513 results about "Active cooling" patented technology

The invention discloses a lithium battery thermal runaway control and safety response strategy system, which realizes the real-time monitoring and prediction of the internal temperature and voltage state of a battery through thermal-electric coupling modeling and multi-sensing data fusion, and realizes the real-time monitoring and prediction of the internal temperature and voltage state of the battery based on a model prediction control and threshold enhancement strategy. And triggering graded safety response in the early stage of thermal runaway. The system adopts a multi-stage response mechanism including measures of primary early warning, active cooling intervention, emergency power-off fire extinguishing and the like, a gas suppression path and cooling mode switching function is designed, and heat diffusion and spreading and toxic gas harm are effectively suppressed. Compared with a method depending on complex digital twinning or deep learning, the method is simple in structure, rapid in response and low in data dependence, has good system stability and engineering applicability, and can be widely applied to the field of lithium battery safety management of electric vehicle battery packs, energy storage power stations and the like.

The application provides a new energy heavy truck battery pack, a thermal management unit and a method, belongs to the technical field of new energy batteries, and is used for solving the technical problem that the existing thermal management system can only perform thermal management on the whole battery and cannot perform balanced thermal management according to temperature differences of each module. Cooling outlet pipes of the module heat exchange plates are connected with battery cooling medium outlet pipes through active cooling medium distributors, the active cooling medium distributor comprises a shell, a communication mechanism and an active adjusting mechanism, each communication mechanism is arranged in parallel in the shell and communicates the battery cooling medium outlet pipe and the module cooling medium outlet pipes of each heat exchange plate; the active adjusting mechanism is movably arranged in the shell, the moving direction is consistent with the distribution direction of the communication mechanism, the active adjusting mechanism can be moved to the position of each communication mechanism and adjust the effective flow cross section of the corresponding communication mechanism. The technical effect of realizing temperature balanced regulation and control among modules, improving the charging and discharging performance of the battery pack and prolonging the overall service life is achieved.

The invention relates to the technical field of lamp body cooling, in particular to a cooling structure for a lamp body, which comprises a front heat dissipation high light transmission assembly, a supply assembly and heat dissipation fins which are arranged on the lamp body in a covering manner, a containing cavity is formed in the front heat dissipation high-light-transmittance assembly and connected with the supply assembly through a pipeline, liquid or gas cooling media can flow through the containing cavity, and the front heat dissipation high-light-transmittance assembly is provided with a temperature sensor. And a cavity for mounting the lamp body is defined by the radiating fins and the side cover plates. The high-power portable lamp can effectively solve the problem of burn caused by skin contact or approaching due to too high temperature, can also avoid the problem that the service life of the lamp is shortened or damaged due to too high temperature rise, and realizes cooperative work of efficient active cooling and passive heat dissipation.

The invention relates to the technical field of boiler flue gas dust removal and denitration, in particular to a boiler flue gas dust removal and denitration system which comprises a vertical inertial dust removal mechanism for guiding discharged flue gas and intercepting dust. The high-temperature dust remover is used for carrying out fine dust removal on the flue gas discharged by the vertical inertial dust removal mechanism; and the denitration device is used for carrying out denitration treatment on the flue gas subjected to dust removal and purification. Through self-adaptive mechanical linkage of the spindle air plug and the shutter mechanism, synchronous optimization of smoke flow velocity compensation and collision angle under the full-load working condition is realized, and the low-load dust removal efficiency is ensured not to be reduced; and in cooperation with spiral self-rotating cleaning and active cooling protection, the operation stability and the service life of the device in a high-temperature and high-dust environment are improved.

The invention discloses a high-power and frequency-adjustable gyrotron loading test system for nuclear fusion, which relates to the technical field of nuclear fusion and comprises a 2-megawatt coaxial gyrotron with adjustable frequency of 170 / 240GHz and a loading test platform. The loading test platform comprises a gyrotron part loading system, a strong magnet system, a vacuumizing system, a power supply system, a load system, a cooling system, a monitoring and diagnosing system and a control system. The component loading system is used for precise assembly; the strong magnet system provides an adjustable strong magnetic field; the vacuumizing system maintains ultrahigh vacuum; the power supply system comprises a cathode power supply and a body power supply, and the body power supply is used as a high-voltage amplifier to realize 10kHz rapid power modulation; the cooling system provides independent active cooling; the load system simulates a real load; comprehensive detection of the monitoring and diagnosis system; and the control system realizes coordinated control and rapid protection. According to the invention, a complete solution is provided for development, test, operation and maintenance of the 2-megawatt-level and frequency-adjustable gyrotron.

