84results about How to "Melting fast" patented technology

The utility model provides an anti-freezing pressure valve, which relates to the technical field of valve production, and comprises an inner pipe, an opening and closing device is arranged in the inner pipe, an outer pipe is arranged on the outer surface of the inner pipe, a flange for connection is fixed on the outer surface of the outer pipe, the end part of the outer pipe is connected with the inner pipe, and the opening and closing device is arranged on the inner pipe. An unfreezing device used for unfreezing is arranged on the outer surface of the outer pipe, and a drainage device used for draining accumulated water is arranged on the outer surface of the inner pipe. After the anti-freezing pressure valve is used, accumulated liquid in the inner pipe communicated with the external pipeline is discharged through the drainage device, the situation that the accumulated liquid is frozen is avoided, meanwhile, the inner pipe is isolated from external cold air through the outer pipe and the heat preservation sleeve, contact between the inner pipe and the cold air is reduced, and the anti-freezing effect is improved. The problem that in the prior art, a valve is difficult to avoid freezing by discharging accumulated liquid is solved.

The invention discloses a process for processing a corrosion-resistant aluminum alloy pipe through laser cladding, which comprises the following steps of: performing laser cladding on a formed aluminum alloy pipe, transmitting a laser beam to the surface of the aluminum alloy pipe, conveying cladding layer powder / alloy wires to a laser area, quickly melting the cladding layer powder / alloy wires and the surface of the aluminum alloy pipe together through the laser beam, and solidifying, thereby obtaining the corrosion-resistant aluminum alloy pipe. The cladding layer combined with the aluminum alloy pipe is formed on the surface of the aluminum alloy pipe, cladding layer powder / alloy wires are made of zinc or zinc alloy, the cladding layer serves as a sacrificial anode, a thin and compact oxide and hydroxide layer is formed on the surface of the aluminum alloy pipe, further oxidation reaction is effectively prevented, and the corrosion resistance and reliability of the aluminum alloy pipe are improved. And the laser cladding procedure can be accurately controlled by controlling the laser power of the laser beam, the spot diameter, the passing speed of the aluminum alloy pipe and the speed of conveying cladding layer powder / alloy wires, so that the cladding layer has the advantages of being small in dilution degree, compact in structure, good in combination with the aluminum alloy pipe and not prone to falling off.

The invention discloses a laser directional induction arc discharge milling processing system and a laser directional induction arc discharge milling processing method. According to the method, laser is used for puncturing air to directionally trigger arc combustion to efficiently remove materials, meanwhile, air jet flow under a large discharge gap is used for effective arc breaking, continuous arcs are prevented from burning a workpiece, and the conductive performance of the workpiece does not need to be considered; the arc plasma motion trail is copied on a workpiece to form a specific complex contour, and therefore the efficient and high-precision machining method for the high-performance material complex part characteristics is achieved.

The invention relates to a positive temperature coefficient melting barrier material, a diaphragm for a lithium ion battery and the lithium ion battery. The positive temperature coefficient melting barrier material comprises melting agent microspheres and positive temperature coefficient composite material microspheres, the melting agent microspheres comprise a first high-molecular polymer material; the positive temperature coefficient composite material microspheres comprise a second high-molecular polymer material and a conductive agent; the conductive agent includes a carbon-based conductive powder. According to the positive temperature coefficient melting barrier material, the melting agent microspheres and the positive temperature coefficient composite material microspheres are matched, and the obtained material has the characteristics of high heat conductivity, high phase change rate, self heat production and short-circuit current limitation, and can realize rapid cutting of an electronic loop, acceleration of melting hole blocking of a melting agent and cutting of an ion transmission channel; and the safety of the lithium ion battery under the needling working condition is improved.

