Patents
Literature
14results about How to "Avoid heat buildup" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Heat-resistant polyethylene material and preparation method thereof
The invention relates to the technical field of heat-resistant materials, in particular to a heat-resistant polyethylene material and a preparation method thereof, and the heat-resistant polyethylene material comprises the following raw materials: ultra-high molecular weight polyethylene, zirconium oxide-zinc aluminate spinel (ZrO2-ZnAl2O4), modified graphdiyne, an antioxidant, a heat stabilizer, a plasticizer, a flame retardant and an anti-ultraviolet agent. The ultrahigh molecular weight polyethylene, the ZrO2-ZnAl2O4 and the modified graphdiyne play a role through a synergistic effect, a polyethylene molecular chain forms a firm three-dimensional network structure in a high-temperature radiation process, and a stable matrix supporting effect is provided; the excellent chemical stability and oxidation resistance of ZrO2-ZnAl2O4 in a high-temperature environment effectively inhibit the thermal degradation reaction of polyethylene, the service life of the material is prolonged, the modified graphdiyne is beneficial to rapid heat transmission, the thermal stability of the material is improved, meanwhile, the layered structure of the material has good lubricating performance, and the service life of the material is prolonged. The modified graphdiyne and the ZrO2-ZnAl2O4 are combined to avoid heat accumulation and material aging caused by the friction effect, and the ultrahigh molecular weight crosslinked polyethylene, the ZrO2-ZnAl2O4 and the modified graphdiyne form a multi-layer protection system to jointly improve the heat stability of the material.
Owner:BEIJING SCI & TECH PATENT OFFICE
Composite tire and method for manufacturing the same
ActiveCN114161739Breduce rolling resistanceimprove securityRolling resistance optimizationRolling resistanceManufacturing technology
The invention discloses a composite tire and a manufacturing method thereof. The method comprises surface pretreatment of a tire carcass, configuration of a tread treatment agent, and casting and molding the composite tire tread using a unique process. The method has the characteristics of simple manufacturing process and low cost. The manufactured composite tire has a series of outstanding advantages such as good elasticity, low rolling resistance, low fuel consumption, good tread wear resistance, etc., has high cost performance, and is easy to industrialize.
Owner:GUANGZHOU LIMU IND CO LTD
Waterproof distribution box
ActiveCN222601753UGuaranteed waterproof performanceprevent intrusionClimate change adaptationSubstation/switching arrangement cooling/ventilationMechanical engineeringPhysics
The utility model discloses a waterproof distribution box which comprises a distribution box single body and an upper sealing box fixed at the top end of the distribution box single body, a concentric-square-shaped inner container is fixed at the central position in the upper sealing box, and a waterproof ring connected with the inner wall of the periphery of the upper sealing box is fixed at the outer edge of an opening of the concentric-square-shaped inner container. An electrical assembly is installed on the inner wall of the concentric-square-shaped inner container, and a heat dissipation opening is formed in the top end of the concentric-square-shaped inner container. According to the utility model, the ventilation inside the box body is kept smooth, the problems of heat accumulation and overheating of equipment are avoided, and when the external environment is difficult to meet the ventilation requirement, the rainproof cover and the plugging block actively fall under the action of gravity, so that the waterproof performance of the distribution box is ensured, and rainwater is effectively prevented from intruding into the box body.
Owner:NINGBO LANXIN NEW MATERIAL TECHNOLOGY CO LTD
Display screen with distributed heat dissipation function
ActiveCN119472954AHeat dissipation fastavoid heat dissipationDigital data processing detailsCooling/ventilation/heating modificationsThermodynamicsMechanical engineering
Owner:JIANGHUA FEXDA TECH CO LTD
An embedded on-chip micro-channel Si-based GaN HEMT device and its preparation method
The present invention relates to an embedded on-chip microchannel Si-based GaN HEMT device and a preparation method thereof, and belongs to the field of thermal management technology of new semiconductor devices. The device includes a gate functional layer, a source functional layer, a drain functional layer, a SiN passivation layer, an AlGaN barrier layer, a GaN buffer layer and a microfluidic structure Si substrate from top to bottom; the microfluidic structure Si substrate includes a manifold heat dissipation microfluidic structure, which is divided into a microfluidic structure heat transfer area and a drainage structure area. The microfluidic structure heat transfer area is in direct contact with the GaN buffer layer, and the microchannels of the drainage structure area are perpendicular to and interconnected with the microchannels of the microfluidic structure heat transfer area to form a manifold microfluidic heat dissipation structure. The embedded on-chip microchannel Si-based GaN HEMT device of the present invention has the advantage of efficient heat dissipation capability and can be used for ultra-high power microwave power devices.
