12results about How to "Improve cooling performance" patented technology

The invention relates to the technical field of nuclear fusion, and provides a manufacturing method of an uninsulated superconducting coil and the uninsulated superconducting coil, and the manufacturing method comprises the steps that a metal strip and a superconducting strip are stacked and wound to form a coil with a preset number of turns, a wound coil is obtained, and the width of the metal strip is larger than that of the superconducting strip; the wound coil is placed in a soldering tin dipping device to be subjected to soldering tin dipping, and a welded coil is obtained; and removing the soldering tin shell on the annular surface of the welding coil until the metal strip is exposed. The superconducting strip and the metal strip with the width larger than that of the superconducting strip are overlapped, wound and welded, so that the mechanical stability of the uninsulated superconducting coil is improved, meanwhile, the cold conduction effect is enhanced, then the soldering tin shell is removed till the metal strip is exposed, the superconducting strip cannot be damaged when the soldering tin shell is removed, and the production efficiency is improved. The performance of the uninsulated superconducting coil can be guaranteed, the metal strip can be completely separated from the superconducting strip of the adjacent turns, and the inter-turn resistivity is further improved.

The invention relates to the technical field of composite cloth, in particular to breathable cool sandwich composite cloth and a production method thereof. The composite cloth is composed of a surface layer, a middle layer and an inner layer, and the surface layer is made of polypropylene fibers; the middle layer is made of modified polyurethane fibers; and the inner layer is prepared by mixing polyester fibers and linen fibers according to the mass ratio of (7-8): (2-3). The inner layer of the composite cloth is made of the polyester fibers and the linen fibers, the composite cloth is good in hygroscopicity, capable of providing cool feeling and comfortable to wear, the middle layer is made of the modified polyurethane fibers, the heat conduction performance is improved, heat can be rapidly dissipated, the surface layer is made of the polypropylene fibers, the strength of the composite cloth is guaranteed, and the overall air permeability of the composite cloth is good. The cool feeling effect is strong, and the wearing comfort is high.

This invention belongs to the field of functional textile materials and provides a cooling and antibacterial polyester fabric and its preparation method. The invention employs a melt-blended spinning design of a thermally conductive antibacterial core-shell masterbatch and a polyester matrix. The masterbatch uses a zinc oxide submicron rod-shaped inorganic core as its core, coated with a silane coupling layer and a quaternized copolyester shell. During fiber drafting, the one-dimensional zinc oxide rods are aligned axially, significantly improving the longitudinal thermal conductivity of the fiber and enhancing the instantaneous cooling sensation upon contact. Simultaneously, the quaternized copolyester shell exhibits good compatibility with the polyester matrix, constructing a dense, wash-resistant, and antibacterial network. This achieves synergistic optimization of high-strength, fine-denier spinnability with high-filler thermal conductivity, durable antibacterial properties after 50 machine washes with a soft and comfortable feel, and high functionalization efficiency with low migration safety. It resolves the technical contradictions in existing polyester fabrics regarding thermal conductivity and cooling sensation versus antibacterial durability, functionality versus safety, and processability versus comfort, and has broad application value in areas such as intimate apparel and bedding.

The utility model discloses a semiconductor crystal growing furnace, and relates to the technical field of semiconductor crystal growing furnaces. The growth furnace comprises a growth furnace body, a refrigeration circulation cavity is formed in the right side of the upper side in the growth furnace body, a refrigeration sheet cavity is formed in the right side of the inner wall of the refrigeration circulation cavity, and an electric pump cavity is formed in the left side in the growth furnace body. The semiconductor crystal growth furnace has the advantages that the problem of poor heat dissipation performance of equipment due to absence of a circulation structure in a traditional semiconductor crystal growth furnace is solved, the heat dissipation effect of the equipment is improved, the problems of possible overheating and even possible damage to the internal structure of the equipment in the use process of the traditional equipment are solved, the quality of products manufactured by the equipment is guaranteed, and the production cost is reduced. And the use efficiency of the equipment is improved, the stability and safety of the equipment in the use process are guaranteed, the service life of the equipment is prolonged, and the use effect of the equipment is greatly improved.

