2734 results about "Phase-change material" patented technology

The invention discloses a freezing and thawing stratum grouting numerical analysis modeling method and system, particularly relates to the technical field of hydraulic engineering numerical simulation, and is used for solving the problem of grouting parameter prediction inaccuracy caused by neglecting the dynamic coupling relationship between the thermodynamic behavior of a phase-change material and a seepage field and a damage field in an existing grouting model. A dynamic correlation system of phase change energy storage performance parameters and seepage field-damage evolution is established, a slurry diffusion path priority channel weight is corrected based on a freeze-thaw interface migration track, a bidirectional iteration equation of a seepage field and a diffusion migration field is coupled, and multi-physical field spatial-temporal scale cooperative solution is realized through a separated iteration algorithm; through multi-dimensional coupling of thermodynamic characteristics of the phase-change material, heterogeneous evolution of seepage paths and damage mechanical response, the prediction precision of the mechanical characteristics of the grouting stone body and the slurry diffusion range under the action of freeze-thaw cycle is remarkably improved, and the leakage and structural instability risks are effectively reduced.

The invention discloses an efficient cross-season energy storage energy pile, and relates to the technical field of new energy and energy conservation. The problems that in an existing energy storage system, the thermal load prediction error is large, underground thermal diffusion attenuation is caused, the heat exchange capacity is lowered, and the geological adaptability is insufficient are solved. According to the scheme, an LA mixed time sequence prediction model is adopted to optimize load prediction, a distributed optical fiber temperature measurement array and a finite element inversion algorithm are combined to accurately reconstruct a stratum temperature field, and the geological type is identified based on a support vector machine classifier to realize self-adaptive regulation and control of heat exchange parameters; meanwhile, the heat pump power, the circulating pump frequency and the heat charging and discharging rate of the phase change material are optimized through a depth deterministic strategy gradient algorithm and a gradient heat release strategy; the heat exchange efficiency, the long-term stability and the complex environment adaptability of the cross-season energy storage system are remarkably improved, and the energy-saving effect of a building energy supply system is improved.

Disclosed in the present application are a server, and an aerodynamic-noise and heat-dissipation optimization control system therefor. The system comprises a heat dissipation fan, a temperature measurement module, a noise measurement module, a power consumption measurement module, a controller and a phase-change air guide cover, wherein the aerodynamic area of the heat dissipation fan is adjustable; the temperature measurement module is used for measuring the temperature of a case; the noise measurement module is used for measuring the noise inside the case; the power consumption measurement module is used for acquiring a load requirement of a program currently running in a server; and the controller is used for adjusting the working condition of the heat dissipation fan, analyzing the lowest operating power of each server assembly on the basis of the load requirement when internal noise reaches a preset threshold value, and adjusting the current power of each server assembly on the basis of the lowest operating power. The phase-change air guide cover is used for guiding air and absorbing heat by means of a phase-change material.

The invention discloses a semiconductor power device high-efficiency heat dissipation structure based on a micro-channel liquid cooling technology, which comprises a thermoelectric refrigeration module, a phase change material layer, a micro-channel liquid cooling module, a bionic micro-channel structure, an intelligent regulation and control module and a full-packaging module, and is characterized in that the thermoelectric refrigeration module is arranged on the surface of a hot spot area of a power device, and the periphery of the thermoelectric refrigeration module is coated with the phase change material layer; the micro-channel liquid cooling module is embedded into the packaging substrate and matched with the bionic micro-channel structure, the intelligent regulation and control module collects data in real time through the sensor group and dynamically adjusts heat dissipation parameters, and the full-packaging module achieves integrated packaging. The problems that an existing heat dissipation technology is low in efficiency, uneven in temperature distribution, insufficient in intelligent degree and the like are solved, and a more reliable and efficient heat dissipation scheme is provided for high-power-density devices.

