6644results about "Cooling fluid circulation" patented technology

The invention provides an automatic energy-saving control method and device for a ring cooling fan based on load feedback, relates to the field of ring cooling fans, and solves the technical problem of delay of regulation and control in an energy-saving working state. The method comprises the steps that working condition data are input into a preset powder box model, and a feed-forward air volume instruction is obtained through calculation; and inputting the working condition data into a state observer to obtain an optimal estimated temperature value. And the deviation between the optimal estimated temperature value and a preset temperature set value is calculated, and a feedback air volume compensation instruction is obtained through calculation of a feedback controller according to the deviation. And fusing the feed-forward air volume instruction and the feedback air volume compensation instruction to obtain a final air volume control instruction, and issuing the final air volume control instruction to a fan frequency converter for execution. And continuously monitoring the numerical value and the change trend of the feedback air volume compensation instruction, taking the feedback air volume compensation instruction as a prediction error signal of the powder box model, and adaptively adjusting key thermal parameters in the powder box model. The method is used in the control process of the ring cooling fan.

The invention relates to the technical field of refrigeration house energy-saving control and digital twinning, in particular to a refrigeration house fan energy-saving operation method and system, and the method achieves the whole-field temperature deduction of a sensor-free area by constructing a CFD reference model and simulating and predicting the three-dimensional transient airflow and temperature distribution in a refrigeration house. Model parameters are calibrated through measured data, and the order of the model is reduced by adopting intrinsic orthogonal decomposition and Galerkin projection, so that the calculation amount is remarkably reduced, and online optimization is supported. And in combination with a data assimilation algorithm, the prediction result of the reduced-order model is continuously corrected, and the adaptability to environment change and system aging is improved. The optimization control stage takes minimization of the total energy consumption of a fan as a target, solves an optimal fan control sequence under the hard constraint that the whole-field temperature does not exceed the cargo safety upper limit and does not exceed the cargo safety lower limit, and adopts a rolling time domain mode for execution to realize collaborative optimization of safety and energy conservation.

The invention discloses a broiler processing workshop refrigeration house suspended ceiling air cooler which comprises an air cooler body, a suspended ceiling device is installed above the air cooler body, a machine body shell is arranged in the air cooler body, a plurality of protective covers are installed on the surface of the machine body shell, draught fans cover the protective covers, a controller is arranged beside one protective cover, and a dustproof net rotary connection base is embedded outside the protective cover. A water guiding assembly is fixed to the bottom of the machine body shell, even number of auxiliary hanging rods are installed on the surface of the machine body shell, even number of connecting hanging lugs are arranged on the two sides of the machine body shell, and a turbulent flow device is nested in the top of the machine body shell. A cover plate is arranged in the turbulent flow device, and an even number of shaft fixing seats are evenly installed on the two sides of the cover plate. The turbulent flow device is installed on the machine body shell, and the turbulent flow device is made to be perpendicular to the fin planes, so that under the driving of airflow impact, the turbulent flow pieces generate elastic deformation in the fixing base, surrounding air is driven to form local turbulent flow, the continuity of a condensed water film is destroyed, and the frost crystal nucleation and growth rate is delayed; and the stability of the warehouse temperature is indirectly guaranteed.

The invention belongs to the technical field of rock drills, and discloses a rotary impact type hydraulic rock drill. The rock drilling bit group is arranged in one side of the rock drilling machine shell; the rotating mechanism is arranged at the top of the rock drill shell, and the rotating mechanism is located above one side of the rock drill bit set; according to the technical scheme, by arranging the hydraulic mechanism, the cooling and cleaning assembly and the driving assembly, when the hydraulic mechanism is started to make the output end collide with one end of the middle of the rock drilling bit set back and forth, the top of one side of the driving assembly is driven to move up and down back and forth; cold water in one side of the cooling and cleaning assembly can be pumped back and forth into the other side of the cooling and cleaning assembly, and then the cold water can be sprayed out through the other side, so that heat generated by the impact part of the hydraulic mechanism and the rock drilling bit group can be cleaned and cooled; the service life of parts in the rock drill shell is prevented from being influenced by high temperature.