The utility model relates to the field of warp knitting material structures, in particular to a jacquard vamp material with cool and breathable effects, which is integrally knitted by a warp knitting machine and comprises a cool and breathable area, the cool and breathable area comprises surface layer yarns, inner layer yarns and jacquard yarns, the surface layer yarns are knitted to form a surface layer of a knitted vamp, and the inner layer yarns are knitted to form a surface layer of the knitted vamp. The inner layer yarn is knitted to form an inner layer of the knitted vamp, the inner layer comprises a jacquard base column and a tightening column which are arranged at intervals in a staggered mode, the jacquard yarn comprises a face-to-lining connecting column and a cool jacquard column which are arranged at intervals in a staggered mode, and the face-to-lining connecting column corresponds to the tightening column to enable the face layer and the inner layer to be knitted and connected. The cool-sense jacquard columns are arranged on the inner layer corresponding to the jacquard base columns in a jacquard mode, jacquard yarns of the cool-sense jacquard columns adopt cool-sense yarns with a cool-sense effect, and jacquard yarns of the tightening columns adopt tightening yarns capable of treating shrinkage. The jacquard vamp material with the structure not only has a cool and breathable comfortable effect, but also can meet the requirements of performance standards of related structures of knitted vamps.

The invention discloses a cool master batch for polyamide 66 fiber as well as a preparation method and application of the cool master batch. The cool master batch provided by the invention is prepared from the following components: polyamide 66 resin, a cool auxiliary agent and a composite dispersing agent, the composite dispersing agent is formed by compounding montan wax and an amide dispersing agent. The cool master batch provided by the invention has excellent spinnability, is excellent in performance in polyamide 66 civil filament fibers, has a qmax value far exceeding the national standard, can provide reliable material selection for continuous production of cool polyamide 66 civil filament fibers, and is pure white in color and simple in preparation method.

The invention relates to a chinlon spandex cool-feeling quick-drying comfortable fabric and a preparation method thereof, and relates to the technical field of textile fabrics, the preparation raw materials comprise the following components by mass: 59-67% of chinlon fiber, 27-39% of spandex fiber, 1-3% of a cool-feeling auxiliary agent, and 1-3% of a quick-drying auxiliary agent. The preparation method comprises the following steps: dissolving polyamide fibers in a mixed solvent of trifluoroethanol and formic acid to obtain a polyamide fiber solution, dissolving spandex fibers in N, N-dimethylformamide to obtain a spandex fiber solution, mixing the polyamide fiber solution and the spandex fiber solution, adding a cool feeling auxiliary agent and a quick-drying auxiliary agent, stirring to obtain a spinning solution, and spinning the spinning solution to obtain the cool and quick-drying fabric. Performing solution spinning on the spinning solution to obtain spinning fibers; weaving the spinning fibers to obtain a fabric, performing after-treatment on the fabric, washing with water, and airing to obtain the nylon / spandex cool quick-drying comfortable fabric. The nylon spandex fabric has the effects of improving the cool feeling performance, the quick-drying performance and the anti-static performance, and the fabric is soft, skin-friendly and comfortable to wear.

The invention relates to the technical field of nuclear fusion, and provides a manufacturing method of an uninsulated superconducting coil and the uninsulated superconducting coil, and the manufacturing method comprises the steps that a metal strip and a superconducting strip are stacked and wound to form a coil with a preset number of turns, a wound coil is obtained, and the width of the metal strip is larger than that of the superconducting strip; the wound coil is placed in a soldering tin dipping device to be subjected to soldering tin dipping, and a welded coil is obtained; and removing the soldering tin shell on the annular surface of the welding coil until the metal strip is exposed. The superconducting strip and the metal strip with the width larger than that of the superconducting strip are overlapped, wound and welded, so that the mechanical stability of the uninsulated superconducting coil is improved, meanwhile, the cold conduction effect is enhanced, then the soldering tin shell is removed till the metal strip is exposed, the superconducting strip cannot be damaged when the soldering tin shell is removed, and the production efficiency is improved. The performance of the uninsulated superconducting coil can be guaranteed, the metal strip can be completely separated from the superconducting strip of the adjacent turns, and the inter-turn resistivity is further improved.

