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57576results about "Cooling/ventilation/heating modifications" patented technology

Temperature regulation and control system applied to machine room water-cooled air conditioner

The invention discloses a temperature regulation and control system applied to a machine room water-cooled air conditioner, and relates to the technical field of temperature regulation and control. The system comprises a coupling analysis module, a cooperative control module, a dynamic regulation and control module and a correction module. Temperature distribution and power consumption data of a cabinet are collected in real time, a heat flow propagation model is constructed through a graph neural network, and refrigerant flow velocity and tail end air outlet temperature set values are output. And combining the efficiency curves of the water pump, the fan and the compressor, optimizing the total energy consumption of the system, the service life of equipment and the refrigeration stability by using a non-dominated sorting genetic algorithm, and generating a control instruction. And according to the machine room layout and regulation and control instruction, the thermodynamic constraint condition is verified, a refrigerant distribution priority matrix is generated, and equipment coordination response is ensured. And comparing actual and simulation data through a digital twin platform, and reversely correcting the edge weight of the heat flow propagation model to optimize the system performance. The system can realize accurate regulation and control of the machine room environment, improve the energy efficiency and prolong the service life of equipment, and ensure the refrigeration stability.
Owner:HANGZHOU HUAHONG COMM EQUIP CO LTD

Control method and control system of data center liquid cooling heat dissipation system

The invention discloses a control method and a control system of a data center liquid cooling heat dissipation system, and relates to the technical field of liquid cooling heat dissipation, the system realizes real-time state monitoring of server operation through a data acquisition and monitoring module, integrates multiple data such as temperature, flow velocity and pressure difference, forms a detailed comprehensive heat dissipation data set, and improves the heat dissipation efficiency. And a database is constructed for storage. And meanwhile, a cooling liquid flow velocity analysis control module of the system generates a server heat dissipation coefficient CN through the server operation environment parameter C1 and the server operation parameter C2, the server heat dissipation coefficient CN is compared with a preset heat dissipation threshold C for evaluation, and the cooling liquid flow velocity is adjusted in real time. Therefore, when the load of the server is increased, the cooling intensity can be automatically increased, the chip temperature is reduced, and stable operation of the server is kept; and when the load is reduced, the cooling intensity is reduced, the energy consumption is reduced, and the cooling efficiency and the energy utilization rate of the system are remarkably improved.
Owner:SHENZHEN ATTOM TECH CO LTD

Heat dissipation control method and device for high-order computing power automatic driving FPC sensing module

The invention relates to a heat dissipation control method and device for a high-order computing power automatic driving FPC sensing module, and the method comprises the following steps: carrying out the temperature data collection of a target FPC sensing module through a preset distributed thermosensitive array, and obtaining the data of a three-dimensional temperature field; performing heat flow path calculation on the target FPC sensing module based on the three-dimensional temperature field data to obtain a heat flow density distribution diagram; performing topological optimization calculation on the target FPC sensing module based on the heat flux density distribution diagram to obtain a heat dissipation structure layout scheme; performing dynamic optimization solution on the heat dissipation structure layout scheme through a branch and bound algorithm to obtain a heat dissipation control parameter set; and inputting the heat dissipation control parameter set into a preset execution unit, and performing real-time heat dissipation control on the target FPC sensing module to obtain an ideal heat dissipation state, thereby solving the problems that a traditional method often cannot accurately and effectively cool local hot spots and lacks flexibility to adapt to dynamic thermal changes under different working loads.
Owner:ZHUHAI XINLI ELECTRONICS TECH

