30602results about "Cooling/ventilation/heating modifications" patented technology

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.

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.

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.

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.

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 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 cold plate-immersion liquid cooling cooperative heat dissipation method based on steam zone coupling modeling, and relates to the technical field of cooperative heat dissipation. Comprising the following steps of S1, collecting collaborative heat dissipation monitoring data of each key position in real time, and performing data preprocessing; s2, the comprehensive risk of the steam area is judged, and a risk cooling adjustment instruction is issued according to the comprehensive risk judgment result; s3, receiving a risk cooling adjustment instruction, carrying out collaborative heat dissipation, evaluating the collaborative heat dissipation capability, adjusting the rotating speed of a circulating pump and the opening degree of a valve, and requesting condensation backflow adjustment; s4, judging the adjusting quantity of condensation reflux, executing reflux adjustment and performing safety monitoring; and S5, continuously monitoring the data of each link, and carrying out anomaly detection on the state of each link to realize anomaly regulation and control. The problems that in an existing single-phase cold plate or two-phase immersion liquid cooling mode, steam accumulation is prone to occurring in a high-heat-flow scene, so that the pressure intensity is increased, the boiling point is increased, and the heat exchange efficiency is reduced, and then the operation reliability of equipment is affected are solved.

The invention discloses a waste heat recovery scheduling method and system for a two-phase cold plate of a data center, and relates to the technical field of refrigeration and heat management. The waste heat recovery scheduling method and system for the two-phase cold plate of the data center comprises the following steps that S1, key thermal parameters and tail end state variables are collected through multiple types of thermal monitoring devices, and thermal state monitoring data are obtained and preprocessed; s2, on the basis of the thermal state monitoring data and in combination with an SLA configuration file, performing priority division on the heat utilization terminals, and constructing a scheduling deviation judgment mechanism to identify thermal state changes; s3, under driving of the regulation and control instruction, accessing multi-source waste heat and distributing the multi-source waste heat to each terminal scene, and evaluating a matching condition of the waste heat and a terminal demand; and S4, based on the change of the heat distribution state and the thermal state monitoring data, identifying an overload risk in combination with a multi-parameter linkage mechanism. The problems that waste heat recovery is insufficient and the energy utilization rate is limited under the light-load and multi-heat-source cooperative working condition are solved.

The invention discloses a heat dissipation driver and electronic equipment, and relates to the technical field of electronic equipment heat dissipation, the heat dissipation driver comprises a frame, a magnetic circuit system, a vibration system and a flow adjusting assembly, the vibration system comprises a vibrating diaphragm and a coil, the coil is located in a magnetic field of the magnetic circuit system, and the outer edge of the vibrating diaphragm is connected with the frame; the vibrating diaphragm, the magnetic circuit system and the frame define a rear cavity, and the vibrating diaphragm is provided with a communication hole communicated with the rear cavity. When the vibrating diaphragm vibrates in the direction close to the magnetic circuit system, the flow adjusting assembly is in an open state, and the flow adjusting assembly is exposed out of the communicating hole so that airflow in the rear cavity can flow out of the rear cavity through the communicating hole. When the vibrating diaphragm vibrates in the direction away from the magnetic circuit system, the flow adjusting assembly is in a closed state, and the flow adjusting assembly blocks the communicating hole, so that airflow in a heat source area of the equipment flows into the rear cavity, and heat dissipation of the equipment is achieved.

The invention relates to the technical field of liquid cooling server cabinets, in particular to a server liquid cooling branch flow regulation and control method based on impeller rotating speed, which comprises the following steps: analyzing branch cooling liquid flow requirements according to the target heat dissipation effect of each branch server, and further analyzing the output flow of a cooling distribution unit; according to an analysis module in the centralized controller, the theoretical rotating speed of a driving motor of each branch flow adapter is analyzed; checking the feasibility of a preset heat dissipation strategy according to the analysis result; and introducing a real-time feedback mechanism to dynamically compensate and correct the branch flow according to the inherent deviation between the ideal model and the actual working condition. Based on the method for regulating and controlling the flow of the liquid cooling branch of the server, differential regulation and control strategies of all the servers are combined, the rotating speed of the driving motor is precisely regulated through the integrated controller, self-adaptive distribution of the flow of the cooling liquid is achieved, and the dynamic heat dissipation requirement in a liquid cooling server cabinet is met.

