794 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 invention belongs to the technical field of anti-explosion electric cabinets, and particularly discloses an anti-explosion electric cabinet for new energy supply, which comprises an anti-explosion electric cabinet and an active cooling and fire extinguishing system, and is characterized in that the active cooling and fire extinguishing system comprises a centralized cooling and fire extinguishing unit, a confluence controller, a control module, a plurality of pressure pipelines and a plurality of temperature feedback devices; a plurality of working parts in the explosion-proof electric cabinet are respectively provided with a monitoring unit; the explosion-proof electric cabinet has the advantages that the monitoring unit is arranged in the explosion-proof electric cabinet, real-time monitoring of the environment of the electric cabinet is achieved, and especially under the abnormal conditions of high temperature and the like, the active cooling and fire extinguishing system can rapidly respond, automatically increase the spraying amount of the fire extinguishing material and improve the fire extinguishing effect. The system integrates a passive pressure relief structure, an active explosion venting system, an inerting explosion suppression system and automatic water mist spraying, multi-level safety protection is provided, and safety and stability of electric power distribution facilities, especially an electric cabinet and a distribution box in a new energy grid-connected system in a complex environment are ensured.

A cooling system is described. The cooling system includes a cooling element and a support structure. The cooling element is configured to undergo vibrational motion when actuated to drive a fluid toward a heat-generating structure. The cooling element includes a piezoelectric structure including a substrate having a first side and a second side opposite to the first side. A first piezoelectric layer is on the first side. A second piezoelectric layer is on the second side. The support structure is coupled to the cooling element and configured to support the cooling element.

The invention relates to the technical field of thermal management optimization, and discloses an active cooling and power optimization system of a plateau turbine generator, which comprises a multi-physics field modeling module, a reinforcement learning decision module, a strategy optimization training module and an edge execution control module, and is used for resolving a temperature field / flow field / stress field coupling state in real time, providing environment dynamic characterization, and optimizing the power of the plateau turbine generator. According to the method, multi-source sensing data is processed, a cooling liquid flow rate and cooling fin angle control instruction is generated, strategy iteration optimization is carried out in a digital twin environment, the physical rationality and energy efficiency optimality of a control algorithm are ensured, a lightweight strategy network is deployed, and sub-second-level real-time response and fault safety protection are achieved. Through intelligent control and multi-physical field cooperation, the temperature adjusting precision and the system response speed are improved, efficient power output of the turbine is kept under different altitudes and climate conditions through a self-adaptive strategy, and a reliable clean energy solution is provided for high-altitude areas in combination with multiple safety protection mechanisms.

Systems, methods, and apparatus for temperature control and active cooling of an inspection robot are disclosed. An example apparatus may include a temperature determination circuit to interpret an inspection temperature value, a temperature management circuit to determine a temperature management command in response to the inspection temperature value, and a temperature response circuit to provide the temperature management command to a temperature management device associated with an inspection robot.

The present disclosure describes a robotic arm assembly for use in a vacuum environment. Such robotic arm assemblies may have one or more rotary joints with ferromagnetic fluid seals or other vacuum compatible seals. A coolant flow path section may be provided that passes through one or more of the one or more rotary joints to allow coolant to be circulated through one or more cooling features within the robotic arm assembly such that components within the robotic arm assembly, such as motors, ferromagnetic fluid seals, sensors, etc., are actively cooled.

The invention belongs to the technical field of welding, and provides a laser welding tool and method for a thin-wall titanium alloy runner plate. A small-diameter welding wire is adopted, the laser power is adjusted, protective gas purging is started, and laser welding is conducted in the anticlockwise direction from the left lower portion; in the welding process, active cooling is carried out at the same time until welding is completed; after welding is completed, the fixing module is detached; the active cooling specifically comprises the steps that absolute ethyl alcohol is sprayed on the welded surface, after absolute ethyl alcohol on the surface of the cold plate (3) to be welded volatilizes completely and ventilation is kept for 2 min, protective gas is started again for purging for 10 s, and one-time active cooling is completed. The method is used for solving the problem that a laser welding method in the prior art easily causes heat accumulation deformation of the titanium alloy sheet, so that the welding precision of the sheet is ensured.

