27 results about "Frozen temperature" patented technology

Provided are: a first storage compartment of a freezing temperature zone; a second storage compartment of a temperature zone higher than the freezing temperature zone; a cooler (72) that has a cooling capacity that differs depending on the position and cools the surrounding air; a cooler compartment (7) that houses the cooler; a supply fan (71) disposed in the cooler compartment; a partition wall (6) that separates at least one of the first storage compartment and the second storage compartment from the front and back of the cooler compartment (7); a first air passage that transports air from the cooler compartment (7) to the first storage compartment; a second air passage that transports air from the cooler compartment (7) to the second storage compartment; a third air passage that returns air from the first storage compartment to the cooler compartment; and a fourth air passage (61D) that returns air from the second storage compartment to the cooler compartment, the third air passage having an air passage formed in the partition wall (6) that extends in the up-and-down direction in at least a portion, and the cooling capacity of the cooler to a second region lower than a first region supplies air drawn from the first storage compartment.

The utility model relates to the technical field of instant freezers, and discloses an instant freezer intelligent alarm system which comprises an instant freezing module, an instant freezing channel is formed in the instant freezing module, and a conveying frame is fixedly connected to the interior of the instant freezing channel. According to the intelligent alarm system of the instant freezer, the tension sensor, the displacement sensor and the speed sensor are arranged on the instant freezer, the tension force, the operation position and the operation speed of the net belt can be monitored, continuous and normal operation of the instant freezer is guaranteed, the freezing temperature of the instant freezer can be monitored by arranging the temperature sensor on the instant freezer, and the alarm effect is improved. By arranging a flash alarm and a sound alarm, warning can be conducted when the instant freezer breaks down, workers can be reminded of handling in time, and the problems that in the operation process of the instant freezer, normal operation of the instant freezer is affected by the tensioning force, the speed and the position of a mesh belt, and the product quality is affected are solved. And the freezing temperature of the instant freezer can influence the freezing quality.

Embodiments of the present application relate to a temperature control method and device, electronic equipment and storage medium. The method comprises: obtaining a current time; determining whether the current time belongs to a preset time range, wherein the opening frequency of the soft freezing chamber is less than or equal to a preset number threshold in the preset time range; in the case where the current time belongs to the preset time range, controlling the indoor temperature of the soft freezing chamber to decrease to a target temperature range, wherein the highest temperature included in the target temperature range is lower than the lowest temperature of the soft freezing temperature range. Thus, the shelf life of the food stored in the soft freezing chamber can be improved.

A load handling device is provided for use in a frozen temperature environment. The load handling device comprises a driving mechanism operatively arranged to move the load handling device, and an enclosure to house a rechargeable power source to power the driving mechanism. The enclosure comprises a structure arranged to substantially fully enclose the power source. The structure comprises aerogel insulation. The enclosure comprises one or more load-bearing support elements configured to support the weight of the rechargeable power source and the aerogel insulation is not load-bearing. An enclosure is provided for a load handling device as defined herein. A storage and retrieval system is provided, comprising a grid framework structure. The grid framework structure comprises a track system comprising a plurality of tracks arranged in a grid pattern, a supporting framework structure supporting the track system, and a plurality of stacks of storage containers arranged in a plurality of storage columns located below the track system. The storage and retrieval system comprises at least one load handling device as defined herein.

The invention provides a refrigerator starting control method and device, a refrigerator, a storage medium and electronic device.The method comprises the steps that when a compressor of the refrigerator is in a shutdown state, the first real-time freezing temperature of a freezing chamber of the refrigerator is detected, and the first real-time refrigerating temperature of a refrigerating chamber of the refrigerator is detected, the refrigerator comprises the refrigerating chamber and the freezing chamber. Heat preservation parameters of the refrigerator are obtained, and the heat preservation parameters are used for representing the heat preservation capacity of the refrigerator; and the compressor is controlled to be started in advance according to the first real-time freezing temperature, the first real-time refrigeration temperature and the heat preservation parameters. By adopting the scheme of the embodiment, the technical problem of large chamber temperature fluctuation caused by poor heat preservation capacity of a refrigerator in the related technology is solved, cooling capacity lag and chamber temperature fluctuation caused by reduction of the heat preservation performance of the refrigerator are avoided, and the refrigeration effect and the user experience of the refrigerator are improved.

