2075results about "Machines using electric/magnetic effects" patented technology

A refrigeration fan with lateral heat dissipation is provided, including a fan head and a hand-held handle. A conductive sheet is laid on an outer surface of the hand-held handle, a cavity is arranged in the hand-held handle, and a cold-heat generation apparatus is mounted in the cavity. The hand-held handle is provided with an air inlet and an air outlet, a refrigeration end of the cold-heat generation apparatus is connected to the conductive sheet in a heat conduction manner, and a heat dissipation end of the cold-heat generation apparatus communicates with the air outlet.

The invention discloses a multistage fire-fighting and intelligent heat management combined system and method for an energy storage system, a battery cluster is provided with a single fire extinguishing nozzle, a composite detector monitors the state of the battery cluster in real time, and when any battery cluster meets a spraying condition, the fire extinguishing nozzle is triggered to spray a fire extinguishing material; the internal state of the energy storage cabin is monitored in real time through a composite detector, and when the interior of the energy storage cabin meets the spraying condition, a spraying nozzle is automatically started to continuously spray for preset spraying time; according to the centralized liquid cooling unit, a dual-redundancy compressor is combined with an ethylene glycol aqueous solution circulating system to conduct dynamic flow regulation and control, the opening degree of an electromagnetic valve of the dual-redundancy compressor is dynamically adjusted through a composite detector, and the internal temperature of an energy storage cabin is controlled; dynamically distributing flow according to the energy storage time period by adopting an intelligent temperature control algorithm; after the multi-stage fire-fighting module acts, the centralized liquid cooling unit is started for cooling; when the temperature detected by the composite detector exceeds a high-temperature threshold value, the fan is started for air replacement, and the multi-stage fire-fighting module is triggered to act.

The embodiments of the present disclosure involve the technical field of unmanned aerial vehicles, and disclose an unmanned aerial vehicle base station and an unmanned aerial vehicle system. The unmanned aerial vehicle base station includes a bracket, a tarmac, a charging component, and a temperature adjusting component. The bracket is provided with an accommodating cavity, the tarmac separates the accommodating cavity into an upper compartment chamber and a lower compartment chamber, the temperature adjusting component includes a semiconductor module, a first ventilation assembly, a second ventilation assembly, and a third ventilation assembly, and the semiconductor module is partially provided on the first ventilation assembly and partially provided on the second ventilation assembly.

The utility model discloses a handheld semiconductor refrigeration fan, and belongs to the field of handheld fans. Comprising a handle and a fan head, the fan head comprises a main shell, a fan assembly and a semiconductor refrigeration assembly, the main shell is rotationally connected with the handle, and the fan assembly and the semiconductor refrigeration assembly are both installed on the main shell; the semiconductor refrigeration assembly is located in front of the fan assembly, and the front end of the semiconductor refrigeration assembly protrudes out of the main shell. Compared with the prior art, the handheld fan has the advantages that the fan head of the handheld fan is rotationally connected with the handle, so that the blowing angle can be conveniently adjusted, and the handheld fan can be folded to be placed on a tabletop for use and is more convenient to use.

A refrigerator may include a main body forming a storeroom; a thermoelectric element including a heater and a cooler, the cooler configured to cool air inside the storeroom; a fan configured to operate to bring air from outside the main body to the heater to be heated by the heater and exhaust the heated air to outside the main body; a filter configured to filter foreign materials from the air brought from outside the main body to the heater by operation of the fan; and a controller configured to notify that the filter is clogged in response to a rotation speed of the fan being higher than a reference rotation speed.

The present application discloses a dehumidifier, an energy storage cabinet, and an energy storage device. The dehumidifier is adapted to be arranged in a cabinet body of the energy storage cabinet. The dehumidifier comprises a measurement member, a control member, and a dehumidification assembly; the measurement member is adapted to measure the air humidity in the energy storage cabinet; the control member is electrically connected to the measurement member, and when the air humidity measured by the measurement member is greater than or equal to 40% RH, the control member sends a first control instruction; and the dehumidification assembly is electrically connected to the control member and operates on the basis of the first control instruction, so as to condense moisture in the air in the energy storage cabinet. According to the dehumidifier, condensation can be actively induced, thereby reducing potential safety hazards caused by excessive humidity.