The invention belongs to the technical field of plastic recovery, and particularly relates to a 3D printing waste recovery device which comprises a cyclic crushing mechanism, a rolling mechanism, a shredding mechanism and a main base. According to the device, the printing waste is circularly crushed by arranging the cyclic crushing mechanism, crushed particles are screened by utilizing an opening of the screening rotating wheel, finer waste particles are selected, the fine particles are heated more uniformly and melted faster, the energy consumption is reduced, the production time is shortened, and the production efficiency is improved. The problems that an existing recycling device is large in size and not suitable for recycling a small amount of waste are solved. The coiling mechanism is arranged, waste materials are firstly made into pipe materials, then the pipe materials are shredded through the shredding mechanism, on one hand, wire breakage can be avoided during discharging when the pipe materials are made, on the other hand, later storage management is facilitated after the pipe materials are made, a small amount of waste materials can be conveniently recycled, and the pipe materials can be cut into wire rods of different sizes through the shredding mechanism; and the wire rods with different sizes are suitable for various application scenes and can be more flexibly utilized and recycled.

The invention relates to the field of unmanned aerial vehicle monitoring, and discloses an unmanned aerial vehicle intelligent high and cold ecological monitoring device which comprises a vehicle body, unmanned aerial vehicle arms, undercarriages, propeller blades, motors, cameras, heating plates and rubber non-slip mats. A top shell is installed at the top of the vehicle body, the lower portion of the top shell is connected with an unmanned aerial vehicle arm through a side frame, the unmanned aerial vehicle arm is of a hollow structure, and a cable channel is formed in the unmanned aerial vehicle arm and used for containing a cable to connect a motor and a motor. An undercarriage is fixed to the unmanned aerial vehicle arm, a shell is installed at the tail end of the undercarriage, propeller blades are connected with a motor through the shell, and the motor is installed below the shell and used for driving the propeller blades. Through flexible adjustment of the angles of the propeller blades, the inclination angles of the blades can be automatically adjusted according to the real-time wind speed and airflow changes, it is ensured that in the high and cold environment with strong wind or unstable airflow, the influence of wind on the flight stability of the unmanned aerial vehicle is effectively reduced, and the wind resistance of the unmanned aerial vehicle under the severe weather condition is improved.

The utility model discloses a kind of general carriers suitable for a variety of special-shaped PCB mounting, belong to PCB mounting carrier technical field, including shell, the inside fixed connection of shell has carrier plate, by the carrier plate in shell forms storage space, phase-change medium is placed in the storage space;Through the solid-liquid phase change characteristic of phase-change medium, temperature control is carried out with heating coil, can make supporting component with PCB shape dynamic adjustment deployment position and height, after melting, phase-change medium allows supporting component free displacement, after cooling solidification forms stable support structure, can perfectly adapt to different curvature, concave-convex structure special-shaped PCB, solve the problem that magnetic attraction is not stable, easily affect production, the control mechanism set with heating and cooling two modes, phase-change medium can be quickly melted by heating coil, then cooling water circulation is driven by miniature pump body, can be quickly completed medium solidification, simple and convenient to use, and adjustment speed is fast.

The application discloses a welding method for a high-temperature alloy casing assembly with large wall thickness difference, and adopts double electron beam synchronous welding, generates an electromagnetic field by using an electromagnetic lens inside a welding machine according to the symmetrical positions of two welds, realizes the double electron beam angle deflection function of the electron beam welding machine, deflects the electron beam flow in real time at a high frequency during the welding travel, makes the electron jump at a high frequency of 0.05-500 kHz between two adjacent welds, and obtains the effect that the electron beam synchronously covers and welds the two side welds. The application solves the problems of weld undercutting and burning, effectively reduces the residual stress of the weld, reduces the welding deformation, improves the welding assembly precision of the high-temperature alloy casing parts, and effectively improves the product quality, the use performance and the failure rate of the high-temperature alloy casing.

