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643 results about "Thermal control" patented technology

Cooking and processing system for fermented glutinous rice cake chili based on temperature feedback

The invention relates to the technical field of food processing, in particular to a cooking and processing system for fermented glutinous rice cake chilies based on temperature feedback. In the hot pepper cooking treatment process, the temperature distribution of the temperature control points with different heights in the cavity is obtained and the layered gradient difference value sequence is constructed, so that the space difference of the temperature change in the cavity can be effectively identified, and further the advance or lag state of the heat response is periodically judged; on the basis, time sequence structure data are constructed according to the top and bottom temperature and pressure change sequences, and the upper and lower layer pressure response relevance is identified in a trend matching mode, so that the hot-pressing state prediction is closer to the real change process, and the accuracy of hot-pressing state prediction is improved. Finally, the opening and closing frequency and direction of a hot air circulation channel are rhythmically scheduled based on a prediction result, balance and smoothness of internal hot air circulation are ensured, and the thermal control precision and the hot-pressure adjusting capacity in the cooking process are enhanced in the whole process.
Owner:SICHUAN SHUJIA BREWING FOOD CO LTD

Air source heat pump heating method and system

The invention provides an air source heat pump heating method and system, and relates to the technical field of heat pump system thermal control, and the method comprises the steps: collecting evaporator surface frost layer thickness, environment temperature and humidity parameters in real time, inputting the parameters to a pre-trained neural network algorithm model, and identifying a frosting rate by analyzing a multi-factor nonlinear relation; predicting a future frosting development trend, and outputting frosting thickness increase prediction and severity degree results; and according to the frosting thickness increase prediction and the severity degree result, reverse circulation defrosting is started in advance when the frost layer does not reach the critical thickness, and optimal control over the defrosting process is achieved by adjusting the opening degree of the four-way valve and the rotating speed of the draught fan, so that the system state after defrosting is obtained. The energy efficiency of the system is improved, and the heating comfort is optimized.
Owner:LIAONING POWER INVESTMENT SMART ENERGY CO LTD

Aircraft aerodynamic performance analysis method

The invention discloses an aircraft aerodynamic performance analysis method, which comprises the following steps: constructing a multi-dimensional parameterized model integrating aerodynamic / structure / thermal control, and outputting a global design space; based on a global design space, fusing sparse fluid dynamics and engineering data to train an agent model, and verifying the cross-speed domain reliability; decoupling the centroid / lift-drag ratio / thermal load conflict by using the proxy model, and generating a speed domain adaptive configuration library; executing fluid-structure-thermal field strong coupling simulation by utilizing a shock wave-boundary layer self-adaptive grid technology aiming at the speed domain self-adaptive configuration library; based on a fluid-structure-thermal field strong coupling mechanism, utilizing a dynamic sensing technology to predict the aerodynamic performance of the aircraft; and integrating dynamic prediction data and digital simulation, calibrating model parameters, and outputting an aerodynamic performance report and an optimization scheme. According to the method, the problems of insufficient multi-physical field integration, low cross-speed domain reliability, poor configuration self-adaption and low coupling simulation precision in aerodynamic performance analysis of a traditional aircraft are solved.
Owner:上海多弗众云航空科技有限公司

Plastic part injection mold regulation and control system and method based on complex curved surface and thin-wall structure

The invention relates to the technical field of injection molding, and discloses a plastic part injection mold regulation and control system and method based on a complex curved surface and a thin-wall structure, and the plastic part injection mold regulation and control system based on the complex curved surface and the thin-wall structure comprises a mold modeling module, a temperature modeling module, a control modeling module, a control optimization module and a control execution module; the plastic part injection mold regulation and control method based on the complex curved surface and the thin-wall structure comprises the steps that a mold three-dimensional model and thermal control area mapping are built, a heat conduction model is built, modal dimensionality reduction is conducted, a target temperature field and a performance function are combined, optimal temperature regulation and control are achieved through a predictive control algorithm, real-time feedback is matched, and a heating and cooling unit is driven. And dynamic closed-loop control of the mold thermal field is realized. According to the method, thermal control precision and energy consumption efficiency are optimized through Galerkin modal dimension reduction, model predictive control and a weighted performance function, global closed-loop temperature control is achieved by combining mapping of a three-dimensional area and a heating and cooling unit of the mold, and system safety and stability are enhanced.
Owner:CHONG QING MEI TAI SU JIAO GU FEN YOU XIAN GONG SI

