43results about How to "Fully dissipated" patented technology

The invention discloses a device for preventing high temperature caused by welding metal embedded parts from burning out concrete base layers and a method thereof. In the device, at least one metal pipe is welded on an embedded plate; one end of the metal pipe is adopted as a water intake and the other end is adopted as a water outtake; the metal pipe appears as bent or curved form and is positioned at the lower end of a part to be welded on the embedded plate; the metal pipe is hollow and provided with diameter between 15 mm and 25 mm; and both water and cement mortar can be poured into the metal pipe. When in welding on the embedded plate, the method adopts the proposal of leading cooling water to flow into the lower end of the part to be welded on the embedded plate through the metal pipe and then flow out of the metal pipe after absorbing heat generated by welding; and the method utilizes water stream to reduce the temperature of the contact surface between the embedded part and the concrete base layer. The invention can effectively control the temperature of the contact surface between the embedded part and the concrete base layer so as to prevent the high temperature caused by the welding from burning out concrete base layer and ensure the embedding quality; and cost is low, the operation is simple and practicality is high.

The invention discloses a microwave coagulation forming system of a water-soluble salt core, and belongs to the technical field of casting. The microwave coagulation forming system comprises a salt core jetting unit, a salt core coagulation unit, a salt core soaking unit and a salt core sintering unit, wherein the salt core jetting unit comprises a liquid distribution bin, a liquid jetting device,a material spreading device and an infrared heating plate, wherein the liquid distribution bin is used for storing already-prepared jetting liquid, the material spreading device is used for laying inorganic salt powder, the liquid jetting device is used for jetting the jetting liquid to the laid inorganic salt powder to make the inorganic salt powder aggregated and coagulated into a to-be-coagulated salt core, and the infrared heating plate is used for preheating and sizing the to-be-coagulated salt core. By means of the microwave coagulation forming system of the water-soluble salt core, thesalt core is subjected to infrared heating and pre-forming, and is then subjected to inorganic salt solution wetting, microwave coagulation and sintering, since the wettability of an inorganic salt solution is very high, pores filled with the pre-formed salt core can be fully wetted, crystallization is conducted in the secondary microwave coagulation process, and the strength of the salt core isobviously improved.

The invention discloses a radiating unit and a semiconductor encapsulating part provided with the radiating unit, wherein, the semiconductor encapsulating part comprises a bearing part, an electronic component electrically connected to the bearing part, a flat part attached to and combined with the electronic component, an extension part connected to the flat part, the radiating unit of a radiating part connected to the extension part, and a molding colloid used for encapsulating the electronic component and the radiating unit; wherein, at least the angle end of the border crest line of the extension part and the flat part is provided with a stress release part to remove the convex angle end of the radiating units caused by stress concentration in the punching process so as to maintain the flatness of the flat part, thus preventing the circuit on the electronic component from being pressed and damaged by a contact point generated between the flat part and the electronic component in the mould pressing process.

The invention discloses a determination method of a cement concrete mixture water-cement ratio. The method comprises the specific steps that: (1) the concrete mixture is sampled within a detection time limit; (2) after sampling, the concrete mixture sample is subjected to an inhibitory treatment, a sand mixing treatment, and a blast drying treatment; and water content Wc of the concrete mixture sample is calculated; (3) with a lowest water-cement ratio beta of a hydration reaction during the drying process, the concrete mixture sample water content Wc is corrected; concrete mixture sample unilateral water content mw is calculated; and with a concrete mixture sample cementing material total amount mb, the concrete mixture sample water-cement ratio is calculated with a formula that W / B=mw / mb.

The invention discloses a microwave curing moulding system of a water-soluble moulding core and belongs to the technical field of casting. The microwave curing moulding system comprises a moulding sand spraying unit, a moulding core curing unit, a moulding core immersion unit and a moulding core sintering unit, wherein the moulding sand spraying unit comprises a liquid mixing bin, a liquid spraying device and a material spreading device. The liquid mixing bin is used for storing mixed spraying liquid. The material spreading device is used for spreading sand. The liquid spraying device sprays spraying liquid to spread moulding sand layer by layer in accordance with the layer thickness of 0.01-1mm. The spraying liquid enables the moulding sand to aggregate and to coagulate to a to-be-cured moulding core. The moulding core curing unit is used for conducting microwave heating for the to-be-cured moulding core to cure the to-be-cured moulding core to a cured moulding core. The moulding coreimmersing unit is used for immersing the cured moulding core. The moulding core sintering unit is used for sintering the to-be-sintered moulding core. The microwave curing moulding system realizes moulding core fast producing without moulds. The moulding core curing unit adapts microwave heating realizing synchronous heating both interiorly and exteriorly. The intermittent microwave heating method enables inner layer water to be evaporated completely. Thus, the strength of the moulding core is ensured.

The invention discloses a radiation type LED (light-emitting diode) tunnel lamp, comprising a shell, a lamp shade, a power box and a radiating body, wherein the lamp shade is fixedly connected on the shell; a plurality of strip-shaped through holes are arranged on the shell; a substrate is arranged in the shell in a matching manner; the radiating body is arranged in the shell and comprises a plurality of radiating strips; and the power box is connected at the bottom part of the shell and is provided with radiating holes. By the mode, the radiation type LED tunnel lamp has the advantages that the appearance is attractive and elegant, the radiating effect is good, the heat can escape fully and the disassembly and assembly are convenient.