The arrangement comprises a projection system (22) for microlithography and a wall element (28) for thermally shielding the projection system (22) from an illumination system (10). The projection system (22) has an object field that can be illuminated by the illumination system (10) and optical elements (M1-M6) for imaging the object field onto an image plane (21). The wall element (28) also includes a passive shielding surface element (30) arranged in a transition region between a last beam section (41) of the illumination system (10) and a first beam section (42) of the projection system (22). According to the invention, the arrangement further comprises an active cooling element (31) positioned in the transition region, with a cooling surface (32) that extends at least partially along a surface area of ​​the passive shielding surface element (30).The active cooling element positioned in the transition area can significantly reduce the rate of change of the heat flow from the lighting system to the projection system.

The invention discloses an active city cooling method based on a three-dimensional city form and a circuit theory, and belongs to the technical field of city environment regulation and heat island effect governance, and the method comprises the steps: S1, recognizing long-term stable cold and heat source patches through obtaining multi-temporal surface temperature (LST) data and combining mathematical form spatial pattern analysis (MSPA) and a landscape connectivity index; s2, adopting a spatial principal component analysis (SPCA) method to construct a comprehensive resistance surface fused with the three-dimensional urban form factors; s3, connecting a cold and heat source to simulate an airflow conduction path based on a circuit theory, extracting a cooling gallery and identifying key nodes; and S4, finally, through a stable surface-connecting line-key point mode active cooling network, space optimization is carried out. According to the method, accurate identification and efficient communication of cold and heat sources can be realized, the heat island effect relieving efficiency is improved, the long-term adaptability of a cooling network is ensured, and a popularized urban thermal environment governance path is provided.

The invention discloses a high-temperature stable gas heat conduction temperature control method and system, and relates to the technical field of temperature control. The system comprises a high-temperature inert gas loop, a gas circulation driving module, a gas heating module, a gas heat exchange module, a gas cooling module, a gas purification and supplement module and a precise temperature sensing and control module. The high-temperature inert gas loop is configured as a closed circulation path and is used for bearing high-purity inert gas as a heat carrier; and the gas circulation driving module is arranged in the high-temperature inert gas loop and is used for driving the high-purity inert gas to continuously and circularly flow in the closed circulation path. By adopting high-purity inert gas as a heat-conducting medium and combining precise circulation driving, multi-stage heating, efficient heat exchange, active cooling, online purification and intelligent control technologies, the problems that an existing liquid heat-conducting medium is unstable in phase change at a high temperature, a metal eutectic medium is poor in safety, and a composite system is high in complexity are solved.

Systems and methods are provided for managing temperature inside a wireless power transfer (WPT) system for an electric vehicle. A thermal management system of a WPT system uses one or more of a passive cooling method, a semi-active cooling method, and an active cooling method to manage an internal temperature of the WPT system during a charging session. Improvements in thermal management allow for longer duration of charging sessions and higher power charging sessions without the need to suspend charging for cooling. In addition, several different methods of camouflaging and implementing a thermal management system in a public space are also provided.

The invention discloses a thermal environment and air quality self-adjusting intelligent emergency rescue cabin and method, and relates to the technical field of emergency rescue. The core of the method is that firstly, heat loss characteristics of the rescue cabin are learned through a simulated environment, and a standard loss rate is established; then, a target temperature interval is set, and based on comparison between the temperature loss rate monitored in real time and a standard value, hierarchical temperature control modes such as dormancy, low-power-consumption maintenance or dynamic balance are dynamically selected. Furthermore, by integrating vital sign monitoring, the target temperature can be dynamically adjusted according to parameters such as the core body temperature, blood oxygen and blood pressure of a patient, medical intervention modes such as active cooling and shock rewarming are started, and safe rewarming is achieved in the shock rewarming mode in the mode that a core area is heated through directional radiation. The system is also internally provided with a multi-rule priority arbitration mechanism. The cabin body comprises a sensor, an air conditioner, vital sign monitoring equipment and a directional heating plate. Unification of energy conservation, temperature stabilization and precise medical intervention is achieved, and the intelligent level and the safety guarantee capacity of emergency rescue are remarkably improved.

