1815results about "Refrigeration devices" patented technology

The invention discloses an ocean temperature difference coupled offshore constant-pressure compressed carbon dioxide energy storage system and method, and relates to the technical field of compressed gas energy storage. The system comprises a working medium constant-pressure storage device, a carbon dioxide energy storage circulation loop, a carbon dioxide energy release circulation loop and a heat storage circulation loop. Gaseous carbon dioxide is condensed into a liquid state by utilizing deep sea low-temperature seawater in an energy storage stage, liquid carbon dioxide is evaporated into a gaseous state by utilizing shallow sea high-temperature seawater in an energy release stage, and gas-liquid conversion of carbon dioxide is realized by fully utilizing ocean new energy and ocean temperature difference; the flexible working medium constant-pressure storage device is used for storing low-pressure gaseous carbon dioxide and high-pressure liquid carbon dioxide, the constant pressure of the working medium constant-pressure storage device in the charging and discharging process can be guaranteed, and efficient and stable operation of the system is achieved. Efficient liquefaction and high-density storage of high-pressure carbon dioxide are achieved through the ocean temperature difference and seawater static pressure, the efficiency and energy density of the energy storage system are improved, and deep development of offshore resources is achieved.

Disclosed in the present invention are a method for manufacturing a high specific surface area anode string, and an ECO reactor, relating to the technical field of ECO reactors, comprising a string body and cleaning assemblies, a limiting wheel being disposed at an outer middle part of the rope body, and the cleaning assemblies being disposed at left and right ends of the string body. The present invention utilizes an anode string to replace the traditional anode plate, and due to the fluffy three-dimensional structure of the anode rope providing a relatively high specific surface area for the loading of an anodic catalytic coating, in a cross-section of the same width, the fluffy three-dimensional structure of the anode rope has a larger effective reaction surface area than a conventional anode plate, thereby achieving the purposes of improving reaction catalysis efficiency and reducing the cost of the ECO reactor. An original descaling apparatus can periodically clean the surface of the anode rope, achieving the purpose of increasing anodic reaction sites, promoting reaction catalysis efficiency, and extending the service life of the electrocatalytic oxidation reactor.

A cryogenic cooling system is provided comprising a cryogenic refrigerator assembly and two or more connected modules. The cryogenic refrigerator assembly comprises one or more cryogenic refrigerators. Each said connected module comprises: a housing defining an internal volume for the module, the housing having a plurality of side faces, and a plurality of stages arranged within the internal volume for the module, wherein one or more of the plurality of stages is thermally coupled to the cryogenic refrigerator assembly. The two or more said modules are mutually connected at respective side faces, and a first said stage of a first said module is thermally coupled to a first said stage of a second said module.

A refrigerator including a main body; a storage room inside the main body; a thermoelectric module including a module plate including an element mounting portion, a heat dissipation sink on a first side of the module plate, a cooling sink on a second side of the module plate, and a thermoelectric element positioned in the element mounting portion such that a first surface of the thermoelectric element contacts the heat dissipation sink and a second surface of the thermoelectric element contacts the cooling sink; and a coupling member penetrating the module plate of the thermoelectric module to couple the thermoelectric module to an upper surface of the main body.

A refrigerator may include: a body, a storage compartment inside the body, a thermoelectric module on an upper portion of the storage compartment and including: a thermoelectric element including: a heating and a cooling portion, a dissipating and a cooling sink in contact with the heating and cooling portion, respectively; a heat dissipation (HD) fan configured to generate an airflow, a HD duct having an inlet and outlet, the HD duct on an upper surface of the body and configured to guide the airflow through the inlet to the dissipating sink to exchange heat with the dissipating sink, and then out the outlet; and a dust filter mountable on the inlet and configured so that, with the dust filter mounted on the inlet and the HD fan generating the airflow, the dust filter prevents foreign substances in the airflow from entering inside the HD duct through the air inlet.

The utility model discloses a multifunctional reaction kettle for ivabradine production, and relates to the technical field of pharmaceutical machinery, the multifunctional reaction kettle comprises a support frame, a reaction kettle body, a pressure control mechanism, a stirring mechanism and a temperature control mechanism, the temperature control mechanism comprises a temperature sensor, an electric heating coil, a cooling pipeline and refrigeration equipment, and the inner wall of the reaction kettle body is provided with a liquid storage cavity; the temperature sensor, the electric heating coil and the cooling pipeline are all fixedly arranged in the liquid storage cavity, heat conduction oil is arranged in the liquid storage cavity, the cooling pipeline penetrates through the reaction kettle body to be communicated with the refrigeration equipment, and through cooperation of the temperature sensor, the electric heating coil, the cooling pipeline and the refrigeration equipment, accurate control over the temperature in the reaction kettle can be achieved. No matter whether the temperature needs to be increased, decreased or maintained at a constant temperature, quick response can be achieved, the set requirements can be met, and the special requirements of different chemical reactions on the temperature in the ivabradine production process are met.

