25results about How to "Good insulation performance" patented technology

The utility model provides a dehumidification bathroom cabinet which comprises a cabinet body, a drawer and a dehumidification device. A dehumidification cavity with a drawer installation opening, a dehumidifier installation position and a water outlet is formed in the cabinet body, and magnetic metal strips are arranged on the periphery of the drawer installation opening. A panel of the drawer is provided with a magnetic adhesive tape, and when the drawer is in a closed state, the magnetic adhesive tape adsorbs the magnetic metal strip to form a sealing structure between the drawer and the cabinet body. The dehumidification device is installed at the dehumidifier installation position, and a water drainage pipe of the dehumidification device extends to the periphery of the dehumidification cavity through the water drainage opening. According to the dehumidification bathroom cabinet, on one hand, the space in the cabinet body is actively dehumidified through the dehumidification device, on the other hand, a sealing structure with high sealing performance is formed between the drawer and the installed dehumidification cavity through the magnetic adhesive tape and the magnetic attraction metal strip, external water vapor can be prevented from entering the cabinet again after dehumidification is finished, and the dehumidification effect is improved. Therefore, the dehumidification effect of the internal space of the bathroom cabinet is improved.

The invention provides a method for preparing a thermal insulation material by a dry method, the thermal insulation material and a household appliance, and relates to the field of thermal insulation materials. The method for preparing the thermal insulation material by the dry method comprises the following steps: providing a hard shell, wherein the hard shell is provided with a first opening and a second opening which are communicated with an inner cavity of the hard shell; the hard shell is filled with dispersed organic fibers from the first opening in an air blowing mode, so that the heat insulation material is formed. According to the technical scheme, the hard shell can provide high-strength internal and external support for the heat insulation material, the hard shell is filled with the dispersed organic fibers, the heat insulation material has the beneficial effects of being low in heat conduction, easy to process, clean and environmentally friendly, the organic fibers are in a dry state in the processing process in an air blowing mode, and therefore the heat insulation material is not prone to cracking. The final dryness can be ensured, and the processing efficiency is improved; in addition, no additional dispersant is needed, damage of the dispersant to organic fibers can be avoided, and the quality of the thermal insulation material is improved.

The utility model discloses an A2L hot surface ignition temperature test special device, which comprises a test box and a spraying type pipe arranged in the test box, the surface of one end of the spraying type pipe is fixedly connected with a refrigerant tank with a valve, one side of the refrigerant tank is provided with the valve which is communicated with the interior of the refrigerant tank through the spraying type pipe, and the other side of the refrigerant tank is provided with the spraying type pipe. A glass barrel is arranged on the peripheral side, close to one end, of the spraying type pipe, a metal disc is fixedly installed on the surface of the lower end of the glass barrel, a thermocouple is fixedly installed on the surface of one side of the metal disc, a heat insulation pad is fixedly connected to the peripheral side surface of the metal disc, and one side, extending to the heat insulation pad, of one end of the metal disc is fixedly connected with a heating plate; according to the utility model, through the arrangement of the spraying type pipe, stable conveying and controlled release of the refrigerant can be realized, the refrigerant can be accurately sprayed on the metal disc, and the refrigerant is fully contacted with the hot surface, so that the ignition temperature of the hot surface is tested, and the effect of accurate test result is achieved.

The utility model relates to the technical field of box wallboard, disclose a kind of box wallboard structure of high efficiency prevents cold bridge, including refrigeration box, and refrigeration box two sides symmetry are provided with wallboard, and wallboard includes veneer, and fill slot is opened in veneer, and heat preservation board is provided in veneer, and inner layer soft board is provided on veneer, and hollow layer is provided between heat preservation board and inner layer soft board, and hollow layer is filled with argon, and heat insulation in refrigeration box can be realized using heat preservation board, and hollow layer is arranged between inner layer soft board and heat preservation board, when pork impacts inner layer soft board, inner layer soft board will be appropriately deformed, while argon in hollow layer will be compressed, and then the impact force brought by pork impacting inner layer soft board is consumed, while argon is lower than air heat conduction coefficient, to further improve the temperature insulation effect of box wallboard, avoid the heat conduction path at its fracture after heat preservation layer fracture, and then cold bridge appears, improve the refrigeration effect of the pork transported, and guarantee the freshness of pork.