The invention relates to the technical field of industrial equipment temperature control, and discloses a temperature control system, which comprises a multi-source state sensing module for acquiring a power load, temperature, humidity and feedback temperature; the feed-forward prediction and analysis module is used for generating a feed-forward signal based on the load and the temperature; the closed-loop feedback and safety guarantee module is used for calculating a feedback signal according to the temperature deviation; the cooperative control decision module combines the feed-forward signal and the feedback signal to generate a fan instruction, and generates a baffle instruction for balancing heat dissipation and regeneration according to the feed-forward signal and humidity; the self-adaptive heat dissipation execution module is used for executing a fan instruction to generate cooling airflow; and the dynamic energy regeneration module executes a baffle instruction to distribute the waste gas flow direction. According to the method, the power load is introduced to serve as a prospective index, correction is conducted in combination with the environment temperature, a predictive heat dissipation control model is constructed, the system can start heat dissipation adjustment before a large amount of heat is generated, and therefore smooth and stable control over the equipment temperature is achieved.

The invention discloses a liquid cooling heat dissipation system, a working method of the liquid cooling heat dissipation system and electronic equipment, and relates to the technical field of heat dissipation, the system is applied to the electronic equipment, and the system comprises an infrared thermal imaging assembly, a management control module and a heat dissipation pipeline; the infrared thermal imaging assembly is used for collecting a thermal image of the electronic equipment and uploading the thermal image of the electronic equipment to the management control module; the management control module comprises a heat dissipation regulation and control module which is used for determining the temperature values of the heat dissipation pipeline and the target device in the electronic equipment based on the thermogram and regulating and controlling the flow speed of the cooling medium in the heat dissipation pipeline based on the temperature values of the heat dissipation pipeline and the target device, so that dynamic control over the flow of the cooling medium is achieved, and the cooling efficiency is improved. The technical problems of cooling medium resource waste and low heat dissipation efficiency caused by the fact that the flow of the cooling medium cannot be dynamically adjusted in the prior art are solved, and the technical effects of avoiding cooling medium resource waste and improving the heat dissipation efficiency are achieved.

The invention discloses a wind-solar complementary energy storage direct current charging method and system based on liquid cooling heat dissipation, and relates to the technical field of energy storage charging. Comprising the following steps: S1, collecting wind-solar complementary energy storage data in real time, and carrying out data preprocessing; s2, converting wind-solar power generation into direct current, judging the flow direction of wind-solar power generation energy, and performing corresponding wind-solar power generation energy transmission power supply; s3, judging the limit of the output power of the charging pile, and controlling and adjusting the output of the charging pile in stages; s4, quantifying the liquid cooling flow required by heat dissipation, and performing heat source heat dissipation on the energy storage system and the charging pile; and S5, carrying out coordinated regulation and control, strategy optimization and multi-dimensional visualization on the flow direction of wind and light power generation energy, charging pile output and heat source heat dissipation. The problems that an existing charging station is difficult to deploy in remote and power transmission difficult areas, high-power charging heat dissipation and energy efficiency bottlenecks are prominent, and the efficiency of traditional air cooling and alternating current conversion is low, so that efficient, safe and green energy supplementation is difficult to achieve are solved.

The invention discloses a thermal balance control method for a liquid cooling charging module, and relates to the technical field of power electronics, and the method comprises the steps: deploying a multi-dimensional distributed temperature sensing array in a key heating region of the liquid cooling charging module; original data are acquired through the temperature acquisition module and transmitted to the temperature field reconstruction module, a three-dimensional dynamic temperature field model is constructed by using a spatial interpolation algorithm, and temperature values, temperature gradients and temperature difference distribution of all regions are output in real time; the thermal balance control module compares the model output data with a preset temperature threshold value and a temperature difference threshold value, and if the threshold value exceeding condition exists, a regulation and control instruction is sent to a partition cooling execution unit; the subarea cooling execution unit comprises three independent branches (corresponding to key areas), and each branch realizes accurate adjustment through an independent electromagnetic flow valve and a variable frequency water pump; and the steps are circulated until the temperatures of all the key areas reach the standard and the temperature difference of the adjacent areas meets the standard, so that the heat balance precision and the operation safety of the liquid cooling charging module are effectively improved.