The invention discloses an immersed liquid cooling device, which includes a liquid cooling radiator with a first liquid box at one end thereof combined with the open end of a liquid storage box, so that a heat dissipation radiator pipe set at the other end is immersed in the cooling fluid in the liquid storage box. The liquid storage box is externally equipped with a cooling chip and a heat sink. When the cooling chip is energized, the cooling chip will reduce the cooling fluid in the liquid storage box to a freezing temperature, so that the cooling fluid can quickly cool down the working fluid in the heat dissipation radiator pipe set, thereby preventing the heat dissipation radiator pipe set from being affected by the ambient temperature in its heat dissipation efficiency.

The invention discloses a robot parallel liquid cooling circulation system based on magnetic refrigeration. The robot parallel liquid cooling circulation system comprises a plurality of liquid cooling cavities, cold liquid, a magnetic refrigeration device and an air cooling device. The liquid cooling cavities are arranged at the positions of heat sources on the robot respectively and used for cooling the positions of the heat sources, and the liquid cooling cavities are arranged in parallel; the cold liquid is filled in the liquid cooling cavity channel; the magnetic refrigeration device is connected and conducted with the liquid cooling cavity channel and at least cools the cold liquid; and the air cooling device is connected and conducted with the magnetic refrigeration device to discharge heat for the magnetic refrigeration device. According to the liquid cooling circulation system, by additionally arranging the magnetic refrigeration device and the air cooling device, more efficient and lower-temperature cold liquid is provided for the robot, the lower-temperature refrigeration requirement of the robot is met, and normal work of the robot is ensured.

Device for keeping fresh produce conditioned, particularly for fruit, comprising a receptacle with a substantially cup-shaped chamber which is enclosed by a wall and conditioning means, wherein the conditioning means comprise at least a cooling device (35) and at least an air displacing device (55), wherein a cavity (25) comprises at least one air channel (25, 27) which is in open communication with the air displacing device so as to guide the forced airflow at least partially, and wherein an inner wall (21) is provided in the bottom with perforations (28) which maintain an open communication between the chamber and at least one of the at least one air channel.

The invention discloses a robot liquid cooling circulation system based on semiconductor refrigeration, and the system comprises a heat production device which is provided with a liquid cooling cavity channel for cooling liquid to flow; the semiconductor refrigeration module comprises a cooling cavity channel for cooling liquid to flow, the cooling cavity channel is provided with a liquid inlet pipe and a liquid outlet pipe, and the liquid cooling cavity channel is communicated with the liquid inlet pipe and the liquid outlet pipe; the cold end of the semiconductor cooling fin is attached to the outer cavity wall of the cooling cavity channel; the heat dissipation fins are arranged at the hot ends of the semiconductor heat dissipation fins; and the fans are arranged at the air inlet ends and the air outlet ends of the heat dissipation fins. According to the cooling device, circulating flowing and efficient cooling of the cooling liquid can be achieved, so that the heat dissipation effect of the cooling liquid is guaranteed, the heat dissipation requirement of the robot is met, and the working performance is guaranteed.

The present application relates to the technical field of refrigerators and discloses an inner liner assembly, comprising: an inner liner having a refrigerator compartment internally configured; a windshield disposed within the inner liner and enclosing a dehumidification interlayer with a first sidewall of the inner liner, the dehumidification interlayer being in communication with the refrigerator compartment; a thermal insulation layer covering the outer surface of the inner liner and avoiding the first sidewall; a cold source portion at least partially attached to the outer surface of the thermal insulation layer and at least partially attached to the outer surface of the first sidewall, such that the cold source portion provides cooling to the first sidewall; and a semiconductor dehumidification module disposed within the dehumidification interlayer and comprising a cold-end heat sink and a hot-end heat sink. The cold-end heat sink is configured to dehumidify gas flowing from the refrigerator compartment into the dehumidification interlayer; the hot-end heat sink is disposed proximate the first sidewall to dissipate heat from the first sidewall. The inner liner assembly utilizes the first sidewall, which is at a lower temperature, to dissipate heat from the hot-end heat sink, thereby improving the heat dissipation effect of the hot-end heat sink and the dehumidification efficiency of the semiconductor dehumidification module. The present application also discloses a refrigerator.