A non-standard vacuum insulation panel includes a vacuum insulation panel and an organic insulation panel. The organic insulation panel has a recessed portion in the middle for the vacuum insulation panel to be inserted. The vacuum insulation panel is placed into the recessed portion, and during installation, it is bonded to the organic insulation panel using polyurethane adhesive to improve the fixing effect. The depth of the recessed portion is not less than 20mm, and the thickness of the vacuum insulation panel is 5-8mm less than the depth of the recessed portion. Therefore, after the vacuum insulation panel is placed into the recessed portion, there is a gap between the upper surface of the vacuum insulation panel and the upper surface of the organic insulation panel, enhancing the thermal insulation effect of the wall. This invention, through this combined structure of the vacuum insulation panel and the organic insulation panel, ensures excellent thermal performance of the components while facilitating the integrity of the components during construction. It meets the requirements of high-efficiency energy-saving walls while reducing the cost of the composite panel.

This utility model discloses a side door frame for a refrigerated truck, including vertical frames on both sides. The upper and lower sides of the vertical frames are connected by two sets of horizontal frames, and the horizontal and vertical frames together form the side door frame. This utility model belongs to the field of vehicle technology, specifically referring to a side door frame for a refrigerated truck, and aims to at least solve the problems of poor heat insulation, easy heat exchange between the inside and outside, and easy loss of cold air caused by the one-piece design of the side door frame of the refrigerated truck.

The utility model provides a special glass fiber reinforced plastic wind shield for a cooling tower and belongs to the technical field of wind shields. Comprising a plate body used for wind shielding of the cooling tower, the plate body comprises an outer plate on the outer side and an inner plate on the inner side, a cavity is formed in the inner side of the outer plate, a fixing frame is fixedly connected to the inner side of the cavity, outer elastic plates are fixedly connected to the upper end and the lower end of the inner side of the fixing frame, and a plurality of compression-resistant assemblies are fixedly connected between the two outer elastic plates. The compression-resistant assembly comprises two mounting pieces, the outer sides of the two mounting pieces are fixedly connected with the two outer elastic plates, and the two ends of the inner sides of the two mounting pieces are fixedly connected with compression-resistant elastic pieces. By arranging the fixing frame, the outer elastic plate and the compression-resistant assemblies, when the device encounters large wind power, pressure can be evenly distributed to all the compression-resistant assemblies through the outer elastic plate, deformation is achieved through the compression-resistant elastic pieces, kinetic energy is absorbed, the compression-resistant performance of the device is improved, the practicability of the device is improved, and the service life of the device is prolonged.

The utility model relates to the technical field of doors and windows, and discloses an energy-saving sunshade green door and window structure which comprises an installation frame, grooves are formed in the left inner wall and the right inner wall of the installation frame, a winding groove is formed in the upper inner wall of the installation frame, a winding roller is movably installed on the inner wall of the winding groove, and a servo motor is fixedly installed on the left surface of the installation frame. The outer surface of the winding roller is sleeved with a roller shutter cloth body, a balancing weight is fixedly mounted at the lower end of the roller shutter cloth, a storage battery is fixedly mounted on the upper surface of the mounting frame, and a solar power generation film is arranged on the outer surface of the roller shutter cloth body. Through cooperative arrangement of the mounting frame, the groove winding groove, the winding roller, a servo motor, a roller shutter cloth body, a balancing weight, a storage battery and a solar power generation film, the effect of further shading a window is achieved, the situation that indoor temperature rise is too fast, and consequently a resident feels uncomfortable is avoided, consumption of household electric energy is reduced to a certain extent through the solar power generation film, and the service life of the resident is prolonged. And more energy is saved.