The invention belongs to the technical field of solid-liquid phase change heat dissipation, and discloses a memory alloy-based phase change expansion buffer structure, which comprises an elastic structure, a supporting structure, a thin wall, a cavity, a flaring, an electronic device, a heat sink, fins, a connecting structure and a phase change material, the thin wall is made of shape memory alloy and separates the internal cavity and the external phase-change material, the internal cavity is communicated with the external environment through the flaring, and in the flying process of the aerospace vehicle, external airflow flows into the flaring to take away heat stored by the phase-change material continuously. Based on the shape memory function of the memory alloy, additional space expansion buffering can be provided for the phase change material when the temperature changes, and stress damage caused by phase change expansion is avoided. The memory alloy thin wall and the elastic supporting structure are combined, the structure is simple, no moving part exists, circulating work in the high-temperature environment and the low-temperature environment can be achieved, local hot spots caused by internal gap movement of the phase change material in the circulating phase change process are reduced, and heat transfer deterioration is avoided.

The invention relates to the technical field of photovoltaic power generation. The invention provides a photovoltaic module cooling method, system and device and a storage medium, and the method comprises the steps: collecting the working condition parameter data of a photovoltaic module and the environment parameter data in a corresponding range of the photovoltaic module in real time, and obtaining a basic data set; based on the basic data set, a relation model between the working condition parameters and the environmental parameters of the photovoltaic module is established, the relation model is utilized to predict the temperature change trend and the output power change condition of the photovoltaic module under different environmental conditions, and a prediction result is obtained; and starting a liquid cooling, air cooling and phase change material collaborative cooling mechanism according to the prediction result, continuously monitoring the working condition parameters of the photovoltaic module in the cooling process, and dynamically adjusting and optimizing the cooling mode and the corresponding parameters according to the monitoring result. The problems that an existing photovoltaic module lacks an effective temperature adjusting means, the output power is obviously reduced when the working temperature rises, and the overall efficiency and economic benefits of a photovoltaic power generation system are reduced are solved.

The invention provides a composite material with excellent heat insulation performance, which relates to the field of fireproof heat insulation structures, and sequentially comprises a fireproof layer, a transition layer, a first protection layer, a first heat insulation layer, a second heat insulation layer and a second protection layer, wherein the fireproof layer adopts an intumescent fireproof coating, the transition layer adopts a primer, the first protection layer and the second protection layer adopt metal titanium foils, the first heat insulation layer adopts an aerogel felt, the second heat insulation layer adopts a phase change material, the phase change material is formed by compounding a phase change raw material and a base material, and the phase change raw material is microcapsules. A packaging material of the microcapsule is a mixture of melamine, formaldehyde and urea, and a phase change inner core of the microcapsule is paraffin; the base material is epoxy resin. The composite material not only has the characteristics of excellent fireproof and heat-insulating performance, thin thickness, light weight, good long-term stability and the like, but also has the advantages of simple structure, convenience in installation, wide application range and the like.

The present invention relates to the field of semiconductor technology, and particularly relates to an optoelectronic chip packaging structure, comprising: a substrate, on the upper surface of which a signal transmission layer is provided, and on the signal transmission layer a signal processing layer is provided; the signal transmission layer includes: a first electrical chip, which has a first surface and a second surface, and the first surface faces the substrate, and the second surface faces the signal processing layer; the signal processing layer includes: a signal conversion area and a data storage area; a photonic chip is correspondingly arranged in the signal conversion area, and the photonic chip includes: N*M photon computing units, and each photon computing unit includes: an optical waveguide layer, and a modulation layer located on the optical waveguide layer, and the modulation layer is a phase change material layer or the modulation layer includes a phase change material layer; a second electrical chip is correspondingly arranged in the data storage area, which is used for receiving and storing calculation data. The present invention solves the problems of high preparation difficulty and poor heat dissipation performance of the existing packaging structure.

A metasurface structure including an array of sub-wavelength structures including a phase change material (PCM), encoded with different holographic images based on different phases of the PCM, the different phases including a first phase and a second phase. Phase transition between the first phase and the second phase occurs when the metasurface structure is thermally tuned. Each sub-wavelength structure in the array has a distinctive phase difference between the first phase and the second phase of the PCM.