The utility model discloses a plastic smelting furnace which comprises a furnace body, heaters are fixedly installed on the two sides of the outer surface of the furnace body, a motor is fixedly installed in the center of the upper surface of the furnace body, and an output shaft of the motor penetrates and extends into the furnace body and is provided with a stirring mechanism matched with the heaters. And a discharging assembly is mounted at the bottom of the stirring mechanism. According to the stirring mechanism and the discharging assembly, when raw materials enter the furnace body, a stirring rod can stir the raw materials, an auxiliary heater conducts uniform heat transfer on the raw materials and rapidly melts the raw materials, meanwhile, the molten raw materials pass through a filter plate and are pushed by a spiral conveying blade to rapidly flow out of the furnace body, and in the whole process, the raw materials enter the furnace body through the stirring mechanism and the discharging assembly. The feeding pipe can be used for feeding continuously, the continuous feeding, melting and discharging process is achieved, time and space resources are fully utilized, and the smelting efficiency is guaranteed.

The utility model relates to the technical field of hot melt adhesive coating and laminating, and discloses a hot melt adhesive coating and laminating machine which comprises a baffle, a connecting plate and a shell, lifting assemblies are arranged at the two ends of the connecting plate, a cover plate is arranged at the end of the shell, buckle assemblies are arranged at the two ends of the cover plate, and a heating assembly is arranged at the bottom of the shell. A left-right moving assembly is arranged on the side face of the connecting plate, and a conveying assembly is arranged on the inner side of the baffle. The buckle assembly comprises an L-shaped block, the end of the L-shaped block is rotationally connected to the inner side of the cover plate, and two second fixing blocks are fixedly connected to the side face of the shell. According to the utility model, through the matching design of the elliptical clamping blocks and the L-shaped blocks, the cover plate can be firmly fixed, the cover plate is ensured not to loosen in the operation process of equipment, and the stability and the safety of the equipment are ensured. And the heating wire assemblies at the two ends of the heating box are used for heating the glue outlet pipe, so that the hot melt glue stick can be uniformly heated and quickly melted.

The invention provides a submarine cable support for prompting a fault section, and relates to the technical field of submarine cables. U-shaped plates are fixedly connected to the left side and the right side of the top of the bottom frame; a cable body is arranged at the top of the U-shaped plate, a sealing layer is fixedly connected to the side end of the cable body, a flange pipe is fixedly connected to the outer side of the sealing layer, a detection end is fixedly connected to the top of the curved side face of the flange pipe, and a top frame is fixedly connected to the top of the bottom frame. The gallium-tin alloy wire can be pulled and broken through upward traction of buoyancy of the hollow box, the hollow box can be separated from connection and fixation with the top frame, cable code mark numbers can be more distinct through light emitting of the fluorescent layer A and the fluorescent layer B which are mutually contrasting in color, a maintainer can conveniently and rapidly find out a fault section cable after diving, and the maintenance efficiency is improved. The problem that a traditional connecting support is inconvenient for maintenance personnel to quickly recognize the position of a damaged section in a dark environment is solved.

The utility model discloses a mesh belt type instant freezer convenient to defrost, which comprises an instant freezer body, the instant freezer body is directly arranged on the ground, a conveying belt is arranged in the instant freezer body, an anti-adhesion mechanism is arranged above the left side of the instant freezer body, and the anti-adhesion mechanism comprises a fixing frame, a preservative film, a supporting frame, a spring and a pressing plate. A fixing frame is fixedly installed on the rear side of the upper portion of the left side of the instant freezer body, and a preservative film is rotationally installed in the fixing frame and arranged on the upper portion of the left side of the conveying belt. According to the mesh belt type instant freezer convenient to defrost, by arranging the uniform refrigeration blowing mechanism, food on the conveying belt is cooled uniformly, the food refrigeration quality is greatly improved, meanwhile, the anti-adhesion mechanism is arranged, it is guaranteed that the food and the conveying belt are not adhered together, food taking is convenient, and the defrosting mechanism is additionally arranged, so that the food can be conveniently defrosted. Frost on the conveying belt is effectively cleaned, and the quick freezing efficiency of the quick freezing machine is guaranteed.

