve opening, the fan frequency, the fluorine pump frequency, the expansion valve opening and other parameters, and the problems that in an existing refrigeration system in the prior art, the water side natural cooling time is short due to the fact that the temperature difference between the air side and the water side is inconsistent are solved. And more energy is consumed to meet the refrigeration requirement.

The invention discloses a high-precision glass compression molding machine which comprises a rack, an upper mold, lower molds and a compression molding assembly, the upper mold and the lower molds are oppositely arranged in the rack up and down, the compression molding assembly drives the upper mold and the lower molds to be opened and closed, the number of the lower molds is at least two, and the bottom of each lower mold is provided with a movable mold assembly which enables the multiple lower molds to be alternately located under the upper mold; a cooling assembly for cooling the lower mold is arranged in the lower mold; the cooling assembly comprises an air cooling mechanism, a water cooling mechanism and an evaporation mechanism which are matched with one another; heat supply assemblies for preheating the adjacent lower molds are arranged among the multiple lower molds; the cooling assembly achieves the multiple cooling effect, cooling of the lower mold and a mold pressing finished product is remarkably enhanced, the cooling time of the mold pressing finished product is shortened, and the mold pressing finished product is solidified in a short time so as to be closer to the size of an attached mold and meet the high-precision production requirement.

The invention relates to the technical field of energy storage, in particular to a thermal management method and system of an energy storage system and a storage medium. The thermal management method of the energy storage system comprises the following steps: predicting the operation state of management equipment, obtaining operation state data of the management equipment in a preset period, and constructing a charging operation state number axis table and a discharging operation state number axis table; and constructing a temperature operation curve of the energy storage system. And correcting to obtain a corrected curve. And judging whether the correction curve exceeds a preset early warning threshold value or not. And judging whether the phase difference time end is less than a preset time length or not, and radiating by using the most economical cooling equipment. Through the method, heat dissipation of the energy storage system can be estimated, so that heat management can be carried out in advance, preparation and cooling time is provided for heat management, cooling is carried out through optimal cooling equipment, cooling energy can be saved to the maximum extent, the energy utilization rate is increased, energy waste is avoided, and the management cost is reduced.

The cooling device comprises a support, a rotating tank horizontally arranged on the support and a water cooling box body wrapping the rotating tank, a water inlet pipe is arranged at the upper end of the water cooling box body, a water accumulating jar and a water outlet pipe are arranged at the lower end of the water cooling box body, the water inlet pipe and the water outlet pipe are externally connected with a cooling-water machine, and a transverse water pipe located in the water cooling box body is arranged at the lower end of the water inlet pipe. The transverse water pipe is provided with a plurality of spraying heads facing the rotating tank, the rotating tank can rotate on the support, a mixing structure is arranged in the rotating tank, a feeding assembly is arranged at one end of the rotating tank, and a discharging assembly is arranged at the other end of the rotating tank. The cooling device of the horizontal mixed kiln replaces a slow cooling section and a cooling section production line of a traditional kiln, the occupied area is greatly reduced, energy consumption and loss are lower, the spraying head sprays water to cool the rotating tank, the cooling time is shorter, the mixing structure mixes internal materials while the rotating tank rotates, the cooling speed is further increased, and the production efficiency is improved. And the rotary tank replaces the labor cost of a sagger of a kiln in the traditional technology, so that the production cost is lower.

The invention discloses a forming and cooling device for a spiral steel pipe, and relates to the technical field of spiral steel pipe formation.The forming and cooling device for the spiral steel pipe comprises a cart, a liquid mixer, a water pump and two long straight pipes, and a water heater and a cold water tank are fixedly installed on the cart; a water inlet of the water pump is communicated with a water outlet pipe in the liquid mixer through a guide pipe, and the two long straight pipes are communicated with a water outlet of the water pump through a flow divider. Cooling can be started in time according to the actual temperature of the spiral steel pipe, the cooling speed can be controlled by adjusting the water flow and the temperature, compared with natural cooling, the cooling time is greatly shortened, and therefore the production efficiency of the spiral steel pipe is improved; the temperature of cooling water can be accurately controlled between 20 DEG C and 40 DEG C, the situation that the quality and performance of the spiral steel pipe are affected due to the fact that the water temperature is too low or too high is avoided, and the welding quality and the forming effect are guaranteed.

