19results about How to "Reduce local temperature" patented technology

The invention provides a fresh-keeping storage container and a refrigerator. The fresh-keeping storage container comprises an inner barrel body and an outer barrel body, wherein the inner barrel body is internally provided with a fresh-keeping storage space for placing stored objects; the first magnetic field assembly is arranged on the outer side of the side wall of one side of the inner barrel body; an air supply and return channel for refrigeration airflow to pass through is formed between the first magnetic field assembly and the side wall of the inner barrel body. According to the scheme, the air supply and return duct is arranged between the first magnetic field assembly and the inner barrel body, so that refrigeration airflow is closer to the fresh-keeping storage space, the fresh-keeping storage space can be refrigerated more quickly in the refrigeration process, the cooling speed is increased, the effective time for bacterial reproduction is shortened, and the fresh-keeping period is prolonged.

The invention provides a hot stamping forming die and a hot stamping forming method, belongs to the technical field of hot stamping, solves the problems of wrinkling and stacking of stamped plates, and adopts the scheme that the hot stamping forming die comprises a die steel block 2 used for hot stamping forming, the die steel block 2 is further provided with air blowing holes 1, and the air blowing holes 1 are communicated with the die steel block 2. The blowing hole 1 is a risk area determined according to the hot stamping forming of the plate 7, and the risk area refers to a small-range thinning excessive out-of-tolerance area or a cracking area of the plate 7 in the hot stamping forming process or a risk area determined when the hot stamping forming plate is subjected to simulation analysis in the early stage; and one end of the air channel pipe 4 penetrates through the die steel block 2 to be connected with the air blowing hole 1, and the air channel pipe 4 is used for cooling the hot stamping forming plate 7 through the air blowing hole. The cooling system is added for the risk area, so that the local temperature of the plate is lower than that of other parts, the austenite conversion rate is higher than that of other parts, and the tensile strength of the area is improved.

The utility model discloses a urine sample storage device for nephrology department relates to urine storage device technical field. Including: main body frame, the inner wall of main body frame is connected with bearing device, the outer wall of main body frame is connected with seal cover, storage device, the storage device includes storage frame, the outer wall of storage frame is rotatably connected with storage cover through the lug, the outer wall fixedly connected with buffer washer of storage frame, the outer wall fixedly connected with the clamping tongue of storage frame, the inner wall fixedly connected with the fixed plate of storage frame, the outer wall fixedly connected with the clamping ring of storage cover. The urine sample that needs to store is placed in the hole of fixed plate through storage device, so this can make sample place stability and orderly, then close storage cover, and the clamping ring will be locked into the clamping tongue when closing storage cover, thereby realizes the closed preservation to the sample in storage device.

This invention provides a cathode-unitized X-ray source, a static CT imaging system, and an image enhancement method, comprising: a vacuum tube; a cathode end for emitting electron beams, the cathode end including an exposure control module and multiple electron emission units arranged in a matrix on the same side of the exposure control module, all electron emission units being independent and electrically connected to the exposure control module; an anode target bombarded by the electron beam, the anode target including an anode body and a target surface formed on the anode body, the target surface being located on the emission path of the electron emission units; when the exposure control module receives an external control signal, it establishes a voltage line between the selected electron emission unit and the exposure control module, the electron emission units emitting electrons one by one or row by row toward the target surface, and the target surface reflecting X-rays to a window under the bombardment of electrons. This invention can increase the scanning range, improve the image quality of static CT, and extend the lifespan of the X-ray source.

The invention discloses a miniaturized heating cigarette smoking set capable of reducing the surface temperature. Comprising a heating cavity used for containing an aerosol generating substance, a heating system arranged in the heating cavity, a battery cell used for providing energy for the heating system, a control system used for connecting and controlling the heating system and the battery cell, and a supporting system used for fixing all parts and facilitating holding of a user. The supporting system is provided with a heat insulation area for reducing outward diffusion of heat in the heating cavity on the outer side of the heating cavity, and a heat conduction system which is connected with the heating system and the heating cavity and conducts and dissipates heat generated by the heating system and the heating cavity is arranged in the portion, used for being held by a user, of the supporting system. The device serves as a portable electronic product, the portability of the device requires that the size of the product is as small as possible, and the device strives to achieve balance in demand contradictions by reducing the surface temperature of the product through the design of heat insulation, heat conduction and heat dissipation in a small product space.

