35results about How to "Realize circulating heat dissipation" patented technology

The invention discloses a cable with a circulating heat dissipation function, which belongs to the field of cables. The cable with the circulating heat dissipation function comprises a wire core, a heat conduction filling layer, an inner sheath and an outer sheath are sequentially arranged on the outer side of the wire core, a plurality of heat conduction rings are glued to the outer wall of the inner sheath at equal intervals, the heat conduction rings are arranged between the inner sheath and the outer sheath, a sliding ring is arranged on the outer side of the circumference of the heat conduction ring, a sliding groove matched with the sliding ring is formed in the heat conduction ring, two heat dissipation blocks are fixed to the outer side of the circumference of the sliding ring and are rotationally and symmetrically arranged, a closed bin is arranged in each heat dissipation block, an arc-shaped concave face is arranged on the inner wall of the side, close to the wire core, of each closed bin, and an eccentric arc face is arranged on the inner wall of the side, away from the wire core, of each closed bin. Circulating heat dissipation in the circumferential direction of the cable can be achieved, heat in the wire core can be effectively and rapidly conducted out, the phenomenon of high temperature in the cable is avoided, the heat dissipation rate and use safety are effectively improved, and the cable has market prospects and is suitable for popularization.

Disclosed is a novel electromechanical thermal insulation and fire prevention protective device. The novel electromechanical thermal insulation and fire prevention protective device comprises a protective shell, a mounting frame, buffering frames and a protective device. The protective shell is fixedly installed on the surface of the mounting frame. The protective device comprises a thermal insulation device and a fire prevention device, wherein the thermal insulation device is arranged inside the protective shell, and the fire prevention device is arranged outside the protective shell. The fire prevention device comprises a fire prevention layer and a thermal insulation layer. The fire prevention layer comprises a fire prevention plate and an aluminum alloy plate, wherein the fire prevention plate and the aluminum alloy plate are connected together through flame retardance strips in the mode that the flame retardance strips penetrate through the fire prevention plate and the aluminum alloy plate. The thermal insulation layer is uniformly arranged on the surface of the fire prevention layer. The thermal insulation device comprises radiating pipes and cooling fins. Each buffering frame comprises a spring rod and a soft gasket, wherein each spring rod and the corresponding soft gasket are connected together through a connecting plate. The mounting frame is arranged at the bottom end of the protective shell. The novel electromechanical thermal insulation and fire prevention protective device can achieve the good thermal insulation and fire prevention capacity, can also conduct sufficient thermal dissipation and buffering protection on an electromechanical machine, prolongs the service life, is convenient to install and deserves promotion.

The invention discloses a heat dissipation structure used for the surface of a microelectronic chip. The heat dissipation structure comprises a chip substrate and a heat conducting sheet; the heat conducting sheet is arranged on the surface of the chip substrate; a plurality of through holes are formed in the heat conducting sheet; heat conducting silica gel cushions are arranged in the through holes; a plurality of wet conduction fiber pipes are arranged on the surface of the heat conducting sheet; the wet conduction fiber pipes are arranged uniformly; heat dissipation heat pipes are arrangedbetween adjacent wet conduction fiber pipes; each heat dissipation heat pipe comprises a heat absorption section, an evaporation section and a condensation section which are connected in sequence from the bottom up; the heat absorption section and the heat conducting sheet are fixedly connected together; the top end of the condensation section is connected with an aluminum sheet; the aluminum sheet comprises an arc-shaped section and a horizontal section; and the arc-shaped section is higher than the horizontal section. By virtue of combination of a direct heat conduction mode and an indirectheat dissipation mode entirely, the microelectronic chip can be subjected to high heat dissipation, so that the temperature of the microelectronic chip can be lowered effectively, the chip can be protected effectively, the service life can be prolonged, and the heat dissipation structure is worthy of popularization.

The invention discloses an internal circulation cooling distribution box which comprises a box body. The box body is internally provided with a cavity with is provided with a cooling chamber and an electric apparatus room in the vertical direction, the electric apparatus room is divided into multiple placing areas through partition plates, sliding rails corresponding to the partition plates are arranged on the inner side wall of the electric apparatus room, the two ends of the partition plates are located on the sliding rails respectively, a cooling pipe is arranged on the rear side wall of the electric apparatus room, cable grooves are formed in the inner side walls of the placing areas, multiple first vent holes are formed in the outer side wall of the box body, an electric apparatus room door is hinged to the side wall of the electric apparatus room, multiple monitoring devices are arranged on the internal surface of the electric apparatus room door, and the cooling chamber is internally provided with a cooling case. Accordingly, independent operation of cooling devices and electrical components is achieved, the cooling effect of the distribution box is effectively improved, water proofing and damp proofing can be achieved, the service life of the electrical components is prolonged, the automation degree is high, and popularization is facilitated.

The invention provides a multi-layer composite material for thermal diffusion of a vapor chamber and a preparation method of the multilayer composite material, the material comprises a porous metal layer and a compact metal layer, the porous metal layer and the compact metal layer are combined by diffusion sintering, and the preparation method comprises the following steps: carrying out bright annealing treatment on the porous metal layer; carrying out surface treatment on a substrate compact metal material ; stacking the treated porous metal material and the substrate compact metal material in a vacuum furnace or an atmosphere protection furnace, and carrying out heating, pressurizing, diffusing and sintering; and after diffusion sintering, continuously maintaining the pressure during sintering, cooling to room temperature, and breaking vacuum or stopping atmosphere protection to obtain the thermal diffusion multilayer composite material for the vapor chamber. According to the multi-layer composite material for thermal diffusion of the vapor chamber, the porosity, pore diameter, thickness and other technical parameters of the porous layer are accurately controlled, the quality isstable, meanwhile, the technological process is short, the production cost is low, and the multi-layer composite material is suitable for batch production.

The invention discloses a magnetic coil assembly of a four-way valve for a refrigerating system. The magnetic coil assembly comprises a valve seat and a valve body, the connecting pieces are arrangedbetween the valve seat and the valve body, and the valve seat and the valve body are connected through the connecting pieces; the periphery of the valve body is provided with a winding which can generates electromagnetic force after being electrified to push the valve body to move, and one side, facing the valve seat, of the valve body is provided with a receiving groove, and the connecting piecesare located in the receiving groove; and the connecting pieces comprise a cylinder, a plunger, a spring and a connecting rod, the plunger and the cylinder are both located in the cylinder, the back of the plunger and the inner bottom surface of the cylinder are separately and fixedly connected with both ends of the spring, one end of the connecting rod is connected with the plunger, the other endof the connecting rod is connected with the valve seat, the cylinder is coincident with the receiving groove, the cylinder is inserted into the receiving groove, and the side surfaces of the valve body and the cylinder are separately provided with a first air pipe and a second air pipe. The magnetic coil assembly of the four-way valve for the refrigerating system has good heat dissipation performance.