Owner:NO 55 INST CHINA ELECTRONIC SCI & TECHNOLOGYGROUP CO LTD
Energy-saving adjusting method, device and equipment for energy storage box in response to running state
ActiveCN122025917AFix response delaysimprove accuracyBatteries circuit arrangementsSecondary cellsFluid transportHeat management
The invention relates to the technical field of heat management of an energy storage system, in particular to an energy-saving adjusting method, device and equipment for an energy storage box in response to an operation state. The technical problem that in the prior art, the temperature serves as the unique decision basis, and the thermal management response accuracy is low under the dynamic working condition is solved. The method comprises the following steps: acquiring real-time operation parameters of the energy storage box; determining a fluid transport time window based on the coolant flow rate; determining a fluid transport domain thermal load characteristic value based on the historical battery current in the fluid transport time window; based on the thermal load characteristic value, the cooling liquid flow rate, the battery temperature and the environment temperature, determining a compressor starting inhibition ratio; and indicating the compressor to switch the working mode based on a comparison result of the compressor starting inhibition ratio and a preset threshold. The method is used for the heat management scene of the energy storage box.
Owner:JIANGSU YIDU INTELLIGENT SPECIAL EQUIP CO LTD
Coal-based activated carbon production forming device and forming method thereof
InactiveCN119406373AReduce the temperaturedelay agingLighting and heating apparatusDomestic cooling apparatusWater sourceElectric machinery
The invention belongs to the technical field of activated carbon production, and discloses a coaly activated carbon production forming device and a forming method thereof.The coaly activated carbon production forming device comprises a machine body, a feeding opening is fixedly formed in the top end of the machine body, a spiral shaft is arranged below the feeding opening and rotationally installed in the machine body, and a motor is installed at one end of the spiral shaft; in the working process, the water pump is started, a water source in the water tank is pumped through a pipeline, conveyed through the connecting pipe and finally discharged into the water inlet from the spray head, the water flows to the outer wall of the discharging pipe, and the discharging pipe is cooled; heat of the discharging pipe can be taken away easily, aging of the discharging pipe can be reduced, the temperature of the coal-based activated carbon after production can be reduced, packaging is facilitated, and therefore the production efficiency is improved.
Owner:CHANGJI ZHUNDONG ECONOMIC & TECHNOLOGICAL DEVELOPMENT ZONE SHENGHAOWEI ACTIVATED CARBON MANUFACTURING CO LTD
A dual-mode cooled solid state circuit breaker and a thermal management method thereof
The application discloses a dual-mode cooling solid-state circuit breaker and a thermal management method thereof, and belongs to the field of power semiconductor device thermal management. The solid-state circuit breaker comprises a power semiconductor die, a manifold micro-channel radiator, a boiling phase change cooling cavity, an electronic fluorination liquid, a condenser, an electromagnetic valve, a speed regulating pump and a driving and control system. The application identifies the working condition of the solid-state circuit breaker by collecting the on-state voltage drop of the power semiconductor chip, and the manifold micro-channel radiator alone bears the on-state loss heat dissipation in the steady state condition. In the overcurrent condition, local overheating triggers the boiling phase change of the electronic fluorination liquid, the condenser is started at the same time, and the pump speed is increased, the boiling reinforcement and heat capacity peak shaving effect of the molybdenum copper thermal expansion block are combined, and the transient thermal shock is quickly inhibited. The method takes into account the long-term steady-state operation and transient overcurrent heat dissipation demand, and has an important role in prolonging the service life of the chip, improving the thermal reliability and operation energy efficiency of the solid-state circuit breaker in the multi-working condition.
Owner:ZHEJIANG UNIV +1
Automatic multi-surface welding device for hollow plate box
The application discloses a kind of hollow plate box automation multi-face welding device, it is related to automatic welding technical field, including welding table, the upper end of welding table is fixedly installed with protective cover, a plurality of evenly distributed guide posts are fixedly installed between welding table and protective cover, welding assembly is jointly installed on guide post, outer shaping assembly is fixedly installed at the center of the upper end of welding table, inner shaping assembly is fixedly installed at the center of outer shaping assembly, outer shaping assembly and inner shaping assembly are used to position the inside and outside of the side plate of hollow plate box to be welded respectively, magnetostrictive assembly for abutting against the side plate of hollow plate box from inside is slidably installed on the four sides of inner shaping assembly, the present application is positioned by external vacuum suction and internal electromagnetic tensioning, elastic retreat and thermal self-locking cooperation suppress the thermal deformation that can appear in welding process, four laser welding heads synchronous welding improve efficiency, realize the high-precision, low deformation automatic welding of hollow plate box.
Owner:ANHUI WENDA INFORMATION TECHNOLOGY CO LTD
Novel double-support hydraulic motor
ActiveCN224149898Uavoid heat buildupExtended service lifeFluid-pressure actuator safetyFluid-pressure actuator componentsHydraulic motorOil can
The utility model relates to the technical field of hydraulic motors, in particular to a novel double-support hydraulic motor which comprises a double-support hydraulic motor body, an oil inlet cavity of the double-support hydraulic motor body is fixedly connected with an oil inlet pipe, and an oil outlet cavity of the double-support hydraulic motor body is fixedly connected with an oil outlet pipe. The tail end of the oil inlet pipe is fixedly connected with a hydraulic power unit; the side opening of the tee joint is provided with a cooling assembly, the top opening of the tee joint is fixedly connected with a flow dividing pipe, the outer wall of the cooling assembly is in through connection with a cooling oil conveying pipe, and the flow dividing pipe and the cooling oil conveying pipe are in through connection with the hydraulic power unit. Through the arrangement of the tee joint, the shunt pipe and the cooling assembly and the arrangement of a hydraulic oil cooling path outside the hydraulic motor, the design ensures that oil can be cooled in a system more smoothly, the problem of heat accumulation caused by insufficient lubrication of a bearing under a high-temperature working condition is effectively avoided, and the service life of the bearing is prolonged.