Building composite phase change material intelligent matching and optimizing method based on large language model

The invention discloses a building composite phase change material intelligent matching and optimizing method based on a large language model, and belongs to the technical field of building energy saving and intelligent material design. Basic thermophysical property data, building environment parameter data and user demand data are collected; a deep reinforcement learning technology is utilized to construct an intelligent model based on a deep Q network strategy, and generated data samples are integrated into a thermophysical property database; outputting a candidate material combination recommendation scheme by adopting a large language model; evaluating the candidate material combination recommendation scheme by using the semantic tag vector and a sorting engine to obtain a performance evaluation result; generating a performance evaluation report according to the simulation model; a multi-agent negotiation algorithm is adopted, cross-regional thermal control performance is optimized, a multi-dimensional performance comparison diagram and tuning suggestions are generated, correction information of designers is recorded, optimization is carried out, and feedback is provided in a self-adaptive mode. According to the method, the building composite phase change material combination is screened, cross-regional thermal control is optimized, adaptive schemes and suggestions are output, and the self-adaptive optimization capability of the system is improved.
Owner:SANYA SCI & EDUCATION INNOVATION PARK WUHAN UNIV OF TECH

Thermal control instrument fault self-diagnosis system based on multi-source data fusion

The invention discloses a thermal control instrument fault self-diagnosis system based on multi-source data fusion, and relates to the technical field of prediction and health management. The thermal control instrument fault self-diagnosis system based on multi-source data fusion comprises the following steps: a data collection and arrangement module used for collecting thermal control state data in real time and preprocessing the thermal control state data; the feature construction and extraction module is used for performing thermal deviation anomaly judgment on the preprocessed thermal control state data; the state intelligent evaluation module is used for performing temperature trend comparison on the thermal control state data after the thermal deviation abnormity judgment; the diagnosis linkage control module is used for fusing thermal deviation abnormity judgment and a temperature trend comparison result to execute control and participate in adjustment; and the result displaying and filing module is used for sorting and recording the measuring point diagnosis result and the processing state. The problems that false alarm is caused by wall temperature thermocouple signal drifting and abrupt change, fusion analysis of adjacent measuring points and operation states is lacked, and real overheating and instrument faults are difficult to distinguish are solved.
Owner:YUHENG POWER STATION OF SHAANXI HUADIAN YUHENG COAL POWER CO LTD

Satellite cabin load layout optimization method based on quantum algorithm

The invention relates to a satellite cabin load layout optimization method based on a quantum algorithm, and the method comprises the following steps: listing a mathematical expression form of an optimization target and a limiting condition according to a satellite cabin load layout requirement, and generating a constraint optimization problem model; wherein the optimization target and the limiting condition at least comprise a satellite quality characteristic requirement, a space geometric compatibility requirement, a thermal control requirement, an electromagnetic compatibility requirement, an installation and maintenance requirement and an installation position requirement of special instrument equipment; converting the layout constraint optimization problem mathematical model into an optimization objective function in a secondary unconstrained binary optimization form; solving the optimization objective function by using a quantum optimization algorithm to obtain an optimization vector; and calculating the load position and attitude of the satellite cabin by optimizing the vector, and carrying out inversion to obtain a final satellite cabin load layout scheme. According to the method, the non-deterministic polynomial problem of satellite cabin load layout optimization can be solved in an accelerated manner by utilizing the characteristics of superposition, entanglement, interference and the like of quantum bits, and a new technical approach is provided for improving the design efficiency of a satellite cabin load layout optimization scheme.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY

Synchronous temperature control method for co-extrusion molding of multi-layer polymer film

