3602results about How to "Rapid cooling" patented technology

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

The invention belongs to the technical field of battery thermal management, and discloses a battery pack and a phase change material coupling liquid cooling composite thermal management system.The battery pack comprises a plurality of battery structures, each battery structure comprises a lithium battery, a fin structure, a phase change material filling area and a liquid cooling plate, and the fin structure is arranged on the periphery of the lithium battery; the liquid cooling plate is arranged on the periphery of the fin structure, a phase-change material filling area is formed between the liquid cooling plate and the fin structure, and the phase-change material filling area is filled with a phase-change material for absorbing redundant heat and generating phase change, so that the temperature fluctuation of the battery is reduced. The lithium bromide heat pump and the direct-current power supply are combined, and accurate adjustment of the temperature of the battery pack is achieved through efficient heat exchange and intelligent control. The system can be rapidly switched between a cooling mode and a heating mode, and it is ensured that the battery is always kept within the optimal temperature range in different working environments.

The invention relates to the field of laser processing, and particularly discloses a laser cladding efficient cooling device which comprises a bearing plate, supporting rings are symmetrically arranged on the bearing plate, rotating ring discs are connected to the supporting rings through bearings, and driving mechanisms used for driving the rotating ring discs to rotate are arranged on the supporting rings. A clamping assembly used for clamping a workpiece is arranged on the rotating ring disc. The bearing plate is provided with a laser output device used for machining a workpiece. A supporting plate is arranged on the rotating ring disc, and a sliding assembly is arranged on the supporting plate. By means of rotation of the device, when the periphery of a workpiece is machined, the cooling assembly continuously blows cold air and adjusts the output temperature of the laser output equipment, so that the temperature is always kept within the normal range, effective combination of a coating and the workpiece is facilitated, the quality of the workpiece is improved, and the machining efficiency is improved; rapid cooling of the coating and the workpiece is facilitated, and forming of a standard machined part is facilitated.

The invention provides a production method of an invar alloy 4J36 hot-rolled coil, belongs to the technical field of invar alloy 4J36 hot rolling, and solves the problem that the invar alloy 4J36 hot-rolled coil needs to be efficiently produced. The plate blank is preheated and then heated after being ground, and the heated plate blank is subjected to high-pressure water descaling; and the descaled plate blank is rolled into an intermediate blank through seven-pass rough rolling, the intermediate blank is rolled into a black coil through five-pass steckel mill finish rolling, and the black coil is rolled into an invar alloy 4J36 hot-rolled black coil finished product. The method comprises the steps of slab component control, slab preheating and heating, rough rolling to obtain an intermediate slab, steekle mill rolling, coiling and the like, and surface oxidation generated in the heating process is reduced by adjusting the heating process; and through rolling of the steekle mill, dynamic recrystallization is fully carried out, the surface quality of the produced invar alloy 4J36 hot-rolled coil meets the product requirement, and the yield and the production efficiency are both remarkably improved.

The invention belongs to the technical field of integrated circuit packaging, and particularly relates to a resin-based gallium arsenide radio frequency chip fan-out packaging method. Comprising the following steps: using a temporary bonding support plate as a slide glass; coating photolysis temporary bonding glue on the slide glass in a spin coating mode, curing the photolysis temporary bonding glue, and then protecting the temporary bonding glue on the front surface by using a metal protection layer; bonding the back surfaces of the two heterogeneous gallium arsenide radio frequency chips to the front surface of the metal protection layer through a bonding layer; using a wafer-level plastic packaging process to package and wrap the two heterogeneous gallium arsenide radio frequency chips so as to form a first plastic packaging layer; performing laser or mechanical punching on the first plastic package layer to expose the metal protection layer so as to form a first plastic package through hole; and filling the first plastic package through hole to form a filler. According to the invention, the manufacturing cost of the chip is reduced, the miniaturization of the size of the chip is realized, the heat dissipation of the chip can be effectively enhanced by the high-heat-dissipation conductive layer on the back surface, and the performance of a system is improved.