Owner:SHANDONG LIWO HYDRAULIC TECH CO LTD
A super-large diameter PE pipe and its preparation method and application
ActiveCN117903512BLarge aspect ratioUniform plasticization
The present invention belongs to the technical field of special materials for PE pipes, and specifically relates to an ultra-large-caliber PE pipe material and its preparation method and application. The present invention first provides a modified whisker carbon nanotube masterbatch, wherein the whisker carbon nanotube is grafted with a phase change microsphere having a phenolic resin as a shell and n-hexadecane as a phase change core material, and the masterbatch is mixed with PE resin and kneaded to form a masterbatch, and then further made into an ultra-large-caliber PE pipe material with PE resin and carbon black masterbatch. The obtained ultra-large-caliber PE pipe material has good tensile fracture rate and anti-aging performance, and other properties also meet the relevant standard requirements of PE pipes.
Owner:HAINAN LESSO TECH IND CO LTD
Secondary cooling structure of motor rotor of compressor
ActiveCN224319159Uavoid heat buildupImprove operational reliabilityPump componentsPumpsImpellerElectric machine
This utility model relates to a two-stage cooling structure for the motor rotor of a compressor, comprising a front housing and a rear housing mounted together from left to right. A cooling inlet is connected to the right side of the motor cooling cavity located inside the motor housing. A high-pressure hot gas outlet is connected to the right side of the main compression flow channel. The high-pressure hot gas outlet is connected to a cooler via a high-pressure hot gas connecting pipe, and the cooling inlet is connected to the cooler via a cooling inlet connecting pipe. Several guide vanes are evenly distributed along the circumference on the right side of the impeller, and a drain outlet connected to the motor cooling cavity is provided on the left side of the motor housing. This utility model utilizes the high-pressure hot gas compressed by the compressor, which, after cooling, effectively cools the surface of the motor stator and rotor assembly, forming a closed gas circulation path inside the compressor, avoiding high-temperature accumulation and improving equipment operational reliability.
Owner:SPENDERS ENERGY TECH (SUZHOU) CO LTD
Light source module and lighting device
ActiveCN222480425Uhigh thermal conductivitymaintain stabilityElectric circuit arrangementsLighting heating/cooling arrangementsThermal dilatationMaterials science
The embodiment of the utility model provides a light source module and a lighting device, a plurality of ceramic substrates of the light source module are tiled and connected to a copper substrate at intervals, the plurality of ceramic substrates are electrically connected through gold wires, the surface, deviating from the copper substrate, of each ceramic substrate is connected with one or more LED light-emitting chips, and the LED light-emitting chips are electrically connected with the copper substrate. The transparent cover is connected to the copper substrate and covers the LED light-emitting chips, heat of the LED light-emitting chips can be transmitted to the copper substrate through the ceramic substrate, the heat conductivity of the copper substrate is high, the heat generated by the LED light-emitting chips can be rapidly dissipated to surrounding air or other structures, the working temperature is effectively reduced, and the service life of the LED light-emitting chips is prolonged. According to the light source module, the multiple ceramic substrates can jointly disperse the thermal expansion influence of the copper substrate, the situation that due to the fact that a single and large-size ceramic substrate is adopted, serious buckling deformation and even tension cracking happen is avoided, the warping degree of the light source module is effectively reduced, and the potential damage risk caused by thermal stress concentration is further reduced.
Owner:YLX INC
A mold for producing a train squat toilet
ActiveCN224476344UExtended service lifeProtected from rebound damageHydraulic cylinderResidual vibration
The utility model discloses a train squatting closet production mould in the technical field of squatting closet mould, including mounting seat, the hydraulic cylinder is fixedly installed on the mounting seat, be provided with the workstation on the mounting seat, be provided with the upper pressure mould on the output of hydraulic cylinder, the lower mould is slidably connected on the workstation, be provided with the cavity between the workstation and lower mould, be provided with buffer assembly in the workstation, buffer assembly includes pressure pipe and spring. The utility model discloses a pressure pipe and spring are combined buffering, wherein, the hydraulic cavity in pressure pipe forms multistage damping through spiral vortex hole and flow guide groove, and the air cavity utilizes the compressibility of air to absorb residual vibration, and the guiding structure of workstation is cooperated, reduces the vibration and impact in the stamping process, protects the mould structure from the resilience damage, ensures product size accuracy, prolongs the service life of mould simultaneously.