The invention relates to the technical field of cable processing, in particular to multifunctional processing equipment for a copper wire cable. Comprising a cooling box and a rotating wheel, and a plurality of rotating wheels are fixedly connected in the cooling box. The cable is directly cooled through the low-temperature cooling water, so that the cooling efficiency is higher than that of mixed cooling water, the cooling time is further shortened, the problem that the cable is not completely cooled due to the fact that the temperature of the mixed cooling water is high can be avoided by directly cooling through the low-temperature cooling water, and the service life of the cable is prolonged. When the cable is just fed into the cooling box for cooling, the temperature of the protective layer of the cable is high, and if the temperature difference between the cable and cooling water is too large, thermal stress is easily generated on the protective layer material, and the problems of deformation or damage and the like are caused; the low-temperature cooling water flowing out of the flow guide pipe is mixed with the heated cooling water, so that the temperature of the cooling water at the right part of the cooling box is reduced, and cooling efficiency reduction caused by overhigh temperature of the cooling water at the right part of the cooling box is avoided.

The invention relates to a pre-cooling regulation and control method and device of an air conditioner, electronic equipment and a storage medium. Comprising the steps that an air conditioner demand response is obtained, and the air conditioner demand response comprises an air conditioner starting moment; obtaining indoor and outdoor environment temperature change conditions based on the air conditioner demand response, and determining a PMV index range and a corresponding user comfortable temperature range according to a preset user thermal comfort model based on the indoor and outdoor environment temperature change conditions; according to the user comfort degree range, the target load reduction amount and the preset temperature adjustment amount, a target air conditioner pre-cooling regulation and control strategy is determined, and the target air conditioner pre-cooling regulation and control strategy comprises a pre-cooling target temperature and a pre-cooling time window; and according to the target air conditioner pre-cooling regulation and control strategy, before the air conditioner is started, the current set temperature of the air conditioner is adjusted in the pre-cooling time window to meet the pre-cooling target temperature. Therefore, the problem that in the prior art, due to the fact that large-scale infrastructure transformation or user behavior change is needed, certain difficulty and cost exist in implementation is solved.

The utility model relates to the technical field of photovoltaics and semiconductors, in particular to a cavity and a reaction furnace, and solves the problem that the productivity of the reaction furnace is relatively low. The cavity comprises an outer cavity body and a cooling pipeline, the shape of the cross section of the outer cavity body comprises a rectangular ring, the outer cavity body is used for containing a product, and the cooling pipeline is arranged on the outer side of the outer cavity body and used for containing a cooling medium. Compared with a circular cavity, the rectangular cavity can contain more products, so that the bearing capacity of the inner cavity is improved, and the productivity of the reaction furnace is improved. In addition, the cooling medium in the cooling pipeline can accelerate cooling of the cavity, so that the cooling efficiency of the reaction furnace is improved, the cooling time of the reaction furnace is shortened, the production efficiency of the reaction furnace is improved, and the productivity of the reaction furnace is further improved.

The invention discloses a cooling-bed-free aluminum profile production line and a using method thereof.The cooling-bed-free aluminum profile production line comprises a raw material supply device, a heating furnace, a preheating device, an extruder, an air cooler, a saw cutting device, a straightening device, a first traction device, a second traction device and a discharging device, and full-automatic production of raw material supply, heating, extrusion, air cooling, saw cutting, straightening and discharging can be achieved; therefore, full-automatic efficient production of the aluminum profile is achieved. A traditional cooling bed is replaced with a high-speed air injection rapid cooling technology, a large amount of air can act on the surface of the aluminum profile instantly through high-speed air injection, rapid heat exchange is achieved, and therefore the cooling time is greatly shortened; and meanwhile, compared with a traditional cooling bed which needs to maintain a low-temperature environment, high-speed air injection generally only needs to be started when needed, the cooling time and energy consumption can be more accurately controlled, and the energy utilization efficiency is improved.