The invention relates to a liquid cooling pipeline and phase change material compounded novel energy storage system and method, which are mainly applied to the field of battery energy storage in an extremely cold environment. The system comprises a liquid cooling unit, a liquid cooling pipeline system, a battery cluster, a phase change module, a multi-stage bypass system, a valve system and a circulating pump. Through cooperative work of the liquid cooling unit and the phase change module, the system can recover the heat of the cooling liquid after the battery is heated and store the heat in the phase change module, and the heat stored in the phase change module is preferentially used for heating when the temperature of the battery is relatively low, so that the energy consumption of the liquid cooling unit is reduced, and the energy efficiency of the system is improved.

The invention discloses an intelligent temperature control system of an aluminum alloy plate punch forming die, which relates to the field of aluminum alloy plate processing and comprises a temperature acquisition module, a data transmission module, an analysis processing module, a control decision module and a heating and cooling execution module. Various sensors and self-adaptive layout are used for temperature acquisition, so that data accuracy is guaranteed; data transmission is combined with multiple technologies and block chain authentication to ensure stability; analyzing and processing introduced quantum neural network and causal analysis mining features; the control decision is combined with multiple algorithms and multiple parameters are considered, so that intelligent decision making is realized; a novel device and a phase-change material are adopted for heating and cooling, and the temperature is accurately controlled by combining an advanced control strategy. According to the invention, accurate temperature acquisition, multi-technology guarantee data transmission and quantum calculation are realized to improve the analysis decision ability, and accurate temperature control is realized by the novel device and the control strategy; the die state can be monitored, faults can be diagnosed, stamping quality and efficiency are improved, the service life of the die is prolonged, and cost is reduced.

A heating and cooling system including a heat pump system and a thermal energy storage (TES) and retrieval system. The TES and retrieval system includes a Phase Change Material (PCM) unit housing a PCM and a first refrigerant line at least partially immersed in the PCM or embedded within the PCM unit for the PCM to exchange heat with refrigerant in flow through the first refrigerant line, the refrigerant directed from a compressor of the reversible heat pump system to the first refrigerant line and back to the reversible heat pump system after the first refrigerant line. The TES and retrieval system further includes a first water line at least partially immersed in the PCM or embedded within the PCM unit for the PCM to exchange heat with water in the first water line.

The invention provides a variable-stiffness anti-fatigue flexible cable, and relates to the technical field of cables, and the flexible cable comprises a heat conduction channel which is arranged along the axial direction of the cable in a penetrating manner, a conductor which is spirally arranged around the heat conduction channel, a filling layer which wraps the heat conduction channel and the conductor, a shielding layer of which the inner side is provided with a storage cavity, and an adjusting layer which comprises a plurality of rigid adjusting units. Wherein heat conduction liquid is arranged in the heat conduction channel, a heat conduction pipe is embedded in the filling layer, the heat conduction pipe is provided with a valve port, the heat conduction pipe is communicated with the storage cavity, and each rigid adjusting unit is a flexible bag filled with a phase change material. Liquid heat triggers the phase-change material to expand through the shielding layer, so that the rigidity adjusting unit extends to enhance local rigidity, the effect of inhibiting excessive bending is achieved, the short-time hardness of a bending part is higher than that of a peripheral area due to expansion retention of the phase-change material, and the purpose of dynamically transferring a bending stress point is achieved.