The invention discloses a synchronous temperature control method for co-extrusion molding of a multilayer polymer film, and relates to the technical field of high polymer material processing, and the method comprises the following steps: setting a target temperature interval of each polymer layer of the multilayer polymer film, and according to the melting characteristics, heat sensitivity and interface bonding requirements of each layer of material, setting a target temperature interval of each polymer layer of the multilayer polymer film; respectively determining an extrusion temperature set value and an allowable fluctuation range; through layered independent temperature control and preheating matching, thermal behavior synchronization of multiple polymer melts is achieved, and the interface bonding stability is improved; through a die head heat insulation and buffer structure, interlayer heat interference is effectively shielded, and the integrity of a functional layer is guaranteed; through the intelligent closed-loop temperature control system, the state of each temperature control area is predicted and adjusted in real time, and self-adaptive optimization of thermal control is achieved. And the co-extrusion quality, the consistency and the production intelligent level of the multi-layer film are integrally improved.
Owner:CHAOHU UNIV

Assembly line for batch production of stack type micro-nano satellites and assembly method

The invention discloses an assembly line and an assembly method for batch production of stacked micro-nano satellites, belongs to the technical field of batch production of satellites, and particularly relates to the assembly line and the assembly method suitable for batch production of the stacked micro-nano satellites. The problems that an existing satellite is low in production (assembly) efficiency, high in cost and long in period are solved. The method comprises the following steps: performing single-machine thermal control implementation and component assembly to form a single-machine component; cabin section assembling is conducted, and a complete cabin section module is formed; carrying out platform cabin closing to form a complete whole-satellite platform; butting the upper cabin and the lower cabin of the load to form a satellite in a middle state; and solar wing assembly is carried out to form a final whole satellite in a to-be-launched state. The assembly line for batch production of the stack type micro-nano satellites and the assembly method are suitable for batch production of the stack type micro-nano satellites.
Owner:HARBIN GONGDA SATELLITE TECH CO LTD

Dead steam source high-temperature steam heat pump testing system based on heat energy cyclic utilization

The invention provides a waste steam source high-temperature steam heat pump testing system based on heat energy cyclic utilization, and belongs to the field of compression heat pumps. The invention aims to solve the problems of unstable heat supply in a high-temperature lift, low energy efficiency of an evaporation end, poor temperature control effect of a low-level heat source side and limited thermal control means of an experimental platform. The system comprises a condenser, an expansion valve, a liquid storage tank, an evaporator, a compressor, a water spraying cooling tank, a steam pressure reducing valve, a circulating pump and a regulating valve, or a water mixing cooling tank and a heat supply liquid storage tank are additionally arranged, so that the dynamic balance and control of the temperature of the hot end of the system are realized; or a steam pressure reducing valve is replaced by a steam-water heat exchanger, so that heat exchange is carried out on condensed steam and working medium water to realize mild cooling, and redundant energy consumption is avoided; or a bypass adjustable shunting loop is arranged, so that partial high-temperature backwater bypass mixing is realized, and the thermal matching property and the operation stability of the system are enhanced. According to the invention, the output temperature of over 100 DEG C is realized, and the universality and debugging flexibility of experimental system design are realized.
Owner:HARBIN INST OF TECH

Interventional therapy path planning system based on ultrasonic imaging

The invention discloses an interventional therapy path planning system based on ultrasonic imaging, and relates to the technical field of interventional therapy systems.An image acquisition module acquires a two-dimensional or three-dimensional ultrasonic image of an operation area, and standardized input of image data is achieved; the structure identification module executes a medical image segmentation task based on the ultrasonic image and identifies a key anatomical structure in the image; the geometric modeling module constructs a three-dimensional space model according to the structure recognition result; the thermal simulation prediction module comprises a heat conduction simulation sub-module and a thermal parameter dynamic adjustment sub-module; the temperature feedback module reconstructs a three-dimensional temperature field image in the target tissue based on the tissue temperature feedback signal; the parameter updating module executes real-time updating of heat conduction parameters based on the residual error between the predicted temperature field and the observation temperature field collected by the temperature feedback module; the problems that in existing interventional therapy, thermal control precision is low, path planning depends on experience, and tissue dynamic changes are difficult to deal with are effectively solved.
Owner:WUXI PEOPLES HOSPITAL

