33results about How to "Slow heat conduction" patented technology

The invention relates to the field of an infrared detector, in particular to a micromachined thermopile infrared detector. The manufacturing technique is simplified and the performance and finished product rate are improved. The manufacture of the micromachined thermopile infrared detector comprises the following steps of: (1) depositing silicon nitride film on the both sides of a silicon substrate by an LPCVD method; (2) etching to remove peripheral silicon nitride film on the frontal side of the silicon substrate by lithography; (3) manufacturing a plurality of Poly-Si strips both ends of which are respectively arranged on the silicon nitride film and the silicon substrate by LPCVD method and photolithographic process; (4) manufacturing a plurality of aluminum strips which form a thermocouple with the plurality of Poly-Si strips by sputtering and photolithographic processes; (5) depositing the silicon nitride film on the frontal side of the silicon substrate by PECVD method; (6) manufacturing an infrared absorption layer (a carbonized photoresist layer) covering the hot junction area of the thermopile with photolithographic process; (7) manufacturing a metal reflective layer (a metal layer) covering the cold junction area of the thermopile with lift-off process; and (8) eroding the back side of the silicon substrate to form a square frustum pyramid shaped groove. The micromachined thermopile infrared detector has reasonable structure design, simple manufacturing process, high detector performance, high finished product rate, good development prospect and is easy to realize.

The invention discloses a manufacturing method of a recycled foam material using granite powder as a raw material. The recycled foam material comprises the following formula and components: 70%-90% of granite powder, 6%-25% of flux filler, 1%-5% of pore-forming material, and 1%-5% of polymerization martial. The manufacturing method sequentially comprises the following steps of: controlling the fineness of the particles of the powder to be over 100 meshes; uniformly stirring and mixing; pressing mixture into a required granular material; stacking and forming the granular material; feeding into a high temperature furnace to heat; and finally cooling and taking out to obtain the recycled foam material finished product. A product produced by the manufacturing method has the advantages of fully consuming granite powder waste material, solving the problem of serious environmental pollution existing at a granite processing base for a long time and meeting environmental protection requirements, along with stable physical performance, light weight, thermal insulation, compression resistance, bending resistance, capabilities of being used for building wall or external wall decoration and fulfilling the aims of weight reduction and energy conservation of a building, fire prevention, water prevention and sound isolation performance and capability of being used as a fire-proof material and a wall isolating material.

The invention discloses a recycled foam material using granite powder as a raw material. The formula composition of the recycled foam material comprises the following components in percentage by weight: 70-90 percent of granite powder, 6-25 percent of fluxing filler, 1-5 percent of pore forming material and 1-5 percent of polymeric material. A manufacturing method of the recycled foam material sequentially comprises the following steps of: controlling the fineness of the particles of the powder to be over 100 meshes; uniformly stirring and mixing; pressing mixture into a required granular material; stacking and forming the granular material; feeding into a high temperature furnace to heat; and cooling and taking out to obtain a finished product. The recycled foam material has the advantages of fully consuming granite powder waste material, solving the problem of serious environmental pollution existing at a granite processing base for a long time and meeting environmental protection requirements. The product has the advantages of stable physical performance, light weight, thermal insulation, compression resistance, bending resistance, capabilities of being used for building wall or external wall decoration and fulfilling the aims of weight reduction and energy conservation of a building, fire prevention, water prevention and sound isolation performance and capability of being used as a fire-proof material and a wall isolating material.

The invention discloses a regenerative foam material taking granite powder as a raw material and a preparation method of the regenerative foam material. A formula of the regenerative foam material comprises the following components in parts by weight: 40-69 parts of granite powder, 2-8 parts of fly ash, 6-25 parts of fluxing filler, 1-5 parts of pore forming material, and 1-5 parts of polymeric material. The preparation method of the regenerative foam material sequentially comprises the following steps that grain fineness of the powder is controlled above 100 meshes; the powder is stirred and mixed uniformly; a mixture is pressed to a required granular material; the granular material is sent to a high-temperature furnace for warming, cooled and taken out; and a finished product is obtained. The regenerative foam material and the preparation method have the advantages that granite powder waste can be digested sufficiently; a long-term severe environmental pollution problem of a granite processing base can be solved; and environmental requirements can be met. The regenerative foam material is stable in physical property, light in weight, heat-insulated, compression-resistant and fracture-resistant, and can be used for building wall or external wall decoration; objectives of building weight reduction and energy saving can be achieved; in addition, the regenerative foam material has fireproof, waterproof and soundproof properties, and can be used for fireproof materials and wall partitioning materials.