The invention discloses an efficient heat dissipation system of a new energy automobile circuit board, and the system comprises a composite heat dissipation substrate which is formed by compounding a ceramic substrate layer, a graphene heat conduction layer and a copper alloy supporting layer through vacuum hot pressing, and the surface of the graphene heat conduction layer is provided with a micron-sized groove array; the dynamic heat dissipation assembly comprises a thermoelectric refrigeration module and a temperature sensor which are embedded in the composite heat dissipation substrate, the thermoelectric refrigeration module is linked with the temperature sensor through a PID controller, and active refrigeration based on temperature rise of the circuit board is achieved; the multi-layer heat dissipation channel comprises a micro-channel and a bionic fin structure, the micro-channel vertically penetrates through the composite heat dissipation substrate, the bionic fin structure covers the surface of the substrate, and the micro-channel is filled with a phase change material and is communicated with an external liquid cooling circulation system; the airflow adjusting module comprises a rotatable flow guide plate and a piezoelectric fan array, the flow guide plate dynamically adjusts the heat dissipation airflow direction according to the vehicle speed, and the frequency response range of piezoelectric fans is larger than or equal to 100 Hz.

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 belongs to the field of scramjet engines, and particularly relates to an ammonia-hydrogen power wide-speed-range scramjet engine and a combustion method thereof. The ammonia-hydrogen power wide-speed-range scramjet engine comprises a combustion chamber, a liquid ammonia storage device and a hydrogen storage device; a concave cavity is formed in the combustion chamber, a fuel injection section upstream injection hole is formed in a fuel injection section of the concave cavity, the concave cavity is located at the downstream of the fuel injection section, a fuel injection section upstream micro-jet injection hole is formed in the upstream of the fuel injection section upstream injection hole, and a concave cavity inner micro-jet injection hole is formed in the concave cavity; the liquid ammonia storage device is connected with an upstream injection hole of the fuel injection section through a cooling structure; and the hydrogen storage device is connected with the upstream micro-jet injection hole of the fuel injection section and the micro-jet injection hole in the concave cavity. According to the invention, liquid ammonia and hydrogen are introduced as fuels to realize wide-range combustion organization, so that wide-range efficient combustion is realized, the fuel heat absorption requirement of high-Mach-number active cooling thermal protection is met, and zero carbon emission can be realized in the whole process.

The utility model relates to the technical field of medical instruments, and discloses an energy surgery active cooling device and an energy surgery active cooling system. The second clamping body is connected with the first clamping body, and the far end of the second clamping body is suitable for abutting against the far end of the first clamping body; the cooling structure is arranged on at least one of the first clamping body and the second clamping body; the interior of the cooling structure is hollow and forms a containing cavity, and the containing cavity is suitable for containing a cooling medium; the containing cavity communicates with an external cold source, and the containing cavity is suitable for circulating a cooling medium between the containing cavity and the external cold source so that heat on the first clamping body and / or the second clamping body can be conducted to the external cold source from the far-end tip end. According to the active cooling device for the energy surgery department, the heat risk of the heating surface is eliminated, the heat dissipation and cooling efficiency of the clamping body is improved, the heat dissipation structure of the clamping body is simplified, and the process difficulty of the device is reduced.

The invention relates to the technical field of crucible dust collection, in particular to a dust collection structure for a neodymium iron boron sheet crucible slag removal procedure, which comprises a dust collection pipe, the upper part of the dust collection pipe is tubular, the lower part of the dust collection pipe is conical, and two spraying units which are symmetrically arranged left and right are arranged on the conical structure of the dust collection pipe; the rotatable water pipe is adopted to drive the spray pipes distributed in the circumferential direction to rotate synchronously, cooling water mist is continuously sprayed into the dust suction pipe through the two atomization nozzles on the spray pipes, active cooling is achieved, and the service life of equipment is prolonged; the rotating cylinder is adopted to drive the vortex-line-shaped pushing plate to rotate, raised dust is pushed outwards in the radial direction of the dust suction pipe through the outwards-protruding arc-shaped face of the pushing plate, dust is forced to be close to a spraying area quickly, the mixing efficiency of the raised dust and water mist is remarkably improved, the cooling effect is improved, and the dust removal efficiency is improved.

