44 results about "Frozen temperature" patented technology

The invention relates to a freeze concentration production method and device, and belongs to the technical field of freeze concentration. The method comprises the following steps: feeding a raw material (dilute solution) into a freezing and dissolving device A, setting a freezing temperature, freezing to achieve solid-liquid balance, and separating to obtain a high-concentration solution A; and heating and dissolving the separated ice body in the device to obtain solutions (A1, A2, ice with solute content of less than 1%) with different concentrations. The low-concentration solution (A2) is frozen and concentrated again according to the method, so that the concentration of the solution is improved. The high-concentration solution (A1) can be frozen and concentrated again by using the process method to improve the concentration of the solution, or solutions with different target concentrations can be obtained by mixing according to needs.

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 application relates to an immersion refrigeration temperature control system, and relates to the technical field of immersion refrigeration temperature control. The system realizes temperature control during the immersion refrigeration process, reduces the formation of large ice crystals in the refrigeration process, reduces the damage to the inside of food, reduces energy consumption and reduces costs. The system comprises a temperature acquisition module, a liquid pump driving module, an upper computer, a data transmission module, a control module and a refrigeration equipment control module; the upper computer and the control module realize data interaction through the data transmission module; the temperature acquisition module collects the temperature of a refrigeration object and an external environment, converts the collected temperature signals into electric signals and sends the electric signals to the control module; the control module controls the power of the liquid pump driving module according to the temperature signals of the refrigeration object and the influence value of the external environment on the refrigeration liquid through a cascade control strategy and a PID control algorithm; and the control module also controls the start and stop of the refrigeration equipment control module according to the real-time temperature of the refrigeration object. The application is suitable for the field of immersion refrigeration temperature control.

The invention provides a vacuum freezing method and system based on a surface phase change self-cooling effect. The method comprises the following steps: constructing an initial sacrificial ice layer on the surface of a material; the pressure of the space where the materials are located is controlled to range from 0.01 Pa to 300 Pa and meets Plt; psat (T ice surface (t)), sublimating the sacrificial ice layer so as to absorb heat and cool the material; the existence of a sacrificial ice layer is maintained by dynamically spraying a liquid-phase medium on the surface of the material; and continuously reducing the temperature of the material through continuous sublimation of the sacrificial ice layer, and stopping the freezing process until the center temperature of the material is less than or equal to the target freezing temperature. The phase change latent heat of sublimation of the sacrificial ice layer is utilized to reduce the core temperature of the material to a target value, the dependence on an external cold source is gotten rid of breakthrough, and material damage and energy consumption are remarkably reduced.

The utility model relates to the technical field of freezing processing, in particular to blade or steel strip continuous ultralow-temperature freezing equipment which comprises a freezing cavity, a cold source is arranged in the freezing cavity, an exhaust port and a liquid outlet are formed in the freezing cavity, a feeding hole and a discharging hole are formed in the feeding position and the discharging position of the freezing cavity, a cover plate is connected to the top end of the freezing cavity in a sealed mode, and a freezing track is arranged in the freezing cavity. A cold guide plate is arranged above the freezing track, the two ends of the freezing track are connected with a feeding hole and a discharging hole respectively, and a purging device is arranged on the feeding hole or the discharging hole and used for purging the surface of a product located at the feeding hole or the discharging hole; the freezing track can provide supporting and guiding for products, the products enter from the feeding hole in one side of the box body and reach the discharging hole through the freezing track, it can be guaranteed that the freezing temperature of the products is uniform in the section of the freezing track, and the blowing device is arranged so that frost generated when the products make contact with outside air after being frozen can be removed; and the feeding hole or the discharging hole cannot be frosted under long-time low-temperature work.

This method for producing a frozen dessert has a freezing step in which a raw material liquid containing live bifidobacteria is frozen to obtain a partially frozen product. In order to suppress death of bifidobacteria, the freezing temperature in the freezing step is set to be lower than or equal to the freezing point of the raw material liquid, and the absolute value of the difference between the freezing point of the raw material liquid and the freezing temperature is set to be less than or equal to 2.0°C.

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.

The invention provides a functional cheese sauce. The functional cheese sauce may be combined with various stuffing ingredients to form a self-supporting stuffing composition, which may be pressed or shaped such that it is self-supporting at a refrigerated or frozen temperature. The stuffing composition maintains its shape and is suitable for use in automated high throughput processing of food products such as roll-like food or Mexican rolls. Upon heating the stuffing composition, the self-supporting properties of the functional cheese sauce may disappear, such that the stuffing composition breaks down into a food product having desired organoleptic properties. Compositions of the functional cheese sauce, stuffing compositions, rolled food products, and methods of making are described.