The invention relates to the technical field of refrigeration material preparation, in particular to an efficient passive radiation refrigeration material suitable for a sub-super environment and a preparation method and application of the efficient passive radiation refrigeration material. The method comprises the following steps: uniformly mixing thermoplastic polyurethane, sunlight high-reflection inorganic particles and a phase change material in a solvent; after a chemical foaming agent is added, the obtained suspension liquid is heated and foamed in a confinement mold, and wet gel is formed; and finally, carrying out freeze drying treatment to obtain the composite porous aerogel. The prepared material has a micro-nano porous skeleton formed by TPU, and inorganic particles and PCM are uniformly dispersed in the skeleton wall. Through component cooperation and a special porous structure, the material has extremely high sunlight reflectivity and mid-infrared emissivity, self-adaptive temperature regulation and control are achieved through PCM phase change, the problem that refrigeration of a traditional material fails in the sub-environment such as the vertical surface is effectively solved, and efficient sub-super-environment heat management is achieved.

The invention discloses a photo-thermal phase change fiber material with a core-shell structure and a preparation method of the photo-thermal phase change fiber material. The method comprises the following steps: performing coaxial electrostatic spinning on a shell layer spinning solution and a core layer spinning solution to obtain core-shell structure nanofibers; soaking the core-shell structure nanofiber in the hydrophobic modification solution; and heating and drying the soaked fibers to obtain the photo-thermal phase change fiber material with the core-shell structure. The material can enhance adsorption of marine leaked crude oil through solar heating, can cope with complex weather conditions through heat storage of the phase change material, and has the advantages of simple preparation method, strong crude oil adsorption performance, environmental protection, harmlessness and the like.

The invention relates to the technical field of lasers, in particular to a laser heat management device and a control method thereof, the laser heat management device comprises a cooling substrate, the cooling substrate is internally provided with a micro-channel, the micro-channel comprises a main channel and a branch channel, and the main channel is used for circulating cooling water; the cooling substrate is provided with a detection control area, the detection control area is located at the joint of the branch channel and the main channel, the detection control area is provided with a phase change micro-valve and a detection assembly, the detection assembly is used for collecting temperature data, the phase change micro-valve comprises a phase change material and a flexible separation blade, and after the valve is opened, the phase change material generating phase change pushes the flexible separation blade, and the phase change micro-valve is connected with the detection assembly. The communication state of the main channel and the branch channel is controlled; the main controller is used for receiving the temperature data of all the detection control areas and controlling the valves of the corresponding detection control areas to be opened or closed according to the deviation between the temperature data and the target temperature. The temperature gradient of the laser can be reduced at least so as to ensure that the laser realizes a long-term stable working state.

Thermal management systems include a vapor cycle and a liquid cycle sharing a common working fluid. The vapor cycle includes, along a vapor cycle flow path, a compressor and a condenser. The liquid cycle includes, along a liquid cycle flow path, a fluid driver, a load, a regulator valve, and a phase change material heat exchanger. A cold sink is thermally coupled to a heat load. A separator is configured to separate liquid and vapor portions of the working fluid and direct the liquid into the liquid cycle and the vapor into the vapor cycle. The separator is part of both the vapor cycle and the liquid cycle. The regulator valve controls a temperature of the working fluid within the liquid cycle at a location upstream of the phase change material heat exchanger to control a mode of operation of the phase change material heat exchanger.

The invention discloses freeze-thaw resistant concrete and a preparation method thereof, and belongs to the technical field of cement-based building materials, the freeze-thaw resistant concrete comprises the following raw materials by mass: 35-40 parts of ordinary Portland cement, 100-180 parts of aggregate, 0.5-0.8 part of a water reducer, 4-6 parts of a phase change material, 2-5 parts of modified composite cellulose and 15-20 parts of water. According to the freeze-thaw resistant concrete prepared by the invention, polar groups on the surface of the modified fiber and the phase-change material form chemical bonds, so that the heat conduction efficiency is improved, the phase-change material quickly absorbs / releases heat during temperature change, the thermal response time is shortened, and the adaptability of a concrete structure to environmental temperature fluctuation is improved. The cellulose network with controllable porosity limits the volume expansion of the phase change material in the phase change process, so that the stress concentration in the concrete is avoided, and the generation of microcracks is reduced.

