22222 results about "Cooling fluid" patented technology

The invention relates to the technical field of server temperature control, and discloses a liquid cooling server intelligent temperature control method based on local software monitoring, and the method comprises the following steps: data collection: collecting hardware temperature data and task load data of a liquid cooling server through an embedded real-time monitoring module; temperature prediction: based on the hardware temperature data and the task load data, utilizing a prediction algorithm to analyze the temperature change trend of the server in a period of time in the future; regulation and control decision making: according to the temperature change trend, generating regulation and control parameters for regulating the flow of the cooling liquid and the target temperature of the cooling liquid; the invention further discloses a liquid cooling server which comprises an embedded real-time monitoring module, a distributed control unit, a cooling loop module and a local off-line temperature control module. Through the dynamic temperature control algorithm, the distributed control unit and the local temperature control module, real-time accurate regulation and control, efficient response and independent operation under the condition of network disconnection are achieved, and the reliability and adaptability of the system are improved.

The invention relates to the technical field of temperature equalization control, and discloses a temperature equalization control method and device for a liquid cooling over-charging system. The method comprises the following steps: carrying out grid division on the liquid cooling overcharge system, inputting thermophysical parameters, and obtaining a temperature field calculation matrix through finite difference time domain analysis; establishing a two-layer distributed control network of a station-level control layer and a pile-level control layer based on the temperature field calculation matrix; acquiring real-time temperature data of the two layers of distributed control networks, and performing temperature field mapping to obtain temperature field distribution data; performing linear prediction and nonlinear prediction calculation on the temperature field distribution data to obtain a temperature change trend and a temperature extreme point; the target temperature is calculated according to the temperature change trend and the temperature extreme point, the cascade PID controller is adopted to adjust the rotating speed of the cooling liquid pump, and the temperature balance control parameters are obtained, station-level and pile-level cooperative control is achieved, cooling resources among the multiple charging piles are reasonably distributed, and the overall cooling efficiency of the system is improved.

The invention relates to the technical field of liquid cooling, and discloses a server cabinet liquid cooling control method and system based on intelligent liquid cooling distribution, and the method comprises the steps: collecting the temperature, cooling liquid flow, pressure and environmental parameters of each node in a server cabinet in real time through a liquid cooling distribution unit; the load change of the server is predicted based on a dynamic distribution algorithm, and the pump set rotating speed and the valve opening degree of the liquid cooling distribution unit are dynamically adjusted so as to dynamically distribute the cooling liquid flow according to needs; a multi-parameter coupling optimization algorithm is adopted, and the energy efficiency ratio of the liquid cooling system is adjusted according to the temperature, the cooling liquid flow and the pressure; cooling liquid leakage is detected through a multi-mode sensor, a liquid leakage protection mechanism is triggered in a grading mode according to the severity degree of leakage, and the liquid leakage protection mechanism comprises local pipeline isolation and whole system shutdown. The system corresponds to the method. By adopting the method, the energy efficiency improvement and the reliability enhancement of the heat dissipation system of the server cabinet are realized.

The invention discloses a safety monitoring system of a liquid cooling over-charging pile, and relates to the technical field of over-charging pile monitoring, the system comprises a data acquisition module, a data processing and analysis module, a dynamic model construction module, a temperature prediction module and a safety early warning module; according to the method, the dynamic model is constructed through the long short-term memory network LSTM, the complex nonlinear relation and the time sequence dependence of the multi-dimensional data are mined by using the gating mechanism of the dynamic model, the accurate characterization of the operation state of the liquid cooling over-charging pile is realized, the actual operation state of the equipment can be accurately described, the temperature data time sequence modeling is performed through the LSTM, and the accuracy of the temperature data time sequence modeling is improved. Parameters such as multi-source temperature and cooling liquid flow are fused, real-time prediction of the temperature change trend is achieved, the defect that a traditional algorithm is insufficient in temperature time sequence dependence capture is overcome, temperature abnormity can be recognized in advance, a safety threshold value is dynamically adjusted through a fuzzy logic algorithm, and self-adaptive threshold value adjustment is achieved in combination with parameters such as charging power. The problem that a traditional fixed threshold value is poor in adaptability is solved, and the early warning accuracy is improved.