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 food detection, in particular to a portable detection device for multi-temperature-state freshness of livestock and poultry meat. The display screen is arranged at the top of the main body; the storage bucket is fixedly connected with the lower end of the main body through a connecting plate; the temperature detection module comprises a refrigeration temperature sensor and a freezing temperature sensor which are arranged on the two sides of the storage barrel respectively; and the gas collection and analysis module comprises a gas collection probe, a control chip and a gas-sensitive sensor. The refrigeration temperature sensor and the freezing temperature sensor are adopted to detect and judge the temperature of frozen and refrigerated livestock and poultry meat, and compared with an infrared temperature sensor, the refrigeration temperature sensor and the freezing temperature sensor are low in cost, can adapt to the humid and temperature changing environment, can work at the specific temperature for a long time, and are high in durability and high in reliability. High measurement precision can be provided within a certain temperature measurement range, and installation and maintenance are easy.

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 application provides a refrigerator control method and a refrigerator. The refrigerator control method comprises the following steps: obtaining a refrigeration temperature detected by a refrigeration temperature sensor, a freezing temperature detected by a freezing temperature sensor and an evaporation temperature detected by an evaporation temperature sensor; comparing the refrigeration temperature, the freezing temperature and the evaporation temperature with preset conditions to generate a comparison result; the preset conditions comprise a refrigeration opening temperature, a freezing opening temperature, a refrigeration closing temperature, a freezing closing temperature, a first preset temperature and a second preset temperature; and controlling the refrigerator to operate in a preset mode according to the comparison result. By detecting the refrigeration temperature, the freezing temperature and the evaporation temperature in real time, independent refrigeration of the refrigeration chamber and the freezing chamber is realized, and the humidity of the refrigeration chamber is increased, so that the problem of low humidity of the refrigeration chamber of a single-system air-cooled refrigerator is solved.

The invention discloses a refrigerator and a control method thereof. Firstly, the freezing temperature of a freezing chamber of the refrigerator is obtained; and then, when the refrigeration air door is in the closed state and the freezing temperature reaches the preset freezing refrigeration starting temperature, a compressor and / or a draught fan of the refrigerator are / is controlled to run at the preset high speed. Therefore, according to the embodiment of the invention, when the refrigeration air door is closed and the freezing temperature reaches the preset freezing refrigeration starting temperature, the compressor and / or the fan are / is controlled to operate at a high speed, and more cooling capacity is quickly transferred to the freezing chamber, so that the refrigeration duration of the freezing chamber can be shortened, and the cooling capacity transferred to the bottom of the refrigeration chamber in the refrigeration process of the freezing chamber is reduced; therefore, the risk that the temperature at the bottom of the refrigerating chamber is too low is reduced.

The present invention belongs to the technical field of crusher assembly and application, and in particular relates to an intelligent cold installation system for crushers. The system comprises a freezing box and liquid nitrogen connected to the freezing box, and also comprises a controller. The freezing box is provided with a temperature sensor, and the temperature sensors are arranged at intervals along the long side of the freezing box. The freezing box is provided with a nitrogen chamber, and the nitrogen chamber is provided with an exhaust fan, and the exhaust fan is arranged at one end of the freezing box. The nitrogen chamber is also connected to an air pump, and the output end of the air pump is connected to a nitrogen nozzle. The present invention provides an intelligent cold installation system for crushers, which realizes one-button intelligent freezing by improving the structure of the existing freezing box and setting the freezing time and freezing temperature based on experience according to the type, size and material characteristics of the parts to be frozen. In addition, by improving the structure of the freezing box, it realizes multi-point injection, thereby effectively improving the freezing effect and ensuring the freezing quality.

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.

1. The name of the design product: handle ice cube box. 2. The use of the design product: internally provided with ice cube, used for freezing the water poured into the ice cube into ice cubes at freezing temperature. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

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.

The invention discloses a refrigerator and a compartment function conversion method thereof. The refrigerator comprises a freezing chamber. The refrigerating system is provided with a refrigerating air duct, and the refrigerating air duct is provided with a fan used for transmitting the cooling capacity of an evaporator arranged in the refrigerating system to the freezing chamber; a heater is arranged on the evaporator; the first temperature sensor is used for detecting the evaporation temperature of the evaporator; and the second temperature sensor is used for detecting the freezing temperature of the freezing chamber. The target temperature of a freezing chamber is set to be the preset function temperature, a compressor is controlled to be shut down, a draught fan is shut down, a heater is controlled to operate at the preset power, and the evaporation temperature of an evaporator is detected; when the evaporation temperature is not lower than the first temperature threshold value, a heater is turned off, a draught fan is turned on, and the freezing temperature of a freezing chamber is detected; and when the temperature of the freezing chamber is not lower than the second temperature threshold value, the draught fan is closed, and compartment function conversion is completed. The freezing chamber can be quickly converted into a refrigeration function, and the requirement of a user for the refrigeration-to-refrigeration function is quickly met.

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