The invention discloses a dual-state temperature change type cold-proof anti-freezing cable and belongs to the cable field. The dual-state temperature change type cold-proof anti-freezing cable includes a core layer, the outer end of the core layer is wrapped with an insulating layer. The outer end of the insulating layer is coated with a sheath; and the outer surface of the sheath is coated witha semi-transparent soft layer. At high temperature, a gas-controlled oil part is partially gasified to generate gas, an outer air bulge bulges outwards and is filled with air, and compared with an entity, the gas conduction speed is lower, the external temperature can be effectively isolated, the overall high temperature resistance of the cable is effectively improved and the service life is prolonged; and at low temperature, light oil returns to liquid, animal oil is cured, the gas-controlled oil part is integrally in a solid state with certain viscosity under the adjustment of the liquid light oil, so that the defect that the outer layer of the cable is hardened and embrittled at low temperature can be effectively overcome, and compared with the prior art, the brittleness resistance of the cable in winter is remarkably improved, and the service life of the cable is further prolonged.

The invention discloses a spoon. The spoon comprises a first spoon body, a second spoon body, a first handle body, a second handle body, and a wooden handle; the first spoon body and the second spoonbody are designed to be hemispherical; the first spoon body is a strainer; the second spoon body is a solid spoon; the first spoon body is sleeved by the second spoon body; the first handle body and the second handle body are arranged in a crossed manner, and are connected using an articulated shaft in hinge joint at the crossing part; the first spoon body and the second spoon body are arranged atthe same side of the articulated shaft; one end of the first handle body is connected with the edge of the first spoon body, and the other end is provided with a screw hole; the wooden handle is connected with the screw hole through threaded connection; one end of the second handle body is connected with the edge of the second spoon body; and the first handle body is provided with a boss can be used for lap joint with a pot edge. The spoon can be used for ladling soup, and filtering soup, and is convenient to use by users.

The invention provides a placing table for a hot pot strainer, and relates to the field of tableware articles. The placing table for the hot pot strainer comprises a supporting rod, a counterweight base, a T-shaped sliding block and a pair of hooks. When used, the hot pot strainer can be clamped between the pair of hooks or hung at the end of one of the hooks through a through hole in the top endof the strainer; the placing table moves to one side of a hot pot; and finally, the position of the T-shaped sliding block is adjusted, so that the hot pot strainer can be conveniently immersed in hotpot soup without being held for a long time, and the hot pot strainer has the characteristics of low heat conduction speed, no need of cleaning, no need of holding, long service life and good stability.

The invention relates to the technical field of tableware resin, in particular to thin-wall tableware resin for high-speed injection molding and a preparation method thereof.The thin-wall tableware resin is prepared from, by weight, 50-55 parts of ceramic powder, 5-10 parts of shell powder, 1-1.5 parts of polymer powder surface treating agent, 0.3-0.5 part of di-tert-butyl peroxide, 1-3 parts of PETS and 35-40 parts of PP polyolefin. The thin-wall tableware resin is suitable for production of a high-speed injection molding machine, the production speed is larger than 5 seconds per mold number, and the thin-wall tableware resin is excellent in mechanical property, high in rigidity, resistant to heat, acid and alkali, oil, folding, tinting strength, solution flow index and other technical indexes and meets the standard of disposable degradation of thin-wall tableware.

The invention discloses a health maintenance device, which comprises a first jar body and a second jar body, wherein the first jar body and the second jar body are vertically arranged and are connected through a middle plate; the middle plate is provided with a first through hole; a gas pump is arranged in the first jar body; the gas pump used for evacuating gas in the second jar body communicateswith the first through hole; a heating plate (i.e. an element plate) and a medicine bag containing cavity are arranged in the second jar body; the heating plate (i.e. the element plate) and the medicine bag containing cavity are arranged in sequence from top to bottom; the bottom of the second jar body is opened; the top of the first jar body is provided with a control device; and the control device is used for controlling opening and closing of the heating plate and the gas pump. The health maintenance device has the beneficial effects that the health maintenance device combines cupping andmedicine hot fumigation into a whole, has a simple structure and is convenient to operate. Since the health maintenance device adopts a material of purple sands, the health maintenance device has goodthermal insulation performance, a moderate body feeling and low heat conduction speed and is unlikely to scald a user.