The invention discloses a circuit breaker contact arc extinguishing device, and relates to the technical field of circuit breakers, the circuit breaker contact arc extinguishing device comprises an arc extinguishing chamber main body, the two sides of the interior of the arc extinguishing chamber main body are respectively provided with a guide cover, the middle of each guide cover is provided with a plurality of groups of uniformly distributed arc extinguishing sheets, and the arc extinguishing sheets are arranged at the outer side of the arc extinguishing chamber main body and are communicated with the interior of the arc extinguishing chamber main body; two ends of the arc extinguish chamber main body are provided with transmission assemblies, and one end of the outer side of the arc extinguish chamber main body is provided with an air blowing assembly. According to the invention, the transmission assembly is designed, the moving contact and the static contact realize synchronous rotation while the moving contact and the static contact are separated, the arc extinguishing sheet is matched to cut the electric arc, and the gas blown by the gas blowing assembly is matched to timely cut the longer electric arc into the electric arc with very small length; and meanwhile, the electric arc continuously rotates to be in contact with different arc extinguishing sheets for cooling, and the outer sides of the arc extinguishing sheets are in contact with air, so that rapid cooling can be automatically carried out, and the service life of the arc extinguishing sheets is prolonged.

The invention discloses a refrigeration cabinet and an operation control method of the refrigeration cabinet. A weight sensor used for detecting the weight of stored articles and a temperature sensor used for detecting the temperature of a chamber are arranged in the storage chamber of the refrigeration cabinet. When it is detected that the door body is opened, the compressor is controlled to stop running; calculating a weight change value according to the object weight detected by the weight sensor before and after the door body is opened; according to the compartment temperature detected by the temperature sensor, the temperature change rate is calculated; and after it is detected that the door body is closed, the operation state and operation parameters of the compressor are controlled according to the door opening duration of the door body, the weight change value and the temperature change rate. By the adoption of the refrigerator, door opening and closing actions, food material weight changes and compartment temperature changes can be effectively combined to control the rotating speed of the compressor, the cooling speed is increased, and the storage quality of food is improved.

The utility model relates to a secondary bionic vein-shaped micro-channel cooling plate which comprises a plate body, a central main channel is arranged at the central position in the plate body, and an outlet auxiliary channel connected with the central main channel is respectively arranged at the edges of the two sides of the plate body; a plurality of first-stage bionic vein-shaped small channels are arranged between the central main channel and the two outlet auxiliary channels; and a plurality of second-stage bionic vein-shaped micro-channels are arranged on the two sides of each first-stage bionic vein-shaped small channel. Under the condition of not additionally increasing the conveying power consumption of fluid in a flow channel, the high-temperature area of a heat source center can be rapidly cooled, the temperature field in the plate body can be highly homogenized, the temperature uniformity of the cooled power battery is improved, and compared with a conventional liquid cooling plate, the cooling plate has the advantages of being simple in structure and convenient to use. And the highest temperature of the power battery and the battery tabs can be reduced, and the temperature difference between the two tabs of the battery is reduced.

The invention provides a flat heat dissipation axial magnetic flux motor which comprises a heat dissipation assembly, and the heat dissipation assembly comprises a rotor disc, a rotor shaft, an inner core, a first flow channel, a second flow channel, a piston, an oil storage box, cooling fins, fan blades, a flow guide pipe, a sealing plate, a mounting disc and a magnetic block. And the rotor shaft is fixedly connected to the interior of the rotor disc. The rotor shaft drives the mounting disc to rotate, cooling oil flows into the first flow channel on the right side, then sequentially flows through the right flow guide groove, the left flow guide groove, the first flow channel on the left side, the second flow channel and the flow guide pipe and finally circulates into the oil storage box, the cooling oil circulates along with continuous rotation of the rotor disc, and then heat dissipation of the rotor can be achieved; cooling oil flowing into the oil storage box from the flow guide pipe makes contact with the cooling fins, the cooling oil can be cooled through the cooling fins, efficient cooling of the rotor is achieved by adopting an internal circulation mode of the cooling oil, and installation and use of the motor are not affected.