Liquid cooling server safety management system and method

The invention relates to the technical field of liquid cooling servers, and discloses a liquid cooling server safety management system and method, and the method employs a multi-mode sensor network to synchronously collect the thermodynamic parameters of a liquid cooling system at 100 Hz, and constructs a three-dimensional thermal field digital twinborn model after the processing of an extended Kalman filtering algorithm. A distributed cooling strategy is designed based on a federated learning framework, and each node locally trains a thermal dynamic prediction model and is optimized by a central aggregator. A dynamic control instruction is generated by using a near-end strategy optimization algorithm, and cooling liquid flow distribution is optimized in combination with a quantum derivative simulated annealing algorithm. And designing a dual-threshold phase change control mechanism, establishing a block chain log to ensure traceability and tamper resistance of the instruction, and realizing closed-loop feedback control through a CAN bus. The system and the method can accurately monitor and intelligently control the liquid cooling system, improve the heat dissipation efficiency, reduce the power consumption, and guarantee the data safety and the system stability.
Owner:百信信息技术有限公司 +1

Anti-electromagnetic interference intelligent cooling fan system based on dynamic filter circuit design

The invention relates to an anti-electromagnetic interference intelligent cooling fan system based on dynamic filter circuit design. The system comprises a dual analysis module used for performing time domain and frequency domain dual analysis on a rotating speed feedback signal of a double-ball fan to obtain a multi-dimensional electromagnetic interference characteristic model, and configuring filter network parameters to obtain a target three-stage cascade dynamic filter network; the signal purification module is used for collecting first fan operation parameters and inputting the first fan operation parameters into a target three-stage cascade dynamic filter network for signal purification to obtain filtered Hall sensor signals and filtered power supply signals; the closed-loop control calculation module is used for performing closed-loop control calculation to obtain a non-linear PWM duty ratio control quantity and a phase distribution parameter; and the phase difference control module is used for carrying out phase difference control to obtain a multi-fan cooperative control strategy. According to the invention, high-precision control and anti-interference capability in a wide rotating speed range are realized, and the problem of mutual influence of electromagnetic interference when multiple fans are connected in parallel is solved.
Owner:GUANGDONG HUAXIA HENGTAI ELECTRONICS CO LTD

Server cabinet liquid cooling control method and system based on intelligent liquid cooling distribution

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.
Owner:GUANGZHOU NUOTIAN INFORMATION TECHNOLOGY CO LTD

Magnetic wave ring

The invention discloses a magnetic wave ring which comprises a base, supporting legs are arranged at the bottom of the base, a machine body is installed on the base, a displayer support is installed on the top of the machine body, a displayer is installed on the displayer support, an operation interface is integrated in the displayer, a handle connector is arranged at the end, close to the displayer support, of the machine body, and a magnetic therapy handle is installed in the handle connector. A handle support is arranged on one side of the machine body, a plurality of radiators are arranged on the back of the machine body, power sockets are arranged at the bottoms of the radiators, and power switches are arranged on one sides of Compared with the prior art, the device has the advantages that painless and noninvasive electromagnetic stimulation treatment is achieved through the magnetic induction principle, the curative effect is definite, the side effect is small, and addiction is not prone to occurring. The equipment is reasonable in design, simple and convenient to operate, easy to master and suitable for medical institutions and families. Personalized treatment parameter setting is provided, and the requirements of different patients and different treatment parts are met. The device has multiple safety protection functions, and safety and effectiveness of the treatment process are ensured.
Owner:臧艳燕

Single-phase and two-phase immersion liquid cooling method and system based on AI intelligent decision

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.
Owner:TIANJIN TIER TECHNOLOGY CO LTD

Precise flow control method and system for two-phase cold plate cooling data center

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.
Owner:TIANJIN TIER TECHNOLOGY CO LTD

Electric engine, control method, related device, motor controller and aircraft

The invention provides an electric engine, a control method, a related device, a motor controller and an aircraft, and relates to the technical field of aircrafts. The electric engine comprises a power motor, a heat dissipation system and a control module, a cavity is formed in the power motor, the control module is integrated in the cavity, the space occupied by the electric engine is reduced, and therefore the size of the aircraft is reduced; the control module comprises at least three integrated driving modules, part of the driving modules are electrically connected with the power motor so as to control the power motor, part of the driving modules are electrically connected with a variable pitch motor of the propeller so as to control the variable pitch motor, and part of the driving modules are electrically connected with a heat dissipation motor in the heat dissipation system so as to control the heat dissipation motor. The performance and efficiency of the electric engine are improved through unified integrated control over the power motor, the heat dissipation motor and the variable pitch motor. And through a unified control architecture, the system design is simplified, the development and maintenance cost is reduced, and the maintainability of the electric engine is improved.
Owner:SICHUAN AEROFUGIA TECH DEV CO LTD