High-temperature test method for power semiconductor device

The invention discloses a high-temperature test method for a power semiconductor device, and relates to the technical field of quantum thermal control, and the method comprises the steps: collecting a temperature field and surface conductivity data of an edge region of the power semiconductor device in real time, and synchronously applying an electric stress of a specified working voltage to the power semiconductor device; an internal thermal displacement field is reconstructed based on the temperature field, a calibration thermal displacement field is generated, and the topological number of the edge area is calculated in combination with the surface conductivity data; generating a thermal failure risk distribution map according to the spatial position of the peak value of the thermodynamic entropy yield, and locking a high-entropy variable power dense region; and the electric stress applying direction is dynamically adjusted in association with the high-entropy variable power dense area, and a thermal failure diagnosis report is output after a full-period high-temperature test is completed. According to the method, submicron-level real-time positioning of the thermodynamic entropy generation peak value under the high-temperature working condition is achieved through collaborative mapping of the quantized calibration thermal displacement field and the tensor field of the classic temperature gradient.
Owner:弘润半导体(苏州)有限公司

Engineering machinery water-cooled permanent magnet motor with double-heat-pipe coupling cooling

The invention relates to a high-power water-cooling permanent magnet synchronous motor for engineering machinery, in particular to a high-efficiency heat dissipation motor system adopting a double-heat-pipe coupling cooling structure, which is characterized in that array flat heat pipes and high-speed working condition self-backflow rotating heat pipes are respectively integrated in a stator and a rotor, so that stator-rotor double-channel, phase-change and rapid heat conduction is realized; and the thermal control capability and reliability of the motor are improved. According to the motor, a plurality of ultrathin flat heat pipes are symmetrically arranged on the outer circle of a stator and are in one-to-one correspondence with winding notches, so that a rapid and efficient stator heat conduction path is formed; and meanwhile, the hollow rotating shaft made of sintered copper powder is designed into a rotating heat pipe structure, so that the heat of the rotor can be quickly transferred to the water-cooling casing through a bearing area, and the efficient cooling of the rotor assembly is realized. The double-heat-pipe structure constructs a stator and rotor independent heat dissipation channel through a phase change heat transfer mechanism, motor size constraint is not changed, temperature rise of windings and permanent magnets is remarkably reduced, heat balance and system stability are improved, and the double-heat-pipe structure is particularly suitable for high-load working conditions such as engineering machinery.
Owner:JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD

Multi-physical-field coupled roasted eel cooking degree prediction and real-time temperature control system

The invention provides a multi-physical field coupled roasted eel cooking degree prediction and real-time temperature control system and method. The system comprises a tunnel type oven, an image acquisition module, an image synchronization and fusion module, a carbonization identification module, a temperature correction module, a cooking degree prediction module, a partition temperature control adjustment module, a conveyor belt speed control module and a system controller. The system fuses hot air convection and infrared radiation to form a coupled thermal field, obtains multi-mode information of a fish body by combining visible light and infrared imaging, realizes thermal-optical field collaborative perception through image fusion, carbonization identification and temperature correction, constructs a deep cooking degree prediction model based on multi-source features, drives thermal control and dynamic adjustment of a conveying strategy, and realizes deep cooking degree prediction. The accurate evaluation of the cooked degree of the roasted eel and the active intervention of the carbonization trend are realized, and the roasting uniformity and the product consistency are obviously improved.
Owner:CHANGLE JUQUAN FOOD

High-thermal-stability temperature control structure of space camera main system

The invention relates to the technical field of thermal control of spacecrafts, and particularly provides a high-thermal-stability temperature control structure of a space camera main system, which comprises a first thermal insulation layer, a second thermal insulation layer, a third thermal insulation layer and a truss, and is characterized in that the first thermal insulation layer covers the inner wall of the space camera main system and has high solar spectrum absorptivity and high infrared spectrum emissivity; the second heat insulation layer wraps the outer wall of the space camera main system and has low solar spectrum absorptivity and low infrared spectrum emissivity; a truss is further installed on the outer side of the space camera main system in the circumferential direction, a third heat insulation layer is arranged on the truss, and the third heat insulation layer has the low solar spectrum absorption rate and the high infrared spectrum emissivity. The multi-stage thermal insulation structure is utilized to improve the inhibition capability of the camera main system temperature control structure on the influence of the external thermal environment, and the influence of external heat flow change on the temperature stability of the camera main system is effectively reduced.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Single-phase immersion battery intelligent thermal management control method and device for energy storage power station