The invention relates to the technical field of data center heat dissipation, and particularly provides a single-phase and two-phase immersion liquid cooling method and system based on AI intelligent decision, and the method comprises the steps: injecting coupled data into a dynamic feature extraction engine, and outputting a thermodynamic state evolution tensor which comprises the characteristics of a temperature change rate, a load-heat flux density coupling coefficient and the like; the thermodynamic state evolution tensor is input into the deep neural network model, the temperature and pressure matched with the current thermodynamic state evolution tensor are calculated, and a closed-loop control instruction set capable of being executed by equipment is generated; a closed-loop control instruction set is injected into an execution mechanism set, execution mechanisms execute power reconstruction and flow channel switching according to instructions, gaseous fluorinated liquid is liquefied and flows back through an efficient condenser in a two-phase mode, and heat dissipation mode self-adaptive switching and heat cycle reconstruction are achieved. The system comprises a server, an AI algorithm controller, a cooling liquid storage device, a condenser, a circulating pump, an electric valve, a pressure release valve and a temperature sensor. The heat dissipation efficiency and the system reliability are remarkably improved.

The invention discloses an accurate flow control method and system for a two-phase cold plate cooling data center, and relates to the technical field of two-phase cold plate cooling, and the method comprises the following steps: S1, collecting multi-mode operation monitoring data in real time, and carrying out the data preprocessing; s2, constructing a multivariable short-time-sequence prediction model, predicting the cooling demand, and performing optimization regulation and control on a cooling demand prediction result; s3, the target regulation and control flow of the cooling liquid is predicted, and flow and cooling execution measures are taken according to the target regulation and control flow prediction result; the opening degree of the valve is accurately adjusted and evaluated in real time, and accurate flow control is achieved; s4, integrating multi-mode operation monitoring data, a cooling demand prediction result, a target regulation and control flow prediction result and a valve opening accurate regulation evaluation result, and constructing a parameter optimization and safety fault-tolerant mechanism; the problems of chip safety and energy consumption risks caused by cold plate temperature overshoot and cooling capacity regulation lag under high-load fluctuation of the server are solved.

Air conditioning device (1) for motorhomes, comprising: - at least one first heat exchanger for exchanging heat with the air circulating through it; - a cooling circuit (8) for a cooling fluid, with a path passing through the first heat exchanger; - a compressor (7) which includes an electric motor, for circulating the cooling fluid in the cooling circuit (8); - a power supply unit that can be connected to an external power supply to receive an electrical input current or electrical input power and to generate a variable supply voltage to drive the electric motor with an electrical supply current, - a controller (11) connected to the power supply unit that is suitable for receiving input data representative of a reference value of the electrical input current or electrical input power and that is programmed to adjust the power supply unit to generate the supply voltage with a reference amplitude and / or frequency such that the electrical input current or electrical input power is below the reference value; - a positioning device designed to determine the position of the air conditioning device (1); and - a memory containing a plurality of reference values ​​corresponding to a plurality of locations, wherein the controller (11) is capable of receiving a location signal from the positioning device and of setting as input data one of the reference values ​​present in the memory depending on the location signal.

The invention discloses an aircraft wheel cooling method and device, and the method comprises the steps: collecting the temperature of a brake disc and the air pressure of a hub in real time through a temperature and pressure sensor, calculating the temperature change rate and the pressure difference through an embedded processing module, and generating a thermodynamic initial parameter set; calculating a thermal stress distribution value of the brake disc based on the initial parameter set, and generating a cooling liquid flow and spraying angle instruction set in combination with a material threshold database; the opening degree of an annular pipeline piezoelectric valve is regulated according to an instruction set, an injection area is regulated according to flow velocity-surface area heat exchange efficiency, and waste heat is synchronously recovered to optimize power consumption; the thermal infrared imager obtains temperature field distribution, the initial parameter tolerance range is compared, the spraying angle and the flow instruction are corrected through a fuzzy PID algorithm, and temperature gradient errors are eliminated; and based on the temperature drop rate, the pressure stability and the waste heat recovery efficiency, an efficiency index is generated by using a neural network scoring model, and algorithm weights and piezoelectric valve response parameters are dynamically adjusted. The cooling efficiency is effectively improved, and the thermal stress risk is reduced.