Data center energy efficiency optimization method and system

The invention provides a data center energy efficiency optimization method and system. A data acquisition node is arranged at the inlet end of a cooling unit to obtain refrigerant transportation data, the data are input into a path optimization model constructed based on a physical topological structure of the cooling unit, and a dynamic adjustment coefficient set containing heat exchange efficiency, phase change delay and pressure compensation parameters is generated. Meanwhile, the temperature difference generating capacity is converted into a driving parameter set based on the heat source distribution map by obtaining the surface waste heat of the cooling unit. And in combination with the dynamic adjustment coefficient set and the driving parameter set, the temperature gradient compensation amount, the phase change trigger threshold value and the pressure balance interval are determined, joint optimization is carried out, and a refrigerant flow rate control scheme adapting to machine room environment temperature fluctuation is generated. And energy efficiency optimization of the data center machine room environment is realized based on the refrigerant circulation parameters. According to the technical scheme provided by the invention, the energy efficiency optimization effect of the data center is remarkably improved by optimizing the flow speed control of the refrigerant.
Owner:TIANJIN UNIV

Thermoelectric coupler for selective heat transfer between coolant loops in a device cooling system

A disclosed device cooling system includes a first coolant loop that circulates a first cooling media through a device; a second coolant loop that circulates a second cooling media through the device; a thermoelectric cooler (TEC) positioned between the first coolant loop and the second coolant loop; and control electronics configured to selectively drive the TEC to transfer heat between the first coolant loop and the second coolant loop.
Owner:MICROSOFT TECHNOLOGY LICENSING LLC

A data center AI energy consumption analysis and optimization method and system

The present invention relates to the field of data center technology, specifically a data center AI energy consumption analysis optimization method and system, including the following steps: obtaining data center status information, collecting CPU occupancy, memory usage and disk I / O frequency, monitoring computer room temperature, humidity and cabinet energy consumption, identifying servers with abnormal power fluctuations, abnormal loads and abnormal temperature changes, and establishing an energy consumption monitoring data set. The present invention, by collecting key operating parameters of the data center and implementing data cleaning and abnormal point elimination, enhances the data center's monitoring capabilities for power fluctuations, abnormal loads and temperature changes, making the analysis of energy consumption more refined and more targeted, and directly comparing and analyzing with energy efficiency benchmarks, can quickly identify equipment with low operating efficiency, and quickly take measures to optimize and adjust, and improve the energy efficiency management level of the data center through intelligent data processing and real-time optimization feedback.
Owner:北京英沣特能源技术有限公司

Efficient machine room water pump frequency conversion control system and method

The invention relates to the field of machine room water pump control methods, in particular to an efficient machine room water pump frequency conversion control system and method. Modules of intelligent prediction and optimization, dynamic pressure and flow control, multi-sensor fusion, fault prediction and adaptive control, energy management and optimization and the like are integrated; and prospective and self-adaptive operation of the cooling system is realized. The system not only can predict the cooling demand according to historical data and real-time environmental parameters and adjust the working state in advance, but also can monitor and accurately control the pressure and flow of the cooling water system in real time and ensure the cooling efficiency. Through multi-sensor fusion, the system comprehensively monitors the operation state, and in combination with fault prediction and adaptive control, potential faults can be prevented, and the system stability is guaranteed. The energy management and optimization module intelligently dispatches operation of a cooling water tower fan and a cooling water pump, efficient utilization of energy is achieved, and the energy efficiency and reliability of the cooling system are remarkably improved on the whole.
Owner:GUANGDONG ZHONGTE GRP CO LTD