The utility model provides a battery device, a power utilization device and an energy storage device, and belongs to the technical field of batteries. The battery device comprises a box body, a heat insulation part and a plurality of single batteries, the box body comprises a protection part, a bottom wall and a side wall connected to the bottom wall, the bottom wall and the side wall define an accommodating area for accommodating a plurality of battery monomers, the protection part is connected to the outer side, deviating from the accommodating area, of the bottom wall, and a filling space is formed between the protection part and the bottom wall; at least one beam body is arranged in the box body, the beam body is connected to the inner side, deviating from the protection piece, of the bottom wall, the beam body is used for dividing the accommodating area into a plurality of sub-areas, and at least one battery monomer is accommodated in each sub-area; the heat insulation component comprises a first heat insulation part and a second heat insulation part, the filling space is filled with the first heat insulation part, and the second heat insulation part is arranged between the beam body and the bottom wall. By arranging the first heat insulation part and the second heat insulation part, the heat insulation capacity of the battery device is improved, and the power and the cost of a heat management system of the battery device are reduced.

The invention provides a thermal insulation material, a preparation method thereof and a household appliance. The thermal insulation material comprises a hard shell and dispersed organic fibers, and the hard shell is filled with the organic fibers. In the technical scheme provided by the invention, the hard shell can provide high-strength internal and external support for the thermal insulation material, and the dispersed organic fibers are used as a filling core material in the shell, so that the thermal insulation material has the beneficial effects of low heat conductivity, easiness in processing, cleanness and environmental protection, and the organic fibers are filled into the high-strength hard shell, so that the thermal insulation material has a good thermal insulation effect. The thermal insulation material with high strength and low heat conduction effect can be obtained.

This utility model relates to the technical field of door and window profile components, and discloses a door and window profile component. It includes an outer frame, an inner frame installed at the upper end of the outer frame, glass fixedly connected to the inner wall of the inner frame, a connecting strip fixedly connected inside the outer frame, a heat insulation strip at the upper end of the connecting strip, and a thermal insulation structure between the outer and inner frame components. When this device is used for heat insulation, when cold air flows through the aluminum outer and inner frame components, the heat insulation strip blocks the cold air, conducting the temperature downwards. The thermal insulation structure slows down the temperature transfer, making it difficult for cold air to transfer from outside to inside the window. Furthermore, when the inner frame component moves the glass, the thermal insulation structure supports the inner frame component, preventing the heat insulation strip from bursting and damaging the outer frame component. The thermal insulation structure also better blocks the gap between the inner and outer frame components, resulting in better heat insulation performance.

The invention discloses a preparation process of an LYSO crystal, and relates to the technical field of scintillation crystal material preparation. The preparation process of the LYSO crystal comprises the following steps: preparing an LYSO precursor by a liquid phase method, growing an LYSO crystal sample by a Bridgman-Stockbarger method, and carrying out heat treatment and segmented annealing treatment on the LYSO crystal sample to obtain the LYSO crystal. The LYSO crystal prepared by the process has few oxygen vacancies, high transparency and strong light output, and the crucible material used in the process steps is a calcium oxide stabilized zirconia crucible, so that the instrument cost is greatly reduced.

The application discloses a kind of for deep cooling tank box tank truck inner and outer tank body set device and set method, including cantilever device, winding device and electric roller frame.Cantilever device is equipped with big arm and first support platform that can slide vertically, for supporting the end of inner container from inside shell.Winding device is equipped with two gantry supports and second support platform that can slide in two dimensions, for supporting the two ends of inner container and can move as a whole.Electric roller frame is used to carry and axially drive shell.Set method includes: making big arm pass through shell;Inner container is fixed with winding device and moves to work station;The end of inner container is handed over to first support platform;Multi-point collaborative adjustment makes the axis of inner and outer tank body accurately coincide;Move shell to make inner container smoothly set into;Install fixed support to complete set.This application changes the traditional hoisting set mode completely by multi-point support, posture accurate adjustment and shell active movement, solves the problem of easy scratching, poor precision, low efficiency and big safety hazard in the process of set.