The invention discloses a temperature adjusting device and an integrated chip testing device, the temperature adjusting device is applied to an integrated chip testing scene, the temperature adjusting device comprises a first semiconductor chilling plate, the first end face of the first semiconductor chilling plate is configured to be attached to one side of a to-be-tested integrated chip, and the second end face of the first semiconductor chilling plate is configured to be attached to the other side of the to-be-tested integrated chip; the heat exchanger is used for absorbing heat of the to-be-tested integrated chip or transferring heat to the to-be-tested integrated chip; the heat exchange assembly is attached to the second end face of the first semiconductor chilling plate and used for conducting heat exchange with the first semiconductor chilling plate. According to the scheme, the speed of refrigerating or heating the to-be-tested integrated chip by the semiconductor refrigerating sheet can be increased, so that the to-be-tested integrated chip is cooled or heated more quickly.

The metal cutting equipment for metal part machining comprises a protective cover, a first motor is fixedly installed at the upper end of the right side of the outer surface of the protective cover, and an adjusting screw rod is fixedly installed at the output end of the first motor. Through the arrangement of the supporting table, a metal part needing to be cut and machined can be supported, and through the arrangement of a second hydraulic cylinder, a moving frame, a second motor, a cutting tool, a first motor, an adjusting screw rod and a moving frame, the effect of cutting and machining the metal part is achieved; and meanwhile, under the cooperative action of an adjusting screw rod, a first L-shaped rotating rod, a connecting rod, a movable rod, a piston, a conveying barrel, a first one-way valve, a liquid collecting box, a second one-way valve and a cooling spray head, cutting liquid can be sprayed to the surface of the cutting tool in the cutting operation process, and therefore the cutting tool can be rapidly cooled and lubricated.

The utility model relates to the technical field of control cabinets, discloses a weak current intelligent control cabinet with a heat dissipation structure, and solves the problems that only a fan is used in the prior art, the heat dissipation effect is poor, and a dustproof net is inconvenient to overhaul. A weak current intelligent control cabinet with a heat dissipation structure comprises a device body, a cabinet door is hinged to the device body, dust screens are arranged in the middle of the top end of the device body and on the side walls of the left end and the right end of the device body, heat dissipation holes are formed under the dust screens, and a mounting frame used for mounting electrical components is fixedly connected into the device body. According to the weak current intelligent control cabinet with the heat dissipation structure, it can be ensured that the temperature in the control cabinet is always kept within a proper range, performance reduction or damage, caused by overheating, of electric appliance elements is avoided, the operation stability of the electric appliance elements is improved, and the service life of the electric appliance elements is prolonged. And meanwhile, the dustproof net is convenient to clean and maintain, and the flexibility of equipment is improved.

The invention provides an ammeter convenient to disassemble and assemble, and relates to the technical field of ammeters. The electric meter convenient to disassemble and assemble comprises an electric meter indicating end, an insulating shell arranged at the bottom of the electric meter indicating end, a plurality of indicating end wiring copper plates arranged at the bottom of the electric meter indicating end, a plurality of wiring terminals fixed in the insulating shell, and fixed wiring copper plates embedded in the plurality of wiring terminals, the electric meter is characterized in that the bottom of the electric meter indicating end is also provided with an electric meter wiring end. The problem that in the dismounting and mounting process of the electric meter, the electrified condition of the electric wire is not easy to perceive, and then danger is caused is solved, the electric meter interface is blocked mainly through induction current generated on the electromagnetic coil, the electrified electric wire is prevented from being directly overlapped on the terminal, it is guaranteed that the current carried by the electric wire does not flow into the electric meter any more, and the safety of the electric meter is guaranteed. The internal structure of the electric meter is protected, and dangerous accidents are avoided.