The invention relates to the technical field of ice cream machines, in particular to a driving motor control method of an ice cream machine and the ice cream machine, and the driving motor comprises a stirring motor for driving a stirring cutter to rotate and a lifting motor for driving a cup assembly to slide towards the stirring cutter or driving the stirring cutter to slide towards the cup assembly; the current in the operation process of the stirring motor and the lifting motor is monitored in real time through the detection unit, so that the rotating speed change of the lifting motor and / or the stirring motor at different working positions is changed to automatically adjust a program, and the purpose of one-key operation intelligent stirring is achieved; according to the ice cream stirring device, only one working key can be adopted for soft and hard ice cream with different kinds of sugar, fat content or freezing temperature, one-key operation of all formulas is achieved, the stirring rotating speed is automatically adjusted actively according to the load current condition, and therefore the taste of the stirred ice cream is more ideal.

The invention discloses an air door fault repairing method and device, a server, a refrigerator and a storage medium, and relates to the technical field of smart home. The method comprises the steps that the cloud server receives running state data reported by the refrigerator; according to the set freezing temperature and the freezing chamber temperature received within the preset duration, the refrigeration state of the refrigerator within the preset duration is determined; if the refrigeration state of the refrigerator within the preset duration is the normal working state, and the temperature of the refrigerating chamber is within the abnormal temperature range, a fault repairing instruction is sent to the refrigerator, the fault repairing instruction at least comprises a deicing starting instruction, and the deicing starting instruction is used for starting the deicing function of the refrigerator on the air door. That is to say, the running state data of the refrigerator are monitored and analyzed in real time through the cloud server, and the frozen air door is deiced in time. Moreover, manual deicing operation is not needed, damage to the refrigerator due to improper manual deicing operation is avoided, and therefore the service life of the refrigerator is prolonged.

The invention belongs to the technical field of food freezing and fresh-keeping, and particularly relates to a freezing and fresh-keeping method of figs, which comprises the following steps: selecting cleaned and air-dried figs; pre-cooling at 4-6 DEG C; transferring to a static magnetic field freezing chamber, and continuously spraying dry carbon dioxide gas for protection in the transferring process; in a freezing chamber, the figs are placed on a porous rotary carrying disc, synchronous treatment is conducted at the freezing temperature of-21 DEG C to-19 DEG C and the static magnetic field intensity of 9 mT to 11 mT, and meanwhile the porous rotary carrying disc is driven to rotate at the constant speed; surface temperature distribution is monitored in real time through an infrared temperature sensor array, the center temperature is dynamically calculated based on a pre-built temperature gradient model, and freezing is stopped when the center temperature reaches minus 19 DEG C to minus 17 DEG C; storing the frozen figs at the temperature of-21 DEG C to-19 DEG C; and finally, unfreezing at 3.5-4.5 DEG C until the central temperature is-0.5-1 DEG C. The method is mainly used for long-term preservation of figs, effectively reduces ice crystal damage, keeps the shape, texture and flavor of unfrozen fruits, and is suitable for cold-chain logistics, cross-regional transportation and deep processing.

Embodiments of the present application provide a refrigerator, a control method and device thereof, and a computer readable storage medium. The refrigerator is provided with a compressor, a freezing chamber, and a defrosting sensor located in the freezing chamber. The control method comprises: in response to the power-on of the refrigerator, determining whether the temperature measured by the defrosting sensor is less than a preset freezing temperature; in response to determining that the temperature measured by the defrosting sensor is less than the preset freezing temperature, controlling the compressor to start up after a delay; and in response to determining that the temperature measured by the defrosting sensor is greater than or equal to the preset freezing temperature, controlling the compressor to start up immediately.