The utility model relates to a smooth copper shell cold roll, which comprises an inner core component and a copper shell component coaxially connected outside the inner core component, a liquid inlet channel and a liquid outlet channel are respectively arranged at two ends of the inner core component, and an annular cavity is arranged in the copper shell component. The liquid inlet channel, the annular cavity and the liquid outlet channel are sequentially communicated and form a one-way cooling flow channel; an impeller rotating along with the liquid inlet channel is installed in the liquid inlet channel and used for driving cooling liquid to flow in the one-way cooling flow channel. Through the design of linkage of the impeller and the roller body, the cooling liquid is driven to flow by using the rotation power of the roller, an external pumping device is not needed, active cooling with zero extra energy consumption is realized, and the energy-saving benefit is remarkable; a spiral flow guide path is matched, so that the heat conduction efficiency and the cooling liquid contact area are greatly improved, and thermal deformation is effectively prevented.

The invention provides a new energy heavy truck battery pack, a thermal management unit and a method, belongs to the technical field of new energy batteries, and aims to solve the technical problem that an existing thermal management system can only perform thermal management on the whole battery and cannot implement balanced thermal management according to the temperature difference of each module. Cooling outlet pipes of the module heat exchange plates are connected with a battery cooling medium outlet pipe through an active cooling medium distributor, the active cooling medium distributor comprises a shell, communicating mechanisms and an active adjusting mechanism, and the communicating mechanisms are arranged in the shell in parallel and communicate with the battery cooling medium outlet pipe and the module cooling medium outlet pipes of the heat exchange plates; the active adjusting mechanism is movably arranged in the shell, the moving direction is consistent with the distribution direction of the communication mechanisms, and the active adjusting mechanism can move to the positions of all the communication mechanisms and adjust the effective circulation sections of the corresponding communication mechanisms. The method has the technical effects of realizing temperature balance regulation and control among the modules, improving the charging and discharging performance of the battery pack and prolonging the overall service life.

Method for determining a state of at least one mirror (17-19, M1-M6) of a projection exposure system. The mirror (17-19, M1-M6) has a mirror body (38) and an optical surface (32) formed thereon that reflects EUV radiation or DUV radiation. The projection exposure system comprises a temperature control device designed to actively cool the at least one mirror (17-19, M1-M6) using a temperature control medium. The method comprises the following steps: - Operating the projection exposure system; - Active cooling of the mirror (17-19, M1-M6) using the temperature control medium; - Determining a quantity of heat absorbed by the temperature control medium during active cooling of the mirror (17-19, M1-M6); - Deriving a state of the mirror (17-19, M1-M6) based on the determined amount of heat. Using this method, an individual and independent measurement value can be recorded for the mirror, which allows a reliable assessment of the condition of the mirror.

The invention relates to the technical field of mine blasting, and discloses a high-temperature blasting drilling multi-layer thermal insulation charging device for strip mines, which comprises a multi-layer thermal insulation sleeve, a temperature monitoring module, an active cooling module and a quick release mechanism, the multi-layer thermal insulation sleeve comprises a phase change heat absorption layer, and an aerogel thermal insulation layer is fixedly mounted on the outer wall of the phase change heat absorption layer; a metal reflecting layer is fixedly installed on the outer wall of the aerogel heat insulation layer, the multiple layers of heat insulation sleeves are arranged, the high temperature of the external environment is effectively isolated through the multiple layers of structures of the multiple layers of heat insulation sleeves, internal explosives are protected against the influence of the high temperature, and the phase change heat absorption layer utilizes the phase change heat absorption characteristic of a paraffin-graphene composite material; a large amount of heat is absorbed and stored, temperature rise is effectively slowed down, the aerogel heat insulation layer further blocks heat transfer due to extremely low heat conductivity and excellent heat insulation performance, the metal reflection layer can effectively reflect solar radiation and heat radiation in the surrounding environment, and heat absorption is reduced.