The utility model discloses cooking equipment in the technical field of cooking utensils, which comprises a shell and a base, a motor frame, an air guide disc and a heat cycle component are arranged in the shell, and a cooking cavity is formed below the air guide disc; a containing cavity is formed between the motor frame and the upper portion of the shell, a cold air cavity is formed between the motor frame and the air guide disc, second fan blades are arranged in the cold air cavity, the driving motor drives the second fan blades to rotate in the cold air cavity, a surrounding plate is arranged on the periphery of the second fan blades in a surrounding mode, and the surrounding plate is arranged in the containing cavity. The two ends of the surrounding plate abut against the motor frame and the air guide disc correspondingly, and an air guide cavity is formed in the surrounding plate. According to the utility model, the flowing parts of the cold air are arranged around the accommodating cavity, the motor frame and the air guide disc, and the cold air is concentrated to circulate around the parts, so that the heat accumulation of the parts such as the accommodating cavity, the motor frame and the air guide disc is avoided, and the parts are cooled in time, thereby ensuring the service life of the electric parts, improving the working performance of the electric parts and improving the heat dissipation efficiency.

The invention aims to provide a pepper controlled drying system and a drying method, and belongs to the technical field of pepper processing. The pepper controlled drying system comprises a hot air preheating unit, an upper and lower layer overturning unit and a hot air drying unit which are sequentially arranged in a straight line shape. The hot air preheating unit is used for generating hot air flowing from bottom to top under the conditions of first preset environment temperature and preset environment humidity so as to preheat the Chinese prickly ash which is flatly paved to a preset thickness; the upper and lower layer overturning unit is used for overturning the upper layer part and the residual lower layer part of the preheated Chinese prickly ash, so that the upper layer and the lower layer are overturned and then stacked and laid together again; the hot air drying unit is used for drying the Chinese prickly ash which is stacked and laid again by hot air flowing from bottom to top under the gradient temperature condition until the water content is equal to or lower than the preset water content. The pepper controlled drying method is implemented based on the pepper controlled drying system. The method can reduce the surface shell hardening phenomenon of the Chinese prickly ash in the drying process, and ensures the drying quality.

The invention belongs to the technical field of impeller machining, and particularly relates to drilling equipment for machining an impeller of a submersible pump, the drilling equipment comprises a base, the outer wall of the base is fixedly connected with a bottom plate, a clamping device is arranged in a workbench, and the clamping device comprises a circular groove. According to the drilling equipment for machining the submersible pump impeller, through the arranged clamping device, when a round block is stressed, extruded and pressed downwards, a first spring is compressed to store elastic potential energy, a protruding block slides in a connecting cylinder to prevent limiting, the round block slides to the bottom end of a round groove, a movable plate arranged in a movable groove of the round block is stressed to rotate in the moving process, and a balance plate is driven to be lifted; the clamping plate starts to turn downwards, the clamping plate is matched with the edge of the impeller in shape, the clamping plate can be tightly attached to the edge of the impeller, the impeller is prevented from moving or shaking in the drilling process, it is ensured that a drill bit accurately drills a needed hole site in the impeller, drilling deviation caused by instability of the impeller is avoided, the machining precision is improved, and clamping of the impeller is achieved.

The invention discloses a bending-resistant multi-core optical cable for an intelligent computing center and application, the bending-resistant multi-core optical cable comprises a sheath layer and an optical fiber unit which is arranged in the sheath layer and is composed of a plurality of optical fibers, and a flexible reinforcing layer, a waterproof layer and a compression-resistant armored braid layer are sequentially arranged outside the optical fiber unit. According to the invention, the flexible reinforcing layer and the bending insensitive optical fiber are adopted, so that the optical performance of the optical cable is still stable and reliable under the conditions of complex wiring path and extremely small bending radius of an intelligent calculation center, and signal degradation and faults caused by bending are greatly reduced; structural groove design is carried out on the surface of the sheath layer, so that airflow circulation of a cable binding area can be effectively improved, the local temperature can be reduced in an auxiliary manner, and the heat dissipation efficiency and reliability of the whole infrastructure are improved; a physical optical cable is connected with a digital twin system through a built-in identification line, so that the core demands of an intelligent calculation center on asset management automation, operation and maintenance precision and efficiency maximization are met, and a basic support is provided for realizing an intelligent calculation center operation and maintenance mode of unattended operation or few-person routing inspection; and high density and high reliability are both considered.