The invention is suitable for the technical field of refrigerators, and provides a dynamic regulation and control method based on refrigerator power-off recovery, which comprises the following steps: generating a mapping retrieval table of different food materials based on a food material information database; when it is monitored that the refrigerator is powered off, food material attribute information and temperature and humidity data of all temperature areas in the refrigerator are associated and stored, meanwhile, a control circuit of the refrigerator is switched to an energy storage equipment power supply mode, and refrigeration time parameters of all the temperature areas are obtained through calculation; according to the electric quantity parameter of the energy storage equipment and the refrigeration time parameter of each temperature zone, a dynamic planning method is adopted to obtain a refrigeration duration combination of each temperature zone; after the power supply of the refrigerator is recovered, determining temperature zone regulation and control parameters of each temperature zone according to the actual temperature and humidity data of each temperature zone and the food material information; according to the method, under the condition that the refrigerator is powered off, refrigeration adjustment is carried out through the energy storage equipment according to the actual change condition of the food materials during the power-off period, and the food materials are effectively prevented from going bad rapidly due to power-off.

The invention discloses an electrode cap for controlling resistance spot welding nugget deviation of an aluminum workpiece and a matched welding method, the electrode cap comprises a first cylinder, a geometry and a second cylinder, the geometry is in smooth transition to a welding end face through a cambered surface or a conical surface to optimize current distribution, so that the nugget is promoted to deviate towards a thin plate side in the welding process, and the welding quality is improved. The fusion depth of the thin plate side is effectively increased; in the welding process, the electrode cap is used in cooperation with a traditional spherical electrode cap without special design, and a set of complete welding solution is formed. According to the scheme, three key stages of pre-pressing, power-on welding and cooling are covered, and high efficiency and stability of the welding process are ensured by accurately regulating and controlling parameters of each stage, such as pressure, welding current, power-on duration and cooling time. According to the method, the welding quality of the aluminum alloy workpieces with different thicknesses is improved, the problem of nugget deviation is effectively solved, and a more reliable and efficient welding technology choice is provided for the high-end manufacturing fields of new energy automobiles, aerospace and the like.

The utility model discloses a die casting air-cooling conveying device, and relates to the technical field of die casting production. The conveying device comprises a conveying bed, and conveying rollers are arranged on the inner wall of the conveying bed. The top rotating rods are fixed to the opposite sides of the first fixing rod and the second fixing rod respectively, the top rotating rods are limited through the connecting springs which are elastically connected, and due to the fact that a die casting has a certain weight, when the die casting passes through, the top rotating rods are automatically pushed to drive the rotating sleeve to rotate and move in the advancing direction of the die casting; the pressure casting is limited by generating reverse acting force on the pressure casting under the elastic connection matching action of the connecting spring, so that the advancing speed of the pressure casting passing through the lower part of the air cooling assembly can be reduced, the cooling time of the air cooling assembly on the pressure casting is prolonged, and the air cooling effect is improved; and after continuously moving away from the lower part of the air cooling assembly, the die casting can return to a normal moving speed, so that the subsequent output efficiency of the die casting cannot be influenced.