The invention relates to the field of photovoltaic power generation, and particularly discloses a climate self-adaptive photovoltaic cooling method and system based on interface evaporation, and the system comprises a hydrophilic and hydrophobic composite radiation refrigeration film which is used for capturing atmospheric moisture through a radiation refrigeration effect under a low-radiation condition to form a cooling water source; the bionic water conveying structure comprises a modified silicone tube and a juncus roemerianus bundle and is used for conveying the captured water to the high-level water tank through capillary action; according to the invention, by fusing interface evaporation and radiation refrigeration technologies, the system realizes efficient cooling and energy recovery of the photovoltaic module; under the condition of strong irradiation, the gradient wettability interface evaporation layer takes away waste heat of the module through directional water film flow, so that the temperature of the photovoltaic module is reduced, the photoelectric conversion efficiency is improved, and meanwhile, the daily generating capacity is increased; the cooling effect is obviously better than that of a traditional natural convection or phase change material cooling mode, and efficient heat transfer is achieved through phase change latent heat utilization of interface evaporation.

The invention relates to the technical field of phase-change energy storage materials, and particularly provides a phase-change energy storage plate and a preparation method thereof.The phase-change energy storage plate comprises a front aluminum plate, a honeycomb core layer made of aluminum materials and a back aluminum plate, the honeycomb core layer is formed by arranging a plurality of hexagonal columns in a matrix mode, each hexagonal column is filled with a phase-change material, and the phase-change material is arranged in the honeycomb core layer; the phase change material is selected from at least one of a graphite-based phase change material and a microcapsule phase change material, and the phase change material is selected from at least one of a graphite-based phase change material and a microcapsule phase change material. The phase change energy storage plate has high heat storage and release rate and thermal conductivity, has high bending strength and is convenient to popularize and apply.

The invention provides an infrared broadband absorber. According to the invention, an efficient absorption structure is formed by introducing the non-antisymmetric Bragg structure layer and the metal material film with relatively high absorption rate. The phase change material and the dielectric material form an antisymmetric Bragg structure, the absorptivity of the device is further improved, and the MgF2 low-refractive-index layer is combined, and the materials and the thickness of each layer are optimized, so that effective reflection suppression and absorption enhancement of light with different wavelengths are realized. Compared with the prior art, the infrared broadband absorber is simple in structure, the absorption effect of 90% or above can be achieved within the ultra-wide range, the relative absorption bandwidth exceeds 152.8%, a great opportunity is provided for ultra-wide spectrum detection, a feasible technical approach is provided for ultra-wide spectrum confrontation and invisibility, and the infrared broadband absorber has the advantages of being high in practicability and wide in application range. And confrontation and stealth on active and passive composite sensing detection equipment are expected to be realized, and the application potential of the material in the fields of infrared absorption, infrared stealth, photothermal conversion, sensing and the like is expanded.

The invention discloses a reprocessable solid-solid phase change material based on dynamic borate bonds and a preparation method of the reprocessable solid-solid phase change material. Based on the mechanism that boric acid ester is subjected to ester exchange during thermal stimulation, a dynamic cross-linking agent containing boric acid ester is adopted for cross-linking a polyurethane prepolymer, polyethylene glycol is cross-linked through chemical bonds, the tensile strength and the elongation at break of the phase change material are improved, and the problem that the phase change material is prone to leakage in the phase change process is solved; besides, borate bonds belong to associated dynamic covalent bonds and can keep the crosslinking density of the material unchanged when ester exchange occurs under thermal stimulation, so that the thermal stability of the material is relatively good; the solid-solid phase change material disclosed by the invention is excellent in mechanical property, has a relatively high enthalpy value, can be reprocessed, and has an application prospect in the fields of thermal management, energy storage, infrared stealth and the like.

The invention relates to the technical field of hovercar oil coolers, in particular to a hovercar oil cooler multi-physics field cooperative control method based on reinforcement learning. A three-dimensional continuous action space (fin opening, magnetofluid flow velocity and phase change material activation proportion) is designed in combination with a reinforcement learning algorithm, and collaborative optimization of magnetofluid heat conduction, phase change material heat storage and air heat dissipation is realized in control of the oil cooler of the hovercar for the first time. According to the design, the limitation of traditional single physical field control is broken through, the thermal management efficiency of the system in cross-airspace and multi-working-condition scenes is remarkably improved, and meanwhile energy consumption is saved and the service life of equipment is prolonged.