The invention relates to an air conditioner evaporator control method and device, an air conditioner and a computer readable medium. The method comprises the steps that in a target operation mode, the temperature difference value is determined according to the inner pipe temperature of an evaporator pipe temperature bulb branch and the anti-freezing temperature, and the refrigerant bias flow grade of an evaporator is determined based on the temperature difference value; the opening degree of an electronic expansion valve is adjusted according to the refrigerant bias flow grade of the evaporator, and when the refrigerant bias flow grade of the evaporator reaches the highest bias flow grade, the operation duration of a compressor is obtained; and if the operation duration of the compressor under the highest bias current grade reaches a preset duration threshold value, the air conditioner is converted into a heating mode, an air guide plate of the air conditioner is controlled to be closed, and an inner fan is controlled to rotate reversely at the lowest rotating speed. The problems of refrigerant bias flow and frost formation of the evaporator are solved, meanwhile, the material cost is controlled, and the comfort of a user is guaranteed.

The utility model discloses a portable roof aluminum plate leakage repairing device which comprises a fixed support, a hand push handle and a repairing roll, one end of the fixed support is fixedly provided with the hand push handle, and the other end of the fixed support is rotatably provided with the repairing roll. A repairing compression roller is rotationally mounted at the bottom of the fixed bracket; a repairing material on the repairing roll penetrates through the lower part of the repairing compression roller; a fixing cylinder is arranged above the repairing compression roller and is used for placing a heating structure; a pressurizing structure is arranged above the fixed cylinder; the device is small in size and more portable to use; the hand push handle is lifted upwards, flames sprayed out of the combustion nozzle are aligned with the pasted repairing coiled material, the pasted repairing coiled material can be continuously heated, then the repairing compression roller continuously conducts pressurization and rolling, and the repairing effect on the leakage position can be improved.

The invention relates to an ultrasonic technology-based polo shirt top fly adhesive pressing method, which comprises the following steps of: preparing materials, namely selecting a top fly fabric and an adhesive pressing material; front fly fabric pretreatment; setting ultrasonic parameters; glue pressing treatment and glue pressing post-treatment are carried out; and quality detection. The ultrasonic technology is adopted, the ultrasonic hot melt adhesive film is selected and used, the adhesive film can be rapidly and evenly melted under the specific ultrasonic frequency, and the molecular structure of the adhesive film can be firmly combined with the front fly fabric and the polo shirt body fabric; in addition, through precise control over ultrasonic parameter setting, rapid melting and uniform distribution of the adhesive film can be guaranteed through precise frequency, the fabric is tightly attached through proper pressure, it is guaranteed that gaps between the fabric can be fully filled with the adhesive film, and the fabric quality is improved. The problem that the fabric is damaged due to too long time or the bonding is not firm due to too short time is avoided due to the proper glue pressing time, and the defects caused by the traditional sewing and common hot-pressing glue technology are effectively overcome.

The cold-proof walking structure comprises a robot body, a track groove, walking wheels, a first monitoring probe, a second monitoring probe, a deicing plate and an oil bin, a sealing plate is clamped to one side of the robot body, a driving gear is rotationally connected into the robot body, and an auxiliary gear is meshed with one side of the driving gear; heat pipes are evenly and fixedly connected to the upper side and the lower side in the oil bin, a heating plate is fixedly connected to the side, close to the track groove, of the robot body, connecting pipes are in contact with the two sides of the oil bin, vibrating plates are fixedly connected to one sides of the connecting pipes, and the vibrating plates are located in the oil bin; the lubricating device has the beneficial effects that the heat pipe is arranged to heat the oil bin, vibration generated when the extending brush makes contact with the rotating driving gear is conducted to the connecting pipe and the vibration plate, the vibration plate rapidly moves in the oil bin within a small range, lubricating oil in the oil bin is rapidly melted, and therefore the lubricating efficiency is improved.

The invention belongs to the field of metal additive manufacturing, and relates to a preparation method of a formed test block containing prefabricated micropores, which comprises the following steps: 1) obtaining an initial base material sample containing a flat and smooth surface; (2) forming spherical holes in the flat and smooth surface of the initial base material sample in a machining manner; 3) filling the spherical holes with a sublimable material, and curing the sublimable material in the spherical holes; 4) sealing the spherical hole filled with the sublimable material to obtain a base material sample after hole sealing; and (5) continuously forming on the base material sample after hole sealing until a formed test block containing the prefabricated micropores is formed. The invention provides the preparation method of the formed test block containing the prefabricated micropores, which can be compatible with metal additive manufacturing process characteristics and can be used for accurately prefabricating the controllable pores.

