8results about How to "Lower heat transfer coefficient" patented technology

The invention discloses light gray low-emissivity coated glass for near-zero energy consumption buildings and a preparation method thereof, the light gray low-emissivity coated glass comprises a glass substrate and a composite metal film layer laminated on the glass substrate, and is coated glass with three metal silver film layers. According to the invention, one of the multiple composite metal film layers on the common colorless transparent float glass substrate reflects and interferes with light, so that the coated glass is light gray in the sun and has good decoration and energy-saving effects; the hollow glass is high in visible light transmittance, low in outdoor visible light reflectivity, low in solar energy transmittance and high in solar energy reflectivity, and can be made into hollow glass to achieve better energy-saving effects such as light control, heat insulation and the like, so that a building is closer to the nature and is fused with the nature.

This utility model relates to the field of doors and windows, specifically to an energy-saving window frame and window system for curtain walls. The energy-saving window frame includes a sub-frame profile made of glass fiber reinforced composite material. A first end of the sub-frame profile is fixedly connected to a steel keel by a first screw. A second end of the sub-frame profile has an installation chamber containing a liner. A second screw passes through the liner and is fixedly connected to a pressure block. This utility model, by using a sub-frame profile made of glass fiber reinforced composite material, extends the heat transfer path, significantly reduces the thermal bridging effect, and thus achieves the goal of reducing the heat transfer coefficient. It is energy-saving and environmentally friendly, possessing good economic efficiency and practicality. The liner in the installation chamber effectively increases the screw holding force and enhances connection stability.

The utility model discloses a motor home water tank structure with an isolation heat preservation layer, which comprises an outer shell, the outer shell is of a multi-layer structure, and the multi-layer structure comprises a heat preservation layer; at least one wave-proof plate is longitudinally arranged in a cavity of the outer shell, a hollow channel is formed in the center of the wave-proof plate, and the wave-proof plate is provided with an elastic assembly and connected with the inner wall of the outer shell structure through the elastic assembly. Piston plates and baffles are arranged at the positions, close to the two ends, of the outer shell, buffer cavities are formed between the piston plates and the baffles, air channels are formed in the baffles, and the air channels communicate with the buffer cavities and the air holes; air holes, a water inlet and a water outlet are formed in the two ends of the outer shell; the heat preservation and anti-freezing effects are good, the water hammer effect in the clean water tank can be well avoided, the impact effect on the water tank is reduced, the good wave resistance effect is achieved, and noise of the water tank is reduced.

The utility model discloses a kind of push-pull windows with heat insulation function, it is related to push-pull window technical field, including fixed window frame and heat insulation component, the fixed window frame is integrated structure, and the inside surface slidingly connected with sash window frame in fixed window frame, the heat insulation component is set to sash window frame surface, and heat insulation component includes first fixed groove, second fixed groove, nylon sealing gasket, polyurethane filler, hollow glass, nano ceramic heat insulation film, Low-E coated glass and scratch-proof film, the first fixed groove is opened in the inside surface inner end of sash window frame, and the second fixed groove is opened in the inside surface outer end of sash window frame. The push-pull window with heat insulation function, by heat insulation component, so that the device can greatly enhance the heat insulation performance of push-pull window whole, can significantly reduce indoor and outdoor heat exchange, reduce air conditioning or heating energy consumption, save electricity expense, by movable assembly, so that the device can reduce the friction of slide rail, reduce slide rail abrasion, to prolong its service time.

The invention discloses a flow guiding, liquid collecting and anti-scouring metal hose and a mounting method and application thereof, and belongs to the technical field of metal hoses, the flow guiding, liquid collecting and anti-scouring metal hose comprises an integrated hose, the integrated hose is composed of a corrugated pipe section in the middle and connector sections at the two ends, and a metal woven belt is arranged outside the corrugated pipe section; a guide cylinder and a liquid collecting cylinder are arranged at the bottom end of the interior of the integrated hose, the liquid collecting cylinder abuts against the lower end of the guide cylinder, joint sections at the two ends of the integrated hose are fixedly connected with annular first gaskets, and the first gaskets and the integrated hose are integrally formed; the integrated hose comprises an inner polytetrafluoroethylene pipe layer and an outer metal pipe layer. By arranging the integrated hose and the first gasket which are integrated, the anti-erosion corrosion and anti-vibration effects of the metal hose are effectively improved; due to the multi-layer structure, the integrated hose has the effects of high strength, erosion corrosion resistance, vibration resistance and good heat preservation; and the modularized guide cylinder and the liquid collecting cylinder are simple to disassemble and assemble, so that the maintenance cost is reduced.

The present invention discloses a chip heat sink with high-efficiency heat dissipation performance, comprising: a device body, a fluid groove and a fluid inlet are provided on the device body, a fluid outlet is provided in the fluid groove, the fluid groove is connected to a fluid outflow channel, and the fluid outflow channel is connected to the upper heat dissipation layer of the chip embedded concave surface. A flow velocity baffle and an injection micro-channel are provided on the chip embedded concave surface, and the injection micro-channel is connected to the fluid inflow layer of the lower layer of the chip embedded concave surface. The chip is embedded in the chip embedded concave surface. The fluid groove is a rectangular groove, the chip embedded concave surface is square, the fluid outlet and the fluid inlet are both cylindrical, and the injection micro-channel is cylindrical. The corrosion-resistant metal material used in the device body is copper Cu, silver Ag or gold Au. The chip heat sink with high-efficiency heat dissipation performance provided by the present invention is cooled by liquid, has high heat dissipation efficiency, large heat transfer coefficient, good working stability, and a wide range of applications.

The utility model discloses a glass film with low hemispherical radiance and glass, the film comprises a release film layer (00), a pressure-sensitive adhesive layer (10), a resin film layer (20) and a magnetic control metal layer, the magnetic control metal layer is located on the upper surface of the resin film layer (20), and the magnetic control metal layer is of a multi-layer structure and comprises 1-4 metal reflecting layers (30) and an outermost low-radiation anti-oxidation layer (40). The low-radiation anti-oxidation layer (40) can protect the surface of the glass film from being scratched in the transportation and construction process, meanwhile, the low-radiation anti-oxidation layer (40) has the low radiation rate, and when the indoor temperature is high, radiation is mainly transmitted from the interior of a room, and the low-radiation anti-oxidation layer (40) can reflect heat back to the interior of the room.

The utility model provides a kind of pasted glass energy-saving reconstruction window, comprising: existing glass window, including fixed frame, opening window sash and existing glass, the existing glass is set on the fixed frame or opening window sash;Flexible warm edge strip, continuous adhesion in the whole perimeter edge of indoor side of the existing glass;Pasted glass, located indoor side of existing glass, be located on the flexible warm edge strip, and parallel with existing glass, pasted glass and the existing glass form sealed heat-insulating gas layer;Silicone structural adhesive, filled in the U-shaped embedded joint enclosed by the fixed frame or opening window sash, existing glass, pasted glass and flexible warm edge strip.The utility model provides a kind of pasted glass energy-saving reconstruction window, through the innovative design of double-glazing structure, significantly solve the deficiency of existing single glazing in heat insulation, sound insulation, safety, lighting and so on, it is a kind of simple, economic, efficient energy-saving reconstruction scheme.