The invention relates to the technical field of energy storage management, in particular to a high-energy-density liquid cooling energy storage system based on thermal management optimization, which comprises a thermal response calculation module, a thermal risk area identification module, a cooling resource allocation module, a thermal decoupling state judgment module and a charging and discharging power limiting module. According to the method, the inlet temperature, the outlet temperature and the cooling liquid flow speed of the high-energy-density energy storage equipment are obtained, the unit thermal load conversion rate is calculated, the unit thermal response deviation degree is determined, the thermal risk area higher than the standard limit is clearly recognized in the energy storage equipment, the corresponding liquid cooling channel is accurately selected, and the cooling liquid pulse flow frequency is optimized; the pertinence and timeliness of the cooling liquid in actual use are effectively improved, the local overheating hidden danger is avoided, the lag response is marked in time by monitoring the cooling liquid pressure difference and the temperature rise change in real time, the decoupling state between the cooling liquid and the thermal load is judged, the charge and discharge power dynamic reduction measure is implemented, and the trend of abnormal and continuous accumulation of the local thermal load is restrained.

The invention relates to the technical field of heat management of energy storage systems, and discloses a heat management method of an intelligent distributed liquid cooling energy storage system. The method comprises the following steps: acquiring operation state parameters of a plurality of single batteries and optimizing timestamp synchronization; and processing the temperature data by adopting small-batch time series decomposition, and extracting change trend characteristics and abnormal hot spot positions. And based on the information, optimizing a heat exchange control rule base parameter set through a non-dominated sorting strategy, and generating optimized control parameters and priority rules. And in combination with inlet temperature and flow parameters of the liquid cooling system, a tabu search mechanism is utilized to decide a cooling liquid flow distribution scheme, and a branch control instruction is output. And finally, a flow constraint boundary is dynamically adjusted by adopting an approximate gradient projection technology, and a branch and bound strategy is fused to discretize and optimize a distribution path, so that the branch flow is finely regulated and controlled, and the thermal management precision and reliability of the energy storage system are improved. According to the method, the accuracy, adaptability and stability of thermal management of the liquid cooling energy storage system are improved.

A heat exchanger conveys heat from a heat-generating component to a coolant. The heat exchanger includes a heat spreader plate defining an upper surface. A plurality of fins extend transversely from the upper surface to respective distal fin edges. The plurality of fins define a corresponding plurality of microchannels. A housing defines an underside surface positioned overtop the distal fin edges. The underside surface urges against the distal fin edges sufficiently to substantially inhibit a coolant from leaking from one microchannel to an adjacent microchannel. The fins can be sufficiently compressed between the heat spreader plate and the underside of the housing as to deflect the fins from an unloaded, at-rest orientation. The distal edges of the fins can be flared laterally outward. Such flared distal fin edges can be fused with the underside of the housing and the microchannels can be substantially free of any fusing material.

The invention provides an outer rotor liquid cooling motor and an aircraft. The outer rotor liquid cooling motor comprises a power module, a first heat dissipation module and a second heat dissipation module. The outer rotor liquid cooling motor is provided with a first channel and a second channel, the suction pump is used for sucking cooling liquid, the cooling liquid flows to the stator and the first channel through the liquid guide pipe, and the cooling liquid is used for absorbing heat of the stator; the air outlet communicates with the second channel and is used for forming cooling airflow, and the cooling airflow sequentially flows through the converter, the second channel and the air outlet and is used for cooling the cooling liquid. The first heat dissipation module and the second heat dissipation module are arranged in the outer rotor liquid cooling motor, a cooling liquid circulation system and a cooling gas circulation system are formed, the stator is cooled through cooling liquid, the cooling liquid is cooled through cooling air flow, meanwhile, the cooling air flow can further penetrate through the interior of the outer rotor liquid cooling motor, and the cooling effect is improved. Heat energy in the outer rotor liquid cooling motor is taken away, and the heat dissipation efficiency of the outer rotor liquid cooling motor is improved.

The invention discloses a dynamic flow control method for a two-phase cold plate liquid cooling system based on multi-modal sensing, and relates to the technical field of equipment cooling. Comprising the following steps: S1, collecting liquid cooling monitoring data in real time, and performing data preprocessing; s2, judging the state risk of the cold plate, carrying out signal cross validation, and taking an abnormal regulation and control measure; s3, cooling liquid flow regulation and control are carried out, and the matching degree of flow regulation and control and chip thermal load is evaluated, so that flow regulation and control correction is carried out; and S4, constructing a big data modeling and simulation feedback platform, evaluating a flow regulation and control self-healing effect, optimizing each parameter and strategy, and carrying out self-learning evolution. The problems that an existing two-phase cold plate liquid cooling system generally only depends on a single temperature signal, lacks a multi-source redundancy check mechanism, has the problems of response lag, weak local reflection capacity, high risk during failure and the like, consequently, the cooling capacity distribution and adjustment precision is insufficient, and the actual requirement of a high-heat-density data center for heat dissipation is difficult to meet are solved.