The invention relates to the technical field of die-casting processes, in particular to an ultrasonic-based directional crystallization induction device and a directional crystallization induction method.The ultrasonic-based directional crystallization induction device comprises a die provided with a cavity used for loading a to-be-formed metal material; the pressing block is arranged at the top of the cavity; the first ultrasonic vibrator is arranged on the pressing block; the second ultrasonic vibrator is inserted into the cavity along the side face of the mold and makes contact with the metal material to be formed in the cavity. The controller is connected with the first ultrasonic vibrator and the second ultrasonic vibrator and used for adjusting working parameters of the ultrasonic vibrators, and the directional crystallization induction device based on ultrasound can accurately measure the temperature of a target device in the outer shell, can effectively protect the temperature measuring bag and has the advantage of being simple in structure.

The utility model discloses an ice melting column type composite insulator which comprises a core rod located at the center position, an umbrella skirt is installed on the outer side of the middle of the core rod, a heating electric wire is installed in the umbrella skirt in an embedded mode, a heat conduction piece is attached to the side portion of the heating electric wire, the heat conduction piece is installed in the umbrella skirt, and the heat conduction piece is connected with the core rod. The upper end and the lower end of the core rod are respectively provided with a connecting fitting. The stress plate is fixedly installed at the upper end of the middle of the core rod, a rotating mechanism is arranged above the stress plate, vibration is generated through cooperation of the rotating mechanism and the stress plate, the vibration is transmitted to the insulator, and broken ice on the outer side of the insulator is vibrated to fall down. According to the ice-melting column type composite insulator, the heating electric wire is electrified, heat generated by the heating electric wire is transmitted to the heat conducting sheet and then is uniformly dispersed on the insulator, rain and snow accumulated on the surface of the composite insulator are effectively reduced, crushed ice can be promoted to rapidly fall off, and the ice-melting column effect is improved.

The utility model discloses natural rubber epoxidation preparation equipment and relates to the technical field of natural rubber processing. The upper side and the lower side of the inner wall of the protective barrel are fixedly connected with a reaction barrel together, a heater is arranged between the protective barrel and the reaction barrel, a barrel cover is clamped at an opening of the reaction barrel, a cavity is formed in the barrel cover, and the middle of the top surface of the barrel cover is fixedly connected with a motor; the output end of the motor penetrates through the top face of the cylinder cover and extends to the inner wall of the cavity, the output end of the motor is fixedly connected with a first rotating rod, and the lower end of the first rotating rod penetrates through the lower side of the inner wall of the cavity and extends to the bottom face of the cylinder cover. When natural rubber is melted, the natural rubber can be fully stirred, low melting efficiency caused by non-uniform melting of the natural rubber is prevented, meanwhile, in the epoxidation reaction process of the natural rubber, full stirring and mixing between a natural rubber solution and an oxidizing agent can be guaranteed, and the natural rubber solution can be fully stirred and mixed. The occurrence of more unreacted raw materials after the reaction is avoided.

The utility model provides a battery device, a power utilization device and a connecting piece. The battery device comprises a plate assembly, a mounting structure, a battery monomer and the connecting piece, the plate assembly is provided with a through fixing through hole. At least part of the mounting structure is located on the side, in the penetrating direction of the fixing through hole, of the fixing through hole, and at least part of the mounting structure and the plate assembly jointly define a mounting space. And at least part of the battery monomers are positioned in the mounting space. The connecting piece comprises a first face and a second face, a part of the connecting piece penetrates through the fixing through hole so that the first face and the installation structure can be fixed in a friction welding mode, a part of the plate assembly is located between the installation structure and the second face, and the second face and the plate assembly are fixed in a friction welding mode. According to the battery device provided by the embodiment of the invention, fixing structures such as threads do not need to be prepared on the mounting structure and the connecting piece in advance, and the structures of the mounting structure and the connecting piece do not need to be damaged in the mounting process, so that stress concentration is reduced.

