26 results about "Heat penetration" patented technology

The invention discloses a cold-chain logistics energy consumption optimization method and system based on digital twinning, relates to the technical field of cold-chain logistics, and provides the following scheme that the method comprises the steps that an environment data distribution field in a cold-chain carrier and space coordinates of goods units are obtained and synchronized to a virtual body instantiated based on an existing digital twinning platform, and the space coordinates of the goods units are obtained; local environment information vectors are extracted from the environment data distribution field according to the space coordinates of all the goods units, and the equivalent heat exchange flux value of the surface of each goods unit is calculated through a heat balance equation in combination with the physical parameters of all the goods units. According to the method, the digital twin virtual body is constructed, the continuous environment field is synthesized, and the metamorphic reaction rate field is iteratively calculated in combination with the thermal penetration-metamorphic dynamics coupling model, so that the defects that a traditional monitoring system depends on scattered temperature and humidity point data, lacks the three-dimensional environment field modeling capability and cannot quantitatively predict the metamorphic rate are overcome; the full-dimension continuous reconstruction of the environment field in the cold chain carrier and the dynamic quantitative prediction of the corruption rate of the goods are realized.

The invention relates to the field of cables, and discloses a high-voltage fire-resistant cable, which comprises an outer layer, a skeleton structure is arranged in the outer layer, a plurality of groups of wire cores are arranged between the skeleton structure and the outer layer at equal intervals, and a reinforcing core is arranged in the skeleton structure. A middle fireproof layer adopts a ceramic silicone rubber composite system (containing 25 parts of phlogopite, 8 parts of nanometer aluminum oxide and a ceramic accelerant) with an optimized proportion, a hard protective shell with the density being larger than or equal to 1.8 g / cm < 3 > can be rapidly ceramized at the temperature of 320 DEG C, the synergistic flame-retardant effect of surface layer high-flame-retardant PVC (the oxygen index is 32) is matched, and the flame-retardant effect is good; the cable can continuously block heat permeation in flame of 950-1000 DEG C for 180 minutes, the temperature of the inner layer is stably controlled to be below 180 DEG C and is far lower than the insulation tolerance limit of a cable core, the pain point of'rapid failure in fire 'of a traditional cable is thoroughly solved, and golden rescue time is won for power emergency guarantee in key scenes such as high-rise buildings and subway tunnels.

The invention relates to the technical field of asphalt mixture processing and manufacturing, and discloses a recycled asphalt mixture production method which comprises the following steps: a control center receives an instruction to lock a mechanical gate, disconnects a linkage state of a primary device and a regeneration device, and establishes a single-roller operation state; the asphalt pavement milling material is put into a reclaimed material roller for single-roller direct heating; performing water vapor protection, flow field decoupling and thermal permeation anti-oxidation control on the heated regenerated material through a frequency converter and a combustor, and outputting an activated regenerated material; and discharging into a mixing cylinder for dry mixing, calculating an active power attenuation derivative to judge a thermal activation state, and generating a cross-stage feedforward correction instruction to complete continuous production. A cold air leakage path is cut off, free oxygen is blocked by water vapor, internal heat permeation conduction is switched, and high-temperature aging of old asphalt is avoided; the internal cold core is objectively recognized through electrical characteristics, the operation speed is lowered, the material heating time is prolonged, and continuous output of unqualified products is blocked.

The application discloses a power cabinet fault positioning device and a use method thereof, and belongs to the electric power field. The power cabinet fault positioning device and the use method thereof are characterized in that the geographic position information of a fault power cabinet is determined through a power grid geographic information system. A worker slides a branch ring out of the inside of a fixed pipe, thereby facilitating observation of whether the inside line of the branch hole is damaged, rotating the rotating ring, thereby adjusting the stress position of the outer end of the cable and the orifice of the main line hole. When the cable breaks down, the semiconductor reduces the penetration of voltage to the inner wall of the connecting pipe, and the heat is transferred to the inside of the storage ring. The stronger the conductivity of the semiconductor is, the higher the temperature of the area where the color-changing temperature-sensitive paper changes color is, thereby positioning the cable fault position. The aluminum oxide ceramic coating has good insulation effect and heat penetration, effectively reducing the personal injury caused by voltage. The heat is transferred to the upper end of the color-changing temperature-sensitive paper, thereby facilitating better identification of the fault area by the worker.