The invention provides an automobile fireproof cover. The automobile fireproof cover comprises a top plate; the bottom supporting frame is located below the top plate and is in a hollow ring shape; the upper end of the cover cloth is connected with the edge of the top plate, and the lower end of the cover cloth is connected with the bottom support frame to form a closed space; the telescopic columns are multi-stage sleeves and do telescopic motion in the vertical direction, the upper ends of the telescopic columns are fixedly connected with the top plate, and the lower ends of the telescopic columns are fixedly connected with the bottom supporting frame; the telescopic control assembly is connected with the telescopic columns, controls the telescopic columns to stretch out and draw back synchronously, and drives the cover cloth and the bottom supporting frame to be unfolded downwards or folded upwards relative to the top plate for storage. A stable closed space is formed through automatic unfolding of a pneumatic mechanical structure, the functions of active cooling and smoke discharging are integrated while a fire source is efficiently isolated and explosion spreading is prevented, the safety of rescue workers can be guaranteed, the fire extinguishing efficiency is improved, and storage is convenient.

Methods and systems for managing cooling of a data processing system. In particular, active cooling using a fan controlled by an embedded controller is provided in a data processing system having components from a thermal architecture that is only capable of providing passive cooling through throttling of a motherboard of the data processing system. The thermal architecture is based on a passive cooling thermal architecture of a computing device without the capacity to include the fan and the embedded controller, and the motherboard is one of the components of the thermal architecture.

The invention relates to the technical field of power distribution cabinet welding, in particular to a power distribution cabinet body welding device which comprises a base station used for conveying power distribution cabinet bodies in sequence, and the base station is provided with a welding device body fixed through a side arm and used for welding supporting pieces to the inner walls of the power distribution cabinet bodies. The welding device comprises a sliding platform fixed to the side arm. Through active cooling and physical supporting of the cooling plate and the circulating cooling system of the cooling plate on the outer wall of the cabinet body during welding, welding heat input is absorbed and guided out, welding deformation of the thin-wall cabinet body is restrained, and the appearance precision of the cabinet body, the mounting position accuracy of a supporting piece and the welding precision are guaranteed; by means of cooperation of the dust suppression air inlet groove and the suction pump, effective collection of welding fume is achieved, and the dual functions of dust removal, environmental protection and enhanced heat dissipation are synchronously achieved through filtering purification and directional air injection towards the liquid outlet pipe; and the production efficiency and the product consistency of the power distribution cabinet are improved.

The invention discloses an active cooling type dry-type transformer, and relates to the technical field of transformers, the active cooling type dry-type transformer comprises an iron core, a low-voltage coil and a high-voltage coil, the iron core comprises three iron columns and an iron yoke used for connecting the three iron columns, and the inner part of the low-voltage coil sleeves the outer sides of the iron columns. According to the active cooling type dry-type transformer, through cooperation of a supporting rod and a turbine fan, airflow inrush from the bottom is converted into spiral ascending airflow, the cooling coverage rate is increased, when the temperature of the transformer rises, an expansion air bag pushes a sealing plate to shrink ventilation holes, the airflow is accelerated, the rotating speed of the turbine fan is increased, heat dissipation is enhanced, and if the temperature is too high, the cooling efficiency is improved. The centrifugal force triggers the water outlet holes to spray water mist, evaporate and absorb heat and discharge the water mist along with airflow, meanwhile, the scraping pieces remove dust on the inner wall of the air channel under the centrifugal effect, accumulation is prevented from affecting heat dissipation, the whole system can be adjusted in a self-adaptive mode according to the temperature, and the heat dissipation stability of the dry-type transformer is guaranteed.