The invention belongs to the technical field of hypersonic wind tunnel tests, and discloses a hypersonic wind tunnel test model support with an active cooling function and a test method thereof. A cooling water inlet and a cooling water outlet are formed in an inclined column of the bracket, so that the bracket has an active cooling function and can effectively support a test model to carry out a hypersonic wind tunnel test; the rear portion of the support is provided with a cavity defined by the cross beam, the skin and the like and a wire outlet hole of the tail cover, and the cavity and the wire outlet hole can be used for wiring of a test model measurement and control cable, the measurement and control cable is isolated from high-speed airflow, and thermal protection is achieved. The test method comprises the steps of mounting the batter post; installing a tail cover; the sealing plate is mounted on the inclined column; installing a left cross beam and a right cross beam; installing the skin; installing a test model; mounting a bracket; and performing a hypersonic wind tunnel test. The test method can meet the requirement of a hypersonic wind tunnel test, is compatible with an existing hypersonic wind tunnel test method, is stable and reliable, is high in efficiency, and has engineering practical value.

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 invention provides an active cooling control system and an active cooling method. The system comprises L front cabin temperature sensors, M middle cabin temperature sensors, N rear cabin temperature sensors, a front cabin valve switch, a middle cabin valve switch, a rear cabin valve switch, a controller, a power supply, a monitoring system, a cold air compressor, an air inlet pipeline and an air outlet pipeline. The risk possibly occurring in the cooling control system in the flight process is avoided, and when a temperature sensor works normally, a closed-loop cooling control method strategy based on temperature feedback is adopted to regulate and control the cold air flow in the cabin; when the temperature sensor in a certain area breaks down, the cooling control system is automatically switched to an open-loop mode based on flow prediction, cold air flow regulation and control are achieved by receiving flight parameters, and finally active cooling of the aviation aircraft is achieved.

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 provides a wind turbine generator cooling system based on a heat pipe and a phase change material. The wind turbine generator cooling system comprises a heat pipe-phase change material composite heat dissipation module, a dynamic air cooling cooperation module, a self-cleaning dustproof module, an optimization control module and an execution module. Through the cooperation of heat pipe-phase change material composite energy storage and negative pressure air cooling, the comprehensive heat dissipation efficiency is improved, the active cooling energy consumption is reduced, the traditional cooling technology is broken through the ceiling, the problem of performance degradation in a sand and dust / high humidity environment is thoroughly solved through the self-cleaning function, and the service life of the ceiling is prolonged. Thermal load prediction is combined with digital twinning to realize normal form transformation from passive response to active optimization, thermal runaway risks are reduced through prediction and dynamic regulation, and manufacturing and operation and maintenance costs are greatly reduced through lightweight and modular design.

A turbine assembly includes a bladed rotor mounted for rotation about an axis of the gas turbine engine, a case assembly, and an actively-cooled tip clearance system. The tip clearance system includes a tip clearance sensor located radially outward of an inner case of the case assembly. The actively-cooled tip clearance system includes a sensor is configured to monitor a tip clearance formed between the bladed rotor and the case assembly during operation of the gas turbine engine.

The invention belongs to the field of heat dissipation frames, and particularly relates to a fine coarsening heat dissipation frame structure which comprises a heat dissipation frame body. A fixing rod is also arranged at the top end, close to the corner, of the heat dissipation frame body, the top end of the heat dissipation frame body is fixedly connected with the bottom end of the fixing rod, the top end of the fixing rod is fixedly connected with the bottom end of the fixing plate, and a heat dissipation fixing mechanism is arranged between the heat dissipation frame body and the fixing plate; the heat dissipation fixing mechanism comprises a bottom plate, and the bottom plate is arranged at the bottom end of the heat dissipation frame body. Through the design of the heat dissipation fixing mechanism, the function of rapid cooling is achieved, and the problems that an existing device is not provided with an assembly for active cooling, the existing device can only achieve cooling through air circulation, the cooling effect of the cooling mode is not obvious, the high temperature condition of the device above is extremely likely to happen, and the cooling effect is poor are solved. And the problem that rapid cooling cannot be effectively carried out is solved, and the cooling effect is improved.