The present application relates to a kind of dual-mode heat conduction freeze-thaw system and freeze-thaw method, freeze-thaw system includes freeze-thaw cabin, at least two heat exchange plates are provided in cabin body, for placing bagged biological products between two adjacent heat exchange plates;Circulating medium system, including medium temperature control equipment and medium circulation pipe, medium temperature control equipment is used to provide liquid circulating medium and control the temperature of liquid circulating medium, medium temperature control equipment is connected with all heat exchange plates by medium circulation pipe;Air flow circulation system, including air flow circulation pipe, air flow circulation pipe is communicated with the both ends of the cabin body of freeze-thaw cabin and forms air flow circulation channel, air flow circulation driving device and air flow temperature control device are arranged in air flow circulation channel.The present application improves the thawing efficiency by the dual-mode heat conduction of direct contact heat conduction and air flow heat transfer, can restore sample from frozen state to liquid state in short time, reduce the influence of thawing process on biological product quality.

The invention discloses a continuous purification device for high-purity indium, and relates to the technical field of high-purity indium processing. The device comprises a purification furnace, a feeding assembly is arranged on one side of the purification furnace and comprises a feeding box fixedly connected to one side of the purification furnace, first hydraulic cylinders are fixedly connected to the front end and the rear end of one side of the top of the feeding box correspondingly, and output shafts of the first hydraulic cylinders extend into the feeding box and are fixedly connected with a lifting plate; and extrusion rollers are rotationally connected to the two sides of the lower surface of the lifting plate and located at a feeding opening of the feeding box, a plurality of feeding rollers are rotationally connected to the lower portion of the interior of the feeding box at equal intervals, and an auxiliary heating assembly is arranged below the purification furnace. Indium raw materials are extruded and heated through the feeding box, the extrusion roller, the feeding roller and the air inlet pipe, the problem that the indium raw materials are inconvenient to heat and melt in the prior art is solved, the molten indium raw materials are uniformly heated through the steam box, the steam pipe, the baffle and the flow guide plate, and the problem that the existing vacuum distillation speed is low is solved.

The invention discloses a copper alloy chip heat dissipation shell and a welding method thereof, and relates to the technical field of welding. Comprising the following steps that the surface of a copper alloy welding part is subjected to finish machining, and a pretreated welding part is obtained; after the pretreated welding part is tightly assembled, welding flux is clamped, technological parameters are set, resistance welding is conducted, and a welding joint is obtained; wherein the technological parameters comprise the welding power of 10 KVA to 20 KVA, the welding pressure of 0.5 T to 1.5 T and the welding time of 3 s to 8 s; and performing post-welding treatment on the welding joint to obtain a copper alloy chip heat dissipation shell product. Resistance welding is adopted, the welding quality is accurately controlled by adjusting current, pressure and welding flux, preparation of a high-quality welding connector is achieved, welding can be rapidly completed at a time, the welding efficiency is high, the yield of finished products is high, the welded finished products are free of defects such as air holes and hot cracks, and the hardness and the conductivity of the products both meet the use requirements.

A welding device for connecting electrical engineering wires, the device has a handle, a power socket is fixed at the end of the handle, and the front end of the handle is connected to a thermostat, the front end of the thermostat is fixed with a U-shaped bracket through a short tube, and the U-shaped bracket is connected to a tin pot with a heating element. The power switch button and the temperature control knob of the temperature control circuit extend outside the panel of the thermostat. The temperature control circuit is composed of a switch k1, a bridge rectifier, a unidirectional thyristor SCR, a sliding rheostat RP, a resistor R1, a diode D5, a resistor R2 and a capacitor C. The tin pot is made of titanium alloy, and a layer of mica sheet and a heating resistance wire are wrapped around and on the bottom of the tin pot. The outer layer of the heating resistance wire is wrapped with a layer of insulating mica sheet and a metal protective cover. The beneficial effect of the present invention is: avoiding the open flame operation mode, the heating temperature of the tin pot can be controlled. The quality of wire welding and the safety of operation are improved.