The invention relates to a high-energy-density reactive compensation module, which comprises a compensation unit group, an integrated heat dissipation structure, a high-speed switching circuit and a module communication interface, and is characterized in that the compensation unit group is formed by integrating a plurality of solid-state capacitors and units in a packaging shell in a three-dimensional stacking manner; the positive electrode and the negative electrode of each solid-state capacitor unit are connected in parallel through a plurality of layers of conductive busbars, the integrated heat dissipation structure is embedded in the packaging shell and comprises a heat conduction substrate, a micro-channel cooling pipe and a phase change material layer, the heat conduction substrate is in direct contact with the solid-state capacitor units, and the micro-channel cooling pipe is connected with the phase change material layer. And the micro-channel cooling pipes are distributed in the interlayer of the heat-conducting substrate. Through the design of the three-dimensional stacked solid-state capacitor and the copper-aluminum composite busbar and the combination of the hybrid isolation driving circuit and an anti-interference structure, microsecond-level switching response is realized, a multi-protocol communication interface is integrated to support cooperative control of a heterogeneous system, the problems of heat dissipation, loss and the like under high-density integration are solved, and a miniaturized and high-reliability reactive compensation solution is provided.

The invention belongs to the technical field of micro-nano photoelectrons, and particularly relates to a multi-channel switchable holographic metasurface encryption device and method. The holographic metasurface encryption device is an array formed by nanoscale structure units through two-dimensional periodic continuation, and is called as a phase change dynamic holographic metasurface. Wherein the structural unit is formed by sequentially overlapping a phase change material layer and a metal material layer on a substrate; rectangular holes are formed in the central parts of the phase change material layer and the metal material layer; holographic encryption is realized by utilizing the adjusting capability of the phase change material unit, a plurality of independent holographic image channels are expanded by utilizing the independence of left and right polarization of circularly polarized light, and the switching function of the metasurface holographic display channel is realized through the phase change degree of the phase change material. The phase-change material is introduced into metasurface holographic display, switching of different responses to incident light is achieved through thermal modulation or electric pulse modulation, and therefore different encryption degrees are achieved. The device has a wide application prospect in the fields of optical display, optical calculation and the like.

The invention provides a three-period minimal curved surface change heat exchanger for airborne intermittent high-heat-flux surface heat dissipation, and belongs to the technical field of phase change heat storage. According to the technical key points, the flow channels are divided into hot fluid flow channels allowing hot fluid to pass through and preventing cold fluid from flowing and cold fluid flow channels allowing cold fluid to pass through and preventing hot fluid from flowing, and the hot fluid flow channels and the cold fluid flow channels intersect in direction and are alternately arranged to form effective heat exchange channels. A phase change material is packaged in a hot fluid flow channel by adopting a three-period extremely-small curved surface structure, and the structure is used as a primary heat exchange surface, so that rapid heat exchange between the phase change material and hot fluid is promoted, and the heat storage rate is increased; cooperative disturbance structures matched with the three-period extremely-small curved surfaces are arranged in the cold fluid flow channels, heat exchange between the phase-change materials and the cold fluid is further promoted, and the heat dissipation rate is increased. The device has the advantages of being compact in structure and high in heat storage / release rate, and the requirements of high-power equipment in the instantaneous heat storage and dissipation process are effectively met.