This invention relates to the field of valves, and in particular to a liquid helium shut-off valve with a bellows vacuum jacket. An inner bellows is provided between the valve stem and the valve cover, with one end abutting the valve cover and the other end extending into the valve body. A bellows vacuum connector perpendicular to the valve stem axis is provided on the valve cover, penetrating the side wall of the valve cover. A vacuum environment is created inside the inner bellows through the bellows vacuum connector. A low-temperature epoxy fiberglass filling ring is filled between the inner bellows and the valve body. A winding layer is provided on the outer wall of the valve body, including an insulating layer and a heat radiation protection layer. A vacuum jacket is also provided on the outer wall of the valve body, fixedly connected to the valve body via an expansion joint. A vacuum evacuation connector is provided on the side wall of the vacuum jacket, creating a vacuum environment inside the jacket through the vacuum evacuation connector. The vacuum inner bellows and the low-temperature epoxy fiberglass filling ring reduce heat conduction at the valve stem-valve cover mating point, while the insulating layer, heat radiation protection layer, and vacuum jacket reduce heat radiation from the valve body, resulting in good cold insulation.

A kind of filling device for cryogenic spherical tank interlayer cold insulation material, nitrogen tank outlet is sequentially communicated with the inlet of pneumatic dust pump by valve and nitrogen pipeline, cold insulation material filling box is sealed with the inlet of pneumatic dust pump by cold insulation material transport pipe I, the top interlayer of cryogenic spherical tank is sealed with pneumatic dust pump by cold insulation material transport pipe II;Vacuumizing port is arranged at the bottom interlayer of cryogenic spherical tank, and the vacuumizing port is sealed with vacuumizing pipeline, high vacuum baffle valve is installed on the vacuumizing pipeline at the vacuumizing port, and the tail end of vacuumizing pipeline is sealed with filter;Vacuum pump unit is connected with filter, cooling water system is connected with the inlet and outlet of vacuum pump unit;Vibration motor is installed in the lower part of outer spherical tank of cryogenic spherical tank.The utility model has the advantages of simple structure, easy installation, can greatly improve filling efficiency and heat insulation performance, reduce the heat loss of cryogenic spherical tank.

The utility model relates to the technical field of dies, in particular to a nail tooth metal shell heat insulation forming die. According to the technical scheme, the forming die comprises a forming core die, a forming male die, a forming female die, a heat insulation layer, a forming cylinder and a metal shell, the forming male die is used for forming the inner shape size of the heat insulation layer and is matched with the forming core die and the forming female die through positioning holes or positioning pins, and the forming female die is used for restraining the forming cylinder and preventing the metal shell from deforming in the forming process; and the heat insulation layer is pre-formed into a step-shaped structure matched with the forming core mold and is bonded with the metal shell through an integral forming process. According to the utility model, the constraint of the forming cylinder on the outer side of the shell is increased, the forming process is simplified, the processing steps are reduced, the production efficiency is obviously improved, and compared with the traditional process, the heat insulation forming of the metal shell can be completed in a shorter time, and the production cost is reduced.

The utility model provides a preservation box for tsamba food, and relates to the technical field of preservation boxes, the preservation box comprises a box body and a preservation cover, a drying agent storage barrel is fixedly connected to the preservation cover in a penetrating mode, and a plurality of air holes are circumferentially formed in the position, close to the bottom of the preservation cover, of the side face of the drying agent storage barrel. The inner side of a box opening of the drying agent storage barrel is in threaded connection with a spiral cover, a flange of the spiral cover is fixedly connected with a plurality of connecting rods distributed in an annular array, and the bottoms of the connecting rods are fixedly connected with a breathable plate. The desiccant can be conveniently replaced and effectively sealed, the desiccant can be taken out from the barrel opening of the desiccant storage barrel by screwing the spiral cover, the breathable plate is driven by the connecting rod to be taken out from the desiccant storage barrel, the desiccant can be directly poured into the desiccant storage barrel, replacement can be completed, and operation is easy and convenient.