The utility model discloses an AC inductor box easy to dissipate heat, which comprises a shell, a heat conducting plate is laid at the top of the shell, a plurality of heat dissipation fins are arranged at the top of the shell, the heat conducting plate penetrates through the plurality of heat dissipation fins, two ends of each heat dissipation fin extend to two sides of the shell, at least one heat dissipation pipe is arranged on two sides of the shell, the heat dissipation pipes penetrate through the plurality of heat dissipation fins, and the heat dissipation fins are arranged on the heat conducting plate. The heat dissipation device has the advantages of being compact in structure and good in heat dissipation effect.

This utility model discloses a three-section structure for the lower mold of a wheel hub mold, including: a lower mold for the wheel hub, a lower mold section body provided on the inner cavity of the lower mold through a mold base, a lower mold section water-cooling insert for the lower mold section body which is fixed with bolts for disassembly and replacement, and a lower mold section cold water insert for the lower mold section which is fixed with screws for disassembly and replacement. Through the independent water-cooling structure of the lower mold section cold water insert, the cooling efficiency of the original weak heat dissipation area can be enhanced, the local temperature can be reduced quickly, and the segmented water cooling makes the temperature distribution of each area more balanced, reducing the thermal deformation of the mold caused by temperature difference and improving the quality of wheel hub forming. The lower mold section two and three both adopt the insert structure fixed with bolts / screws. When a certain section or the easily corroded third section is worn or corroded, it is not necessary to disassemble or replace the entire lower mold, but only to replace the corresponding insert, which greatly reduces maintenance costs and downtime.

The invention discloses hemostasis auxiliary equipment, and relates to the technical field of medical instruments. A lower pressing plate is arranged above the fixing plate, one end of a fixing rod is arranged above the fixing plate, a supporting plate is arranged at the other end of the fixing rod, the supporting plate is in threaded connection with a threaded rod, an upper pressing plate is rotationally installed at the end, close to the lower pressing plate, of the threaded rod, and hemostasis mechanisms are arranged on the inner sides of the upper pressing plate and the lower pressing plate. The hemostasis mechanism is used for hemostasis and fixation of the wound position of a patient, the fixing mechanism is arranged above the fixing plate and used for blocking blood flow to achieve the hemostasis purpose, the lower pressing plate is provided with the ice compress mechanism, and the ice compress mechanism promotes vasoconstriction and helps hemostasis by reducing the local temperature. The moving distance of the lower pressing plate is controlled by rotating the number of turns of the threaded rod, so that the pressure is adjusted, the pressure is kept in the optimal state, pain cannot be caused to a patient, and the hemostasis effect cannot be affected.

The utility model discloses a sole production mould convenient to take, which comprises a bottom plate, one side of the bottom plate is rotatably connected with a rotating plate, the inside of the bottom plate is symmetrically and fixedly connected with a lower mould frame, one side of the rotating plate is fixedly connected with an upper mould, the inside of the bottom end of the bottom plate is symmetrically provided with a top mould mechanism, and the bottom end of the bottom plate is fixedly connected with a lower mould frame. A cooling assembly is arranged on one side of the bottom plate; wherein the mold ejecting mechanism comprises mounting boxes which are symmetrically and fixedly connected into the bottom plate, screw rods are rotationally connected into the bottom ends of the mounting boxes, push blocks are in threaded connection with the outer side walls of the screw rods, extrusion rods are slidably connected into the top ends of the mounting boxes, and lower mold plates are fixedly connected to the top ends of the extrusion rods; and the lower mold plate is located in the lower mold frame and slidably connected with the interior of the lower mold frame, and the interior of the bottom end of the extrusion rod is rotationally connected with a roller, so that the pressed shoe sole in the lower mold frame can be ejected and taken out, the production efficiency of the shoe sole is greatly improved, and convenience is brought to workers during use.

The invention relates to the field of molten steel smelting equipment, in particular to a stopper rod quick-changing device of a continuous casting machine tundish, which comprises a plugging cover, a sliding hole, an elastic layer and a locking nut, the plugging cover is cylindrical, the plugging cover is coaxially provided with the sliding hole, the plugging cover is sleeved on the periphery of a screw rod through the sliding hole, the screw rod is in sliding connection with the plugging cover, and the elastic layer is arranged on the elastic layer. The face, close to the stopper rod, of the plugging cover is fixedly connected with an elastic layer, a lead screw coaxially penetrates through the elastic layer, the lead screw is in threaded fit with a locking nut, and the locking nut is located above the plugging cover. The problems that in the prior art, when scrap iron or hard impurities are attached to the upper wall of the stopper rod and the gland is pressed down by the fastening nut to be attached to the stopper rod, the structure of the stopper rod and the gland is damaged, and a gap is formed are solved, the sealing performance and safety of the replacing device are improved, and the service life of the replacing device and the stopper rod is further prolonged.