The invention belongs to the technical field of refrigerator refrigerating systems, and discloses a new-function turbulent flow fan which comprises an air duct, a centrifugal fan, an axial flow fan and an evaporator. The centrifugal fan is arranged in an internal air cavity of the air duct; the axial flow fan is arranged outside the air inlet of the air duct through a bracket in a posture that the axis of an impeller is vertical to the horizontal plane; the system of the turbulent flow fan is configured as follows: when the refrigerator works normally for refrigeration, the centrifugal fan is controlled to operate and the axial flow fan stops rotating, so that air flow is sucked in from the air duct air inlet and exhausted from the air duct air outlet; the support type axial flow fan is installed at the air inlet of the air duct, intelligent switching of the working modes of the refrigerator is achieved, the axial flow fan constructs an air curtain for preventing hot air from entering the air duct at the air inlet of the air duct, the problem that warm flow intrudes into the refrigerator body in the defrosting process is successfully solved, the temperature of an inner container of the refrigerator body is kept stable in the defrosting process of the refrigerator, and the service life of the refrigerator is prolonged. No extra refrigeration is needed to counteract the warm flow influence, and the total energy consumption of the refrigerator is reduced.

A refrigerator appliance may include a cabinet defining a chamber. The refrigerator appliance may include a door rotatably hinged to the cabinet for accessing the chamber. The refrigerator appliance may include an articulating mullion rotatable coupled to the door. The articulating mullion may include a body. The refrigerator appliance may include a mullion guide element adjustably attached to the body. The mullion guide element may be vertically movable relative to the body to ensure proper engagement between the mullion guide element and the cabinet.

The invention relates to the technical field of immersed temperature control and thermal runaway prevention of a power battery of a new energy automobile. The technical problems to be solved are clearly reflected that the non-uniform heat dissipation and spontaneous combustion of the power battery are two technical problems of a new energy automobile, and the technology provided by the invention can enable the heat dissipation of the power battery to be good and prevent spontaneous combustion. The technical scheme for solving the problem is characterized in that a buffer material is used for protecting the bottom of a battery pack, a circulating temperature control system is filled with fluorinated liquid, elements such as battery cells in the battery pack are soaked in the fluorinated liquid, and according to the temperature requirement of the battery cells, the fluorinated liquid exchanges heat with a heat pump system, a heater and a driving motor, so that the battery pack is heated. The fluorinated liquid is recycled to raise or lower the temperature of elements such as the battery pack. When the battery cell is abnormally high in temperature or thermal runaway, the battery cell is extinguished and cooled by means of quick discharge, water injection into the battery pack and the like. The device is used for heating or circularly cooling elements such as a power battery and preventing spontaneous combustion of a power battery pack.

The invention discloses a quick broiler fresh-locking refrigeration house which comprises a refrigeration house body, an in-house opening and closing door is installed on the inner wall of the refrigeration house body, an electric controller is installed on the same side of the in-house opening and closing door, an even number of driving motors are installed on the refrigeration house body, an out-house opening and closing door is installed on the outer wall of the refrigeration house body, and an even number of outdoor condensation units are installed on the top of the refrigeration house body. An in-storage bin is arranged in the refrigeration storage, inner supporting columns are fixed to the four corners of the in-storage bin, and an even number of cold supply assemblies are installed on the top of the in-storage bin. After cold air is input into the conveying air guide cylinder, the cold air is divided into two parts through the flow dividing inner cavity, enters the independent frame inner cavity and is guided to the connecting cover opening through the cavity wall air guide block; meanwhile, the plate side temperature sensor feeds back a temperature signal to the electric controller, the electric controller is triggered to adjust the first electric control motor and the second electric control motor, the air volume and the air outlet angle are changed, and air outlet of the duckbilled covers with the shutters at different heights is matched with the temperature of products placed on the movable goods shelf; and the condition of freshness locking failure caused by slow cooling and large temperature difference of broiler chickens on middle and lower shelves is avoided.