The utility model discloses an efficient cooling-water machine which comprises a machine shell, and an installation cavity is formed in the machine shell. The water tank is provided with a water return connector and a water outlet connector. The heat exchanger is provided with a first heat exchange pipe and a second heat exchange pipe, one end of the first heat exchange pipe is communicated with the water return connector, and the other end of the first heat exchange pipe is communicated with a pipeline of external equipment; the refrigeration assembly comprises a compressor, a condenser, a drying filter and a capillary tube, an outlet of the compressor communicates with an inlet of the condenser, an outlet of the condenser communicates with an inlet of the drying filter, an outlet of the drying filter communicates with one end of the capillary tube, and the other end of the capillary tube communicates with one end of the second heat exchange tube. The other end of the second heat exchange pipe communicates with an inlet of the compressor. Heat exchange between water in the water tank and a refrigerant is achieved through the first heat exchange pipe and the second heat exchange pipe of the heat exchanger, cooling is conducted through cold water in the water tank, and the cooling amount and the cooling efficiency are improved.

Systems and techniques that facilitate scalable cryostats and cryogenic systems are provided. In an embodiment, a cryogenic system can comprise a plurality of unit cells joined together, wherein each unit cell comprises: a trapezoidal-shaped frame, wherein frames from adjacent unit cells are connected in a vacuum-tight manner to form a continuous, global vacuum enclosure, and wherein the unit cells are capable of being horizontally removed from or inserted into the plurality of joined unit cells. Furthermore, each unit cell can comprise at least one temperature shell, wherein temperature shells from adjacent unit cells are connected to form a continuous, global temperature shell. Moreover, each unit cell can comprise at least one cryogenic payload located within the at least one temperature shell, that is cooled by at least one retrofitted version of a standard dilution refrigerator.

The invention relates to the technical field of metal wire drawing machines, in particular to a metal wire drawing machine energy-saving cooling liquid circulating device which comprises a supporting part, a wire drawing module mounting part is arranged on the upper side of the supporting part, a spraying part is arranged on the upper side of the supporting part and located above the wire drawing module mounting part, and a cooling liquid heat exchange circulating part is arranged on the lower side of the supporting part. The cooling liquid heat exchange circulating part comprises a heat flow filtering assembly, a heat flow heat exchange assembly and a cold flow preparation assembly, the heat flow filtering assembly is arranged on the lower side of the supporting part, the heat flow heat exchange assembly is arranged on the lower side of the heat flow filtering assembly, and a linkage driving part is arranged between the spraying part and the cooling liquid heat exchange circulating part; according to the cooling system, the overall structure optimization and energy-saving effects are achieved, the modular design is adopted, the cooling spraying function, the filtering function, the heat exchange function and the refrigeration regeneration function are integrated, a closed-loop cooling system is formed, cooling liquid consumption is remarkably reduced, and the operation cost is reduced.

The invention discloses a multi-stage countercurrent gradient cold accumulation type heat exchange system, a control method thereof and a beverage dispenser. The system comprises at least two cold storage units connected in series, a cold exchange pipeline and a heat exchange pipeline. The cold exchange pipeline is an evaporator part of the refrigerating circuit, is sequentially connected in series and flows through the cold storage units, and exchanges cold energy to the cold storage medium. The heat exchange pipeline sequentially penetrates through all the cold storage units, and the fluid to be cooled circulates and exchanges heat with the cold storage medium. The flowing direction of fluid in the heat exchange pipeline is opposite to the flowing direction of refrigerant in the cold exchange pipeline, during continuous output, the temperature of the front-order cold storage unit is lower than that of the rear-order cold storage unit, and a temperature gradient used for countercurrent flow heat exchange is formed and maintained. The volume of the preorder cold storage unit is smaller than or equal to that of the subsequent unit, the volume of the first unit is configured according to single-cup refrigeration requirements, and quick starting is achieved; the volume of a subsequent unit is large and serves as gradient cold accumulation buffering, and the constant temperature of continuous cup discharging is guaranteed. The problems that a traditional beverage dispenser is slow in starting and unstable in continuous cup discharging temperature are solved.