The invention discloses waterproof wallpaper. The waterproof wallpaper comprises an antistatic layer, a waterproof layer, a fireproof layer, a sound insulation layer, a heat preservation layer and a mothproof layer; the antistatic layer is located on the upper surface of the waterproof layer, the waterproof layer is located on the upper surface of the fireproof layer, the fireproof layer is located on the upper surface of the sound insulation layer, the sound insulation layer is located on the upper surface of the heat preservation layer, and the heat preservation layer is located on the uppersurface of the mothproof layer; the thickness of the antistatic layer is 0.2-0.3 mm, the thickness of the waterproof layer is 0.1-0.15 mm, the thickness of the fireproof layer is 0.1-0.2 mm, the thickness of the sound insulation layer is 0.5-0.8 mm, the thickness of the heat preservation layer is 0.5-1 mm, the thickness of the mothproof layer is 0.2-0.3 mm, and the sum of the thicknesses of the antistatic layer, the waterproof layer, the fireproof layer, the sound insulation layer, the heat preservation layer and the mothproof layer is 1.8-2.5 mm. According to the waterproof wallpaper, the wallpaper and the surface of a wall are prevented from being wet, the service life and attractiveness of the wallpaper are ensured, and the wallpaper has the effects of sound insulation and heat preservation.

A dumbbell set structure comprises two metal connecting rods and dumbbell heads. The connecting rods are connected with the dumbbell heads, and the two connecting rods are connected to the two ends of a wood handle in a threaded connection mode. In the use process, the hand holds the wood handle, the heat conducting speed of wood materials is lower than that of metal, and a user cannot feel cold.

The invention discloses a continuous prebaked anode carbon block. A carbon block body is included. The middle line of the long axis of the upper portion of the carbon block body is provided with a setof carbon bowls. The bottoms of the carbon bowls are provided with casting-mechanical composite steel claw connecting ring grooves. The middle lines of the long axes of the tops of the parts, on thetwo sides of the carbon bowls, of the carbon block body are provided with connecting convex heads. The bottoms of the parts, below the connecting convex heads, of the carbon block body are provided with penetration connecting grooves. The continuous prebaked anode carbon block has the beneficial effects that the continuous prebaked anode carbon block is matched with a casting-mechanical compositesteel claw, continuous usage of a prebaked anode can be achieved, the anode carbon block connecting time is short, usage is convenient, electrolysis energy consumption is reduced, anode scraps are eliminated, the labor intensity is lowered, and new and old carbon block bonding is firm. After an old carbon block is connected with the convex heads and cooled, the old carbon block is connected with anew carbon block, new and old carbon block bonding and connecting reliability and firmness are ensured, and bonding layer shearing is prevented; and through the structures and the usage manners of the connecting convex heads, the carbon bowls and filling blocks, usage of the casting-mechanical composite steel claw is effectively matched, and an existing electrolytic cell can be directly connectedwith the anode carbon block.

The invention relates to the technical field of fire fighting, in particular to a special robot for fire scene video acquisition. The special robot for fire scene video acquisition comprises a machinebody; a group of buffer devices are arranged on the lower side of the machine body; a wheel body is arranged on each buffer device; a first mounting hole is formed in one side of the machine body; acamera device is mounted in the first mounting hole; an emergency cooling device is arranged above the machine body; two oppositely-arranged fire extinguishing devices are arranged on the side, provided with the first mounting hole, of the machine body; a dry powder box and a cooling liquid box are arranged in the machine body; and a water pump is arranged in the cooling liquid box. According to the special robot for fire scene video acquisition, a first rim is supported through a V-shaped spring plate, so that heat conduction between a wheel shaft and the ground is slowed down, circulating water is controlled to take away heat in a water-cooled lens in a water-cooled cavity in the water-cooled lens, the cooling effect of the device is further improved, and the high-temperature adaptability of the device is improved.