The invention discloses a water-cooling energy consumption adaptive regulation and control method suitable for a data center, and the method comprises the following steps: obtaining a multi-dimensional operation parameter set of the data center in real time, and generating a real-time thermal load density distribution diagram reflecting the heat distribution condition in a machine room; calculating the overall thermal deviation degree and the local hot spot intensity, and solving through a dynamic energy efficiency optimization function to obtain a target system supply and return water temperature difference and a target cooling liquid flow; inputting into a hydraulic and thermodynamic simulation model, and generating an optimal multi-device coordinated regulation instruction set; and executing the multi-device coordinated regulation instruction set, and then performing parameter calibration on the hydraulic and thermodynamic simulation model. The method has the following advantages and effects that the thermal environment of the machine room can be sensed in real time, the energy consumption and heat dissipation requirements can be intelligently balanced, and multiple devices in the cooling system can be cooperatively regulated and controlled, so that the overall energy consumption of the cooling system is optimized while the local overheating risk of the machine room is thoroughly eliminated.

A cooperative control optimization method suitable for a near-field fan wall micromodule, comprising the following steps: step 10: obtaining IT system scheduling data and air-conditioning system data of the near-field fan wall micromodule within a preset period of time, and separately establishing a micromodule server real-time power model, an air-conditioning system power model, and a rapid server temperature prediction model; and step 20: performing cooperative control on deployment of virtual machines and an air-conditioning system by using an optimization method of combining real-time joint optimization and timed decoupling optimization based on the micromodule server real-time power model, the air-conditioning system power model, and the rapid server temperature prediction model. The present invention provides a cooperative control optimization method suitable for a near-field fan wall micromodule, to resolve the technical problem that local hot spots and overcooling are prone to occur during energy-saving scheduling of a near-field fan wall micromodule.

The invention discloses a morning orbit computing power satellite, and belongs to the field of aerospace technology and space infrastructure. The satellite comprises a satellite platform and a computing force load arranged on the satellite platform. The satellite platform is provided with a condensation type energy system and a space pump drive fluid loop system. The condensation type energy system adopts an expandable condensation type solar cell array to generate power, switches a power supply mode according to an illumination period and an earth shadow period of a morning and night orbit, and supplies power to computing force loads and platform equipment. The space pump drive fluid loop system adopts an expandable flexible radiation cooling plate for heat dissipation, heat dissipation is conducted on computing force loads through a fluid loop, and a heating assembly is arranged to prevent a working medium from being frozen under the low-temperature working condition. Through the expandable structure and the orbit environment adaptability design, continuous energy supply and effective heat management are provided for the computing power load in the morning and night orbit environment, and high-power-consumption computing power load in-orbit stable operation is supported.

The invention discloses a two-phase cold plate heat dissipation control method and system based on vibration and flow coordinated regulation and control, and relates to the technical field of liquid cooling heat dissipation. The two-phase cold plate heat dissipation control method and system based on vibration and flow collaborative regulation and control comprises the steps that S1, cold plate collaborative heat dissipation data is collected in real time, and the cold plate collaborative heat dissipation data is preprocessed; s2, the heat dissipation degradation degree of the two-phase cold plate is evaluated, heat dissipation state classification judgment is executed, and a regulation and control instruction is issued; s3, executing the control instruction, evaluating the regulation and control response state of the cooling path, judging the regulation and control effect, and triggering a time-sharing coordinated regulation and control strategy; and S4, whether heat dissipation of the cooling path fails or not is judged, the thermal degradation trend of the two-phase cold plate is evaluated, and a liquid path switching strategy is executed. The problems that in an existing cold plate liquid cooling heat dissipation technology, oil films are generated by cooling liquid due to temperature changes, the oil films are prone to being attached to the inner walls of micro-pore channels, flowing is blocked, the heat exchange efficiency is reduced, and local overheating and unstable equipment performance are further caused are solved.