The invention relates to a preparation technology of a compound cooling agent, and relates to the technical field of food additives, and the preparation technology comprises the following steps: mixing and dispersing a cooling agent, a cooling taste improving agent and an emulsifying agent into propylene glycol, and stirring to obtain a cooling agent premix; dispersing a wall material into water, heating and stirring to obtain a wall material solution; adding the cooling agent premix into the wall material solution, and stirring to obtain an emulsified dispersion liquid; and adding the cross-linking agent solution into the emulsified dispersion liquid, adjusting the pH value to be acidic, heating and stirring for reaction, cooling, adding ethanol for precipitation to obtain microcapsules, washing the microcapsules with ethanol, and freeze-drying to obtain the compound cooling agent. The compound cooling agent has the effect of improving the stability of the compound cooling agent, the compound cooling agent has a good cooling effect, and long-acting cooling feeling is provided through slow-release regulation and control.

The utility model discloses a semiconductor refrigeration module which comprises a semiconductor refrigeration sheet, a hot end heat dissipation device and a cold end cold conduction block, and the cold end of the semiconductor refrigeration sheet further comprises a wind tunnel exhaust fan connected with the cold conduction block. The cold end improves the cold conduction effect through a red copper cold conduction block and a wind tunnel exhaust fan made of an aluminum alloy material, and meanwhile, light weight and low cost of the semiconductor refrigeration module are guaranteed; a hot end heat dissipation device selects a water cooling block, heat generated by the hot end is taken away through a micro-channel, the heat dissipation area is large, the heat dissipation efficiency is high, and the refrigeration effect is further improved; efficient cold end cold conduction and hot end heat dissipation effects are achieved, and it is prevented that after the cold end and the hot end reach a certain temperature difference, forward and reverse heat transfer counteracts, the temperature of the cold end and the temperature of the hot end tend to be balanced, and consequently power consumption of the semiconductor chilling plate is increased, and the refrigeration effect becomes poor; and an overheat protection device is arranged at the output end of the hot-end heat dissipation device, and after external cooling liquid is heated to a fixed temperature, the overheat protection device can be interrupted in time, the refrigeration effect is improved, and meanwhile the running safety of the system is guaranteed.

The utility model relates to the technical field of cabinet bodies, in particular to a double-air-duct air-cooled horizontal glass door display cabinet with an auxiliary refrigerating system. A left partition plate is mounted on the upper portion, close to the left side, of an inner container; a right partition plate is installed on the inner container close to the right upper portion. A left evaporator is installed in a reserved space between the left partition plate and the inner container. A left fan is fixedly mounted between the left partition plate above the left evaporator and the inner container; a door body is movably mounted at the top of the cabinet body; a right evaporator is fixedly installed between the right partition plate and the inner container. A right fan is fixedly mounted between the right partition plate above the right evaporator and the inner container; a right air opening is formed in the lower end, close to the bottom surface of the liner, of the right partition; a left air opening is formed in the lower end, close to the bottom surface of the liner, of the left partition; air distributors are symmetrically arranged on the front and rear side walls of the liner; the double-air-duct air-cooled horizontal glass door display cabinet with the auxiliary refrigeration system is higher in refrigeration speed, more uniform in temperature distribution and uniform in refrigeration.

This application relates to the field of nuclear fusion technology, providing a method for fabricating a non-insulated superconducting coil and the non-insulated superconducting coil itself. The method includes: stacking and winding a metal strip and a superconducting strip to form a coil with a predetermined number of turns, obtaining a wound coil, wherein the width of the metal strip is greater than the width of the superconducting strip; placing the wound coil in a solder immersion apparatus for solder immersion, obtaining a welded coil; and removing the solder shell from the annular surface of the welded coil to expose the metal strip. By overlapping and winding the superconducting strip and a metal strip with a width greater than the superconducting strip, and then soldering them, the mechanical stability of the non-insulated superconducting coil is improved, while the cooling effect is enhanced. Afterwards, by removing the solder shell to expose the metal strip, the superconducting strip is not damaged during the removal of the solder shell, ensuring the performance of the non-insulated superconducting coil. The metal strip can completely separate adjacent turns of the superconducting strip, further improving the inter-turn resistivity.