Intelligent heat dissipation control optimization method and system for server

The invention relates to the technical field of server heat dissipation optimization, in particular to an intelligent heat dissipation control optimization method and system for a server, and the method comprises the steps: obtaining the temperature information of each region of the server and the working load data of the server; based on the temperature information, constructing multi-dimensional thermal field topological mapping; executing group theory base heat flow dynamic analysis according to the multi-dimensional thermal field topological mapping; performing spectral decomposition heat dissipation efficiency evaluation based on a group theory basis heat flow dynamic analysis result; according to the spectral decomposition heat dissipation efficiency evaluation result and the workload data, nonlinear heat transfer optimization is executed; a self-adaptive feedback control strategy is generated and used for adjusting a heat dissipation system of the server, accurate description of internal temperature distribution of the server is provided by a multi-dimensional thermal field topology mapping technology, and a foundation is laid for subsequent optimization; the group theory-based heat flow dynamic analysis method deeply reveals the essential law of heat transfer; the spectrum decomposition heat dissipation efficiency evaluation provides a brand new performance quantitative index, and the heat dissipation efficiency of the system is improved by more than 20%.
Owner:GUANGZHOU HEDY COMPUTER CO LTD

Heat management system and vehicle

A heat management system includes: a first flow passage in which a reserve tank is not provided; a second flow passage in which a reserve tank is provided; a switching device configured to switch between coupling and uncoupling of the first flow passage and the second flow passage to and from each other; and a control device configured to control the switching device. The control device is configured to, when predetermined coupling conditions are met, make the heat medium flow through the first flow passage and the second flow passage that have been coupled to each other by the switching device. When the control device determines that air bubbles exceeding the allowable volume are present in the heat medium, the coupling conditions switch from being unmet to being met.
Owner:TOYOTA JIDOSHA KK

Blind mate coupling with a self centering mechanism

The present disclosure relates generally to a coupling assembly made up of a male fluid coupler and a female fluid coupler for a fluid line. The male and female fluid couplers are closed to flow in the uncoupled state and are open to flow when coupled. The male fluid coupler can include an alignment compensation arrangement that can adjust for any initial misalignment between the male and female fluid couplers. The alignment compensation arrangement can function as a universal connection joint to allow the male fluid coupler to universally pivot and move radially.
Owner:DANFOSS AS

Multi-parameter MPC two-phase liquid cooling energy efficiency optimization distribution control system and method

The invention discloses a multi-parameter MPC two-phase liquid cooling energy efficiency optimization distribution control system and method, and relates to the technical field of liquid cooling energy efficiency optimization. The multi-parameter MPC two-phase liquid cooling energy efficiency optimization distribution control system and method comprises the following steps: S1, collecting and preprocessing two-phase liquid cooling control data; s2, the thermal load level of each area is evaluated periodically, a discrete time linear state space model is constructed, and the thermal load change rate is extracted; s3, the cold distribution amount of each area is quantified periodically, the pump speed and the valve opening target value are calculated, and an adjustment control instruction is generated; and S4, high heat risk and low heat stability areas are recognized, the cooling capacity compensation requirement is evaluated, a cooling capacity enhancement and recovery distribution value is output, and a corresponding control instruction is generated. The problems that an existing two-phase liquid cooling system generally only depends on temperature feedback for adjustment, so that cooling capacity distribution response lags behind, a short-time overheating phenomenon is prone to occurring in a high-heat area, and cooling capacity waste exists in a low-heat area at the same time are solved.
Owner:TIANJIN TIER TECHNOLOGY CO LTD

System and method for advanced electronic starting switch assembly for split-phase induction motors for domestic dryers

An electronic starting switch assembly and control methods for a dryer having a split-phase induction motor. The assembly comprises a microcontroller unit (MCU) configured to execute a control method that dynamically manages the motor's operation by monitoring the forward magnitude current. The MCU determines a stabilized startup forward magnitude current and calculates a crossover condition, allowing for precise control of the motor's transition to single-phase operation by disconnecting the auxiliary winding and connecting the heater element based on real-time forward magnitude current analysis and processing. The system can also monitor for overload conditions indicative of rotor speed drops and can re-engage the auxiliary winding to maintain motor performance. The assembly includes a housing with a heat-sink for efficient thermal management and environmental protection of electronic components. The disclosed method provides a robust solution for efficient dryer operation by ensuring accurate control of motor start-up, running conditions, and overload protection.
Owner:SHENZHEN RENAISSANCE TECH CO LTD +1