According to the technical scheme, the heat preservation type high-temperature water vapor pipe sleeve with the anti-tearing function is characterized by comprising high-strength fiber cloth, and a metal net is fixed to the inner circle wall of the high-strength fiber cloth in an adhering mode; the heat preservation assembly is arranged on one side of the metal net and used for heat preservation, the high-strength fiber cloth has excellent strength and wear resistance, the overall tear resistance is further enhanced by adding the metal net, and therefore when the pipe sleeve is subjected to long-term scouring of high-temperature water vapor and possible mechanical damage, the heat preservation assembly can be prevented from being damaged; the integrity and stability of the structure can be kept, the high-strength fiber cloth and the metal net are combined, so that the pipe sleeve can bear higher temperature and pressure, the service life of the pipe sleeve is prolonged, the main function of the heat preservation assembly is to reduce heat loss of water vapor in the pipeline transmission process, the transmission efficiency of the water vapor can be improved, and the service life of the pipe sleeve is prolonged. And the energy cost can be saved.

This invention provides a flame-retardant and heat-insulating composite material and its preparation method, belonging to the field of flame-retardant and heat-insulating materials. The flame-retardant and heat-insulating composite material provided by this invention includes multiple functional layers and an adhesive layer disposed between adjacent functional layers; each functional layer is independently a heat-insulating cotton pad or a heat-conducting foil; at least one of the outermost layers of the flame-retardant and heat-insulating composite material is a heat-insulating cotton pad; the number of heat-conducting foil layers is not less than two, and adjacent functional layers are not simultaneously heat-conducting foils; the adhesive layer is a high-temperature resistant resin. The heat-insulating cotton pad and heat-conducting foil in the flame-retardant and heat-insulating composite material provided by this invention have flame-retardant properties; when the heat insulation performance is tested using a soldering iron, the temperature on the front of the iron sheet is concentrated at 229°C, while the temperature on the back after passing through the heat-insulating material is uniformly distributed and only 61°C, exhibiting good high-temperature resistance, flame-retardant properties, heat insulation performance, and heat insulation uniformity, and can be used for a long time.

The utility model provides a kind of support structure and double-layered spherical tank, including multiple inner support structures and outer support structure;Inner support structure is arranged between the inner spherical tank and outer spherical tank of double-layered spherical tank, multiple inner support structures are arranged on first plane, first plane is lower than the plane of inner spherical tank inner ball center, multiple inner support structures are evenly arranged along the circumference of inner spherical tank;Inner support structure includes with inner spherical tank non-fixed contact inner spherical tank contact surface, with outer spherical tank non-fixed contact outer spherical tank contact surface;Inner support structure can slide relative to inner spherical tank;The strength of inner support structure meets the strength condition of inner support structure established according to first strength theory;Outer support structure connects outer spherical tank, for supporting outer spherical tank on ground surface, support structure uses relatively simple structure, not only simple production and assembly, but also have good degree of freedom and heat insulation effect.

The application discloses a sealed and insulated tank for storing liquefied gas and a ship for transporting liquefied gas. The sealed and insulated tank is arranged in a supporting structure, the supporting structure comprises an upper supporting wall; the upper supporting wall and the sealed membrane and the thermal insulation layer are partially interrupted to bound a loading and unloading opening, the loading and unloading opening is used for allowing a liquefied gas loading and unloading pipeline to pass through the loading and unloading opening, and the tank comprises a cover arranged in the loading and unloading opening; the sealed membrane comprises a terminal bent connecting part at the interruption, and the terminal bent connecting part is fixed to the supporting structure through an upper surface or a lower surface of a sealed membrane connecting part extending in a wall thickness direction. The terminal bent connecting part of the sealed membrane is welded to the upper surface of the sealed membrane connecting part, the effective welding area is greatly increased without increasing the thickness of the connecting part, the welding strength is greatly improved, meanwhile, the thin connecting part significantly reduces the heat bridge effect, reduces the cold leakage amount, and effectively solves the contradiction between the sealing and the thermal insulation at the dome.