Shipping container packaging has a top and bottom tray and a divider assembly including interconnected longitudinal and lateral panels and at least one thermal regulation element to form article surrounding voids or chambers. The at least one thermal regulation element includes heat transfer surfaces in direct radiant heat transfer relation to the articles. In one form, the thermal regulation element includes a refrigerant. In one form, the divider assembly includes plural thermal regulation elements. In one form, the assembly defines bottle surrounding chambers.

This invention relates to a spiral quick-freezing machine with multiple circulating flow fields and its adjustment method, comprising a hopper, a conveying system, and an air source; an air guide plate is arranged outside the conveying system, dividing the hopper into an inner and outer section; a partition is arranged outside the air guide plate, dividing the hopper into an upper and lower section; the air source is arranged on the partition, with the air outlet located in the upper section and the air inlet in the lower section; a first air inlet, a second air inlet, a third air inlet, a first air outlet, and a second air outlet are provided on the air guide plate, with the first air inlet, second air inlet, and first air outlet all located above the partition, and the third air inlet and second air outlet located below the partition; a circulating air vent is arranged on the partition near the first air outlet. By setting multiple air vents, two circulating flow fields are formed. Under single-space conditions, the form of the flow field is changed by controlling the opening and closing of the air vents, thereby achieving the selection of a suitable flow field under different operating conditions.

The refrigerator includes: a main body; a storage chamber formed inside the main body; a door provided so that the storage compartment can be opened and closed; an evaporator that evaporates the refrigerant to generate cold air; an evaporator duct disposed at a rear side of the storage compartment to supply the cold air generated by the evaporator to the storage compartment; and a thermoelectric cooling device including a thermoelectric element having a heating unit and a cooling unit. The thermoelectric cooling device is configured to heat air from the outside of the main body by the heating unit and discharge the air heated by the heating unit to the outside of the main body, cool air from the storage compartment by the cooling unit, and supply the air cooled by the cooling unit to the storage compartment, and is disposed above the storage compartment.

The invention provides a heat preservation box capable of rapidly replacing a cold source. The heat preservation box comprises a box body and cold storage plates; the box body is provided with a box door, a cold storage area, a control area and a cold source area are arranged in the box body, the cold storage area is separated from the control area and the cold source area through a middle partition board, and the control area and the cold source area are separated through a side partition board; a backflow partition board is arranged in the cold source area, the cold source area is divided into a cold source cavity and a backflow cavity through the backflow partition plate, the cold source cavity communicates with the lower portion of the backflow cavity, a plurality layers of cold sourceframes used for containing the cold storage plates are arranged in the cold source cavity, and the cold source cavity communicates with the cold storage area through an air inlet channel; an exhaustfan is arranged on the air inlet channel, the cold storage area communicates with the backflow cavity through a backflow channel, and an air blower is arranged on the backflow channel; a control module is arranged in the control area, a first temperature sensor is arranged in the cold storage area, the exhaust fan, the air blower, and the first temperature sensor are electrically connected with the control module; and box body, the middle partition plate and the side partition plate are all made of vacuum composite plates. According to the heat preservation box, the replacement efficiency of the cold source is improved.

The rapid cooling device comprises a cooling box body, air curtain isolation systems are arranged at the two ends of the cooling box body, and the interior of the cooling box body is sequentially divided into a pre-cooling area, a deep cooling area and a uniform temperature area in the material conveying direction; the pre-cooling area is provided with a first cooling unit, the first cooling unit comprises a compressed air source and a plurality of vortex tube coolers communicated with the compressed air source, and the output ends of the vortex tube coolers are provided with nozzles used for spraying cold air to materials; the deep cooling area is provided with a second cooling unit, the second cooling unit comprises a liquid nitrogen supply source and a plurality of atomizing nozzles communicated with the liquid nitrogen supply source, and the second cooling unit is used for spraying low-temperature atomizing media to materials. The efficient, uniform and stable cooling of the heat-conducting structural adhesive is realized, and the product performance and batch consistency are improved.