The invention discloses a power supply connecting line AI adaptive temperature closed-loop regulation system, and relates to the technical field of power supplies, and the technical scheme is characterized in that real-time load parameters of a current power supply connecting line are acquired; establishing a thermal adaptation prediction model based on the historical load parameters and the historical thermal deformation repair adjustment data, and inputting the real-time load parameters into the thermal adaptation prediction model to obtain a basic temperature adjustment value; performing heat conduction simulation according to the real-time load parameters to obtain simulated thermal deformation characteristic data; processing the historical thermal penetration area, the historical line body aging area, the historical thermal deformation characteristic data and the pseudo-thermal deformation characteristic data to obtain the thermal penetration area of the coupling influence area; obtaining an actual temperature adjustment value according to the basic temperature adjustment value, the pretreatment temperature change rate, the thermal permeation area and the thermal deformation additional loss value; and performing temperature closed-loop regulation on the power supply connecting line according to the actual temperature regulation value and the thermal permeation area. The effect is that the reliability and stability of the whole power supply system are improved.

The invention relates to the technical field of textile fabric treatment, in particular to an efficient heat setting process of spandex Rome cloth brushing fabric, which comprises the following steps: S1, fabric pretreatment: obtaining fabric with uniform stress and moisture content lower than 5% by installing a steaming box and an infrared pre-drying box of an on-line moisture content monitor; s2, fabric shaping: dividing a shaping machine into four sections of temperature zones, and additionally arranging a multi-point thermocouple array in each section of temperature zone; through the combination of multiple sections of temperature zones and a thermodynamic model and the innovation of the pretreatment process, the process has the advantages of high setting efficiency and reduced production cost, and solves the problems that the retention time of the fabric in a setting machine is long and the production cost is low due to inaccurate temperature control and low thermal penetration efficiency in the traditional heat setting process. The problems that the production efficiency is reduced, the heat energy utilization rate of the heat setting machine is not high, a large amount of heat energy is wasted, the energy consumption cost is increased, and environmental protection is not facilitated are solved.

The invention belongs to the technical field of agricultural equipment, and particularly relates to a ground surface disinfection device based on thermal penetration, which comprises a frame-shaped rack provided with a plurality of combustors and a power source arranged on the rack, the rack is detachably connected with traction equipment, the combustors are arranged in rows at intervals along the operation direction, and the power source is arranged on the frame-shaped rack. An annular belt for conveying soil is rotationally arranged on the rack below the combustor; a soil shoveling plate is further arranged at one end of the machine frame in the operation advancing direction, moving wheels are arranged at the other end of the machine frame, the soil shoveling plate is obliquely arranged, the bottom end of the soil shoveling plate is used for cutting into the earth surface to conduct soil shoveling operation, and the top end of the soil shoveling plate extends to a top belt body of the butt joint annular belt. And an input shaft of the rotating driving ring belt is in transmission connection with an output shaft of the power source through a chain wheel transmission or belt wheel transmission structure. According to the device, in the moving process of the device, surface soil with the target depth can be moved into a stable heat treatment environment to be subjected to high-penetrability heating treatment, and the killing and cleaning effects on harmful substances in the surface soil are improved.

The invention discloses a forging heating method for W9Cr4V2Mo steel for a bearing ring, and relates to the field of bearing part forging. The problems that existing W9Cr4V2Mo steel for bearings is long in forging heating time, large in deformation resistance and prone to cracking during deformation are solved. The method comprises preheating; opening the furnace for cooling, and loading a bar material; and closing the furnace, heating and preserving heat. According to the method, the high-temperature heat preservation temperature is controlled to be 1170 DEG C, the heat penetration coefficient is controlled to be 0.25, the heating temperature is increased, the heat preservation time is shortened, heat preservation structures are heated thoroughly, and meanwhile the production heating efficiency of the raw forgings is improved. The method is used for forging and heating the W9Cr4V2Mo steel for the bearing ring.