The invention relates to a vacuum packaged chip atomic clock getter activation device and a use method thereof.The getter activation device is arranged to be of a structure with a heating module on the upper portion and a heat dissipation module on the lower portion, and the heating module and the heat dissipation module are not in contact during use; an inner cavity of an upper groove in the heating module is fully attached to a ceramic sealing cap of the chip atomic clock, the upper groove is heated to the optimal activation temperature of the getter through a PTC heating piece, and then heat preservation is conducted for a period of time, so that it is guaranteed that the getter on the inner wall of the ceramic sealing cap is fully activated; in the activation process, the semiconductor cooler and the water cooling plate in the heat dissipation module are started at the same time, the double heat dissipation structure effectively ensures that the In0. 97Ag0. 03 welding ring located in the lower groove is not melted due to overheating, and therefore the long-term stability of the vacuum degree of the chip atomic clock vacuum packaging cavity is guaranteed. The getter activating device has the advantages of being high in heating speed, good in heat dissipation effect, simple in design, convenient to operate, capable of saving cost and the like.

The invention discloses a robot series liquid cooling circulation system based on magnetic refrigeration. The system comprises a plurality of liquid cooling cavity channels, a magnetic refrigeration device, an air cooling device and cold liquid; the liquid cooling cavities are arranged at the positions of heat sources on the robot and used for cooling the positions of the heat sources, and at least part of the liquid cooling cavities are arranged in series; the cold liquid is filled in the liquid cooling cavity channel; the magnetic refrigeration device is connected and conducted with the liquid cooling cavity channel and at least cools the cold liquid; and the air cooling device is connected and conducted with the magnetic refrigeration device to discharge heat for the magnetic refrigeration device. According to the liquid cooling circulation system, part of the liquid cooling cavities are connected in series, so that a liquid cooling network is relatively simple, fewer liquid pumps are adopted, and the cost is low.

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.

The invention relates to a novel quick-response plate heat exchanger based on a blade type phase change composite material, and aims to solve the problems that a refrigerating system of existing high-power equipment is large in size, too large in weight, low in response speed and low in efficiency. Therefore, the novel fast-response efficient plate heat exchanger is obtained. Compared with a traditional heat exchanger system, the weight of the novel quick-response plate heat exchanger is reduced by more than 91%, the response time is short, and the novel quick-response plate heat exchanger can be popularized and applied to any high-power equipment as an independent integral heat exchange system.

The invention relates to the technical field of range hood cleaning, and discloses a steam washing device and a range hood, and the steam washing device comprises a steam generator and a water production module. The steam generator is provided with a steam cavity and a water inlet communicated with the steam cavity, and the steam generator is used for heating the cleaning medium in the steam cavity to generate steam. The water production module is connected with the steam generator, the water production module comprises a refrigeration sheet and a condensation fin, the condensation fin is connected to the refrigeration sheet, and at least part of the condensation fin extends to the water inlet. Wherein the refrigeration sheet is used for providing cooling capacity and conducting the cooling capacity to the condensation fin, and the condensation fin is used for condensing water vapor in air to form condensed water and guiding the condensed water to flow to the water inlet so as to enter the steam cavity to supplement the cleaning medium. According to the technical scheme, automatic water supplementing without a water pump and a water tank can be achieved, condensate water is formed by condensing water vapor in air to supplement the cleaning medium, and continuous operation of the steam washing function is stably guaranteed.

A portable container includes a cooling unit with a vessel and a base. A thermal cover can cover the vessel to insulate a chamber in the vessel that holds one or more goods. The vessel has a cavity filled with a phase change material or thermal mass, and thermally conductive plate(s) extending within the cavity and in thermal contact with the phase change material or thermal mass. The base is attached to the vessel and houses thermoelectric module(s) in thermal contact with the thermally conductive plate(s), a heat sink in thermal contact with the thermoelectric module(s), a fan operable to flow the air past the heat sink, and circuitry that operates the thermoelectric module(s) and fan. The thermoelectric modules are operable to charge the phase change material or thermal mass, the charged phase change material or thermal mass (once charged) configured to passively cool or heat the chamber.

