41results about How to "Fast heat storage" patented technology

The invention discloses a heat pipe type solid-liquid phase transition heat accumulator which comprises a box body, fins, liquid absorbing cores, phase transition heat accumulating materials and working media. The box body comprises a shell and a main channel formed in the shell, the two ends of the main channel are opened, the main channel is not communicated with the shell, the shell is internally provided with the fins and the phase transition heat accumulating materials, the fins are fixed to the main channel, the fins are annularly arranged about a center shaft of the main channel, and are arranged in the axial direction of the main channel in multiple layers, the ribs are of hollow structures, the liquid absorbing cores are attached to the inner walls of the hollow structures, and the spaces in the fins are filled with the working media for heat transferring between heat or cold sources and the phase transition heat accumulating materials through evaporating and condensing. According to the heat pipe type heat accumulator, the fins achieve heat exchange between the heat or cold sources and the solid and liquid phase transition heat accumulating materials through evaporating and condensing of the internal working media, and the working efficiency of the heat accumulator is improved.

The invention discloses an airborne phased array antenna phase change heat storage liquid cooling heat dissipation box, which aims to provide a phased array antenna box body with fast heat dissipation, good effect and high heat dissipation efficiency and combining liquid cooling heat dissipation and phase change heat storage. The heat dissipation box is realized through the following technical scheme: the bottom of a box body (1) is a heat dissipation base (3), the upper layer of the heat dissipation base (3) is a liquid cooling layer (4), and the lower layer is a phase change material layer (5); the liquid cooling layer is provided with an S-shaped liquid cooling flow channel, a liquid cooling inlet and a liquid cooling outlet; the phase change material layer is provided with a pluralityof honeycomb-shaped partition frame cavities enclosed between a liquid cooling layer partition plate and a box body bottom plate; the liquid cooling flow channel transfers heat out by theflow of the liquid cooling coolant; and the phase change material layer transfers heat generated by the phased array antenna to the phase change material stored in the phase change material layer by utilizing a metal partition frame connected between the partition frame cavities. The invention solves the problem that the antenna heat of the phased array antenna cannot be exported in time due to the interruption of the liquid supply under a short-time emergency condition.

The invention relates to a solid-solid phase change material and a preparation method thereof, and belongs to the field of phase change energy storage materials. The solid-solid phase change materialcomprises a component A and a component B, wherein the addition amount of the component A is 50-97% and the addition amount of the component B is 3-50% according to the percentage of the total mass ofthe raw materials, wherein the component A is a phase change material component, and comprises the following components in percentage by mass: 0-30% of an inorganic salt, 41-96.8% of water, 1-8% of fiber, 0.1-2% of a dispersant, 0.5-5% of a nucleating agent, 1-8% of a thickening agent and 0.5-6% of a heat conducting medium, wherein the component B is a curing component and comprises the followingcomponents in percentage by mass: 3-25% of isocyanate, 75-97% of hydrophilic polyether polyol and 20 ppm-200 ppm of A retarder accounting for the total mass of the component B. Compared with the existing water-based phase change material, the solid-solid phase change material provided by the invention not only furthest retains the characteristics of high phase change latent heat and low cost of the water-based phase change material, but also has no leakage risk and better heat conductivity.

The invention relates to a functional textile fabric. The functional textile fabric comprises a functional unit, wherein the functional unit comprises yarns containing heating and dehumidifying functional textile fibers; the yarns have number of twists of 100-200T/m; the heating and dehumidifying functional textile fibers comprise crimped fiber materials and nano units; the crimped fiber materials account for 99.91-99.95wt% of the total functional textile fibers, achieve crimp percentage reduction through water wetting and are formed by polyester resin components and polyamide resin components in a ratio of 1 to 1; the polyester resin components and the polyamide resin components have different self extensibility and crimp percentages during water absorption; the nano units account for 0.05-0.09wt% of the total functional textile fibers and comprise microparticles in sizes of 8500-9000nm; the microparticles comprise 300-500 of zinc, 350-450 of aluminium and 150-350 of iron by weight. The functional textile fabric has the beneficial effect that the clothes airing efficiency is improved through combined action of temperature rise, heat storage and increase of gaps of the fabric.