This utility model discloses a heat-insulating and sound-insulating door and window profile, including a door and window frame. An auxiliary window mechanism is provided on the inner side of the door and window frame. The auxiliary window mechanism includes a window frame movably connected to the inner side of the door and window frame. An inner cavity groove is formed inside the window frame, and an insulating ring is placed inside the inner cavity groove. A limiting strip is fixedly connected to one end of the insulating ring, and a connecting strip is fixedly connected to the front end of the insulating ring. A main insulating ring is fixedly connected to one end of the connecting strip, and a secondary insulating ring is fixedly connected to the other end of the connecting strip. This heat-insulating and sound-insulating door and window profile, through the main and secondary insulating rings pulling the limiting strip and connecting strip, and with the main and secondary insulating rings covering the outside of the insulating ring, and by connecting the main and secondary insulating rings to the insulating ring via the limiting strip and connecting strip, achieves the purpose of reducing heat penetration and sound wave resonance, thereby achieving heat insulation and sound insulation effects.

The invention relates to the technical field of supply chain management, in particular to a medicine supply chain scheduling method and system based on reinforcement learning, and the method comprises the following steps: obtaining the temperature difference and heat conductivity coefficient inside and outside a carriage, calculating the heat penetration rate and thermal safety time limit, planning a path, and correcting the speed based on a congestion index to obtain the predicted passing time; and comparing the time limit with the deadline to generate an action mask vector, inputting the environmental parameters into a neural network to output a score, correcting by utilizing an action mask, and generating a scheduling instruction through a Softmax function. According to the method, the thermal safety time limit is accurately deduced, the action mask is constructed by using the thermal safety time limit and the delivery deadline as double constraints, invalid nodes are eliminated, the multi-dimensional parameters are input into the neural network, the probability distribution is generated under the mask constraint, and it is ensured that the vehicle scheduling instruction follows the temperature control safety threshold. The risk of medicine thermal failure is effectively avoided, and the cold-chain logistics distribution accuracy is improved.

The present application relates to the technical field of digital temperature control, in particular to an HVAC energy-saving adaptive control system and method based on AI optimization, which comprises an internal zone heat load analysis module, an external heat penetration quantification module, a wind-water linkage cold quantity optimization module, a cold-electricity conversion efficiency measurement module and an actuator driving reconstruction module. In the present application, by analyzing the superposition process of indoor air specific enthalpy and human body heat dissipation, the disturbance value caused by building envelope thermal inertia is calculated, the energy efficiency attenuation amplitude under variable frequency working condition is quantified, the execution mechanism control loop parameters are reconstructed by using reinforcement learning, the heat load prediction accuracy is effectively improved, the matching degree of cold quantity supply and actual demand is strengthened, the equipment operating frequency is optimized to suppress efficiency decline, the real-time monitoring and dynamic compensation of refrigeration system energy efficiency ratio are realized, mechanical wear and tear and hydraulic imbalance fluctuation are greatly reduced, air conditioning operation stability is enhanced, and the system can achieve efficient energy-saving adjustment goal under all working conditions.

The application discloses an intelligent computer laboratory management method and system based on Internet of Things, and relates to the technical field of computing power resource supervision and management. The method obtains terminal workstation space coordinates, physical network card addresses and cold aisle air supply characteristics based on digital mapping, converts computing power peaks into estimated heat equivalent, and collects personnel trajectory coordinates; the heat equivalent is mapped to generate an estimated heat island boundary, and the air supply characteristics are topologically compared to extract a heat dissipation margin, and the terminal with a positive remaining margin is reserved as a candidate node; target terminals are determined by comprehensively supervising business and security continuity, and an authorized code, a network card address and a trajectory coordinate are associated to generate a hardware-level access control list and distribute tasks; during the task running period, real-time heat island boundaries are reconstructed relying on digital twinning to extract heat dissipation attenuation gradients, and personnel dynamic deviation distances are calculated, and when heat penetration or off-line is indicated, the port is blocked and task live migration is scheduled. The system is used for realizing the above method.

This invention relates to the field of process control technology, specifically to an intelligent control method and system for the green firing process of porcelain insulators. The method includes the following steps: collecting the operating temperatures of the front temperature zone, the current temperature zone, and the rear temperature zone of the kiln; generating the temperature difference between adjacent temperature zones and comparing its direction with historical temperature differences to obtain the heat penetration status identifier of each temperature zone; extracting the temperature and time before and after the inflection point of the firing curve; classifying and generating segmented curve execution commands; generating equivalent input heat based on gas flow rate and low-grade calorific value; calculating the segmented quota of gas calorific value and adjusting the gas valve opening. In this invention, by continuously identifying changes in heat penetration of adjacent temperature zones, the slope of the inflection point of the linkage curve, the loading thickness of the green body, the continuous state of temperature deviation, and the equivalent heat of the gas, the firing curve switching is matched with the gas supply to meet the heating demand of the green body, reducing over-firing or under-firing at the inflection point stage, improving the stability of thermal balance, and reducing ineffective gas consumption.