The invention discloses a biomass particle steam oven. The biomass particle steam oven comprises a furnace liner and a furnace outer wall, a heat exchange cavity is formed between the furnace liner and the furnace outer wall, an inner concave secondary liner with the diameter larger than the diameter of the furnace liner is arranged above the furnace liner, a fire discharging opening is formed inthe upper edge of the furnace liner, and a fire suction opening is formed in the inner concave secondary liner. A water tank communicating with the heat exchange cavity and a fan connected with the fire suction opening through an air suction pipe are arranged outside the furnace outer wall, and the fire suction pipe is connected with the fan after passing through the heat exchange cavity and the furnace outer wall. An opening is formed in the bottom of the furnace liner, a burner is arranged under the opening, and the burner is connected with a screw conveyor arranged to be used for feeding biomass particles. The biomass particles can be used fully for being as fuel, it is ensured that the biomass particles can be burned fully for the use of boiler tools, and the heat loss around the furnace and a chimney can be used fully.

The invention relates to an additive for a water soluble core and an application method thereof, and belongs to the technical field of casting. The additive comprises a water soluble high molecular material, organic acid and water soluble inorganic salt, wherein the water soluble high molecular material is used for improving the initial hardness of a core; the organic acid is used for adjusting the pH value to prevent corrosion; the water soluble inorganic salt is used as an adhesive for the core. The method comprises the following steps: mixing an additive and water to prepare jetting fluid,spraying the jetting fluid layer by layer onto a disperse layer surface of the core; performing heating with infrared ray while spraying is performed, so as to produce a preset core; performing infiltration on the preset core or spraying an inorganic salt solution onto the preset core, laying the infiltrated core into a microwave oven to perform intermittent microwave heating curing after infiltration, and sintering the cured core, so as to further improve the strength of the core.

A rapid formation method of an infrared precuring water-soluble salt core belongs to the field of casting techniques. The method comprises the following steps: S100, pretreatment of inorganic salt; S200, preparation of a jetting fluid; S300, droplet jetting forming and infrared heating precuring; S400, wetting or spraying of the inorganic salt solution; S500, intermittent microwave curing; and S600, sintering. After infrared heating preformation of the salt core, the salt core then undergoes inorganic salt solution, secondary microwave curing and sintering. As the inorganic salt solution has extremely strong wettability, pores of the salt core can be fully wetted and filled, and crystallization is achieved to precipitate out inorganic salt during the secondary microwave curing process. Strength of the salt core is remarkably raised.

The invention discloses a rapid forming method for an infrared ray procuring water-soluble core, and belongs to the technical field of casting. The method comprises the following steps: S100, preparing a jetting fluid; S200, jetting and forming a micro-droplet, heating and procuring through the infrared ray; S300, soaking with or spraying an inorganic salt solution; S400, intermittently microwaving and curing; and S500, sintering. After being microwaved, hardened and procured, the core is soaked in the inorganic salt solution and is secondarily microwaved, cured and sintered, the jetting fluidcontains a high polymer material absorbing the infrared ray easily, so that the water is easy to disperse in the infrared ray heating process, the water soluble core with higher initial strength is favorably obtained, the wetting performance of the inorganic salt solution is quite strong, a pore in the preformed core is fully wetted and filled, an inorganic salt is crystalized and precipitated inthe secondary microwaving and curing process, and the strength of the core is obviously improved.

The invention discloses an efficient progressive stable energy absorption device which comprises a bumper, an oil pressure energy absorption mechanism located on the rear side of the bumper, and an air pressure energy absorption mechanism located on the rear side of the bumper. The oil pressure energy absorption mechanism comprises an oil cylinder, a connecting piece, and an oil pressure piston plate movably arranged in the oil cylinder. The connecting piece is connected between the bumper and the oil pressure piston plate in a transmission mode, and an oil outlet is formed in one end of the oil cylinder. The oil pressure energy absorption mechanism further comprises a gland for opening and closing the oil outlet. The air pressure energy absorption mechanism comprises an air cylinder, and an air pressure piston plate movably arranged in the air cylinder. When the bumper is impacted, impact force is transmitted to the oil pressure piston plate through the connecting piece, the oil pressure piston plate extrudes oil in the oil cylinder and enables the oil to push the gland open to flow out of the oil outlet, and the oil applies pressure to the air pressure piston plate to enable the air pressure piston plate to compress air in the air cylinder. By means of the device, energy can be well absorbed, vibration reduction and cushioning are achieved, the impact force is reduced, stability is improved, and therefore a good protection effect is achieved for a driver and passengers.

The invention discloses a method for rapidly forming a microwave curing water-soluble core and belongs to the technical field of casting. The method disclosed by the invention comprises the followingsteps: S100, preparing a spraying solution; S200, performing droplet jetting forming; S300, performing intermittent microwave curing; S400, wetting or spraying an inorganic solution; S500, performingsecondary intermittent microwave curing; and S600, sintering. According to the method disclosed by the invention, the core is subjected to microwave hardening pre-forming and then subjected to inorganic salt solution impregnation, secondary microwave curing and sintering; and since the wetting property of the inorganic salt solution is extremely high, pores filled with the pre-formed core can be fully wetted, the inorganic salt is separated out by crystallization in the secondary intermittent microwave curing process, and the strength of the core is obviously improved.

An LED lamp comprises a plurality of angular carriers (Li). Moreover, the angular carrier sections (2.i) of the carriers (1.i) are adjacent. The solid angles of the surface of the angular carrier sections (2.i) correspond substantially to different solid angles of a polyhedron. The LED lamp furthermore has a plurality of LED elements (4.i) which are disposed on the angular carrier sections (2.i).The heat of the individual LED elements (4.i) emanating from the angular carrier section (2.i) is dissipated over the remaining carrier (3.i).