The invention discloses a heat storage device adopting concentric compounding a phase change material and water. The heat storage device comprises a cylindrical shell body; for the shell body, a hot water inlet pipe is arranged at the upper left part, a hot water return pipe is arranged at the lower left part, a cold water inlet pipe is arranged at the lower right part, and a hot water outlet pipeis arranged in the center of the top surface; a cylindrical metal cylinder is concentrically installed in the center in the shell body; a phase change heat storage material is packaged in the metal cylinder; the outer side wall of the metal cylinder is fixedly connected with the inner side wall of the shell body through a metal fixed rod, so that the metal cylinder can be concentrically installedin the center in the shell body; a space outsides the metal cylinder is filled with the water; a heat exchange pipe is installed on the outer side of the metal cylinder in a surrounding manner; and awater inlet at the upper end of the heat exchange pipe communicates with the hot water inlet pipe, and a water outlet at the lower end communicates with the hot water return pipe. Compared with an existing heat storage device, the heat storage device is capable of performing heat storage at a faster speed.

The invention provides a coupling type waste heat energy recovering system for a large phase-change heat storage cylinder. The system comprises a large phase-change heat storing cylinder assembly and a waste heat energy recovering assembly; the hot source inlet end of the large phase-change heat storing cylinder assembly is connected with a waste heat water source, and the heat supply outlet end of the large phase-change heat storing cylinder assembly is respectively connected with a direct heating device and an indirect heating device. The system is simple in structure; the heat of waste water is fully recovered and recycled; therefore, the function of fast storing heat and radiating heat can be achieved; the system is suitable for recycling of afterheat from the waste heat of liquid.

The invention discloses a solar energy and heat pump combined heat supply system and method suitable for an alpine region. According to the solar energy and heat pump combined heat supply system, a solar heat collector, a heat pump and a heat storage device are combined, so that the solar energy and heat pump combined heat supply system achieves stable and continuous heat supply in the alpine region, when the sun is insufficient or the temperature of external air is too low, the solar energy and heat pump combined heat supply system is overturned into equipment when not working, a heat collection pipe is protected, the heat collection pipe is prevented from being damaged by external impact, the service life of the equipment is greatly prolonged, and an arranged cleaning mechanism can be used for cleaning and maintaining the heat collection pipe, so that the situation that the solar heat collection efficiency is reduced due to dust attached to the heat collection pipe is avoided, the heat supply efficiency of the equipment is prevented from being reduced, the energy utilization rate is guaranteed, and the solar energy and heat pump combined heat supply system has the beneficial effects that heat supply is stable in connection, the service life of the equipment is long, the heat storage speed of the equipment is fast, the energy utilization rate is high, and the solar heat collector is cleaned and maintained.

The invention relates to a phase change heat storage system which comprises a heat storage box body, a circulating fan and a heat insulation air pipe; a partitioning frame and heat exchangers are arranged in the heat storage box body; the two heat exchangers are separately arranged at two ends of the partitioning frame; the partitioning frame is of an upper-lower layered structure; a plurality ofheat storage units are arranged left and right; a heating plate and a phase change material plate are placed in each heat storage unit; and an air outlet and an air inlet which are formed in the leftend and the right end of the heat storage box body are connected by means of the heat insulation air pipe and the circulating fan. The phase change heat storage system has the advantages that fillingand replacing of the phase change material are more convenient and quicker, hot air is circularly utilized in the system, and the temperature of hot air in the inlet and the outlet can be controlled,so that the utilization efficiency of energy sources is improved, the cost is reduced, and the more environmental protection purpose is realized.

The invention discloses a capillary tube phase change insulation part, a building wall comprising the same and a building. The capillary tube phase change insulation part is used for thermal insulation of the building wall and is characterized by comprising a phase change material, a phase change packaging body for packaging a phase change substance and a heat exchange part arranged in the phase change material, the heat exchange part and the phase change material perform contact heat exchange to adjust the temperature of the building wall, and the heat exchange part comprises at least one first capillary tube arranged in the phase change material.