The invention discloses a non-volatile phase shifter which is ultra compact and low in loss. In the non-volatile phase shifter, signal light is transmitted to the composite hybrid waveguide through the input waveguide and is modulated after passing through the phase change material area of the composite hybrid waveguide, and the phase change material is directly modulated through spatial light, so that the phase of the signal light is modulated. According to the invention, optical pulses with different pulse widths and different powers can be used, and the phase state of the phase change material can be regulated and controlled. The problems of large size area and high power consumption required by electro-optical regulation and control, thermo-optical regulation and control and the like are solved, pi phase shift can be realized in an interaction length as low as several microns, and meanwhile, relatively low loss is kept. According to the invention, the phase change material is regulated and controlled through spatial light, so that the distinguishable level up to 8 bits can be realized, and hyperfine phase regulation and control in an ultra-small structure can be realized. According to the invention, an excellent phase shifter design scheme can be provided for realizing complex photon circuits with ultra-compactness, ultra-low power consumption, low loss and the like.

The invention relates to the field of organic silicon thermal management materials, in particular to a flexible insulating organic silicon thermal management composite material based on a phase change material and a preparation method thereof. The problem that the internal temperature of a battery formed by a common technology cannot be effectively controlled and distributed is solved. Comprising 20%-50% of silicone oil, 0.01%-0.1% of an organosilicon catalyst, 0-25% of a heat conduction filler, 25%-80% of a phase change material, 0%-5% of a flame retardant and 0.01%-0.05% of an inhibitor. The material has excellent mechanical property and heat-conducting property, can be suitable for complex working conditions, and has efficient heat management capability. The product is simple in formula and high in designability, and a polymer network constructed by organic silicon rubber can effectively prevent an internal phase change material from leaking under the action of temperature.

The invention belongs to the technical field of integrated photoelectronics, and discloses a phase change photosynaptic device array and a preparation method thereof. The synaptic device array is of a cross array structure formed by a plurality of phase-change optical synaptic cells through directional couplers with the same number, an arc waveguide in each phase-change optical synaptic cell comprises a phase-change waveguide section, a heating layer is arranged above a phase-change material layer, and an isolating layer is arranged between a metal electrode and the waveguide. According to the synaptic device array, current joule heat generated by the heating layer under the action of electric pulses is transmitted to the phase-change material layer, so that the state of the phase-change material layer is changed, meanwhile, the isolation layer is used for shielding absorption and interference of the metal electrode on optical signals in the waveguide, and the optical loss of the array is reduced; therefore, the problem of heating structure integration of the phase-change photosynaptic device array can be effectively solved, and effective modulation of the phase-change photosynaptic device array is realized.

The invention relates to the technical field of power supplies, in particular to a module power supply for communication equipment, which comprises an input filtering unit, at least two stages of power conversion units, an output voltage stabilization unit, an intelligent control module, a fault reconstruction unit and a composite heat dissipation structure, the input filtering unit is connected with the power conversion unit, the power conversion unit is connected with the output voltage stabilization unit, the output voltage stabilization unit is connected with a load end, and the input filtering unit, the power conversion unit, the output voltage stabilization unit, the fault reconstruction unit and the composite heat dissipation structure are respectively connected with the intelligent control module. The composite heat dissipation structure comprises a metal heat conduction substrate, a phase change material layer and a micro-channel liquid cooling module, the phase change material layer is arranged on the metal heat conduction substrate, the micro-channel liquid cooling module is arranged on the phase change material layer, and the metal heat conduction substrate is connected with the power device through heat conduction silica gel for heat conduction; when the fault reconstruction unit detects local failure, the damaged module is switched to be in a bypass state, current sharing parameters of the remaining modules are reconfigured, and the output power of the power supply is maintained to be not lower than 75% of a rated value. Compared with the prior art, the module power supply for the communication equipment has high-efficiency conversion and wide adaptability, and the efficiency is optimized in a full-load range; intelligent thermal management and reliability are enhanced, temperature rise control is obviously optimized, the phase change material layer absorbs transient thermal shock, temperature fluctuation is reduced, flow of the micro-channel liquid cooling module is adaptively adjusted, and power consumption is reduced; dynamic performance and stability are improved, multi-module parallel current sharing precision is improved, circulating current loss is reduced, and faults can be rapidly recovered.