The present application provides a refrigerator which ensures the strength of a cabinet and reduces the amount of foamed thermal insulation material filled. The refrigerator of the present application has a cabinet which forms a storage chamber with an open front, is filled with foamed thermal insulation material in the area between an inner cabinet and an outer cabinet, and has a larger upper and lower dimension than a left and right dimension. The left and / or right side of the cabinet is configured to have a front end thermal insulation material which is continuously filled with the foamed thermal insulation material in the front end in the upper and lower direction, to have an area with a smaller thickness in which the foamed thermal insulation material can flow compared to the surrounding area, and to have other thermal insulation material with a higher thermal insulation performance than the foamed thermal insulation material.

The invention discloses a heat insulation sealed storage tank and an installation method thereof, and the storage tank comprises a tank wall, an insulation box and a gap, and further comprises an elastic anti-convection element and a limiting insertion column; according to the installation method, the mode that the limiting columns are accurately positioned and fixed in advance, then the anti-convection elements are connected, and finally blind pressing assembly of the insulation box is completed through mechanical limiting of the structure is adopted, and the pressing process which originally highly depends on experience of constructors is converted into standard action which depends on mechanical size control. Normal pressing force is directly applied to the elastic anti-convection elements through the side faces, close to the tank wall, of the insulation boxes, and the elastic anti-convection elements are forced to generate transverse expansion deformation and are squeezed into gaps between the adjacent insulation boxes. Compact physical plugging of the bottom gap is achieved, a convection channel for gas flowing is cut off, the thermosyphon effect is reduced, the assembly alignment process is simplified through structural cooperation, and the overall heat insulation sealing performance and structural reliability of an enclosure system are enhanced.

This utility model relates to the field of heat preservation furnace technology, specifically a heat preservation furnace with heat insulation function. It includes a heat preservation furnace body, with a sealing cover plate installed on one side surface. The heat preservation furnace body has an inner shell and an outer shell. The inner shell has a first vacuum insulation layer, and the outer shell has a second vacuum insulation layer. A ceramic fiber layer is installed between the inner shell and the outer shell, and a heat insulation component is installed inside the ceramic fiber layer. In this improved heat preservation furnace, nitrogen stored in a gas tank is sequentially delivered to each gas bladder through a first and second gas pipe using a gas pump, filling the gas bladders with nitrogen. The low thermal conductivity of the gas helps improve the heat insulation effect of the heat preservation furnace body, reducing heat conduction. Furthermore, the first vacuum insulation layer of the inner shell and the second vacuum insulation layer of the outer shell provide heat insulation, preventing heat loss.

The utility model discloses a multi-layer heat insulation pipe for conveying high-temperature steam, which is applied to the field of high-temperature steam conveying and comprises an inner pipe, an outer pipe, an infrared radiation reflecting layer, a first heat insulation layer and a second heat insulation layer, the second heat insulation layer and the first heat insulation layer are distributed in a staggered mode, and when the multi-layer heat insulation pipe is used, the first heat insulation layer is formed by splicing two semicircular assemblies. The second heat insulation layer adopts the same structure, but is staggered with the joints of the first layer, and covers the splicing gaps of the first layer, so that heat needs to penetrate through more layers of materials, and double heat resistance is realized by prolonging the heat flow path and increasing the interface heat resistance; and then the outer protective layer resists mechanical shock, chemical corrosion and environmental aging.