A refrigerated pet feeder that stores multiple portions of perishable food, cooled by a cooled plate. The cooled plate comprises a cutout so that the portion of perishable food currently offered can warm up to ambient temperature. In an embodiment, a heating element under the currently offered portion of food can warm it up to ambient or above-ambient temperature as needed by the pet.

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.

According to the mass concrete temperature field self-adaptive thermoelectric coordinated regulation and control system and method, the temperature difference between the inside and the outside of mass concrete is reduced through active directional heat transfer and self-adaptive thermal resistance regulation. The flexible thermoelectric thin film device prepared by the invention has high flexibility, high thermoelectric efficiency and strong environmental adaptability, and can meet the temperature control requirement of mass concrete, and the manufacturing process is compatible with the existing microelectronic processing technology, so that the flexible thermoelectric thin film device has large-scale production potential; the flexible thermoelectric device is attached to the surface of concrete, directional transmission of heat between the concrete and the thermoelectric module from a high-temperature area to a low-temperature area is achieved by switching the current direction through the Peltier effect, temperature balance is achieved completely through the active thermoelectric effect and passive heat conduction optimization, the temperature lag and durability defects of a phase change material are avoided, and the service life of the concrete is prolonged. And the heat transfer efficiency is improved through the heat conductivity coefficient gradient and the thermally induced variation characteristic of the gradient heat conduction interface material layer.

The invention relates to the technical field of wireless charging temperature control, in particular to a self-adaptive intelligent temperature control method and a refrigeration wireless charger. According to the method, the inherent heating tendency of the mobile equipment is quantified through the charging initial data, the heating index is obtained, the basic temperature threshold interval is obtained according to the heating index, and the charging environment data is introduced to intervene in the obtaining of the personalized temperature threshold in real time; the method solves the problem of unreasonable threshold setting caused by the difference of batteries of new and old equipment and the difference of heating characteristics of different models, then, by capturing charging process data of mobile equipment and combining threshold judgment, early warning and refrigeration triggering can be carried out in the early stage of abnormity, and the charging efficiency of the mobile equipment is improved. The emergency degree of the current refrigeration demand can be accurately described by analyzing the temperature control demand intensity value calculated by the charging process data, and the accurate temperature control adjustment parameters are dynamically generated in combination with the preset control parameter group of the refrigeration wireless charger, so that the charging and refrigeration assembly is directly controlled, and the temperature control response speed is favorably improved.

A refrigerator may include: a main body defining a storage chamber; a door configured to open and close the storage chamber; a refrigeration cycle device including a compressor and an evaporator and operable to cool the storage chamber; a thermoelectric element operable to cool the storage chamber; at least one sensor configured to produce sensor data associated with the refrigerator; and at least one processor configured to: operate the compressor to perform a refrigeration cycle based on a cooling condition being satisfied, start a cooling mode based on a defined condition associated with a time that the door is open being satisfied, and based on the cooling mode being started, obtain a predicted temperature value of the storage chamber from a temperature prediction model based on the sensor data produced by the at least one sensor, and operate the thermoelectric element to cool the storage chamber based on a difference between the predicted temperature value obtained from the temperature prediction model and a target temperature value being greater than a defined value.

The invention relates to a semiconductor refrigeration module with a cold storage function and a control method. The technical problem that when an existing vehicle-mounted refrigerator operates independently, a compressor of a whole vehicle needs to be kept running at a low rotating speed for a long time is solved. Comprising a semiconductor chilling plate, a cold end heat exchange assembly is arranged on one side of the cold face of the semiconductor chilling plate, a plate heat exchanger is arranged on one side of the hot face of the semiconductor chilling plate, a cold storage heat exchanger and a phase change material packaging box are arranged on one side of the plate heat exchanger, and the phase change material packaging box is filled with a low-temperature phase change material. The plate heat exchanger and / or the phase change material packaging box are / is connected with a refrigerant circulation mechanism connected with a whole vehicle compressor refrigerating system. The refrigeration system has the advantages that when the whole vehicle compressor refrigeration system works, the low-temperature phase-change material is used for quickly storing cold energy, and the low-temperature phase-change material can be used for dissipating heat for the hot surface of the semiconductor refrigeration sheet after the whole vehicle compressor refrigeration system stops working, so that long-time low-speed operation of the whole vehicle compressor is avoided, and the service life of the whole vehicle compressor can be effectively prolonged.