The application provides an LCD black-and-white screen projection lighting structure, which is mainly composed of a projection assembly, a light funnel and a light source rotating disc. The light source rotating disc is designed to rotate around the central axis, so as to reduce the local temperature rise of the light source rotating disc. A plurality of color source areas are arranged in the circumferential direction on the light source rotating disc. The light outlet of the light funnel is opposite to the projection assembly, and the light inlet is opposite to the color source area on the light source rotating disc, so that the light loss in the transmission process is minimized. The light emitted by the color source area is efficiently collected by the light funnel and transmitted to the projection assembly, so that the light utilization rate is improved. The rotation of the light source rotating disc enables the color source areas to work alternately, so that the local high temperature caused by long-time light irradiation in a single area is avoided, and good heat dissipation effect is achieved. Meanwhile, the color source areas are independently lighted, only the working color source area generates heat, the overall heat generation is reduced, and the temperature is lowered.

An upper metal shell is provided with a first accommodating groove, and the top wall of the first accommodating groove is recessed to form a first fixed mounting groove; the lower metal shell is provided with a second accommodating groove, and the top wall of the second accommodating groove is recessed to form a second fixed mounting groove; heat conduction pads are arranged in the first fixed mounting groove and the second fixed mounting groove; when the lower metal shell and the upper metal shell are connected in a sealed mode, the printed circuit board assembly is located in a sealed space formed by the lower metal shell and the upper metal shell and makes contact with the heat conduction pads, and therefore heat generated by the printed circuit board assembly is transmitted to the metal shell and the upper metal shell through the heat conduction pads at the top and the bottom. Heat conducted by the heat conduction pad is quickly and effectively dissipated to air or an external metal structure of the memory card, so that the local temperature of the chip is reduced.

This invention relates to the field of automotive parts processing technology, specifically disclosing an injection molding device for the production of plastic automotive trim parts. The device includes an injection molding material block and an injection molding block, with the injection molding block positioned above and in contact with the injection molding material block. The injection molding material block has a feed inlet. The device also includes an air removal mechanism; the air removal mechanism includes a blower, a recessed block, a moving tube, air removal components symmetrically arranged on both sides of the moving tube, a drive component for driving the moving tube to reciprocate along the length of the recessed block, a chamber on the injection molding material block, and an air inlet on the moving tube. The blower and the recessed block are both fixedly connected to the chamber; the moving tube is slidably connected to the recessed block. The air removal components include an air supply pipe, a sliding hole on the chamber, a through hole on the moving tube, and an air supply hole on the air supply pipe; the sliding hole communicates with the feed inlet. This solves the problem of feed inlet blockage easily occurring after injection molding of the injection molding material in existing injection molding devices.

The invention belongs to the technical field of copper-clad steel round wire welding, and particularly relates to a copper-clad steel round wire welding device which comprises a workbench, a correcting track, a welding table, a fixing frame, a grinding air cylinder and a grinding assembly, the grinding assembly comprises a scissor fork piece and grinding plates, ventilation micro holes are formed in the grinding plates, and the two grinding plates are connected through an air bag cavity; and the air bag cavity is connected with an air pump. Ventilation micro holes are formed in the polishing plate, cold air is slowly inflated into an air bag cavity through an air pump, and the local temperature of the polishing surface is reduced; in the polishing process, in order to prevent metal powder from blocking the ventilation micropores, the distance between the polishing plates is adjusted by pressing the shear fork pieces, meanwhile, the air bag cavities are extruded by pressing the shear fork pieces, air in the air bag cavities is discharged through the micropores of the polishing plates, and the function of clearing the micropores is achieved.

This invention provides a shampoo production device, including a raw material storage tank and a heating assembly for heating the raw material storage tank. A gas recovery mechanism is provided between the raw material storage tank and the heating assembly. The gas recovery mechanism includes a gas recovery pipe connected to the raw material storage tank, a gas recovery pump connected to the gas recovery pipe, and a gas diversion pipe located at the end of the gas recovery pipe away from the raw material storage tank. The gas diversion pipe includes a gas return section and a gas release section, both of which are connected to the gas recovery pipe. This invention reduces heating energy consumption in the production process by recovering and utilizing high-temperature hot gas. Furthermore, the high-temperature hot gas is ejected through the gas release section, increasing thermal convection, breaking down temperature stratification, and preventing localized excessively low temperatures during the heating process.