The invention discloses a single-phase immersion battery intelligent thermal management control method and device for an energy storage power station, and relates to the technical field of battery thermal control. The intelligent thermal management control method and device for the single-phase immersed battery for the energy storage power station comprises the steps that S1, battery state data and external environment data in the operation process of the energy storage power station are collected and preprocessed, and a standardized thermal state data set is constructed; s2, performing working condition evaluation on the current working condition state by combining the battery heat flow density, and dynamically adjusting the flow direction of the cooling liquid; s3, the current heat exchange load and the phase state safety boundary are comprehensively analyzed, and the valve opening degree is driven to change; and S4, carrying out stability evaluation on the local thermal stability, and adjusting a power supply loop safety response strategy in real time. The problems that a traditional heat management system lacks the bidirectional regulation and control capacity for coping with wide-temperature-range extreme climate and cannot give consideration to the collaborative requirements of high-temperature heat dissipation and low-temperature heat supply, and consequently system structure redundancy, energy consumption increase and operation and maintenance complexity are caused are solved.
Owner:TIANJIN TIER TECHNOLOGY CO LTD

Grey wolf algorithm flue gas waste heat control method and system introducing exhaust gas temperature prediction constraint

The invention discloses a grey wolf algorithm flue gas waste heat control method and system introducing exhaust gas temperature prediction constraint, and the method comprises the steps: firstly building a thermodynamic simulation model of a flue gas waste heat system, collecting the working condition data of a unit in real time, and calibrating the model; under the targets of power supply coal consumption minimization, waste heat recovery rate maximization and the like, an exhaust gas temperature prediction result is used as a dynamic constraint, a grey wolf optimization algorithm is adopted to carry out multi-target optimization on parameters such as the opening degree of a flue gas baffle, the water supply distribution proportion of an economizer and the water flow of an air heater, and multiple regression or a BP neural network model is utilized to predict the exhaust gas temperature. If the predicted value is lower than the safety lower limit, dynamically adjusting the search direction to avoid an infeasible solution; and an optimization result is issued on line through a DCS system, and closed-loop control is realized. Compared with the prior art, on the premise that the safety of the exhaust gas temperature is guaranteed, the waste heat utilization rate is remarkably increased, power supply coal consumption is reduced, the capacity of adapting to different coal qualities and load fluctuations in a self-learning mode is achieved, and the good engineering application prospect is achieved.
Owner:XIAN THERMAL POWER RES INST CO LTD

Comprehensive test system and method for clothing radiation and convection heat dissipation mechanism research

The invention discloses a comprehensive test system and method for clothing radiation and convection heat dissipation mechanism research, and belongs to the technical field of clothing thermal performance tests.The comprehensive test system comprises a thermal dummy model, an environment control module, a data acquisition module and a signal processing module, and the thermal dummy model simulates human physiological characteristics according to requirements to adjust the body surface temperature; the partitioned thermal control units are used for independently controlling the temperature of a trunk and four limbs; the environment control module comprises a wind tunnel system and a temperature and humidity bin. The data acquisition module is composed of an infrared thermal imager array and a thermopile sensor group embedded into the surface of the dummy; the signal processing module is integrated with a multi-channel data synchronizer and an intelligent algorithm unit, the time synchronization precision of the multi-channel data synchronizer is smaller than or equal to 1ms, and the multi-channel data synchronizer is used for dynamically separating the radiation heat dissipation amount Qrad and the convection heat dissipation amount Qconv. According to the invention, multi-parameter synchronous measurement is adopted, information acquisition mechanisms such as infrared, thermopile and micro differential pressure sensors are integrated, and accurate separation of radiation and convection heat dissipation is realized.
Owner:BOSIDENG DOWN WEAR LTD

Distributed heat dissipation structure and distributed heat dissipation method for PCB (Printed Circuit Board) under high-temperature working condition