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.

The invention discloses a full-automatic condensation water collection system and method in desert, and the system comprises an environment pretreatment layer: a bionic honeycomb filter screen is combined with an electrostatic adsorption technology to filter sand and dust, a spiral pre-cooling channel is used for pre-cooling, and back flushing cleaning is automatically started every 2 hours to maintain the performance of the filter screen; in the energy supply layer, the optimal combination of photovoltaic-wind energy-heat energy three-mode power generation is dynamically calculated through an AI algorithm; photovoltaic power supply is preferentially used in the daytime, and residual energy is stored in the nitrate phase change energy storage material; wind power generation is started when the wind speed is high at night, and phase-change energy storage is used for complementing when the wind speed is insufficient; condensing the core layer: when the environment humidity is relatively high, the modified MOF material preferentially adsorbs water vapor, and switching to a condensation mode every 4 hours; the thermoelectric refrigeration sheet is started to trigger phase change condensation; the intelligent control layer is used for collecting data through a sensor, predicting future environmental parameters through an LSTM neural network and adjusting condensation power in advance; and fault early warning is carried out by combining vibration analysis and temperature gradient detection.

The invention relates to the technical field of heat insulation and demagnetization refrigeration, in particular to a heat insulation and demagnetization refrigeration material and a preparation method and application thereof. Wherein the heat insulation and demagnetization refrigeration material is an Eu2ZnGe2OS6 crystal. The heat insulation demagnetization refrigeration material is an Eu2ZnGe2OS6 crystal and has relatively small magnetic anisotropy, and a long-range magnetic orderliness phenomenon is not observed at 1.8 K or above. Compared with an existing traditional magnetic refrigeration material, when the magnetic field is adiabatically reduced from 7T to 0T, the material shows the maximum negative magnetic entropy difference as high as 43.11 J * kg <-1 > * K <-1 >, and has a wide development prospect in adiabatic demagnetizing refrigeration application in a 2-16K temperature zone and a sub-Kelvin temperature zone.

The application provides a single magnetic field operated high-efficiency regenerative full solid-state magnetic refrigeration device, which comprises at least one refrigeration unit, and the refrigeration unit comprises parallel arranged refrigeration layers and regenerative layers, wherein the refrigeration layer comprises a plurality of refrigeration pieces which are embedded in a first heat insulation material at intervals; the regenerative layer comprises a plurality of regenerative pieces which are embedded in a second heat insulation material, wherein refrigeration piece / regenerative piece=1, and the refrigeration unit is arranged so that the refrigeration layer and the regenerative layer make reciprocating translational motion respectively during operation, and the refrigeration pieces and the regenerative pieces have heat conduction therebetween. The magnetic refrigeration device of the application can operate under a single simple continuous magnetic field, the requirement for magnets is reduced, the device is more economical and environmentally friendly, and the device uses a plurality of regenerative pieces, the plurality of regenerative pieces simultaneously perform heat conduction at two motion terminals of cold and hot ends, the regenerative efficiency is greatly improved, and thus the regenerative factor and the refrigeration power density are improved.

The utility model relates to the field of batteries, and discloses a battery in-situ test sample cell, which comprises a first shell and a second shell, a first accommodating cavity with one closed end is arranged in the first shell, the first accommodating cavity is used for accommodating a sample to be tested, and the second shell covers the first shell so that the other end of the first accommodating cavity is closed. The top of the second shell is provided with an observation window, the observation window can observe the to-be-tested sample in the first containing cavity through the observation channel, an annular second containing cavity is formed outside the first containing cavity, and a semiconductor temperature control chip is installed in the second containing cavity. The device can be combined with synchrotron radiation analysis and gas product detection, has a lateral visual observation function, is reasonable in whole structural design and high in compatibility, can stably operate in a temperature range of-20 DEG C to 70 DEG C, and is adaptive to various in-situ characterization platforms.