The invention discloses titanium tube laser automatic welding and sealing equipment for sealing a seed source, and relates to the technical field of titanium tube welding and sealing equipment, the titanium tube laser automatic welding and sealing equipment comprises a bearing table, a positioning assembly is arranged on the upper surface of the right end of the bearing table and used for positioning and conveying a titanium tube, and a protection assembly is arranged in the positioning assembly and used for cooling the titanium tube and isolating hot air. The upper surface of the left end of the bearing table is fixedly connected with a carrying frame, and a laser welding and sealing assembly is installed on the upper surface of the carrying frame and used for welding and sealing a titanium tube. According to the titanium pipe welding device, firstly, a second air cylinder is controlled to be started to drive a servo motor and a laser welding head to move left and right at the same time, so that the welding diameter can be rapidly adjusted, and titanium pipes with different diameters can be conveniently welded through the laser welding head; in this way, the welding angle of the laser welding head can be rapidly adjusted, the welding position of the laser welding head can be conveniently and accurately adjusted, and the practicability of the whole device is greatly improved.

The invention provides an anti-expansion new energy battery which comprises a battery box, air draft assemblies, a liquid cooling assembly, an air supply assembly, air cooling assemblies and a battery cell, the two air draft assemblies are installed on the left surface of the battery box, the air cooling assemblies are installed at the bottom and the upper portion of the battery box, and the battery cell is installed in the battery box. Compared with the prior art, the invention has the following beneficial effects: the air cooling assembly is matched with the liquid cooling assembly, two sets of cooling structures with different cooling modes are provided, and the battery core can be rapidly cooled, so that the battery core can work in a reasonable temperature range during charging and discharging, the battery core is prevented from expanding due to high temperature, the service life of the battery core is greatly prolonged, and the service life of the battery core is prolonged. The air draft assembly can suck away heat generated by the battery cells in the battery box through the air cooling assembly in a manner of accelerating air flow, so that not only can the air flow speed in the battery box be accelerated, but also hot air in the battery box can be rapidly guided away, and the purpose of rapid cooling is achieved.

The utility model provides a heat dissipation structure and a battery module, the heat dissipation structure comprises a plurality of cooling plates which are sequentially distributed at intervals along a first direction, a mounting space for mounting a battery cell is formed between every two adjacent cooling plates, and a cooling channel is formed in each cooling plate; a flow adjusting valve is arranged at an inlet or an outlet of the cooling channel of at least one cooling plate, and the flow adjusting valve is used for adjusting the flow of the cooling medium in the corresponding cooling channel. The flow regulating valve for regulating the flow of the cooling medium is arranged at the inlet or the outlet of the cooling channel of at least one cooling plate, and the flow of the cooling medium in the cooling channel of the cooling plate can be regulated through the flow regulating valve, so that the cooling efficiency of the cooling medium on the cooling plate is regulated; and the cooling speed of the cooling plate on the battery cells on one side or two sides of the cooling plate is adjusted, so that one or more battery cells with higher temperature in the plurality of battery cells can be quickly cooled, and the temperature difference of the plurality of battery cells is smaller.

The utility model discloses in-mold insert and popcorn foaming particle integrated forming sole equipment, which relates to the technical field of sole foaming forming and comprises a frame body, a fixed mold frame capable of translating is arranged in the frame body, and a movable mold frame capable of getting close to or away from the fixed mold frame is arranged above the fixed mold frame by taking the translating direction of the fixed mold frame in the frame body as the left-right direction. A fixed mold and a movable mold are installed in the fixed mold frame and the movable mold frame correspondingly and are integrally formed through 3D printing, and a plurality of nanoscale holes which are formed in a penetrating mode and can allow steam or water flow to enter are formed in the inner circumferential wall of the top of a mold cavity of the fixed mold and the inner circumferential wall of the top of a mold cavity of the movable mold correspondingly. A plurality of elastic telescopic positioning pieces used for fixing a carbon plate are arranged in die cavities of the fixed die and the movable die, a feeding port used for feeding and a plurality of air holes used for steam to pass through are formed in the bottom of the die cavity of the fixed die, and a vacuumizing assembly is further arranged on one side of the frame body. According to the scheme, the sole and the carbon plate can be integrally formed, and the carbon plate of the formed sole cannot be subjected to performance reduction or damage.