The invention relates to the technical field of food processing, and discloses a thick soup food production process based on a freeze-drying technology, which comprises the following steps: core raw material pretreatment: preparing a freeze-dried core raw material by adopting a vacuum freeze-drying technology, the freeze-dried core raw material being freeze-dried potato powder or a composite freeze-dried corn raw material composed of freeze-dried sweet corn powder and sweet corn kernels; the technological parameters of vacuum freeze drying are as follows: the freezing temperature is less than or equal to-40 DEG C, the vacuum degree is less than or equal to 10Pa, and the drying time is 12-18h; auxiliary material screening and proportioning: milk auxiliary materials and functional auxiliary materials are selected, the milk auxiliary materials comprise whole milk powder and butter, and the functional auxiliary materials are vitamin powder; a precise compounding process: mixing the pretreated freeze-dried core raw material with the screened auxiliary materials according to a preset proportion; and preparing a finished product: carrying out particle size homogenization treatment on the compounded mixture. The instant thick soup is good in rehydration property, natural and rich in flavor, rich in taste level and balanced and stable in nutrition. The invention further discloses a thick soup food formula based on the freeze-drying technology.

This embodiment provides a technical solution for a refrigerator in which an air passage supplying cold air to the storage chamber is configured to be openable and closable by an opening / closing part, that can suppress condensation from occurring at the opening / closing part, even if the opening / closing part is located between a cooling section capable of cooling to the freezing temperature range and a storage chamber capable of cooling to the refrigeration temperature range, thereby suppressing the freezing of the opening / closing part. [Solution] The refrigerator according to this embodiment includes a cooling unit capable of generating cold air, and an air passage capable of supplying the cold air generated by the cooling unit to a storage compartment. The air passage is openable and closable by an opening / closing unit and includes an openable / closable air passage section whose downstream side is connected to a special compartment. The opening / closing unit includes an opening degree adjustment unit capable of adjusting the opening degree of the openable / closable air passage section, and a drive unit capable of driving the opening degree adjustment unit. An insulating section is provided in the air passage at a position downstream of the cooling unit and upstream of the drive unit.

A refrigeration appliance including a compartment for storing food items. A partition divides the compartment into a first and a second compartments. The first compartment is disposed horizontally adjacent the second compartment and has a user-selectable target freezer temperature. An evaporator is disposed in the first compartment. An evaporator fan is disposed in the first compartment for conveying cooling air from the evaporator to the first and the second compartments. A temperature control module positioned in the second compartment. The temperature control module includes a body having front and rear surfaces. An air passage is formed in the body and extends between a side inlet opening of the body to at least one outlet opening on the front surface of the body. A heater assembly is disposed between the front and the rear surfaces of the body for heating air in the air passage.

The present invention relates to a refrigerator with improved convenience. A refrigerator according to an embodiment includes a storage chamber, a cooler, a freezing region, a vacuum insulation material, a drain pipe, and a heating unit. The storage chamber is provided with an opening. And the cooler is used for cooling the storage chamber. The freezing region is cooled at a temperature of a freezing temperature zone. The vacuum heat insulation material is disposed behind the frozen region and overlaps at least a portion of the frozen region when viewed from the front-rear direction. The drain pipe has a drain portion between the freezing region in the front-rear direction and the vacuum heat insulation material, and discharges defrost water of the cooler, and the drain portion is disposed so as to overlap a rear surface of the freezing region when viewed from the front-rear direction. And the heating part can heat the drainage part.

This embodiment provides a technical solution for a refrigerator whose air duct for supplying cold air to the storage compartment is configured to be openable and closable via an opening and closing part. Even if the opening and closing part is provided between a cooling section capable of cooling to the freezing temperature range and a storage compartment capable of cooling to the refrigeration temperature range, condensation at the opening and closing part can be suppressed, thereby preventing the opening and closing part from freezing. The refrigerator of this embodiment includes: a cooling section capable of generating cold air; and an air duct capable of supplying the cold air generated by the cooling section to the storage compartment. The air duct includes an openable and closable air duct section that can be opened and closed via the opening and closing part and is connected to a special compartment on its downstream side. The opening and closing part includes an opening adjustment part capable of adjusting the opening degree of the openable and closable air duct section and a drive part capable of driving the opening adjustment part. A heat insulation part is provided in the air duct at a position downstream of the cooling section and upstream of the drive part.