The invention provides an intelligent harmonic dynamic compensation method and system for a data center. According to the method, server heat source surface temperature field distribution is monitored in real time through a distributed optical fiber temperature measurement array, and a dynamic impedance spectrum is generated; when the temperature gradient exceeds the flash evaporation critical value of the fluorinated cooling liquid, an active filter is activated to carry out dynamic impedance matching compensation on high-frequency harmonic current in the liquid cooling tank cabinet, and a pulse width modulation control signal of a circulating pump is generated; the compensation power of the filter and the turbulence intensity of the cooling liquid are synchronously adjusted by analyzing the coupling relation between the flowing vortex intensity of the cooling liquid and the dielectric polarization loss; when phase mismatch of a temperature field is caused by heat dissipation of multiple heat sources, a multi-band compensation strategy is reconstructed by utilizing frequency domain characteristics of a pulse width modulation signal and a compensation power historical value, and a cooling liquid branch flow distribution ratio and a filter frequency response curve are cooperatively adjusted. According to the technical scheme, the thermal stability and the electrical safety of the data center cooling machine room are improved.

The invention provides a cooling adjusting method and system for an injection mold, and relates to the technical field of injection molds. The method comprises the following steps: acquiring real-time temperature data in the injection molding process of the mold by utilizing temperature sensors arranged at a plurality of preset measuring points of a mold cavity of the injection mold; based on the real-time temperature data, a mold cavity heat distribution model representing mold cavity temperature distribution information is generated; according to the mold cavity heat distribution model, the mold cavity is divided into a plurality of sub-cooling areas, and each sub-cooling area corresponds to at least one cooling loop; determining the temperature state of each sub-cooling area based on the mold cavity heat distribution model, and generating a flow regulation instruction of the corresponding cooling loop according to the temperature state; and controlling an electric control valve and a variable frequency water pump of each cooling loop according to the flow regulation instruction so as to regulate the flow of the cooling fluid flowing through each sub-cooling area. According to the technical scheme, partition precise adjustment of the cooling process of the injection mold can be achieved.

The invention discloses a liquid cooling resource intelligent distribution regulation and control method and system, and the method comprises the steps: collecting first operation data of a target computing power cluster, and carrying out the first preprocessing of the first operation data, and obtaining second operation data; establishing a first model, and evaluating the operation state of the target computing power cluster based on the second operation data in combination with the first model; performing regulation and control according to the operation state in combination with a first regulation and control strategy, wherein the first regulation and control strategy comprises a first target function and a constraint condition; and solving the first objective function to obtain an optimal regulation and control scheme. By continuously optimizing parameters such as the flow speed, the flow and the pressure of the cooling liquid and dynamically adjusting the temperature of a cooling liquid outlet of a heat exchanger and the rotating speed of a fan, intelligent and dynamic management of the computing power cluster cooling resources can be achieved, and efficient and safe operation is ensured.

The invention relates to the technical field of wind power operation and maintenance technologies, and discloses a combined heat dissipation system of a fan, the system comprises a multi-source sensing module, a decision control module, a heat dissipation execution module and a safety early warning module, and by setting multi-mode cooperative control, when fan heat dissipation regulation and control are carried out, the heat dissipation of the fan can be controlled in a multi-mode cooperative mode; a dynamic matching mechanism of temperature field characteristics and heat dissipation modes is established, and air cooling, liquid cooling and phase change strengthening modes are automatically switched in real time according to the temperature rise rate and the heat distribution gradient, so that the system can accurately adapt to heat dissipation requirements under different working conditions, timely heat dissipation of a high-temperature core area is guaranteed, the heat dissipation response accuracy is improved, and the service life of the system is prolonged. By arranging the three-dimensional thermal field balancing system, the hot area distribution difference of the bearing, the winding and the power module is recognized in real time, the cooling liquid flow and the airflow guide angle are dynamically adjusted, the three-dimensional thermal unbalance phenomenon in a traditional heat dissipation mode is eliminated, and it is guaranteed that the temperature gradient of all areas in the motor is always kept within a safety threshold value.