The invention discloses an intelligent control method for an industrial circulating cooling water system and a regulator, the industrial circulating cooling water system comprises a cooling tower, a main water pump, a tail end valve and production equipment, and the intelligent control method comprises the following steps: S1, obtaining the water distribution pressure of the cooling tower; s2, the outlet temperature of a cooled medium of the production equipment is obtained; s3, the opening degree of a tail end valve is controlled according to the outlet temperature of the cooled medium; s4, a tail end flow alarm signal is obtained according to the outlet temperature of the cooled medium and the opening degree of a tail end valve; and S5, controlling the operation frequency of the main water pump according to the water distribution pressure of the cooling tower and the tail end flow alarm signal. Automatic adjustment of the main water pump and the tail end valve is achieved, under the condition that actual requirements are met, unnecessary energy loss is reduced, the production cost is reduced, and the energy efficiency of the industrial circulating cooling water system is remarkably improved.

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.

A refrigerator may include: a storage compartment; a cooling sink (CS); a thermoelectric element including a cooling layer contacting the CS, the thermoelectric element configured to, based on a voltage pulse applied to the thermoelectric element, cool the cooling layer and thereby cool the CS; a fan controllable to generate an airflow to be cooled by the CS; a cooling duct covering the CS and fan, and configured to guide the airflow from the storage compartment to the CS and to accommodate defrost water generated by water, frozen by the CS, being defrosted; a temperature sensor to detect a temperature of the CS; and a processor configured to: control the cooling fan to evaporate the defrost water, and perform an anti-freezing control so that the defrost water does not freeze, the anti-freezing control including adjusting a duty ratio of the voltage pulse based on the detected temperature of the CS.

A refrigerator includes a main body including at least one storage chamber, doors provided to open or close the at least one storage chamber, a thermoelectric module for cooling down the at least one storage chamber, and at least one processor configured to control the thermoelectric module, where the thermoelectric module includes internal elements classified into a plurality of groups, the internal elements in each of the plurality of groups are connected to each other in series, and the plurality of groups are connected in parallel with each other to a power line connected to the thermoelectric module.

A fluid management system (1) for conditioning a coolant (2) in a coolant circuit (3) of an immersion-cooled battery system (4), includes a pump (5), at least one temperature control element (6, 7), at least one filter element (8, 9), a dehumidifying element (10), and a housing (11) in which the pump (5), the at least one temperature control element (6, 7), the at least one filter element (8, 9) and the dehumidifying element (10) are arranged, the housing (11) including a coolant inlet (12) configured to receive the coolant (2) to be conditioned, a coolant outlet (13) configured to output the conditioned coolant (2), and a coolant path (14) configured to conduct the coolant (2) through the housing (11) in a flow direction D from the coolant inlet (12) to the coolant outlet (13).

The present invention relates to the field of agricultural product preservation technology, which discloses a flexible air duct precision temperature control system and its control method. The temperature control system refrigeration component includes a flexible air duct component connected to the top of a cold storage through an air cooler, the flexible air duct component includes a flexible air duct, and a plurality of cold storage plates are arranged in different areas in the flexible air duct; a sensor component is used to collect temperature signals and pressure difference signals in the cold storage and the refrigeration component; a controller controls the refrigeration component to process the cold storage plates in three working modes: refrigeration, cold storage and defrosting, and improves the temperature uniformity of the cold storage through the flexible air duct component and the cold storage plates, and reduces the temperature fluctuation in the cold storage during defrosting. The present invention uses flexible air ducts and cold storage plates to improve the temperature uniformity of the cold storage; adopts two exchangers, the air cooler and the cold storage plate, and controls the cold capacity in the cold storage plates when the refrigeration equipment defrosts, so as to significantly reduce the temperature fluctuation in the storage during defrosting.

A refrigerator including a main body including a storage compartment; a first cooler configured to cool the storage compartment, and including a thermoelectric element, a heat dissipation fan, and a cooling fan; a second cooler configured to cool the storage compartment, and including a compressor, and an evaporator fan; and at least one processor configured to, based on a failure in the first cooler, increase an operating speed of the compressor and the evaporator fan of the second cooler.