The application provides a refrigerator control method and device, a storage medium and a refrigerator. The refrigerator comprises a refrigeration compartment and a freezing compartment. The method comprises the following steps: acquiring a first refrigeration temperature corresponding to the refrigeration compartment and a first freezing temperature corresponding to the freezing compartment; if the first refrigeration temperature is greater than or equal to a refrigeration startup temperature and / or the first freezing temperature is greater than or equal to a freezing startup temperature, then controlling a compressor of the refrigerator to operate at a first rotating speed; and if the first refrigeration temperature is less than or equal to a refrigeration shutdown temperature and the first freezing temperature is less than or equal to a freezing shutdown temperature, then controlling the compressor to stop operating. The application controls the logical relationship between the temperatures of the refrigeration compartment and the freezing compartment and the startup and shutdown temperatures corresponding to different compartments of the compressor, thereby realizing the control of the startup and shutdown of the compressor without increasing devices, and reducing the cost and power consumption.

The present application relates to the technical field of refrigeration equipment, and particularly relates to a refrigeration equipment and a temperature control method and device thereof. The temperature control method of the refrigeration equipment comprises determining that an ambient temperature is less than or equal to a preset temperature; controlling a fan to intermittently operate at a first preset rotating speed; and in response to the fact that a freezing compartment meets a freezing condition and a refrigerating compartment does not reach a shutdown point, controlling the fan to continuously operate at a second preset rotating speed; wherein the second preset rotating speed is greater than the first preset rotating speed. The temperature control method of the refrigeration equipment can prolong the single start-up time length of the compressor at a low ambient temperature, so that the freezing compartment reaches a lower freezing temperature and a refrigeration effect, and the refrigeration effect of the refrigerating compartment is also taken into account. In addition, the temperature control method of the refrigeration equipment effectively realizes the refrigeration effect of the freezing and refrigerating compartments at a low ambient temperature without increasing the cost of the refrigeration equipment, thereby improving the food preservation effect.

The utility model discloses a shipborne graded freezing device which comprises a freezing box, the freezing box is installed in a ship body, an adjusting mechanism is arranged on the freezing box, and the adjusting mechanism comprises a plurality of air inlet pipes, a cold inlet pipe, a speed adjusting pipe, an air outlet mechanism, a central pipe, a contraction opening and a sealing mechanism. The multiple air inlet pipes are communicated with the interior of the freezing box, the adjusting mechanism achieves accurate freezing temperature control through cooperation of the multiple air inlet pipes in the freezing box and the speed adjusting pipe, cold air is primarily divided through a contraction opening in the center pipe, reverse flow is formed through ingenious design of a rotation groove and an inlet groove, and the freezing temperature is controlled. By means of the structure, uniform distribution of cold air can be achieved, and the cooling effect is controlled by adjusting the intensity of reverse flowing.

A load handling device (31, Fig 3) used in a frozen temperature environment such as a grided and tracked storage and retrieval system (1) comprises a driving mechanism operatively arranged to move the

The invention discloses a bonded permanent magnet and a preparation method thereof, and the preparation method comprises the following steps: 1) mixing permanent magnet alloy powder, an epoxy resin-based thermosetting binder and a silane coupling agent to obtain a mixture; 2) freezing the mixture at a freezing temperature of-196 to-80 DEG C for 0.5 to 10 hours to obtain a frozen mixture; 3) raising the temperature of the frozen mixture to a temperature returning temperature of 20-30 DEG C to obtain a temperature returning mixture; 4) filling the temperature-returning mixture into a mold, and pressing into a permanent magnet green body; 5, the permanent magnet green body is subjected to first temperature rise and heat preservation treatment, second temperature rise and heat preservation treatment and third temperature rise and heat preservation treatment, a cured magnet is obtained, the cured magnet is cooled, and the bonded permanent magnet is obtained.The subzero treatment and segmented curing are cooperated, so that the compactness of the bonded permanent magnet can be remarkably improved, and the magnetic performance of the bonded permanent magnet is improved.