The invention discloses an engine blade welding deformation control method based on pre-deformation and active cooling, and relates to the technical field of precision welding manufacturing, and the engine blade welding deformation control method comprises the following steps: collecting multi-source real-time monitoring data in a blade welding process, and inputting the data into a trained welding heat-force coupling dynamic model; performing nonlinear interaction analysis on real-time monitoring data through a built-in deformation semantic analysis unit in the welding heat-force coupling dynamic model, extracting core characteristic parameters, and creating a regulation and control decision system comprising a strain state space, a temperature control action space and a deformation compensation evaluation function by utilizing the strain state mapping set; the method is used for predicting a deformation response value corresponding to each regulation action. According to the method, through a regulation and control decision system comprising a strain state space, a temperature control action space and a deformation compensation evaluation function, deformation response is predicted, an optimal cooling path and a pre-compensation quantity regulation and control scheme are generated, and finally dynamic optimal control over blade welding deformation is achieved.

An actively-cooled heat shield system includes a heat shield, a tank, a pump, a heat exchanger, and a turbine. The heat shield defines a windward side of a vehicle. The tank stores a coolant. The pump receives the coolant from the tank and outputs a pressurized coolant. The heat exchanger is integrally connected with the heat shield. The heat exchanger receives the pressurized coolant from the pump, transfers heat from the heat shield to the pressurized coolant to generate a heated fluid, and outputs the heated fluid. The turbine includes an inlet, a shaft, and an outlet. The inlet receives the heated fluid output from the heat exchanger. The shaft is coupled to the pump and includes turbine blades. The shaft rotates and powers the pump when the heated fluid received from the heat exchanger acts on the turbine blades. The outlet outputs the heated fluid.

A refrigerated lunch box device is provided. The device is comprised of a dual-compartment body configured to separate perishable and non-perishable food items, wherein one compartment includes an active cooling system in the form of a refrigeration unit. The refrigeration unit comprises a thermoelectric cooling assembly powered by a battery. The battery may be rechargeable via the charging port and in one embodiment may be a removable battery pack. A user interface control allows adjustment of internal temperatures. The device further includes a non-refrigerated compartment equipped that may be comprised of a modular insert system for customizable food organization.

The invention relates to a hypersonic aircraft leading edge active and passive composite thermal protection structure and a preparation method thereof. The thermal protection structure comprises a high-temperature metal heat pipe, a parting flow channel layer plate and a porous sweating layer plate which are arranged in a stacked mode from inside to outside, the parting flow channel layer plate is provided with a branch-shaped parting network flow channel, and the porous sweating layer plate is provided with concave grooves which are distributed in a staggered mode in the shape of the Chinese character'yao '. And the bottom of the sweating groove is communicated with the dendritic parting network flow channel through the sweating holes. Passive heat dissipation of the high-temperature metal heat pipe and active cooling of the parting flow channel-porous sweating layer are used for cooperative work, and advantage complementation of passive heat protection and active heat protection is achieved; the parting runner-porous sweating layer design can realize uniform distribution of a coolant on the porous sweating layer plate, and a large number of micro-pore channels formed by the porous sweating layer micro pin fins-interconnected embedded grooves significantly promote sweating cooling, so that efficient active and passive composite thermal protection is realized.

According to the electrochemical energy storage safety prevention and control system based on multi-mode perception and dynamic regulation and control and the control method thereof, by integrating multi-source sensor data and an intelligent early warning model, early recognition of thermal runaway is achieved; micro-channel active cooling and targeted spraying are combined to restrain heat spreading, and a gas-solid composite fire extinguishing agent and inert gas are linked to conduct multi-stage fire extinguishing.

A cutting element including a base. The base including a cylindrical body having a body axis, and where the cylindrical body defines a fluid bore extending at least partially therethrough along to the body axis. A fluid conduit in fluid communication with the fluid bore and oriented transverse to the body axis. A cutting support extending from the cylindrical body and a ultrahard layer joined to the cutting support such that a cutting surface of the ultrahard layer is oriented transverse to the body axis.

The application discloses a battery box phase change liquid cooling system, which comprises a battery box, a plurality of strip-shaped battery units extending along a Y direction in a length direction are arranged in an equidistant array along an X direction in the battery box, a variable phase change cooling channel extending along the Y direction is formed between any two adjacent strip-shaped battery units, side walls close to a Y+ direction and a Y- direction of the battery box are an A side wall and a B side wall respectively, and any two adjacent strip-shaped battery units are an A strip-shaped battery unit and a B strip-shaped battery unit.