The utility model relates to a large ball crushing device of a copper concentrate granulator. The large ball crushing device of the copper concentrate granulator comprises a serrated knife bearing seat, a bearing, a serrated knife shaft, a serrated knife and a large ball cleaner, the serrated cutter bearing seat is mounted on the rear side of the large ball cleaner, the serrated cutter shaft is mounted on the serrated cutter bearing seat, and the serrated cutters are mounted on the serrated cutter shaft at equal intervals through bearings; the top of the serrated knife is arranged on the surface of a granulating disc of the copper concentrate granulating machine, so that large-diameter balls of copper concentrate can be crushed conveniently when the granulating disc rotates. According to the scheme provided by the invention, residual large balls behind the large ball cleaner of the granulator can be crushed to be less than 30mm through the serrated knife mounted on the rear side of the large ball cleaner, small particles can be quickly melted in a hearth after copper concentrate balls smaller than 30mm enter the Isa furnace, the large balls are prevented from entering the Isa furnace, and the service life of the Isa furnace is prolonged. And the discharge period of copper concentrate pellets entering the Isa furnace every time is shortened, and the production yield is increased.

The utility model relates to camera module manufacturing technical field discloses a novel COB photosensitive assembly structure based on laser welding, including photosensitive element body, the right side of photosensitive element body is provided with PCB circuit board, the upper of photosensitive element body is provided with transparent substrate. With laser welding photosensitive element body and PCB circuit board, replace traditional gold wire welding, save DA machine platform, through accurate control laser parameter, realize low melting point tin cream's quick melting and solidification, are used for welding photosensitive element body and PCB circuit board, realize electric connection, and avoid to cause thermal damage to photosensitive element body and PCB circuit board, need not expensive DA machine platform, utilize existing glass material and laser equipment, reduce equipment investment, process simplification, be suitable for more manufacturer production COB module, laser welding process precision is high, fast, promote production efficiency, transparent substrate reusable conductive circuit design, reduce material waste.

The invention discloses an assembly type wrinkled phase change heat storage ball energy storage water tank which comprises a heat preservation tank body, an H-shaped water distributor, a water distribution grating and phase change heat storage balls, the heat preservation tank body is a stainless steel tank body, the periphery of the outer wall of the heat preservation tank body is wrapped with a heat preservation material, and the H-shaped water distributor comprises an upper water distributor water supply pipe, an H-shaped upper water distributor, a lower water distributor water return pipe and an H-shaped lower water distributor. The H-shaped upper water distributor and the upper water distributor water supply pipe are fixed and arranged on the upper portion of the heat preservation box body, the H-shaped lower water distributor and the lower water distributor water return pipe are fixed and arranged on the lower portion of the heat preservation box body, and the phase change heat storage balls are tightly stacked in the heat preservation box body. The upper water distributor water supply pipe, the lower water distributor water return pipe, the H-shaped upper water distributor, the H-shaped lower water distributor and the water distribution grating are installed in the heat preservation box body, so that water is evenly distributed and evenly distributed at all corners of the box body, the dead angle area of the box body is greatly reduced, it is guaranteed that the phase change heat storage balls in the box body can make full contact with the water body, and the heat exchange effect is enhanced.

The invention relates to the technical field of additive manufacturing, in particular to a directional additive forming method based on ultrasonic regulation and control, which comprises the following steps of: filling metal powder in a mold, pressing the metal powder in the mold by adopting a pressurizing module, arranging a plurality of first ultrasonic vibrators on the pressurizing module, enabling each first ultrasonic vibrator to be in contact with the metal powder in the mold; setting working parameters of each first ultrasonic vibrator according to the property of the metal powder, wherein the working parameters comprise ultrasonic starting time, ultrasonic ending time, ultrasonic power, ultrasonic amplitude and ultrasonic frequency; and the pressurizing pressure of the pressurizing module is kept, all the first ultrasonic vibrators are started to heat the metal powder according to the set working parameters, the metal powder in the mold is directionally formed according to the set sequence, and a metal block is obtained.