The invention discloses a composite laminated waterproof coating preparation device, and relates to the technical field of multilayer film deposition. A main body adopts a double-layer chamber design, an ALD gas inlet unit and a Parylene gas inlet unit are introduced into the double-layer chamber at the same time, a low-temperature fluid gas inlet unit is connected between the double-layer chamber, a sample needing to be coated is placed on a sample support in the chamber, rapid cooling of the chamber is achieved through low-temperature fluid (such as liquid nitrogen), the cooling waiting time after a coating is deposited is shortened to the maximum extent, and the coating quality is improved. And the preparation efficiency of the composite laminated waterproof coating of the ALD coating and Parylene is improved. And meanwhile, the equipment has a rapid cooling capability, so that the preparation of the composite laminated waterproof coating at different deposition temperatures of the sample can be efficiently realized.

The invention provides a hot-press forming device for acrylic plates, and belongs to the technical field of acrylic plate processing, the hot-press forming device comprises a base, the upper surface of the base is fixedly connected with a top plate through a supporting column, a lower die moving mechanism is arranged in the base, and the lower die moving mechanism comprises a bidirectional lead screw; the two-way lead screw is rotationally installed in the base, the surface of the two-way lead screw is movably connected with a moving seat through a sliding block, and the upper end of the moving seat penetrates through the upper portion of the base and is provided with a moving plate; by means of the arranged lower die moving mechanism, after a set of acrylic plates are subjected to hot press forming, the lower die moving mechanism can drive two sets of lower forming dies to move, the formed lower forming dies are moved to the side edge, and the lower forming dies waiting for hot press forming are moved to the position under the hot press mechanism, so that the hot press forming work can be continued; and the previous plate can be cooled, shaped and taken out, so that the overall working efficiency is improved.

The utility model discloses a gas-liquid shunting device which comprises an obliquely arranged guide plate, a plurality of through holes penetrating through the guide plate are formed in the guide plate, the through holes are obliquely arranged, the high ends of the through holes are located on one side of the high end of the guide plate, and the low ends of the through holes face one side of the low end of the guide plate. The utility model has the advantages of novel structure and strong practicability. By means of the gas-liquid flow dividing device, hot air can be rapidly cooled, condensed water is separated from hot air water, the condensed water is collected, and after a certain amount of water is collected, the condensed water is reasonably discharged. The device is a special device for liquid-gas separation aiming at waste liquid contained in exhaust gas.

The invention provides an automatic spraying cooling method for an air cooling island, and solves the problems that an existing air cooling island auxiliary cooling spraying device is complex in structure, and a spraying cooling control and adjustment method is complex, and according to the technical scheme, the cooling method comprises the following steps that an air cooling island automatic spraying cooling system is arranged on the air cooling island; checking equipment and a control system; opening water supply and opening a water inlet valve of a water supply system; adjusting pressure to start spraying; cooling is controlled, and a PLC of the master control cabinet judges according to a preset temperature threshold value; monitoring parameters; and observing the spraying effect. The system can automatically perform spray cooling according to the real-time temperature of the air cooling island, strengthen the cooling effect of the air cooling island, increase the air humidity, prevent corrosion and dust accumulation, cope with the environment temperature change, reduce the operation of cooling auxiliary equipment, relieve the thermal stress of the air cooling island, assist in improving the cooling efficiency of the air cooling island, improve the output of a generator set and save energy.