Systems and methods are provided for temperature regulation of electronic devices. An example system may include a distribution manifold including entrance flow passages and exit flow passages. Further, the system may include a heat transfer plate including heat transfer surfaces defining a plurality of gaps therebetween. The entrance flow passages may deliver heat transfer fluid to the plurality of gaps, and the exit flow passages may receive the heat transfer fluid from the plurality of gaps.

The invention provides a data center IT load and cooling system cooperative control method based on a TD3 algorithm, and relates to the field of deep reinforcement learning, and the method comprises the steps: obtaining an initial data set representing the server state, environment and task characteristics of a data center, and processing the initial data set to obtain a target data set; building a deep reinforcement learning model which is based on a TD3 algorithm and comprises a strategy network Actor and a value network Critic, and determining a state space, an action space and a reward function of the model; training the model to obtain a target model; and outputting a work task allocation strategy and a cooling system regulation and control strategy through interaction of the target model and the environment. According to the target model, by outputting the work task allocation strategy and the cooling system regulation strategy, work task allocation can be guided, operation of the cooling system can be controlled, the IT load of the server and refrigeration balance of the cooling system are achieved, safe and stable operation of the server is ensured, and energy consumption of the cooling system is reduced.

The technology described herein is directed towards one or more modular metasurfaces arranged with unit cells for sound absorption, in which the unit cells are based on Helmholtz resonators that are deployed proximate to a server, without substantially obstructing airflow from the server fan(s). Each sound absorbing unit-cells is designed and constructed based on a specific resonance frequency, and includes a neck portion and air chamber dimensioned to resonate at the desired resonance frequency and thereby inverse phase cancel corresponding narrowband frequencies of incoming sound waves. The metasurfaces can be arranged in a modular frame structure of surrounding unit cells, positioned behind the server's fan(s), with an opening in the frame structure to facilitate airflow therethrough, without obstructing or substantially obstructing the airflow to the surrounding environment.

The invention relates to the technical field of data processing, and provides a multi-mode water-cooling heat dissipation system and method.The thermal load urgency degree is generated by obtaining the temperature change rate and the thermal power density of a component in real time, the running state of the component is monitored, and a user scene identifier is output; comparing the temperature difference value of the cooling liquid at the inlet and outlet of the radiator with the cooling liquid flow to estimate the instantaneous heat dissipating capacity; predicting a temperature change track based on the thermal load urgency degree and the user scene identifier, calibrating the temperature change track in combination with the instantaneous heat dissipation amount, determining a candidate mode set and an optimization weight through the user scene identifier, and selecting a target heat dissipation mode; temperature distribution of different areas of the radiator is obtained according to the target heat dissipation mode so as to distribute the target rotating speed of the fan, respond to the local high heat load, control the multi-way valve to dynamically adjust the topological structure of the cooling liquid flowing path and distribute the cooling liquid flow, and deep cooperation of the fan and the cooling liquid is achieved.

The technology described herein is directed towards modular metasurfaces arranged with unit cells for narrowband, wideband and / or multiband sound absorption, in which the unit cells are based on Helmholtz resonators that are deployed in a server rack, proximate to a server, without substantially obstructing airflow from the server fan(s). Each sound absorbing unit-cells is designed and constructed based on a specific resonance frequency, and includes a neck portion and air chamber dimensioned to resonate at the desired resonance frequency and thereby inverse phase cancel corresponding narrowband frequencies of incoming sound waves. Differently-dimensioned unit cells can be built into a single metasurface module, thereby facilitating wideband and / or multiband sound absorption with that metasurface. The modular metasurfaces can be attached to the sidewalls of a server rack, or positioned in otherwise empty slots above and below a server, optionally coupled to blanking panels for covering the openings of those slots.