The disclosure describes various aspects of a vibrationally isolated cryogenic shield for local high-quality vacuum. More specifically, the disclosure describes a cryogenic vacuum system replicated in a small volume in a mostly room temperature ultra-high vacuum (UHV) system by capping the volume with a suspended cryogenic cold finger coated with a high surface area sorption material to produce a localized extreme high vacuum (XHV) or near-XHV region. The system is designed to ensure that all paths from outgassing materials to the control volume, including multiple bounce paths off other warm surfaces, require at least one bounce off of the high surface area sorption material on the cold finger. The outgassing materials can therefore be pumped before reaching the control volume. To minimize vibrations, the cold finger is only loosely, mechanically connected to the rest of the chamber, and the isolated along with the cryogenic system via soft vacuum bellows.

A refrigerator may include a main body; a storage compartment inside the main body; a thermoelectric module (TM) configured to cool the compartment and including: a thermoelectric element (TE) including a heating portion (HP) and a heat absorbing portion (HAP), a heat dissipation sink (HDS); and a blocking portion configured to block a current from being supplied to the thermoelectric element based on a temperature of the heat dissipation sink exceeding a predetermined temperature.

The invention provides a refrigerating system, a control method and device thereof, equipment and a storage medium, belongs to the technical field of refrigerating control, and solves the problems that operation parameters of the refrigerating system cannot be accurately controlled and energy consumption is high. The control method comprises the steps that the mass of articles stored in a compartment of the refrigeration equipment, the temperature in the compartment and the temperature of the environment where the refrigeration equipment is located currently are obtained; the optimal operation frequency of a compressor is determined according to the article mass and the temperature in the compartment; and the optimal opening degree of the electronic expansion valve is determined according to the optimal operation frequency and the environment temperature, so that the operation parameters of the refrigeration system can be more accurately controlled, and the energy consumption is reduced.

The invention belongs to the technical field of refrigeration control of refrigeration houses, and provides an energy-saving method and device for ice slurry storage circulation in a refrigeration house and a medium, and the method comprises the following steps: monitoring operation parameters of the refrigeration house in real time, and obtaining and analyzing data to predict a cold load demand; in a low-ebb electricity price period, refrigerating parameters are automatically adjusted according to cold load prediction and cold storage tank reserves, and ice making is implemented; when the temperature of the refrigeration house is close to a set threshold value, energy-saving regulation and control are performed in combination with a prediction result According to the cold load and reserve conditions, different working condition stages of the refrigeration house are determined, and finally a circulation regulation and control result is generated based on the flow-state ice circulation requirement; according to the method, through cold load prediction and accurate regulation and control according to different working conditions, invalid operation and excessive refrigeration of refrigeration equipment are avoided, energy consumption is effectively reduced, ice making and cold storage are achieved through the low-ebb electricity price, electric energy is reasonably utilized, and the electricity utilization cost is reduced.

A refrigerator includes a first storage compartment, a heat source, a cold source, a water molecule freezing preventing device, and a controller configured to perform a first operation based on a first notch temperature for a first cooling operation, a second operation based on a second notch temperature for a heating operation, and a third operation based on a third notch temperature for a second cooling operation. The second notch temperature is higher than 0° C., and the third notch temperature is higher than the first notch temperature. Accordingly, it may be possible to efficiently supply the cold or heat until reaching a supercooling maintenance section.

A refrigerator including a thermoelectric module that includes a module plate having an opening, a first heat sink, a second heat sink, a thermoelectric element to be disposed in the opening so that one surface of the thermoelectric element contacts the first heat sink and another surface of the thermoelectric element, opposite the one surface, contacts the second heat sink, a fastening member that is configured to couple the first heat sink and the second heat sink to the module plate by being passed through the first heat sink, the module plate, and the second heat sink, having a head portion and a connecting portion having a diameter smaller than the head portion, a washer member supported between the head portion and the first heat sink, and a nut member to which the connecting portion is fastened and that is supported by the second heat sink.

The invention provides an integrated intelligent cooking system and a mechanical arm path planning method applying the same, and belongs to the technical field of cooking equipment.The integrated intelligent cooking system comprises an intelligent cooking rack assembly, a display screen is arranged at the front end of the intelligent cooking rack assembly, and at least two mechanical arms are slidably connected to the inner top of the intelligent cooking rack assembly; a cooking platform is arranged in the middle of the intelligent cooking rack assembly, a cooker rack is arranged on one side of the intelligent cooking rack assembly, and a cleaning system is arranged in the intelligent cooking rack assembly; the cooker is arranged on the cooker rack; the cooking part is arranged on the cooking platform, and the cooking part and the mechanical arm are arranged in a spaced mode; the conveying trolley is arranged at the inner bottom of the intelligent cooking rack assembly, and the conveying trolley and the mechanical arm are arranged in a spaced mode through the cooking platform; the drying and ventilating system is arranged in the intelligent cooking rack assembly, and the drying and ventilating system is used for discharging oil smoke and drying the cooking utensils, the cooking platform and the cooking parts.