Intelligent temperature monitoring system and method for mass concrete

The invention discloses a mass concrete intelligent temperature monitoring system and method, and the system comprises a high-precision temperature sensor, a data collection node which is connected with the high-precision temperature sensor and is responsible for carrying out the primary processing and integration of temperature data collected by the sensor, and a data collection terminal which serves as a data convergence center of the whole monitoring system and is used for collecting the temperature data. The intelligent temperature monitoring system comprises a plurality of data acquisition nodes which are connected in a wired or wireless communication mode, a data monitoring platform which operates at a server end and is a core control and management unit of the whole intelligent temperature monitoring system, and a circulating water cooling control system which is composed of a cooling water pump, a cooling tower, a cooling water pipe network, a temperature control main station and the like. The cooling water pipe network is embedded in the concrete in advance to form a closed water circulation loop; the temperature control master station receives a cooling control instruction sent by the data monitoring platform, and adjusts the rotating speed of a cooling water pump and the working state of a cooling tower according to the instruction, so that the flow and temperature of cooling water in a cooling water pipe network are accurately controlled; through flowing of circulating water in the concrete, redundant heat in the concrete is taken away, effective regulation and control over the temperature in the concrete are achieved, key indexes such as the highest temperature and the temperature gradient of the concrete are controlled within a reasonable range all the time, and concrete cracks caused by temperature stress are avoided.
Owner:HUNAN ZHONGZHI YUNCHUANG TECHNOLOGY CO LTD +1

Heat exchanger with contact sealing and related systems and methods

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.
Owner:COOLIT SYSTEMS INC

Liquid cooling plate assembly and server

A liquid cooling plate assembly is configured to be in thermal contact with a first heat source and a second heat source. The liquid cooling plate assembly includes a cold plate and a plurality of heat pipes. The cold plate includes a plate body and a plurality of fins. The plate body is configured to be in thermal contact with the first heat source and the second heat source, the plate body has a fluid chamber and an inner bottom surface, the inner bottom surface is located at a bottom of the fluid chamber, and the fins protrude from the inner bottom surface. The heat pipes are located in the fluid chamber and thermally coupled to the fins, and the heat pipes are arranged side by side and are in thermal contact with one another.
Owner:INVENTEC PUDONG TECH CORPOARTION +1

System for utilizing waste heat of data center

The present disclosure relates to a system for utilizing waste heat of a data center. The system comprises a first heat exchange module, a second heat exchange module, a heat storage and extraction flow path, a heat supply flow path and a buried pipe, wherein the first heat exchange module is used for connecting to a data-center heat dissipation system for dissipating heat of a data center, and both the heat storage and extraction flow path and the heat supply flow path are connected to the first heat exchange module, so that the first heat exchange module can transfer, to the heat supply flow path and / or the heat storage and extraction flow path, heat which is generated by the data center and absorbed by the data-center heat dissipation system; the second heat exchange module is connected in the heat storage and extraction flow path and the heat supply flow path, so that heat exchange can be performed between the heat storage and extraction flow path and the heat supply flow path; and the heat storage and extraction flow path is provided with the buried pipe, which is configured to be buried below the ground surface, and is used for storing, in soil below the ground surface, the heat which is transferred from the data-center heat dissipation system to the heat storage and extraction flow path, or for transferring, to the heat supply flow path via the second heat exchange module, the heat which is stored in the soil below the ground surface.
Owner:BEIJING YOUZHUJU NETWORK TECH CO LTD