A cable adapter for a server chassis is disclosed. The cable adapter comprises an adapter body having a first surface with a key slot. The key slot is configured to receive a key rib on a busbar clip of the server chassis. A pair of latches are pivotably attached to opposite sides of the adapter body. Each latch has a latch arm that extends across an open end of the adapter body when in a closed position. The latch arms are configured to engage one or more latching ribs on the blades of the busbar clip such as by hooking around the latching ribs. A pair of connectors inside the adapter body configured to engage blades of the busbar clip.

The invention relates to a thermosyphon-assisted natural circulation multistage liquid cooling method, which comprises the following steps of: arranging a double-layer heat exchange interface consisting of a lower high-heat-conduction layer and an upper low-heat-conduction layer in a heat source adjacent area to form a local temperature rise abrupt change area; when the temperature reaches a working liquid boiling threshold value, a local thermosyphon flow jump is generated to drive liquid circulation, and the thermosyphon flow jump has the periodic retriggering capacity by adjusting the material and structure parameters of the double-layer heat exchange interface; a plurality of distributed impedance regulation and control nodes are sequentially arranged along a flowing path of the thermosyphon, so that a flow difference is established between adjacent nodes; multiple stages of thermosyphon cavities are arranged on a flowing path in series, and the starting time sequences of the adjacent thermosyphon cavities are matched to achieve stage-by-stage progressive syphon driving. The condensate is adhered and flows stably in a liquid film form in a condensation outlet area of the last-stage thermosyphon cavity; a liquid turning buffer area is arranged behind a condensation outlet, condensate is guided to a mild backflow path, and closed-loop natural circulation is completed.

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 a plurality of integrated driving modules, part of the driving modules are electrically connected with the power motor so as to control the power 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 and the heat dissipation 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.

The invention discloses a driver controller detection system, which comprises an acquisition module, an acquisition module, a processing module, an identification module, a judgment module, an analysis module and a generation module, the acquisition module captures contact information and electromagnetic interference data of contacts in real time by means of a high-dynamic voltage sensor and a broadband EMC probe; the acquisition module is triggered by a locomotive signal and records dynamic working condition data; the processing module aligns the data, performs denoising and extracts fault parameters; the identification module scans the voltage waveform and judges the transient contact failure; the judgment module monitors EMC data and compares an instruction position, and judges misoperation; the analysis module analyzes fault association, judges a composite type and triggers an alarm; the generation module generates a detection report and a log. According to the system, a multi-dimensional monitoring network is constructed under a dynamic working condition, data reliability is guaranteed, faults are accurately identified, a compound fault source is positioned, and the safety and stability of locomotive operation are improved through risk grading early warning and automatic reporting.

The invention relates to an electrical / electronic component (10) for a motor vehicle, comprising a housing (12) enclosing a receiving space (14), at least one electrical or electronic component (16) which is received in the receiving space (14), a heat conducting element (18) which is arranged on a surface of the component (16) to be cooled and is designed to conduct heat away from the component (16), and a coolant guide device (20) which is configured to guide a dielectric coolant (22) to the heat conducting element (18), whereby the heat conducting element (18) can be exposed to and surrounded by the coolant (22), whereby heat can be transferred from the heat conducting element (18) to the coolant (22).

The invention relates to the technical field of liquid cooling heat dissipation, in particular to a liquid cooling fin type heat dissipation structure for a processor and a manufacturing method.The liquid cooling fin type heat dissipation structure comprises a composite fin unit, a nano-porous thermal interface layer and a double-phase cooling runner, and the composite fin unit is composed of a plurality of heat dissipation fins; the heat dissipation fins are made of a silicon carbide particle reinforced copper-based double-gradient nano-structure composite material; the nano-porous thermal interface layer is arranged on the outer surface of the heat dissipation fins; the double-phase cooling flow channel is arranged in the heat dissipation fins and comprises a main cooling channel, a micro-jet branch pipe and a spiral fractal flow channel. According to the double-phase cooling flow channel, the main cooling channel, the micro-jet branch pipes and the spiral fractal flow channel are matched with one another, the main cooling channel extends in the length direction of the fins, it is ensured that cooling liquid can evenly flow in the fins, the contact area of the cooling liquid and the fins is increased, and the cooling efficiency is improved.