The present invention relates to the technical field of nuclear fuel accident simulation, and discloses an off-core simulation experimental device for nuclear fuel behavior under a reactivity introduction accident. The device comprises a high-temperature steam chamber, a cladding, an insulating tube, at least one pellet, an energizing component, and an induction heating component. The high-temperature steam chamber is provided with a cladding, the interior of the cladding is provided with an insulating tube, the interior of the insulating tube is provided with at least one pellet, and the high-temperature steam chamber is further provided with an energizing component and an induction heating component. The energizing component is connected to both ends of the pellet, so that the pellet can be energized and the pellet itself can be heated, while the conductivity of the pellet can be changed, and then the pellet can be inductively heated by the induction heating component. The superposition of the two can provide extremely high heating power for a short time, simulating the rapid high power density change under a reactivity introduction accident, and effectively solving the technical problems of low heating power, non-self-heating, and insufficient heat penetration depth in traditional heating.

The utility model discloses a heat insulation and sound insulation roof panel, which relates to the technical field of roof panels and comprises a panel body, a concave groove is arranged in the middle of one side of the panel body, the panel body comprises an outer coating layer, a sound insulation layer and a heat insulation layer, the sound insulation layer is adhered to the upper side of the heat insulation layer, the outer coating layer wraps the sound insulation layer and the heat insulation layer in a surrounding manner, and the concave groove is arranged in the concave groove. The sound insulation layer and the heat insulation layer are wrapped in the inner cavity through the outer coating layer, through extrusion forming, the outer coating layer is made of aluminum-magnesium-manganese or alloy or other metal, the good anti-rust effect is achieved, strength support is provided, the sound insulation layer is made of sponge, and the porous structure of the sound insulation layer is used for noise reduction. The heat insulation layer is made of mineral fiber materials, has excellent heat insulation performance and reduces heat permeation, and therefore the heat insulation and sound insulation effects are achieved.

The application belongs to the technical field of metal material hot working, and particularly relates to a microstructure and performance regulation method for high-forging-ratio TA15 titanium alloy components. The method comprises the following steps: S1: blank heating, placing the blank in a heating furnace to heat to T1 temperature and heat penetration; S2: blank fast forging, taking the blank out of the furnace after heat penetration, performing multi-fire-time forging to prepare a blank on a fast forging machine to obtain an intermediate blank; S3: intermediate blank heating, placing the intermediate blank in the heating furnace to heat to T2 temperature and heat penetration; S4: die forging, taking the intermediate blank out of the furnace after heat penetration, performing die forging on a die forging press to obtain a final forging piece; and S5: post-forging treatment. The application effectively improves the internal microstructure uniformity and strength level of the high-forging-ratio TA15 titanium alloy forging piece by adjusting the forging heating temperature and deformation distribution in the blank preparation and die forging processes without increasing the remaining processes, so that the strength level is 30 MPa higher than the standard requirement.

The novel kiln with the side auxiliary heating function comprises a kiln body, a plurality of roller bars are rotationally connected to the interior of the kiln body in a linear array mode, a heating assembly is arranged in an inner cavity of the kiln body, and a top plate is installed at the top of the kiln body; according to the novel kiln with the side auxiliary heating function, through the collaborative design of the heating assembly and the side auxiliary heating mechanism, the problem that in the heating process of a traditional kiln, temperature blind areas are likely to be formed on the two sides of a sagger is solved, and the temperature deviation between the center and the edge side of the sagger can be eliminated; the heat penetration efficiency can be obviously improved when the materials in the sagger are stacked thicker, the sintering conditions of all parts of the materials are ensured to be consistent, the stability of the sintering quality is greatly improved, and the rejection rate is reduced; through the cooperative design of the adjustable sliding table and the wire harness supporting mechanism, the wire harness extending out of the side auxiliary heating mechanism is flexibly supported and fixed, the wire harness is prevented from making direct contact with the outer wall of the furnace body with the high temperature, and the wire harness is effectively prevented from being aged and damaged due to the high temperature.