The invention discloses a charging pile liquid cooling three-level leakage prevention and pump obstacle prevention intelligent control method and system, and relates to the technical field of liquid cooling control. The charging pile liquid cooling three-level leakage prevention and pump obstacle prevention intelligent control method comprises the steps that S1, liquid cooling monitoring data are periodically collected, and the liquid cooling monitoring data are preprocessed; s2, judging whether an abnormal period exists or not, and evaluating whether a cooling liquid leakage trend exists or not in combination with real-time liquid cooling monitoring data; s3, performing coolant leakage risk grade evaluation, judging the leakage risk grade in the current abnormal period, and executing a corresponding leakage prevention strategy; and S4, in the execution process of the anti-leakage strategy, the running state of the circulating pump is evaluated, and whether the pump obstacle prevention and control strategy is triggered or not is judged. The problem that thermal runaway is caused by the fact that cooling abnormity is not intervened in time due to the fact that leakage of trace cooling liquid in an existing liquid cooling system is difficult to recognize in time and pump obstacles are difficult to pre-judge accurately is solved.

The invention discloses a surface milling device for mold machining and a machining method of the surface milling device, and relates to the technical field of mold machining, the surface milling device comprises a base, a supporting frame is fixedly mounted at the top of the base, an electric cross sliding table is arranged on the side, located on the supporting frame, of the base, and the surface milling device further comprises an electric push rod fixedly mounted on one side of the top of the supporting frame; the movable end of the electric push rod penetrates through the supporting frame and is fixedly provided with a movable plate, guide rods are symmetrically installed on the two sides of the top of the movable plate, the two guide rods are both slidably connected with the supporting frame, meanwhile, a driving motor is fixedly installed in the center of the top of the movable plate, and a chuck is fixedly installed at the output end of the driving motor; by means of the cooling device, a tool can be evenly cooled in the mold milling process, the situation that the service life of the tool is affected by overheating of the tool can be avoided, waste of cooling liquid can be reduced while the cooling liquid is sprayed, the cooling liquid is saved, and practicability is improved.

The invention discloses a full-immersion type liquid cooling energy storage system and a control method thereof, and relates to the technical field of energy storage control, and the method comprises the steps: installing multiple sensors in a liquid immersion tank, carrying out the calibration, collecting the state data of a battery module and cooling liquid in real time through the calibrated multiple sensors, and obtaining the state data of the battery module and the cooling liquid; the state data of the battery module and the cooling liquid are preprocessed and uploaded to a control center, a Transform model is constructed in the control center, historical state data of the battery module and the cooling liquid are used for training, the trained Transform model is obtained, the preprocessed state data of the battery module and the cooling liquid are input into the trained Transform model, and the state data of the battery module and the cooling liquid are obtained. And obtaining prediction results of the high-risk area position and the expected temperature change value. The invention provides an intelligent control strategy and a multi-sensor network based on a Transform model, and local cooling is realized by monitoring the temperature change of the liquid cooling energy storage equipment in real time and adjusting the flow and path of the cooling liquid in real time.

A heat pump system for a vehicle includes: a valve, an electrical component cooling device, a battery cooling device, an indoor heating device, an indoor cooling device, a centralized energy device, and a chiller, wherein the second line is selectively fluidically-connectable to the first line connected to the radiator through the second valve; a condenser included in the centralized energy device is selectively fluidically-connectable to the first line or the second line through a third valve to condense the refrigerant supplied through the refrigerant line through heat-exchange with a coolant provided in a sixth line through which a coolant flows; and a first end portion of the third line is selectively fluidically-connectable to the sixth line through a fourth valve provided in the sixth line.

The invention provides a liquid cooling partition intelligent control method for an energy storage system, and relates to the technical field of intelligent control, and the method comprises the steps: obtaining the real-time operation data of the energy storage system, and analyzing the current heat demand of the energy storage system based on the temperature data of an energy storage converter and a battery pack; a real-time temperature control target is determined, then a liquid cooling working mode is selected, a corresponding liquid cooling control instruction is generated, the operation rotating speed of a water pump of the water cooling unit is adjusted according to the instruction, corresponding cooling liquid flow is generated, cooling liquid is distributed to an energy storage converter and a battery pack loop by adjusting and controlling the opening and closing angle of a three-way valve, and an initial liquid cooling path is formed; cooling simulation and optimization are carried out by establishing a real-time twinborn model, the problems that the energy efficiency is low and the system performance is unstable due to the fact that dynamic and independent refrigeration control cannot be provided for different thermal load requirements through liquid cooling and heating management are solved, and the effects of improving the thermal management efficiency and the system energy utilization efficiency and optimizing the system stability are achieved.