The invention relates to the technical field of PCB heat dissipation, and discloses a distributed heat dissipation structure and a distributed heat dissipation method for a PCB under a high-temperature working condition, the distributed heat dissipation structure comprises a PCB base material, an electronic component is mounted on the A surface of the PCB base material, and active thermal control units are mounted on the B surface of the PCB base material corresponding to the electronic component needing to be cooled in a distributed manner; according to the distributed heat dissipation structure for the PCB under the high-temperature working condition, the active thermal control units are installed in the area, corresponding to the heating element, of the B face of the PCB base material in a distributed mode, active refrigeration can be conducted on electronic components (such as a microprocessor and a storage) with the large heating value in a targeted mode, the highest working temperature of a system is increased, and the heat dissipation efficiency is improved. Normal operation of the system is guaranteed, meanwhile, energy waste caused by cooling of the whole plate is avoided, and the heat dissipation efficiency and the energy utilization rate are remarkably improved.
Owner:GREAT DISPLACEMENT (SHENZHEN) TECHNOLOGY CO LTD

Thermal measurement simulation system based on digital twinning

The invention relates to the technical field of thermal measurement simulation, in particular to a thermal measurement simulation system based on digital twinning, which comprises a spectrum data construction module, an energy level parameter conversion module, a temperature zone reference generation module, a disturbance data correction module and a simulation embedding module. According to the method, continuous dynamic simulation of thermal field evolution of an airspace engine under different working conditions can be realized by constructing a multi-layer data structure including spectral peak intensity distribution, an energy level proportional structure and a spectral point response and thermal disturbance bidirectional mapping relation, and difference extraction and logic feedback are performed by combining spectral response behaviors and thermal disturbance data; the thermal measurement simulation process which can be corrected, embedded and iterated is effectively constructed, the real-time performance and precision of thermal field change simulation are remarkably improved, and the high-precision pre-judgment of engine thermal characteristic evolution and the response capability of a dynamic thermal control strategy under the extreme environment condition are ensured. And a complete thermal measurement simulation support is provided for the airspace engine under a complex thermal field condition.
Owner:ZHEJIANG INSTITUTE OF QUALITY SCIENCES

Method and system for optimizing and adjusting energy consumption of server cluster based on deep learning

The invention discloses a server cluster energy consumption optimization adjustment method and system based on deep learning in the technical field of server cluster energy consumption optimization adjustment. The method comprises the following steps: generating a bubble position matrix, a flow resistance coefficient, a server thermal load matrix and a thermal load change rate matrix according to acquired infrared thermal imaging data of a cooling pipeline, current flow, differential pressure sensor data and server cluster operation state data; using the trained bubble motion prediction model to obtain a bubble aggregation risk area coordinate of a future preset time length, and calculating a heat dissipation efficiency reduction prediction value R; and if R exceeds a preset drop threshold, selecting a dormancy server according to the directional characteristics of the thermal load change rate matrix, generating a dormancy instruction, and generating a flow control instruction based on a preset interval in which the absolute value of the thermal load change rate is located. The method is high in predictability, fine in regulation and control and high in adaptability, and the energy efficiency ratio and the system stability of the space computing platform under the complex thermal control working condition are remarkably improved.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Intelligent control method, system, equipment and medium for thermal system of thermal power plant

An intelligent control method, system, device and medium for a thermal power plant thermal system relate to the technical field of thermal power plant thermal control, and comprise the following steps: collecting operation parameters of each device of the thermal system in real time, and constructing a multi-source data set; based on a deep neural network model, establishing a dynamic model of the thermal system for learning and analyzing the multi-source data set; adjusting control parameters and control strategies of each device of the thermal system according to the prediction result of the dynamic model and the multi-source data set by adopting a self-adaptive control algorithm; operation characteristics of the thermal system are extracted, a multi-objective optimization function is constructed, and control parameters and control strategies are optimized; the problems that a traditional control method is low in control precision and low in operation stability are solved.
Owner:SICHUAN GUANGAN POWER GENERATION CO LTD

A spaceborne integrated SAR satellite platform

An integrated spaceborne SAR satellite platform, belonging to the field of spacecraft technology, solves the problems of poor temperature uniformity of existing satellite platform mounting plates, large SAR antenna envelope, inability to meet high-precision single-unit installation requirements, and low structural strength. The platform comprises: a SAR antenna, a feed assembly, a single-unit mounting plate, an external single-unit device, an internal single-unit device, a platform main frame, and a solar sail; the platform main frame, single-unit mounting plate, and solar sail constitute the cabin; the solar sail is located below the platform main frame; the SAR antenna, feed assembly, and external single-unit device are mounted on the outer surface of the single-unit mounting plate; the internal single-unit device is mounted on the inner surface of the single-unit mounting plate; the single-unit mounting plate includes a honeycomb panel, metal gaskets, and pre-embedded heat pipes; the honeycomb panel includes a honeycomb core and a honeycomb panel skin; the metal gaskets are connected to the pre-embedded heat pipes. This invention is applicable to satellite platform spacecraft platforms, spacecraft configuration and layout design, spacecraft structural thermal control design, spacecraft on-orbit monitoring, and SAR satellite on-orbit active compensation.
Owner:HARBIN GONGDA SATELLITE TECH CO LTD