The invention relates to a preparation method of a wick, the wick and a vapor chamber, and the preparation method comprises the following steps: fixing a wick mold filled with wick slurry in a rotary freeze dryer, rotating for a period of time at a certain rotating speed, freeze-drying in a rotating state to obtain a wick blank, and sintering to obtain the wick. According to the method, firstly, liquid in liquid absorption core slurry is continuously distributed in the centrifugal force direction through rotating centrifugal force, then, the slurry state is preliminarily fixed through freeze-drying, and finally, the liquid absorption core with the porosity continuously changing is obtained through sintering. The change amplitude of the overall porosity of the wick can be adjusted by adjusting the rotating speed, and the size of the porosity can be finely adjusted by controlling the freeze-drying temperature based on different ice volumes at different freezing temperatures; the method has the advantages of being simple in process, continuous and controllable in porosity change, convenient to control, free of introduction of other elements, free of limitation on the wick material and wide in application range.

The invention belongs to the technical field of freezing temperature fields, and particularly discloses a shield tail brush replacement freezing temperature field stochastic analysis and design method considering soil parameter spatial variability, and the method comprises the following steps: obtaining engineering parameter and soil thermal parameter basic data; establishing a deterministic freezing temperature field model and performing benchmark analysis; constructing a soil thermal parameter 3D random field; performing 3D random freezing temperature field analysis based on Monte Carlo simulation; evaluating the thickness statistical characteristics and reliability of the frozen wall; determining a design expansion coefficient; the invention discloses freezing scheme optimization design considering random characteristics. According to the method, the three-dimensional random thermal value model fusing the random field theory and Monte Carlo simulation is established, the soil variability is systematically considered, the safety and economy of shield tunneling machine tail brush replacement operation are improved, and the limitation of traditional 2D cold region frozen soil stochastic analysis is broken through.

The invention provides a refrigerator control method, system and device and a storage medium, and the method comprises the steps that when a refrigerator meets a first condition, a compressor is controlled to refrigerate a cold storage chamber according to a first frequency; the compressor is controlled to refrigerate the freezing chamber according to the first frequency, and whether the difference value between the refrigerating temperature of the refrigerating chamber and a first preset value is larger than a first threshold value or not is obtained and judged; if yes, a compressor is controlled to refrigerate a freezing chamber according to a second frequency, and the freezing chamber communicates with the cold storage chamber until the freezing temperature of the freezing chamber reaches a second preset value; the second frequency is greater than the first frequency. According to the method, the refrigerating effect of the two chambers is guaranteed, high energy consumption caused by long-time high-load operation of the compressor can be avoided, and therefore optimal balance between refrigerating efficiency and energy consumption is achieved.

The invention relates to the technical field of cryopreservation, in particular to an active inonotuso bliquus superoxide dismutase cryopreservation device and method. The purpose of the present invention is to provide a cryopreservation device capable of adaptively controlling the freezing temperature on the basis of the real-time preservation state of an enzyme so as to prolong and maintain the activity of the enzyme as much as possible. According to the active inonotuso bliquus superoxide dismutase cryopreservation device and method, an artificial intelligence monitoring algorithm based on deep learning is adopted to process and analyze state monitoring data of active inonotuso bliquus superoxide dismutase and collected data of a freezing temperature value; and extracting implicit relevance characteristics between the state change characteristics of the active inonotuso bliquus superoxide dismutase and the dynamic change characteristics of the freezing temperature, and carrying out characteristic classification of real-time freezing temperature values on the basis of the implicit relevance characteristics, so as to adaptively regulate and control the freezing temperature values on the basis of the real-time preservation state of the enzyme.