The invention discloses an injection molding temperature control method for rapid injection molding of an injection molded part, and relates to the field of injection molding temperature control, and the injection molding temperature control method comprises the following steps: performing main body division on a mold by scanning three-dimensional space data of the mold and combining geometric characteristics, and performing structural stability evaluation and gradient calibration on a main body division result; analyzing the surface curvature of a main body division area based on a main body division result, and setting a cooling channel local loop in combination with the heat distribution condition of an actual thermoplastic process; performing loop integration on the cooling channels of all the main body division areas, and setting the flow velocity of cooling liquid in the cooling channels based on the stress change of the injection molding part; based on the finally determined communication distribution of the cooling channels and the flow speed of the cooling liquid, the mold and the cooling channels are produced through 3D printing; according to the method, the injection molding period is remarkably shortened, the production efficiency and the quality and stability of injection molded parts are improved, and the method is suitable for rapid molding requirements of high-precision complex injection molded parts.

The invention relates to the technical field of injection molding, and discloses a uniform temperature control injection mold which comprises a mold closing body, a plurality of cooling circulation modules are installed on the surface of the mold closing body, a macroscopic adjusting assembly is arranged in the mold closing body, and the macroscopic adjusting assembly comprises a plurality of heat conduction pipes fixedly connected to the interior of the mold closing body. Temperature difference spiral sheets are mounted in the heat conduction pipes, when the temperature in the middle of the cavity changes, hot air rises, the temperature difference spiral sheets are evenly heated and expand, then the abutting plate is pushed to move, a valve element of the flow valve is driven to rotate through a trigger arm and a swing piece, and the flow of cooling liquid is adjusted in real time; therefore, the macroscopic adjusting assembly can be accurately matched with thermal load differences of injection molding filling, pressure maintaining and cooling stages, the problem of local overheating or insufficient cooling caused by fixed waterway flow of a traditional mold is effectively solved, and the quality stability and performance reliability of automobile parts are improved by dynamically adjusting the flow of cooling liquid.

The invention relates to an automatic identification control method and system based on heat dissipation of a liquid cooling plate in a heat exchange system. The method comprises the following steps: acquiring real-time operation data of a target liquid cooling plate; establishing a dynamic thermal resistance network model, and calculating a current thermal resistance value; refrigeration demand parameters are obtained, and a demand weighted thermal resistance value is generated in combination with the current thermal resistance value; thermal resistance deviation is obtained based on the demand weighted thermal resistance value, and the opening degree of a cooling liquid flow valve in the heat exchange system is dynamically adjusted through a fuzzy PID controller; the PID parameters are updated through a preset optimization algorithm, and the fuzzy PID controller is optimized; according to the automatic identification control method and system based on heat dissipation of the liquid cooling plate in the heat exchange system, real-time dynamic adjustment of the flow of the cooling liquid is achieved by establishing the dynamic thermal resistance network model and combining fuzzy PID control, the problems that a traditional method lags in response and is insufficient in control precision are solved, and the control efficiency is improved. The method has the effects of improving the dynamic response speed, improving the control precision and optimizing the energy efficiency.

The invention discloses an immersed server operation control method and system, and relates to the technical field of immersed cooling, and the method comprises the steps: judging whether a liquid level is higher than a preset starting liquid level, and activating a cooling liquid circulation system to confirm liquid flow; the liquid inlet speed of the cooling liquid is optimized according to feedback of the flow velocity sensor, and the stable state of the liquid level in the server cabinet is monitored; whether cooling liquid leaks or not is judged based on liquid level acceleration and flow velocity deviation, when the liquid level is insufficient, an alarm is triggered, and the liquid level and circulation time are automatically adjusted. According to the method, the automation level and the operation safety of the system are improved, sufficient supply of the cooling liquid under the high-load condition of the server is ensured, the downtime caused by leakage of the cooling liquid is shortened, the long-term operation cost of the system is reduced through timely maintenance notification, and the service life of the system is prolonged by automatically adjusting the liquid level and the circulation time. And quick recovery of the system when leakage occurs is ensured, so that the reliability and the fault recovery capability of the system are improved.