The invention relates to the technical field of heat preservation pipes, in particular to a steam prefabricated directly-buried heat preservation pipe fitting which comprises a pipe core and a first heat preservation layer wrapping the outer wall of the pipe core, the outer wall of the first heat preservation layer is fixedly connected with heat reflection plates, the heat reflection plates are annularly arranged, and the whole heat reflection plates are arranged in a multi-section S shape; the first heat preservation layer blocks heat permeation through physical heat insulation and inhibits air convection heat exchange, the heat reflection plate reflects permeation heat back to the tube core by means of high reflectivity, the multi-section S-shaped arrangement increases the heat reflection contact area and can guide multiple times of reflection of infrared radiation, the annular arrangement ensures uniform reflection of heat on the periphery of the tube core, local heat preservation failure is avoided, and the heat preservation effect is good. Through cooperation of the two parts, the heat loss rate of the pipe fitting is effectively reduced, the energy utilization efficiency of steam conveying is improved, and the energy consumption cost is reduced.

The invention discloses a high-heat-efficiency material cooking device, and particularly relates to the technical field of cooking equipment, by adopting a mode of crushing materials outside a tank body, uniform particle size is ensured, steam penetration and rapid heating are facilitated, large tissues in the tank body are prevented from hindering heat penetration, high-temperature steam penetrates to a deep tissue area in a short time, and the heat efficiency of the material cooking device is improved. During feeding, a butt joint port vertically slides downwards, penetrates through two opened clamping frames and then is in contact with a feeding port in an attached mode, a clamping air cylinder drives the two clamping frames to be close to each other, the clamping frames cover the outer portions of the feeding port and the butt joint port, the bottom face of an inner cavity of each clamping frame is in contact with the lower end face of a feeding port flange, and the butt joint port is clamped in the clamping air cylinder. And then an armature in the electromagnet is electrified to push the pressing plate to slide in the clamping frame in a limiting manner, and the pressing plate is in contact with the upper end face of the butt joint port flange, so that the sealing installation of the feeding port and the butt joint port is completed, the whole sealing action is automatically completed, the rotating directions of the tank body and the spiral auger are staged, and the thermal penetration efficiency and the discharging continuity are improved.

The invention belongs to the technical field of thermal resistance measurement, and discloses a thermal resistance measurement probe based on a heat flow focusing effect and an optimization method thereof. The probe is composed of a silicon chip layer, a copper substrate layer and a diamond inverted pyramid frustum layer in sequence, and a heat flow focusing channel is formed by the inclination angle of the side wall of the inverted pyramid frustum layer and used for guiding transverse heat diffusion into longitudinal conduction, so that the heat flux density and distribution uniformity of a contact surface are improved. In order to obtain optimal structural parameters, a multi-objective optimization method based on Taguchi orthogonal design and finite element analysis is adopted to carry out combined optimization on the size and the thickness of the diamond prismatic table and the thickness of the copper substrate. Through simulation verification, the designed probe can realize high-precision measurement of the interface thermal resistance, and the heat flow distribution uniformity and the heat penetration capability are improved compared with those of a traditional structure. The technology can be used for testing the thermal performance of multi-layer structure materials such as a power module solder layer and microelectronic packaging.

The invention discloses an energy-saving and environment-friendly automatic lime dense furnace, and particularly relates to the technical field of lime dense furnaces, the energy-saving and environment-friendly automatic lime dense furnace comprises a base, a heating decomposition assembly is arranged on the base, the heating decomposition assembly comprises a perlite thermal insulation disc arranged at the top of an inner cavity of the base, and a rotary disc is arranged at the top of the perlite thermal insulation disc; and a furnace body is mounted at the top of the rotary table through bolts. The combustion pipe and the heat conduction cylinder can be heated to generate high temperature, then limestone in the furnace body is heated and decomposed into quick lime and carbon dioxide, the large limestone is crushed and stirred when the heat conduction rod rotates, heat can be easily and effectively transferred into the limestone, the calcination time is shortened, heat permeation can be accelerated, and the service life of the limestone is prolonged. And the combustion tube and the heat conduction cylinder can swing up and down in the furnace body due to the friction force of the turntable and the limestone, so that the heating and decomposing effects of the limestone are improved.