An electric submersible pump includes a heat exchanger, a shaft comprising an axial bore, and a motor, which includes a rotor rotationally coupled to the shaft, a stator concentrically disposed with respect to the rotor, and a journal bearing disposed between the stator and the shaft. There is a gap between the rotor and the stator. The electric submersible pump further includes a first pump mechanically coupled to the shaft and configured to pump production fluid through a tubular, and a second pump mechanically coupled to the shaft and configured to pump coolant through the axial bore, the gap, and the heat exchanger. The heat exchanger transfers heat from the coolant to the production fluid to cool the motor.

The present invention relates to a conditioning method (100) for conditioning an electrochemical cell system (203). The conditioning method (100) comprises the following method steps: - mounting (103) the electrochemical cell system (203) on a test bench (200), - connecting (105) a temperature-control circuit (209) of the electrochemical cell system (203) to a temperature-control circuit (205) of the test bench (200), - starting up (107) the electrochemical cell system (203), - operating (109) the electrochemical cell system (203) on the test bench (200) for a predefined duration at at least one predefined operating point, - shutting down, with active cooling (111), the electrochemical cell system (203), - disconnecting (112) the temperature-control circuit (209) of the electrochemical cell system (203) from the temperature-control circuit (205) of the test bench (200), - shutting down, with passive cooling (113), the electrochemical cell system (203), - removing (115) the electrochemical cell system (203) from the test bench (200), wherein, during the passive cooling of the electrochemical cell system (203), the temperature-control medium of the temperature-control circuit (205) of the test bench (200) is heated.

The invention relates to an arrangement comprising a projection system (22) for microlithography and a wall element (28) for thermally shielding the projection system (22) with respect to a lighting system (10). The projection system (22) has an object field which can be illuminated by the lighting system (10) and optical elements (M1-M6) for imaging the object field into an image plane (21). The wall element (28) additionally comprises a passive shielding surface element (30) which is arranged in a transition region between a last beam portion (41) of the lighting system (10) and a first beam portion (42) of the projection system (22). According to the invention, the arrangement also has an active cooling element (31) which is positioned in the transition region and has a cooling surface (32) which extends at least partially along a surface area of the passive shielding surface element (30). With the aid of the active cooling element positioned in the transition region, a rate of change of the heat flow from the lighting system into the projection system can be significantly reduced.

The invention relates to an electronic device (1) with active cooling. In order to make a compact design of the electronic device possible and also to ensure a high level of ESD / EMC protection and a high level of IP protection, according to the invention the housing (2) of the electronic device (1) is connected to a body (10) of a fan (4). When the body (10) is in a connected state with the housing (2), an opening to the interior of the housing (2) is closed. The body (10) is also connected to a hub (6) on which a fan rotor (7) is mounted for rotation. In the connected state, a chamber (14) is also formed which is separated from the interior of the housing (2) and in which the fan rotor (7) is arranged. Here, the chamber (14) forms a housing for the fan rotor (7).

The invention provides a radio frequency MEMS switch and a preparation method thereof, and relates to the technical field of radio frequency MEMS switches. A substrate of the radio frequency MEMS switch comprises a first surface and a second surface which are opposite to each other, a Peltier refrigeration module is embedded in the substrate, the Peltier refrigeration module comprises a refrigeration end and a heat dissipation end, and the refrigeration end is closer to the first surface compared with the heat dissipation end. The driving electrode is arranged on the first surface, and the first electrode and the second electrode are also arranged on the first surface. The cantilever beam is electrically connected with the first electrode, the cantilever beam is arranged on the side, away from the substrate, of the driving electrode, and the cantilever beam is configured to be electrically connected with the second electrode under driving of the driving electrode. The orthographic projection of the joint of the cantilever beam and the first electrode on the substrate is overlapped with the area where the Peltier refrigeration module is located, and / or the orthographic projection of the joint of the cantilever beam and the second electrode on the substrate is overlapped with the area where the Peltier refrigeration module is located, in-situ active cooling can be carried out, and thermal creep aggravation is restrained.