Two articles, such as a cooler and an article of drinkware, are magnetically coupled to each other by interaction of a magnet disposed in a patch, which is adhesively bonded to the cooler, and a ferrous metal element disposed in the article of drinkware. The patch includes shell made of plastic material, and an adhesive layer is activated by removing a peel and stick sheet. Two patches can be provided, one with a magnet and one with a ferrous metal element, in situations where both the cooler and the drinkware are without magnetic elements.

The invention relates to a low-temperature circulating water cooling control method and device, and the method comprises the following steps: pumping cooling tower water to a water plate type heat exchange unit through a primary side water pump, and collecting the temperature of a water outlet pipeline of the water plate type heat exchange unit to obtain water outlet temperature characteristic parameters; performing flow detection on an outlet pipeline of the secondary side water pump through a flow sensor to obtain operation parameters of the secondary side water pump; based on the outlet water temperature characteristic parameters and the secondary side water pump operation parameters, rotating speed linkage adjustment is conducted on a primary side water pump, and a primary side water pump rotating speed control quantity is obtained; thermodynamic analysis is conducted on the heat exchange process of the water-water plate type heat exchanger unit based on the primary side water pump rotating speed control quantity, and heat exchange efficiency parameters are obtained; and through a multivariable PID controller, the side water flow of the primary side water pump is controlled based on the heat exchange efficiency parameter and the secondary side water pump operation parameter, and the technical problem that dynamic balance between the primary side water flow speed and the secondary side target water supply temperature is extremely prone to being broken is solved.

The invention discloses cold drink equipment which comprises a shell assembly, a refrigeration assembly, a feeding assembly and an electric control assembly, the refrigeration assembly, the feeding assembly and the electric control assembly are arranged in the shell assembly, the shell assembly comprises a first vertical frame, the refrigeration assembly comprises a compressor, a condenser and an evaporator, a containing cavity is formed in the shell assembly, the compressor is arranged in the containing cavity, and the feeding assembly is arranged in the containing cavity. The evaporator is arranged on the first vertical frame, a feeding installation cavity is formed in the first vertical frame, the feeding assembly and the evaporator are arranged in the feeding installation cavity, the feeding installation cavity is isolated in the containing cavity in a sealed mode, an electric control installation area is arranged in the containing cavity, the electric control assembly is arranged in the electric control installation area, and the electric control assembly is arranged in the electric control installation area. The first vertical frame comprises a first side plate, a rear surrounding plate and a second side plate, and the first side plate, the rear surrounding plate and the second side plate define the feeding mounting cavity. By the adoption of the device, the evaporator, the feeding assembly, the electric control assembly and other components can be sealed and isolated, the waterproof performance is improved, the leakage risk is reduced, and a user can directly clean with water flow conveniently.

A fresh food preservation equipment is provided, includes a preservation box formed with a cavity therein, an atomization device configured for outputting water mist to the plasma activated droplet generating device, a plasma activated droplet generating device configured for ionizing the water mist output from the atomization device and feeding a resultant activated mist into the cavity, a refrigeration device configured for reducing temperature inside the cavity, a sensing system includes an oxygen sensor, a humidity sensor, and a temperature sensor for monitoring oxygen concentration, temperature and humidity in the cavity, respectively, and a control unit. Compared with the prior art, the fresh food preservation equipment in the present disclosure achieves the effects of keeping moisture and reducing the respiration intensity of fruits and vegetables while keeping fresh, and the quality of fresh food is effectively ensured, so that the shelf life is prolonged.

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 modular refrigerator including a main cabinet, and a sub-cabinet selectively coupleable to a right side, an upper side, and a left side, of the main cabinet. The main cabinet includes a cooling unit, a first connection duct for cold air generated by the cooling unit to flow toward the right side, a second connection duct for the cold air to flow toward the upper side, and a third connection duct for the cold air to flow toward the left side. The sub-cabinet includes a first branch duct that, when the sub-cabinet is coupled to the right side, communicates with the first connection duct, a second branch duct that, when the sub-cabinet is coupled to the upper side, communicates with the second connection duct, and a third branch duct that, when the sub-cabinet is coupled to the left side, communicates with third connection duct.