The invention discloses battery pack aluminum alloy shell casting equipment, and relates to the technical field of aluminum alloy shell casting, the battery pack aluminum alloy shell casting equipment comprises a casting workbench, a material injection assembly is fixedly mounted on the right side of the top of the casting workbench, a fixed mold is arranged on the top of the casting workbench, and a movable mold is movably mounted on one side of the fixed mold. The movable mold and the fixed mold rotate, under the action of centrifugal force, the edges of the movable mold and the fixed mold can be rapidly filled with the aluminum alloy solution, the aluminum alloy solution fully flows in, and the phenomenon of shrinkage cavities or looseness is avoided; the problems that when entering the movable mold and the fixed mold, an aluminum alloy solution makes contact with the cooled movable mold and the fixed mold and is solidified in advance, the liquidity of the aluminum alloy solution is insufficient, the edges of the movable mold and the fixed mold cannot be filled with the aluminum alloy solution, the bottom of the rotating disc is knocked, bubbles are rapidly broken, and the sealing performance of the battery shell is improved are solved.

The invention provides a preparation method of a beryllium-copper alloy material with high beryllium content, which comprises the following steps of: preparing metal raw materials containing pure copper and beryllium-copper master alloy, smelting to obtain alloy liquid, casting the alloy liquid to obtain a cast ingot, homogenizing the cast ingot to obtain a homogenized casting blank, and hot-rolling the homogenized casting blank to obtain a hot-rolled blank, the preparation method comprises the following steps: carrying out hot rolling on an alloy strip, carrying out hot rolling on the alloy strip to obtain a hot-rolled blank, carrying out annealing treatment on the hot-rolled blank to obtain an annealed blank, carrying out a circulating cold rolling-intermediate annealing process on the annealed blank, and finally carrying out finish rolling and finished product annealing treatment on the alloy strip to prepare the high-beryllium-content beryllium-copper alloy material. And machining passes are many.

The utility model discloses a battery pack and a power utilization device, the battery pack has a first direction and a second direction which are intersected, the battery pack comprises a heat management component and a plurality of battery monomers, the plurality of battery monomers are arranged along the first direction to form a battery pack, and the heat management component is arranged at one side of the battery pack; the heat management component comprises a first heat exchange part and a second heat exchange part, the first heat exchange part is provided with a first cavity, and the first cavity is configured to contain a first heat exchange medium and is provided with a first inlet and a first outlet; the second heat exchange part and the first heat exchange part are arranged in a spaced mode, and the second heat exchange part is provided with a second cavity. The second cavity is configured to contain a second heat exchange medium and is provided with a second inlet and a second outlet. In the second direction, the first inlet is adjacent to the second outlet, and the second inlet is adjacent to the first outlet; the heat exchange coefficient of the first heat exchange medium is larger than that of the second heat exchange medium. The first heat exchange medium and the second heat exchange medium are different in heat exchange coefficient and flow direction, rapid cooling can be achieved, and heat exchange uniformity can be improved.

The invention discloses an energy-saving noise-reducing transformer corrugated oil tank, and relates to the technical field of transformer oil tanks, the energy-saving noise-reducing transformer corrugated oil tank comprises a bottom plate, the top end of the bottom plate is fixedly connected with a tank wall, the top end of the tank wall is fixedly connected with a top plate, the outer wall of the tank wall is provided with a supporting mechanism, one side of the bottom plate is provided with a liquid cooling mechanism, and the top end of the liquid cooling mechanism is provided with an air cooling mechanism; a noise reduction mechanism is arranged at the bottom end of the bottom plate, and the supporting mechanism comprises a box wall. According to the corrugated oil tank, the heat dissipation efficiency of cooling liquid is effectively improved, so that the cooling effect of transformer oil is improved, normal operation of a transformer is guaranteed, the service life of the transformer is prolonged, cooling of the transformer oil is faster, the heat dissipation efficiency is higher, and the temperature of the transformer oil is reduced; and moreover, the damage of vibration to the transformer oil tank and the internal structure of the transformer oil tank can be reduced, and the use is safer.