The invention discloses a reflow soldering clamping and positioning device of a microwave assembly. The microwave assembly comprises a shell and a circuit board, wherein the clamping and positioning device comprises a base, a plurality of positioning parts, at least two shell pressing assemblies and a circuit board pressing block assembly. Each positioning part is arranged on the base, and the positioning parts are used for positioning the relative position of the shell on the base; each shell pressing assembly is connected with the base, and the shell pressing assemblies are used for pressingthe shell on the base; and the circuit board pressing block assembly is connected with the base and used for pressing the circuit board on the shell. The reflow soldering clamping and positioning device of the microwave assembly can conveniently, quickly and accurately position and clamp the microwave assembly, and solves the technical problem in the prior art that the reflow soldering clamping and positioning device is not suitable for the microwave assembly containing the printed board or a microstrip board, the shell and electronic components.

The invention discloses a gland type safety pressure cooker which comprises a pot body, a pot cover and a pot bottom. The pot body and the pot bottom are of an integrated structure. The pot bottom isof a three-layer composite structure, and comprises a magnetic stainless steel outer layer, an aluminum interlayer and a food-grade 304 stainless steel inner layer. The pot cover is provided with a pressing and holding beam, an opening and closing locking device, a safety valve, a pressure limiting valve and an exhaust pipe. The pressing and holding beam is fixed on the pot cover through the opening and closing locking device. Pot lugs used for buckling the two ends of the pressing and holding beam are arranged on the two sides of the pot body respectively. A circle of groove is formed in theperiphery of the bottom face of the pot cover, and a sealing ring is placed in the groove. The three-layer composite pot bottom is durable, fast in heat conduction, even in heating, suitable for various stoves such as gas stoves and induction cookers and good in universality. The sealing ring with a U-shaped or V-shaped section is good in sealing performance. The pot cover with the pressing and holding beam, the pressure limiting valve and the safety valve is good in anti-explosion performance, the situation of pot frying is avoided, and the safety performance is high. The pot lugs are of highstrength and are provided with blocking pieces. The pressing and holding beam cannot be displaced to leak air.

The invention provides a flue gas purifier combination module. The flue gas purifier combination module comprises a cylinder filler body, the middle of the cylindrical filler body is provided with a central cylinder, four 1/2 arc surfaces are arranged on the outer wall of the central cylinder in every direction, a 1/4 arc surface is arranged between two adjacent 1/2 arc surfaces, each of the 1/2 arc surfaces and a 1/2 arc surface on an adjacent cylindrical filler body compose a small cylinder, each of the 1/4 arc surfaces and 1/4 arc surfaces on an adjacent four cylindrical filler bodies compose a large cylinder, bosses are arranged on the 1/2 arc surfaces and the 1/4 arc surfaces and at the edges of two ends of the central cylinder on the upper and lower end surfaces of the cylindrical filler body, a groove is formed between the bosses, and the diameter of the external circle of each of the bosses at two ends of the central cylinder is same to the diameter of the large cylinder composed of the four 1/4 arc surfaces.

The invention provides an air conditioner, a control method thereof, a control device and a computer readable storage medium. A heat accumulator comprises a first heat exchange tube and a second heatexchange tube, one end of the first heat exchange tube is connected with a third interface, the first heat exchange tube is connected with a first pipeline in parallel, and the second heat exchange tube is connected with a second pipeline in parallel. According to the air conditioner, in a defrosting mode, a first reversing element does not change the direction and can continuously supply heat tothe indoor, heating of the air conditioner is not influenced, and the use comfort of a user is not influenced. Due to the fact that the heat accumulator is arranged between a second end of an indoor heat exchanger and a second end of an outdoor heat exchanger, during heat storage, a refrigerant flows through the first heat exchange tube after flowing through the indoor heat exchanger, then the influence on the heating amount of the air conditioner during heat storage is small, the heat loss is reduced, and indoor temperature fluctuation is avoided.

The invention discloses a heat storage type electric heater, and belongs to the field of heating equipment. By installing a hollow cavity and a heat storage layer, the heat storage and the heating ofsurrounding gas are synchronously carried out, and the heating rate when the heater is just started is effectively improved; and meanwhile, in the using process, by arranging an inner heat conductionnet, the local overheating phenomenon caused by caking can be effectively avoided under the condition that the surface of an electric heating tube does not need rough treatment, and under the action of the hollow cavity, a lower-layer heat storage and an expansion gap, the volume increase of the heat storage layer caused by thermal expansion of the heat storage layer can be compensated at the sametime from the upper portion, the lower portion and the inner portion, the safety hazard caused by excessive expansion of the heat storage layer is effectively avoided, and the safety of the heater isobviously improved.