The invention relates to the field of intermediate frequency furnace control cabinets, in particular to an intermediate frequency furnace control cabinet cooling system which comprises a cabinet body, mounting frames, circulating pipes, a circulating mechanism and a heat dissipation mechanism, the cabinet body is divided into a plurality of mounting chambers, the mounting frames are mounted in the mounting chambers respectively, and the circulating pipes are mounted on the side faces and the back faces of the mounting frames; the plurality of circulating pipes are annularly arranged to form a heat dissipation group, the plurality of heat dissipation groups are uniformly arranged along the height direction, and a temperature sensor is mounted in a region corresponding to each heat dissipation group; each circulating pipe is communicated with the buffer box through a circulating mechanism, and the cooling medium in the buffer box is cooled through a heat dissipation mechanism. According to the invention, the number of circulating pipes participating in circulation in the area is controlled through the temperature sensor in each area, so that the local temperature in the control cabinet is accurately adjusted; the cooling time is adjusted by measuring the temperature of the cooling medium after heat dissipation, so that the cooling medium participating in circulation meets the cooling requirement, and the heat dissipation time and the heat dissipation energy consumption are reduced to the maximum extent.

The utility model discloses a laser lettering automatic feeding mechanism which comprises a bearing plate, and a conveying belt is installed on the inner side of the bearing plate. According to the laser engraving machine, an object to be subjected to laser engraving can be placed in a groove reserved in the bearing frame, then the bearing frame is placed on the conveying belt, the conveying belt can drive the bearing frame to move to the position under the laser engraving machine, and in the moving process, the bearing frame can be clamped into the inner side of the calipers; the air cylinder can drive the first motor and the bearing frame to move upwards, the first motor can drive the movable frame to rotate reversely, so that an object on the bottom face is exposed under the laser carving machine, the second motor can remove the movable frame from the position below the laser carving machine after two-face carving is completed, and the number of single-time laser carving is increased; and moreover, the time of single-time laser etching can be prolonged, the overall speed of an assembly line can be increased, the carved objects and the bearing frame can have enough cooling time, and the problem that hands are scalded when follow-up packaging operators take the objects is solved.

The invention discloses a sealing performance test device and method for a superconducting motor refrigerant transmission sealing member, the test device comprises an inner cavity assembly, an outer cavity assembly and a plugging member, one end of the inner cavity assembly is provided with a first air vent, the other end is provided with a movable interface, and an inner radial spigot is formed on the outer wall of the inner cavity assembly at one end of the movable interface; the outer cavity assembly is coaxially arranged in the inner cavity assembly, one end, close to the movable connector, of the outer cavity assembly is provided with a second air vent, an outer radial spigot corresponding to the inner radial spigot is formed in the inner wall of the outer cavity assembly, and an inner ring and an outer ring of the sealing element to be tested are connected to the inner radial spigot and the outer radial spigot in a sealed mode respectively. Pressure measuring ports are formed in the outer wall, on two sides of the sealing element, of the outer cavity assembly, and an exhaust port is formed in the outer wall close to one side of the first ventilation port; the plugging piece is detachably arranged at the movable connector. The technical problems that an existing refrigerant transmission sealing performance testing device for the superconducting motor is too long in cooling time and complex in debugging process are solved.

The invention provides an air conditioner and a control method thereof.The air conditioner comprises a controller, and the controller is configured to obtain the filth blockage rate of an outdoor heat exchanger after the air conditioner is started and when the accumulative refrigeration operation time of the air conditioner is longer than the preset refrigeration time; when the filth blockage rate is within the preset filth blockage rate range, the outdoor environment temperature is obtained; and when the outdoor environment temperature reaches the first preset temperature threshold value and does not exceed the second preset temperature threshold value, the operation frequency of the compressor or the indoor environment temperature is obtained, and the operation state of the outdoor fan is controlled according to the outdoor environment temperature and the operation frequency or the indoor environment temperature. The filth blockage rate of the outdoor heat exchanger can be obtained, when the filth blockage rate meets the condition, the operation state of the outdoor fan is controlled according to the outdoor environment temperature and the operation frequency of the compressor or the indoor environment temperature, and the heat exchange efficiency of the outdoor heat exchanger is improved on the premise that reliable operation of the air conditioner is guaranteed; therefore, the power consumption of the air conditioner during actual operation is reduced, and the energy-saving effect is achieved.