The invention relates to the technical field of glass processing molds, in particular to a glass ceramic hot bending mold which comprises a rack, a conveying frame and a rotating frame, a bending mechanism is movably arranged on the peripheral face of the rotating frame, and a bending forming mold is fixedly arranged on the lower portion of the interior of the rotating frame. Glass ceramics above the conveying frame are adsorbed through the bottom of the feeding adsorption frame, meanwhile, hot air is guided into the two preheating air blowing frames through the two air guide pipes, and the hot air is used for preheating the surface of the glass ceramics in the feeding frame; and then a bending mechanism on the peripheral surface of the rotating frame is matched to adsorb and clamp the preheated microcrystalline glass, and then the microcrystalline glass is conveyed into a bending forming die to be subjected to hot bending machining treatment, so that the whole feeding, preheating and hot bending processes are automatically completed, and manual auxiliary operation is not needed. And the thermal bending processing efficiency of the microcrystalline glass is improved to a great extent.

The invention relates to the technical field of power boxes, and discloses a power box with a heat dissipation function, which comprises a box body, an electric appliance module mounting plate is fixedly connected to the inner wall of one side of the box body, a water collecting shell is fixedly connected to the inner walls of multiple sides of the box body, and a pipeline is fixedly connected to the outer side of the water collecting shell. A plurality of first heat conducting plates are fixedly connected to the inner walls of the multiple sides of the water collecting shell, a water collecting box is fixedly connected to the bottom of the water collecting shell, and water leakage holes communicating with the interior of the water collecting box are formed in the positions, located at the bottom, of the two sides of the water collecting shell. According to the invention, water drops generated by pipeline condensation can be collected to prevent the water drops from entering the power supply box to cause short electric appliances in the power supply box, and water in the water tank can be rapidly cooled to improve the cooling efficiency of the water in the water tank, so that the heat dissipation efficiency of the power supply box is improved, and the service life of the power supply box is prolonged. And auxiliary heat dissipation can be carried out on the power box, so that the heat dissipation effect of the power box is improved.

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 utility model relates to the technical field of arsenic oxide crystallization, in particular to an arsenic oxide cooling crystallization liquid inlet device, which comprises a crystallization kettle, a guide plate, a diversion barrel and a circulating pump, a mounting hole is formed in the middle of the guide plate, a hollow sleeve is fixedly connected in the mounting hole, and the top of the hollow sleeve is fixedly connected with an upper cover of the crystallization kettle. The flow guide plate plays a role in dispersing water flow, the flow dividing barrel is fixedly connected to an upper cover of the crystallization kettle, and an inner cavity of the flow dividing barrel is fixedly communicated with flow dividing pipelines arranged in a circumferential array. Through the cooperative design of a flow guide plate, a flow dividing barrel, a flow dividing pipeline and a circulating pump, an arsenic solution in a crystallization kettle can be pumped by the circulating pump and conveyed into the flow dividing barrel, the arsenic solution flows out in a water flow column state through the flow dividing barrel, and under interception of the flow guide plate, the water flow column is scattered into a water curtain; and the water curtain is sprayed on the inner wall of the crystallization kettle and flows down from the inner wall for rapid cooling, so that the cold and heat transfer effect is good and the crystallization process of the arsenic solution is accelerated through a circulating cooling mode.

The invention relates to the field of transformers, in particular to a no-load current adjustable transformer which comprises an adjustable transformer body, the adjustable transformer body comprises a shell, a partition plate is fixedly connected to the lower portion in the shell, a bottom bin is arranged on the lower portion of the partition plate, and side bins are fixedly connected to the middles of the two sides in the shell. The device comprises a shell, air heating cavities are formed in the two sides of the shell, guide pipes are fixedly connected to the front side and the rear side of the top of each air heating cavity, the ends, away from the air heating cavities, of the guide pipes penetrate through the side wall of the shell, the ends, away from the air heating cavities, of the guide pipes penetrate through the tops of side bins, piston plates are slidably connected into the side bins, and limiting rods penetrate through the front portions and the rear portions of the piston plates. According to the adjustable transformer, the situation that the safety performance of the adjustable transformer is affected due to the fact that the temperature of insulating oil is accumulated and rises to exceed a safety threshold value can be effectively avoided, and the safety of the transformer is effectively improved.