The present application relates to a mechanical air-cooled refrigerator and a control method thereof. The mechanical air-cooled refrigerator comprises a refrigeration chamber and a freezing chamber for storing articles. The control method comprises: obtaining an ambient temperature of an ambient space where the mechanical air-cooled refrigerator is located when a compressor and a fan of the mechanical air-cooled refrigerator are in a shutdown state; setting a target startup point temperature and a target shutdown point temperature of the refrigeration chamber according to the ambient temperature; the target startup point temperature and the target shutdown point temperature are positively correlated with the ambient temperature; and controlling the start and stop of the compressor and the fan according to the ambient temperature and the relationship between the measured temperature in the refrigeration chamber and the target startup point temperature and the target shutdown point temperature. The present application prolongs the running time of the compressor when the ambient temperature is low, thereby effectively avoiding the problem that the freezing temperature cannot meet the freezing requirements when the ambient temperature is low. Moreover, the present application does not make any changes to the structure of the refrigerator and does not increase any cost.

The present application relates to a mechanical air-cooled refrigerator and a control method thereof, the mechanical air-cooled refrigerator comprising a refrigeration chamber and a freezing chamber for storing articles. The control method comprises: acquiring an ambient temperature of an ambient space where the mechanical air-cooled refrigerator is located when a compressor and a fan of the mechanical air-cooled refrigerator are in a normal operation state; in the normal operation state, the compressor and the fan operate respectively according to a set rotating speed and a set duty cycle; and when the ambient temperature is less than or equal to a first preset temperature, and a measured temperature in the refrigeration chamber is less than or equal to a preset shutdown point temperature, the compressor and the fan continue to operate respectively at a target rotating speed lower than the set rotating speed and a target duty cycle lower than the set duty cycle. The present application delays the time of compressor shutdown when the compressor and the fan are in normal operation and the ambient temperature is low, and prolongs the operating time of the compressor, thereby effectively avoiding the problem of high freezing temperature when the ambient temperature is low.

The invention discloses a tea leaf prototype wall-breaking processing method, which belongs to the technical field of tea leaf processing, and comprises the following steps: S1, raw material pretreatment: selecting complete bud leaf tea leaves, removing impurities, and refrigerating in a low-temperature environment of-5 DEG C to 0 DEG C; then washing the tea leaves with deionized water at 30-40 DEG C for 2-3 times, draining water, and controlling the water content of the tea leaves to be 60-70%; s2, composite wall breaking treatment: sequentially carrying out low-temperature rolling, stepped ultrasonic treatment and directional enzymolysis on the pretreated tea leaves; s3, enzyme inactivation and post-treatment: heating the enzymolysis system to 85-90 DEG C, and keeping the temperature for 10-15 minutes, so that the residual activity of cellulase and pectinase is less than or equal to 1%, thereby completing enzyme inactivation; after the tea leaves are fished out, vacuum freeze drying is performed under the conditions that the vacuum degree is smaller than or equal to 10 Pa and the freezing temperature is minus 40 DEG C to minus 30 DEG C until the water content is 8-12%; the invention discloses a processing method which is uniform in wall breaking, high in effective component retention rate and capable of maintaining the original shape characteristics of tea leaves, and the tea leaves with the wall breaking rate larger than or equal to 85% are screened in three stages according to the particle size of 40 meshes, 60 meshes and 80 meshes.

This application discloses a temperature control method, a cryogenic refrigeration system, and a cryogenic refrigeration cabinet, relating to the field of temperature control technology and applied to a cryogenic refrigeration system. The cryogenic refrigeration system includes a dual-suction compressor and a temperature acquisition device. The method acquires first temperature information collected by the temperature acquisition device, including a first refrigeration temperature in the refrigeration zone, a first freezing temperature in the freezing zone, and a first ambient temperature in the ambient zone. When the first refrigeration temperature exceeds a preset upper limit temperature, or the first freezing temperature exceeds a preset upper limit temperature, a control command for the dual-suction compressor is determined based on the first ambient temperature. The method then acquires second temperature information collected by the temperature acquisition device under the control command for the dual-suction compressor and controls the dual-suction compressor based on this second temperature information to achieve temperature control of the refrigeration and freezing zones. This application reduces the cost of implementing temperature control.