The invention discloses a spiral cooling tower for article refrigeration, and relates to the technical field of article cooling. The spiral cooling tower for article refrigeration comprises a cooling room forming a closed cooling space, a cooling unit located at the top of the cooling room and used for refrigeration, a feeding unit located in the cooling room and used for conveying products to be cooled, a discharging unit and a spiral conveyor. A flow guide assembly used for guiding cold air to flow, an enhancing assembly used for changing the air volume of the flow guide assembly and a backflow assembly used for changing the cooled area of a product are arranged in the cooling room, and the flow guide assembly comprises a flow guide cover located in the center of the spiral conveyor and used for guiding the cold air to flow so as to cool the product; the flow guide plate is mounted on the flow guide cover and conveys cold air to the product; by accurately controlling the flow direction of the cold air, it is ensured that the cold air uniformly covers the surfaces of all baked products, so that the speed of transferring heat from the products to the surrounding environment is increased, the cooling efficiency is improved, and the cooling time is shortened.

The invention provides a preparation method of deformed steel bar and the deformed steel bar prepared by the preparation method, and relates to the technical field of metallurgy. The preparation method comprises the following steps: 1) converter smelting: controlling the content of converter tapping elements; (2) continuous casting is conducted, specifically, molten steel smelted through a converter is poured into square billets; (3) rolling: heating the square billet, preserving heat, and rolling the square billet into a reinforcing steel bar; (4) after the rolling technology is conducted, through-water cooling treatment is conducted, the water pressure of through-water cooling ranges from 0.6 MPa to 0.88 MPa, and the cooling time ranges from 15 seconds to 30 seconds; and 5) performing high-frequency induction heating treatment on the deformed steel bar subjected to water cooling, and controlling the high-frequency induction frequency to be 150-250kHz and the heat preservation time to be 0.02-0.05 second. According to the method, the performance of the deformed steel bar is effectively improved, the production cost is reduced, closed-loop martensite can be effectively eliminated, and meanwhile, the oxidation resistance of the deformed steel bar is improved.

The utility model provides a cable production cooling device, and relates to the technical field of cable production, the cable production cooling device comprises a base and a cooling mechanism, the top end of the base is provided with the cooling mechanism, and the cooling mechanism comprises a fixing assembly, a water storage assembly, a drying assembly, an adjusting assembly and a circulating assembly. The drying assembly can evaporate water absorbed by the water absorption pad by heating a drying sheet, so that the water absorption pad is kept dry, it is ensured that the drying assembly can absorb the water on the surface of the cooled cable, and it is avoided that the subsequent process is affected by too much water. The adjusting assembly can change the soaking and cooling time of the cable by changing the distance between the two fixing assemblies, so that a worker can select the cooling time according to different materials of the cable shell so as to adapt to the production requirements of various cables, meanwhile, the curing time of the rubber shell is shortened by controlling the soaking time, the production efficiency is improved, and the production cost is reduced. And the quality of the cable is maintained.

The utility model belongs to the technical field of injection molds, and particularly discloses an injection mold capable of accelerating cooling, which comprises a device frame, a hydraulic rod is arranged on the device frame, an upper mold is fixedly connected to the bottom end of the hydraulic rod, a pressure plate is fixedly sleeved on the outer surface of the hydraulic rod, a lower mold is fixedly mounted on the device frame, and the lower mold is fixedly connected with the hydraulic rod. A spiral air channel is formed in the lower die, and a circulating water pipe is arranged in the lower die. According to the injection mold capable of accelerating cooling, in the injection molding process, the lower mold can be effectively cooled through the air cooling and water cooling integrated mechanism, the air cooling system stirs air flow through fan blades and discharges the air flow through a spiral air duct, heat dissipation of the surface of the mold is accelerated, and the water cooling system enables water flow to flow in the lower mold through a circulating water pipe; a large amount of heat is effectively absorbed and taken away, and the cooling time of the whole mold can be greatly shortened through the combined action, so that the production cycle is remarkably shortened, and the production efficiency is improved.