The invention provides a temperature control method and device of a refrigerator, a computer readable storage medium and the refrigerator. The method comprises the steps that a predicted environment temperature sequence of a future preset time period, historical operation data of the refrigerator and refrigerator body parameters are obtained; a long short-term memory network model is constructed, the predicted environment temperature sequence, the historical operation data and the refrigerator body parameters are input into the long short-term memory network model for prediction processing, and an internal temperature prediction sequence of the refrigerator in a future preset time period is obtained; and a temperature set value and current operation data of the refrigerator are obtained, a temperature control strategy of the refrigerator in the future preset time period is determined at least according to the temperature set value of the refrigerator, the current operation data, the refrigerator body parameters and the internal temperature prediction sequence, and the temperature of the refrigerator is controlled through the temperature control strategy. The problem that an existing refrigerator temperature control system depends on feedback control of an internal sensor, and the performance of the refrigerator is affected under the condition that the external environment changes suddenly is solved.

The invention belongs to the technical field of drying devices, and particularly relates to a drying device for traditional Chinese medicine decoction piece production, which comprises a drying device main body, a driving mechanism positioned at the inner bottom of the drying device main body and a rotating mechanism positioned above the driving mechanism, fixing plates are fixedly connected to the opposite sides of the two supporting plates, mounting bases are movably connected to the opposite sides of the two fixing plates through pins, a second motor is fixedly connected to the left side of the supporting plate on the left side, and the output end of the second motor is fixedly connected with the mounting base on the left side. The fixing insertion blocks on the two sides are controlled by the pull rods to move back to back, the mounting blocks are inserted into the mounting bases, the fixing insertion blocks are controlled by the fixing springs to be inserted into the fixing insertion grooves, meanwhile, the limiting balls are extruded by the metal spring pieces to be inserted into the limiting ball grooves for secondary fixing, and fixing mounting of the frame body is achieved; the problem that the drying device placer is troublesome to clean and maintain is solved.

Methods, systems, devices and / or apparatuses for a hardened reusable shipping container. The hardened reusable shipping container includes a lid. The lid is configured to be opened and closed. The hardened reusable shipping container includes a base enclosure. The base enclosure is coupled to the lid and has a payload area. The payload area is configured to receive a payload and maintain a temperature of an environment surrounding the payload. The hardened reusable shipping container includes an insert. The insert is configured to be positioned within the payload area to cool or maintain the temperature of the environment surrounding the payload.

A refrigeration device includes an outer frame box, a refrigerant system, a cooling liquid system, a heat exchanger and a fan assembly. The refrigerant system and the cooling liquid system are connected to the heat exchanger, and the refrigerant and the cooling liquid exchange heat in the heat exchanger. The fan assembly is configured to provide power for the flow of airflow in the outer frame box. The cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly are sequentially arranged in the outer frame box along a flow direction of the airflow. The layout of the cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly in the outer frame box is reasonable, so that the cooling liquid system, the heat exchanger, the refrigerant system and the fan assembly can form a compact layout in the outer frame box.

The embodiment of the present application provides a kind of humidity control device and refrigerator, humidity control device is connected with the drawer interchamber of refrigerator, including filter, fan, air duct component, ventilation cover, air duct component includes air inlet and air outlet, is connected with the drawer interchamber by air outlet, ventilation cover is set on the shell of refrigerator, and is connected with air inlet, for introducing ambient air;Fan is arranged in air duct component, for adjusting the air flow rate in air duct component;Filter is arranged in air duct component, for filtering ambient air.The embodiment of the present application can when the internal humidity of drawer interchamber is less than preset value range, start fan to intensify the air flow speed in air duct component, more quickly introduce ambient air into drawer interchamber, to increase the internal humidity of drawer interchamber, humidification is carried out by the way of introducing ambient air, can solve the problem that existing active humidity control needs to rely on water box and ultrasonic wave technology.

The invention relates to the technical field of intelligent household appliances, and provides a refrigerator sterilization method and device, a refrigerator, equipment, a medium and a program product.The method comprises the steps that it is determined that the standby duration of a pulse function module is larger than first preset duration, and a sterilization signal is generated; and sending a sterilization signal to the pulse function module, wherein the sterilization signal is used for indicating the pulse function module to emit pulsed light in the refrigerator according to the sterilization mode. The standby duration of the pulse function module is timed, and when the duration that the refrigerator is not sterilized exceeds the preset duration, the sterilization signal for triggering the pulse function module to sterilize is automatically generated, so that when a user forgets to sterilize or feels that sterilization is too troublesome to manually start, the sterilization signal is automatically generated; and the pulse function module is controlled to automatically sterilize in the refrigerator, so that the food materials are prevented from breeding bacteria in the refrigeration process, and the food materials and the interior of the refrigerator are effectively guaranteed to be clean.