Commercial spaceflight flexible unfolding mechanism thermally controlled by deformable liquid metal

The invention relates to the technical field of thermal control of commercial spaceflight unfolding mechanisms, in particular to a deformable liquid metal thermal control commercial spaceflight flexible unfolding mechanism which comprises a flexible unfolding mechanism body and a flexible fluid circulation pipeline integrated inside or on the surface of the flexible unfolding mechanism body and synchronously folded and unfolded along with the flexible unfolding mechanism body. The fluid driving and heat exchange unit is arranged in the non-flexible area of the spacecraft platform or the body and is connected with the flexible fluid circulation pipeline to form a closed circulation loop; wherein the flexible fluid circulation pipeline is filled with a liquid metal working medium. The liquid metal working medium has high thermal conductivity and flow characteristics, and is matched with the vein-shaped / grid-shaped microtube array, so that the temperature of each region of the flexible unfolding mechanism can be quickly balanced, and structural stress deformation caused by temperature gradient is effectively eliminated; and the adaptive capacity of the mechanism in extreme space environments such as high and low temperature alternation and intense radiation is greatly improved.
Owner:BEIJING HOT NUMBER TECH CO LTD

Millimeter wave tile type phased array antenna heat transfer-heat storage system

The invention provides a millimeter wave tile-type phased-array antenna heat transfer-heat storage system, and the system comprises a heat transfer main body which is provided with a radiating surface, a heat conduction surface, and at least one heat dissipation surface; wherein an electrical function module of the phased-array antenna is arranged on the heat conduction surface to transfer heat generated by operation to the heat conduction surface, a heat conduction path and a phase change heat storage unit are formed in the heat conduction surface, the phase change heat storage unit is used for absorbing and storing part of heat, the heat conduction path is connected with the heat dissipation surface, and the phase change heat storage unit is connected with the heat dissipation surface. At least part of heat generated by the electrical function module is transmitted to the heat dissipation surface through the heat conduction path of the heat conduction surface for heat dissipation. The radiating surface is used as a signal radiating window of the phased-array antenna; and the phase change heat storage module is arranged outside the heat transfer main body, is connected with the heat dissipation surface and is used for absorbing heat dissipated by the heat dissipation surface. The invention provides an efficient heat transfer-heat storage technical scheme, and solves the thermal control problem of high-power work of the phased-array antenna on a platform within limited time.
Owner:10TH RES INST OF CETC

Thermal control device of high-power wireless energy transmission driving mechanism

The invention provides a thermal control device for a high-power wireless energy transmission driving mechanism. The thermal control device comprises a wireless driving mechanism, a heat dissipation plate, a heat pipe, a heat expansion plate, a heat conduction filler and a thermal control coating, the wireless driving mechanism comprises two high-heat-flux heat sources, namely a static coil and a rotating coil; the rotating coil is mounted on the insulating mounting plate, the insulating mounting plate is mounted on the magnetic conductive material, the magnetic conductive material is mounted on the rotating end cover, and the heat pipe is arranged on the rotating end cover to transmit heat to the heat dissipation plate on the reverse side of the solar panel; the static coil is mounted on the static end cover through an insulating mounting plate and a magnetic conductive material, and a heat pipe is arranged on the static end cover to transmit heat to the heat dissipation plate on the nightside; heat is mainly radiated to a cold space after reaching a radiating surface from the coil through the insulating mounting plate, the magnetic conductive material, the end cover and the heat pipe. The invention aims to solve the design problem of a high-power wireless energy driving mechanism of a satellite or a space station, and provides a design basis for solving the temperature control of a wireless energy transmission driving mechanism.
Owner:SHANGHAI SATELLITE ENG INST