The invention relates to the technical field of energy-saving control, in particular to a data center machine room comprehensive energy-saving control system and method adopting a liquid cooling mode, and the system comprises an equipment monitoring space and a hierarchical energy-saving control module, and the equipment monitoring space module monitors the working state and temperature of machine room equipment and a liquid cooling device thereof in real time through a state monitoring unit; a clustering monitoring network is constructed by using a clustering monitoring network construction unit, fine monitoring of equipment cooling energy-saving control is realized, a hierarchical energy-saving control module generates a first-level node coordination control strategy through a federated distributed control unit, and generates a second-level difference cooling energy-saving control strategy through an edge difference control unit. In addition, the system further comprises a flow distribution adjustment and evaluation feedback module, the flow distribution adjustment and evaluation feedback module distributes and adjusts the flow of the cooling liquid according to a control strategy, the flow distribution adjustment and evaluation feedback module evaluates cooling energy consumption in real time and feeds back and adjusts the control strategy, and refined monitoring and graded energy-saving control over equipment in the machine room can be achieved.

The invention discloses a liquid cooling heat dissipation ducted fan which comprises a duct, a propeller, a motor, a supporting rib plate, a propeller hub shell and a liquid cooling mechanism. The propeller hub shell is fixed in the duct through the supporting rib plates; a motor and a liquid cooling mechanism are arranged in the propeller hub shell; a rotor output shaft of the motor is connected with a propeller and a fairing through a coupler. The fairing is arranged on the propeller in a sleeving mode, and an opening is formed in the fairing so that blades of the propeller can stretch out. The liquid cooling mechanism is at least partially formed in the propeller hub shell and the supporting rib plate, and the propeller hub shell and the supporting rib plate are of a sandwich structure to form a cooling liquid circulation channel of the liquid cooling mechanism. According to the liquid cooling heat dissipation ducted fan, the cooling liquid flow channels are arranged in the propeller hub shell and the supporting rib plates, the cooling liquid is cooled through the structure of the cooling liquid while the cooling liquid dissipates heat of the motor, the cooling liquid circulates in the propeller hub shell and the supporting rib plates, the motor is continuously cooled, and the heat dissipation efficiency is improved.

The invention discloses a pressing device and method for corrugated plate welding. The pressing device comprises a first clamping mechanism, a second clamping mechanism, a pressing supporting mechanism, a connecting supporting rod, a corrugated plate pressing mechanism and a temperature adjusting mechanism. The temperature adjusting mechanism comprises a heat conduction top pressing plate assembly, a temperature detection assembly, a heat conduction pipe assembly, a cooling liquid storage box, a cooling liquid circulating pump and a heat dissipation assembly. According to the pressing method, the first clamping mechanism and the second clamping mechanism clamp adjacent wave crest nodes of the corrugated plate correspondingly, and the heat conduction top pressing plate assembly is tightly attached to the surface of the side edge of a welding seam; and when the temperature reaches the upper limit, the cooling liquid circulating pump conveys cooling liquid for cooling, and when the temperature is reduced to the lower limit, the cooling liquid circulating pump and the heat dissipation assembly are shut down. And the risk of local deformation caused by heat input can be reduced through active temperature control, so that the forming quality of lap welding of the corrugated plates is improved.

The invention discloses an immersed liquid cooling energy storage battery box, and belongs to the technical field of outdoor integrated cabinets. The box body assembly comprises a box body and a cover plate covering the top of the box body, a baffle is arranged at the bottom of the box body, the baffle is arranged in a guide groove, a liquid inlet is formed in the bottom end of the end of the box body, and a liquid outlet is formed in the top end of the end of the box body; the battery assembly comprises a battery module which is arranged on the baffle and is composed of a plurality of battery cells, overflow runners are formed among the battery cells through isolation pads, and the guide grooves are communicated with the overflow runners; cooling liquid enters from the liquid inlet, is shunted to the overflow flow channel through the guide groove and flows between the bottom of the box body and the battery cell; the cooling liquid adopted by the invention is an insulating cooling liquid, the PACK adopts a totally-closed pressure-bearing design, the system pressure can meet 0.2 mPa, negative pressure vacuumizing liquid injection is performed, a reasonable flow channel is constructed, the cooling liquid heat dissipation capability is improved, the front and rear temperatures of the battery cell are basically consistent, and the temperature rise of the battery cell is reduced.