The invention discloses an energy-saving type airflow cooperative control system of an impact type tunnel instant freezer and an optimization method. The system obtains multi-source data of materials, environment and equipment in real time through a data sensing and collecting module; the collaborative optimization decision module generates a global control instruction for coordinating the air supply subsystem, the refrigeration subsystem and the conveying subsystem based on an optimization model with the lowest total energy consumption of the system as a target; the airflow dynamic execution module and the refrigeration conveying cooperative execution module respectively drive the adjustable airflow generation unit, the refrigerating unit and the conveying chain to generate a dynamic airflow field matched with the freezing load and adjust the cooling capacity and the speed; the intelligent defrosting scheduling module optimally triggers defrosting based on the prediction model; according to the method, the steps of data collection, decision optimization, airflow dynamic adjustment, refrigeration conveying cooperation and intelligent defrosting are synchronously executed. According to the invention, deep collaboration and dynamic optimization of multiple subsystems are realized, the energy consumption of the instant freezer can be obviously reduced, and the freezing uniformity and the continuous production efficiency are improved.

The invention relates to the technical field of terminals, in particular to a gas adjusting method and device for a fruit and vegetable storage space, a medium, a product and a chip. The method comprises the following steps: in a first time period, acquiring a first target concentration of oxygen, a first concentration of ethylene in a fruit and vegetable storage space and a first temperature of the fruit and vegetable storage space; fruits and vegetables of a first type are at least stored in the fruit and vegetable storage space; determining first predicted respiration intensity according to the first concentration, the first temperature, the first type and the first target concentration; acquiring first power consumption of the nitrogen making machine; determining a first balance value according to the first predicted respiration intensity, preset target respiration intensity and first power consumption; under the condition that the first balance value is smaller than the preset balance value, the oxygen concentration in the fruit and vegetable storage space is adjusted to be the first target concentration. Therefore, accelerated maturation of the fruits and vegetables caused by too high respiration intensity of the fruits and vegetables can be avoided, and high cost caused by too much nitrogen input of the nitrogen making machine can also be avoided.

The invention relates to a nitrogen making method and device for a refrigerator cabin, a refrigerator and a computer readable storage medium, and the method comprises the steps that a nitrogen making module of the refrigerator comprises an air pump and a molecular sieve tower, the air pump is connected with the molecular sieve tower, and the air pump is used for inputting air into the molecular sieve tower; the molecular sieve tower is used for separating nitrogen in air and inputting the nitrogen into a target cabin of the refrigerator. The method comprises the steps that the target nitrogen concentration is obtained according to the fruit and vegetable fresh-keeping requirement in the target cabin; adjusting the working pressure of the air pump according to the target nitrogen concentration; wherein the higher the target nitrogen concentration is, the higher the working pressure of the air pump is; the lower the target nitrogen concentration is, the smaller the working pressure of the air pump is. By adopting the method, the problem that the nitrogen and oxygen concentration in the refrigerator cabin cannot be adjusted to the ideal concentration can be solved.

A disinfecting system includes a housing. An ultraviolet light (UV) source is secured to the housing and configured to emit UV light for disinfection of a target. A processor is secured to the housing in communication with the UV light source. The processor is configured to activate the UV light source for a selected amount of time suitable for disinfection of the target.

The invention relates to a refrigerator and a control method thereof. The refrigerator comprises a refrigerator body, a refrigerating system, a temperature sensor and a controller, and is configured to determine an initial control parameter corresponding to the current environment temperature based on a parameter initialization model; for each iteration process, the refrigerator is controlled to operate in a single cycle according to the refrigerator control parameters corresponding to the iteration process, and performance evaluation data corresponding to the single-cycle operation of the refrigerator is obtained; under the condition that the performance evaluation data corresponding to the current single-cycle operation meets a preset updating condition, according to the performance evaluation data corresponding to the current single-cycle operation, refrigerator control parameters corresponding to the current iteration process are updated, and refrigerator control parameters corresponding to the next iteration process are obtained; and continuing to execute the next iteration process until the performance evaluation data in the latest iteration process does not meet the preset updating condition any more. The method can achieve the energy-saving effect of the refrigerator.