Low-orbit satellite antenna board card

The invention relates to the technical field of antennas, in particular to a low-orbit satellite antenna board card. Comprising a first radiation unit, a second radiation unit and a PCB. The first radiation unit and the second radiation unit are circularly polarized antennas and respectively work in different frequency bands. The first radiation unit is of a cross-shaped structure, the second radiation unit is of a hollow structure, and the first radiation unit and the second radiation unit are both made of metal materials. The first radiation unit and the second radiation unit are nested on the PCB, the upper surface of the PCB is provided with a thermal control material, the lower surface of the PCB is provided with a heat conduction material, the antenna board card provided by the invention is suitable for being used outside a cabin, the application of the PCB to the outside of the cabin becomes possible, and thus light weight and low cost of a low-orbit satellite antenna are realized.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD

Hybrid energy storage and thermal power generating unit combined power generation control system

The invention provides a hybrid energy storage and thermal power generating unit combined power generation control system, which comprises a data acquisition unit, a calculation unit, a controlled unit, a coordination control unit, a rapid control unit and an execution unit, the calculation unit calculates key thermal parameters and key electrical parameters according to the operation parameters, the coordination control unit and the rapid control unit control the controlled unit according to the key thermal parameters and the key electrical parameters correspondingly, and an energy storage thermal control unit in the controlled unit can respond to a control instruction and conduct precise temperature control on primary / secondary air. The problem of unstable combustion caused by coal quality fluctuation under a low-load working condition is solved, flywheel energy storage is introduced, the frequency modulation qualification rate of the system can be improved, meanwhile, steam heating and electric heating proportions are automatically distributed, the heat storage cost can be reduced, and improvement of the combustion efficiency, wide-load operation and quick start of a thermal power generating unit are achieved. And the overall efficiency and the network source coordination performance of the combined power generation system are improved.
Owner:이너 몽골리아 일렉트릭 파워 그룹 컴퍼니 리미티드 이너 몽골리아 일렉트릭 파워 리서치 인스티튜트 브랜치

Optical thermostat with comprehensive vibration reduction and low-temperature in-situ displacement functions

The invention discloses an optical thermostat with comprehensive vibration reduction and low-temperature in-situ displacement functions, which adopts upper and lower opposite vibration absorbers and a large-mass base to realize first-order to second-order inertial vibration absorption, and further realizes thorough decoupling with an optical platform in a suspension type non-contact manner, and the vibration transmissibility can be reduced to be less than 10%. Resonant frequencies of two systems (a sample table system and a cold head system) are designed to achieve vibration decoupling. The technical problems that in the prior art, the high-grade vibration isolation capacity is insufficient, refrigerator noise is easily coupled to a measuring light path, the low-temperature in-situ precision displacement capacity is lacked, and the contradiction between heat isolation, convenience and cost is difficult to balance can be solved. Under the support of a conventional GM refrigerator, the comprehensive requirements of ultralow basic vibration, strong decoupling of a measurement light path, low-temperature in-situ micron-sized displacement, convenient sample replacement and efficient refrigeration / thermal control are met at the same time.
Owner:BEIJING INST OF TECH

Radio frequency chip integrated with junction temperature thermal control function

The invention discloses a radio frequency chip integrated with a junction temperature thermal control function, and relates to the technical field of radio frequency chips. The system comprises a temperature unit, an active heat dissipation unit, a trigger switch, a power supply module and a chip main body, the chip main body comprises a controller, a transmit-receive unit, a power amplifier, a filter and a temperature control unit, and the temperature unit comprises a first temperature sensor and a second temperature sensor. The output end of the first temperature sensor and the output end of the second temperature sensor are both connected with the input end of the controller, the output end of the power module is connected with the input end of the controller and the input end of the trigger switch, and the output end of the trigger switch is connected with the input end of the controller. Junction temperature integral and aging coefficient models are respectively introduced, adaptive adjustment of power and bandwidth is realized, pseudo soldering of the radio frequency chip is avoided by adding a trigger switch and an active heat dissipation unit and designing aging compensation, and the working stability of the radio frequency chip is improved.
Owner:QINGDAO JINGXIN SEMICON CO LTD