The present invention relates to a low-temperature waste heat power generation system based on the principle of thermal osmosis and the utilization of concentration difference energy, and belongs to the technical field of energy, waste heat and waste pressure recovery and utilization. The system is composed of two mutually coupled cycles: an osmotic side cold water cycle and a concentration difference energy power cycle; the osmotic side cold water cycle includes a hydrophobic membrane assembly, a hydraulic turbine, a cooling tower, a cooler, a cold water booster pump and a cooling water pump; the concentration difference energy power cycle includes a gas-liquid separator, an ejector, an absorption evaporator, a steam turbine, a feed water preheater I, a dilute solution pump, a feed water preheater II, a three-way regulating valve, a waste heat heater, a hydrophobic membrane assembly and a feed water pump. The present invention fully utilizes the thermal osmosis of the solution and the exothermic effect of the concentrated solution absorption and dilution process to efficiently recover the available energy of the low-temperature waste heat to produce high-grade mechanical energy or electrical energy, thereby achieving efficient recovery and utilization of the low-temperature waste heat, thereby maximizing the efficiency of the waste heat power generation system.

The invention belongs to the technical field of hydrogen energy storage and transportation equipment, and particularly discloses a multilayer composite fireproof fast-assembly hydrogen storage cylinder cover which comprises a cover body which extends from a cylinder opening valve seat to a middle straight section and is sleeved with an end seal head, and the cover body is provided with a first port and a second port located at the transition position. An inner-layer bearing shell, an energy-absorbing framework layer, a flame-retardant heat-insulating layer and an outer surface layer are sequentially arranged in the radial direction from inside to outside, and each layer forms a fireproof barrier in a corresponding heated temperature area; the module has the following advantages that the end key area is protected preferentially, heat flux reduction and heat penetration delay are achieved, impact peak clipping vibration suppression is achieved, assembly is quick, disassembly is free of glue, positioning is consistent, modular maintenance is supported, and light-weight integration is considered.

The invention provides a tunnel furnace energy consumption optimization automatic regulation and control method, which comprises the following steps: acquiring a reduced temperature set value of a temperature zone at the discharge end of a conveyor belt and an overall temperature distribution state in a tunnel furnace, and evaluating the total adjustment amount of the temperature set value of each zone to obtain an optimized temperature set value; according to the optimized temperature set value and the continuous monitoring data of the conveyor belt speed, the real-time change trend of the thermal penetration depth of the baked product is determined, and the incidence relation of the updated thermal penetration and stay duration data is determined; according to the confirmed accumulated data of the uniform level and the running speed change record, determining the duration data of the new baked product staying in each temperature area; and identifying the stability level of the current running speed of the conveyor belt according to the new stay duration data, and obtaining a comprehensive thermal penetration depth equalization result as a regulation ending mark.

The utility model discloses a kind of heat-resistant infrared detector suitable for high-temperature environment, it is related to detector technical field, including base, the inside installation of base has detector main body;The utility model is cooperated by metal sheet, heat-resistant layer, metal shell and temperature sensor, by metal shell directly contacting external high-temperature environment, most of the radiation heat and convection heat are blocked, while relying on the high-temperature resistance characteristics of alloy itself to resist convection heat erosion, the heat-resistant layer of ceramic fiber cotton in its inside side is blocked by porous structure heat conduction path, reduces heat penetration rate, and the metal sheet outside detector main body is evenly dispersed by large-area contact, avoids local hot spot, while the temperature sensor between metal sheet and metal shell real-time monitoring temperature value, so as to can improve the heat resistance of device, delay its internal element aging, and then can prolong the service life of infrared detector.

The present application relates to a kind of radiation cooling composite film and its preparation method and application, belong to the technical field of radiation cooling material.The radiation cooling composite film of the present application, including micro-nano-porous elastic film and the functional coating attached to the surface of micro-nano-porous elastic film;Wherein, micro-nano-porous elastic film is obtained by the foaming of elastic film, it has micro-nano-cell structure, as the base of composite film can make composite film have the advantages of light, soft, long service life, also have the effect of passive radiation cooling.Again on the surface of micro-nano-porous elastic film there is different functional coating, including heat storage emission function layer and reflection function layer, so that the radiation cooling composite film has excellent radiation cooling effect, resistant to high and low temperature, effectively delay heat penetration etc.Characteristics, can be applied to automotive interior field, realize in-car cooling, relieve in-car temperature too high field, can be mass-produced, with the advantage of high processing efficiency.