A tag includes: a temperature indicating material; and an identifier that presents identification information uniquely identifiable by appearance. A control method includes: capturing, with a camera, an image of a first food item that is a food item to be stored, or a food item stored, in an interior of a refrigerator to generate the image showing the tag, the tag being attached to the first food item; obtaining a temperature of the first food item by analyzing a color of the temperature indicating material included in the tag shown in the image generated; and generating control information to control cooling of the interior of the refrigerator by comparing the temperature obtained with an appropriate temperature range for the interior of the refrigerator, and transmitting the control information generated to the refrigerator.

A portable beverage container capable of autonomously generating ice using an internal cooling system. The cup includes a thermoelectric cooling mechanism within a lower chamber that transforms water into ice. An optional embodiment allows the user to pour or store beverages in the same unit, enabling ice to cool the liquid directly for drinking. The invention is compact, self-contained, and ideal for travel, outdoor use, or situations where conventional refrigeration is unavailable.

An ice making module (100), and an ice maker and refrigerator having same. In the ice making module (100), a lifting device drives an upper die (26) to ascend or descend. After descending, the upper die (26) matches with a lower die (13) to form a plurality of ice making cavities. The top of the upper die (26) is provided with a plurality of water inlet holes, which are respectively in communication with the cavities. A quantitative water supply system (7) is in communication with the water inlet holes (261) to achieve quantitative water supply. The lower die (13) is connected to a turning device. The bottom of the lower die (13) is attached to a heat transfer block (12). Further comprised is a separation apparatus and / or a vent hole (122). The separation apparatus is used for separating the heat transfer block (12) and the lower die (13). The vent hole (122) communicates a gap between the heat transfer block (12) and the lower die (13). By means of the present ice making module (100), ice can be rapidly made, the dies can be rapidly separated from the heat source, the dies are easy to turn over, and the ice maker can collect overflow water to prevent the overflow water from soaking the device. The refrigerator is connected in series with an evaporator (33) of the ice making module (100) by means of an evaporator (102) of the refrigerator, or directly uses air from an air port of an air duct of a freezing chamber of the refrigerator to cool the dies, thereby saving energy.

An appliance including a case body defining a plurality of case apertures, a locator rail attached to a first side of the case body, the locator rail comprising a plurality of locator tabs, each locator tab of the plurality of locator tabs being engaged with one corresponding aperture of the plurality of case apertures, and a door hinge bracket positioned on a second side of the case body, the door hinge bracket defining a plurality of bracket apertures, each locator tab of the plurality of locator tabs being engaged with one corresponding bracket aperture of the plurality of bracket apertures, wherein the plurality of locator tabs constrains the door hinge bracket in at least three degrees of freedom.

The invention belongs to the technical field of low-temperature biology, and discloses deep hypothermia biological sample storing and taking equipment which comprises a low-temperature storage cabinet, a plurality of storage cavities are formed in the low-temperature storage cabinet, the storage cavities are arranged in the thickness direction of the low-temperature storage cabinet and extend to the front face of the low-temperature storage cabinet, and first door bodies are rotationally installed on the side walls of the storage cavities and can seal the storage cavities; sample boxes are slidably installed in the storage cavities in the thickness direction of the low-temperature storage cabinet, the sample boxes are used for containing samples, and a cooling module of a refrigerating system is installed on the back face of the low-temperature storage cabinet and used for stably and safely providing cooling capacity for the multiple storage cavities; the management center is used for controlling the first door body to rotate, controlling the sample box to be pushed out or withdrawn and driving the mechanical arm to take out a target sample in the low-temperature storage cabinet or place the sample in the target sample box by adjusting the position of the mechanical arm, so that automatic and efficient sample storage and taking are achieved.