Immersion cooling system

An immersion cooling system is provided and includes: a box body having a first accommodating space and a second accommodating space, where the first accommodating space accommodates a heat dissipation medium and at least one heating unit; a condensing unit arranged in the second accommodating space; and at least one valve unit disposed in the box body and corresponding to the second accommodating space and the condensing unit. The gasified heat dissipation medium flows and impacts the condensing unit to blow off the liquefied heat dissipation medium attached onto the condensing unit when the valve unit is opened.
Owner:AEWIN TECH CO LTD

Temperature energy-saving control method and system for communication machine room

The invention relates to the technical field of communication machine room energy conservation, in particular to a temperature energy-saving control method and system for a communication machine room, and the method comprises the steps: obtaining multi-region temperature and humidity and equipment load data in the machine room, inputting a pre-training model to obtain a cabinet heat dissipation risk level, judging an environment state through combination with an incidence matrix, entering an operation mode if a requirement is satisfied, and entering a control mode if a requirement is satisfied. If not, a local temperature control adjusting mechanism is triggered; the method comprises the following steps: calculating a refrigeration efficiency ratio according to the air volume of ventilation equipment, air conditioner power consumption, real-time electricity price and the like, generating a candidate scheme set by using a dynamic weight multi-target optimization algorithm in combination with factors such as equipment life, and selecting a target scheme through virtual verification; and according to air conditioner waste heat and cabinet heat dissipation and storage heat, a heat energy distribution strategy is dynamically generated by using a deep Q network reinforcement learning algorithm. Therefore, the problems that in the prior art, energy is wasted, cost is high, heat dissipation requirements of all areas are difficult to accurately adapt, the service life and stability of equipment are affected, and fault risks are increased are solved.
Owner:HEILONGJIANG LONGTING INFORMATION TECH CO LTD

Energy storage converter

The invention relates to the technical field of energy storage, in particular to an energy storage converter which comprises a shell, the shell is provided with a first containing cavity, a second containing cavity and a third containing cavity which are distributed in the first direction, the first containing cavity is provided with an inductor, a radiator and a first cooling fan, and the second containing cavity is provided with a high-voltage box, a power device and a heating electronic device; the third accommodating cavity is provided with a control board, an anti-interference board and a power board; a first partition plate and a second partition plate which are distributed in a spaced mode in the second direction are arranged between the first containing cavity and the second containing cavity, the first partition plate can support the high-voltage box, and the second partition plate can support the heating electronic device; along a second direction, the power device is arranged between the first partition plate and the second partition plate, and the second direction is perpendicular to the first direction; a first supporting plate is arranged between the second containing cavity and the third containing cavity and supports the control plate, the anti-interference plate and the power panel. The energy storage converter is high in space utilization rate, small in size and high in operation stability.
Owner:ZHEJIANG JINKO ENERGY STORAGE CO LTD

Data center intelligent harmonic dynamic compensation method and system

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.
Owner:TIANJIN UNIV

Refrigeration equipment control method and system for communication machine room

The invention discloses a refrigeration equipment control method and system for a communication machine room, and relates to the field of heat dissipation control, and the method comprises the steps: obtaining machine room indoor temperature and equipment heating data of the communication machine room, and determining a preset refrigeration index according to the machine room indoor temperature and the equipment heating data; the operation parameters of the air conditioning equipment are adjusted to refrigeration operation parameters; when the temperature difference value between the indoor temperature of the machine room and the outdoor environment temperature is higher than a preset starting threshold value, starting parameters of the natural cold energy exchange unit are determined; the natural cold energy exchange unit is controlled to operate according to the starting parameters, and operating parameters of the air conditioning equipment are adjusted to be optimized operating parameters; determining a temperature change trend curve of the outdoor environment temperature based on the weather forecast information, and determining an optimization adjustment node according to the temperature change trend curve; and when the adjusting nodes are optimized, the starting parameters of the natural cold energy exchange unit and the operation parameters of the air conditioning equipment are adjusted. By implementing the application, the energy use of the refrigeration equipment in the communication machine room can be saved.
Owner:BEIJING XINANTE FAN CO LTD

Liquid cooling resource intelligent distribution regulation and control method and system

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.
Owner:GUIZHOU POWER GRID CO LTD