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 supercritical CO2 phase change cooling heat prevention and control system and method for an energy storage and power battery. According to the invention, the thermophysical property change of supercritical CO2 near a critical point is utilized, so that the volume is greatly reduced, and extremely high heat dissipation efficiency is realized; a multi-stage energy recovery framework is adopted, and gradient utilization of energy is achieved through the synergistic effect of the heat exchanger and the heat regenerator; the phase change evaporation module effectively solves the problem of high-power-density heat dissipation; the modular design enables the thermal management system to occupy a very small area; the battery can stably operate in an environment temperature range of 0-100 DEG C, and is suitable for harsh working conditions such as variable-rate frequent charging and discharging; a thermal runaway emergency system is integrated, liquid direct injection can be completed within seconds, an inert gas barrier is formed, and a triple protection system of'active cooling-emergency inerting protection-environment moisture prevention 'is constructed in cooperation with a refrigeration main cycle and a condensation dehumidification module; the method is also applied to new energy electric vehicle power batteries, 5G base station standby power supplies, satellite and space station energy storage systems and other scenes.

The utility model relates to the technical field of hydraulic oil pumps, in particular to a hydraulic oil pump temperature monitoring and self-cooling assembly which comprises a hydraulic oil pump body, a plurality of cooling fins which are distributed at equal intervals up and down are arranged on the front side and the rear side of the hydraulic oil pump body, and a cooling mechanism is detachably connected to the right side of the hydraulic oil pump body and comprises an I-shaped hollow plate. A plurality of strip-shaped air outlet holes which are distributed at equal intervals up and down are formed in the positions, close to the front side and the rear side, of the left side of the I-shaped hollow plate, the strip-shaped air outlet holes are located between every two vertically-adjacent cooling fins, and a temperature sensor and a controller are arranged at the bottom of the hydraulic oil pump body. According to the hydraulic oil pump temperature monitoring and self-cooling assembly, through the design of the temperature sensor and the controller, real-time monitoring and intelligent control over the temperature of the hydraulic oil pump body are achieved. When the temperature is detected to exceed a set threshold value, the fan is automatically started to achieve effective active cooling, and when the temperature is reduced to below the threshold value, the fan is automatically stopped to save energy consumption.

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 invention discloses a data center energy saving system and method, and relates to the technical field of energy consumption saving.The system comprises a temperature prediction module used for predicting temperature distribution of a data center based on computational fluid dynamics simulation data and wireless sensor data; the active cooling control module is used for adjusting operation parameters of a cooling system and a fan in the data center according to the temperature prediction result of the temperature prediction module; the intelligent sensor monitoring module is used for collecting and monitoring operation data of the data center through an optical sensor, an acoustic sensor and a thermal sensor; the operation data are computational fluid dynamics simulation data and wireless sensor data; and the energy consumption evaluation and optimization module is used for evaluating the energy consumption of the cooling system in the data center in real time. The overall energy efficiency of the data center is improved, and the operation reliability is enhanced.

Cooling systems for removing heat from an electronic device (e.g., a computing system), and related systems and methods, are disclosed herein. The cooling system can include multiple active cooling devices (e.g., thermoelectric devices) that are each independently thermally couplable to a processing unit in the electronic device. Further, each of the active cooling devices (and / or systems coupling the cooling device to the processing unit) can be independently operable to deliver localized cooling to the electronic device. The cooling system can also include one or more heat exchangers that are thermally coupled first hot side active cooling devices, as well as one or more external cooling loops that use fluid to cool the one or more heat exchangers.

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.