67results about How to "Reduce cooling efficiency" patented technology

The invention discloses an integrated battery box body based on a double-circulation liquid cooling system, which comprises a box body, a battery area, a low-flow-rate pipeline, a high-flow-rate pipeline, a cooler and a liquid pump, a plurality of cooling plates are arranged in the battery area, and low-flow-rate flow channels and high-flow-rate flow channels are arranged in the cooling plates; the two ends of the cooling plate are provided with through openings and switching pipes which are in sliding sealing connection with the low-flow-speed flow channels and used for switching the high-flow-speed pipelines to be communicated with the high-flow-speed flow channels through sliding, and air bag assemblies used for pushing the switching pipes to slide through battery heat changes are arranged in the low-flow-speed flow channels. According to the invention, the battery box body is provided with a low-flow-rate pipeline and a high-flow-rate pipeline which can realize double circulation by only one liquid pump, so that the liquid cooling efficiency of the battery is enhanced; and the switching pipe and the airbag assembly are arranged in the cooling plate, so that the flow speed of the cooling liquid is automatically switched according to the battery temperature, and the liquid cooling efficiency of the cooling plate on the battery is enhanced.

The invention discloses a laser heat dissipation module and a heat dissipation method, and relates to the technical field of lasers, the laser heat dissipation module comprises a laser arranged on a support and a heat dissipation assembly detachably connected with the laser; the heat dissipation assembly comprises a fan, a heat conduction module and a fin set composed of a plurality of fins, the fin set is arranged on the heat conduction module, the fan is arranged on the side, away from the heat conduction module, of the fin set, and the heat conduction module and the fan are both in the normal direction with the fins. By the adoption of the double-air-path structural design, the circulation path of air between the fins is shortened, so that the retention time of hot air between the fins is shortened, and the situation that the heat dissipation efficiency is reduced due to the fact that the temperature of the air gradually rises in the circulation process is avoided. In addition, due to the fact that the air circulation path is short, the installation direction of the fan does not need to be considered, and therefore heat dissipation can be conducted no matter the fan rotates forwards or backwards.

The invention provides a control device for an intercooling bypass and an EGR cooler bypass in an engine, and belongs to the technical field of engines, the control device comprises a multi-way butterfly valve provided with at least three airflow channels, and the input end of the multi-way butterfly valve is communicated with a supercharger; the EGR cooler is arranged on the EGR cooling branch, one end of the EGR cooling branch communicates with the EGR loop, and the other end of the EGR cooling branch communicates with the intake manifold; one end of the EGR bypass branch communicates with the EGR loop through a first airflow channel of the multi-way butterfly valve, and the other end of the EGR bypass branch communicates with the EGR cooling branch and is located between the EGR cooler and the intake manifold; one end of the inter-cooling bypass branch is communicated with the intake manifold, and the other end of the inter-cooling bypass branch is communicated with a second airflow channel of the multi-way butterfly valve; and one end of the intercooler communicates with the intake manifold, and the other end of the intercooler communicates with the third airflow channel of the multi-way butterfly valve. By additionally arranging the multi-way butterfly valve, the purpose of adjusting the cooling strategies of the EGR system and the intercooling system at the same time is achieved.

The invention relates to the technical field of rubber processing, in particular to a gear pump driven rubber filter which comprises a machine base, a control box and a machine body, the control box and the machine body are both installed on the upper surface of the machine base, the machine body is kept horizontal, and the gear pump is fixedly connected to the left side of the machine body; the gear pump is electrically connected with the control box and drives the screw rod in the machine body to rotate; the discharging device is installed on the top of the machine body and electrically connected with the control box. The filtering mechanism is fixedly connected to the right end of the machine body; the supporting seat is fixedly connected to the right end of the machine body, a runner is formed in the supporting seat, and a mounting groove is formed in the right side of an inner cavity of the supporting seat. The device has an automatic rubber cooling function, prevents the rubber from coking due to too high temperature, prevents the rubber from deteriorating, protects the filter screen, monitors the permeability of the filter screen, enables the filter screen to be cleaned in time, and improves the rubber filtering efficiency.

The utility model relates to a heat dissipation and flow guide structure, and provides the heat dissipation and flow guide structure for the charging cabin of the unmanned aerial vehicle, which comprises a cabin body, a shell, a charging seat, an integrated module and the like, a shell is fixedly arranged on the upper left portion of the cabin body, a control panel is arranged on the upper portion of the shell, an integrated module is arranged on the upper rear portion of the cabin body, an inner groove is formed in the cabin body, an E-shaped charging base is fixedly arranged in the inner groove, and the charging base and the inner groove are matched to form two charging grooves which are symmetrical front and back. During use, after airflow introduced by an air inlet fan is shunted by the flow guide cover and the T-shaped groove, part of the airflow takes away heat through a transverse airflow channel formed by the fin rays, and the other part of the airflow enters the flow guide groove of the U-shaped plate, so that the heat of the contact seat conducted by the heat conducting plate I and the heat of the charging bin conducted by the heat conducting plate II are combined; and finally, the air is discharged by the air outlet fan through the air transmission opening and the L-shaped groove, so that comprehensive heat dissipation of the charging seat, the contact seat and the charging cabin position in the charging cabin is realized, and the heat dissipation efficiency is effectively improved.

The utility model relates to the technical field of gear boxes, in particular to a gear box of a speed reducer. The box comprises a box body, a heat dissipation assembly is arranged on the left side of the box body, the heat dissipation assembly is used for reducing the temperature in the box body, and a dust removal assembly is arranged on the left side of the box body, located at the bottom of the heat dissipation assembly and used for removing dust on the surface of the heat dissipation assembly. The heat dissipation assembly comprises a connecting frame fixed to the inner wall of the left side of the box body, and a heat conduction silica gel pad is fixedly connected to an inner cavity of the box body. According to the utility model, heat can be quickly and uniformly conducted out through the close fit of the radiating fins and the heat-conducting silica gel pad, so that the temperature of each part in the box main body is kept relatively balanced, overlarge pressure on specific parts caused by local overheating is avoided, the service life of the whole equipment is further prolonged, and the production cost is reduced. The dust cleaning assembly can clean dust on the surfaces of the cooling fins in time, and it is guaranteed that the cooling efficiency of the cooling fins cannot be reduced due to dust accumulation.

The invention relates to the technical field of cutting fluid, in particular to cutting lubricating fluid as well as a preparation method and application thereof. The invention provides a special cutting lubricating liquid for finish machining of flutes on the inner wall of an aluminum alloy waveguide, the special cutting lubricating liquid comprises the following components in parts by weight: 89-91 parts of kerosene, 4-6 parts of No.40 engine oil, 0.8-1 part of rapeseed oil, 0.3-0.5 part of tung oil, 0.3-0.5 part of a flame retardant and 0.8-1 part of a penetrant, the composition comprises kerosene, engine oil, rapeseed oil and tung oil, and the flame retardant and the penetrant are supplemented. The lubricating fluid comprehensively solves the problems of built-up edges, oxidation corrosion and cutter wear in deep and narrow flute processing through complementation of advantages of all the components in permeation, lubrication, cooling and film-forming properties.

The utility model discloses a cooling treatment mechanism for production of a food roasting machine, which comprises a fixing frame, a stir-frying bin is arranged on the fixing frame, a conveying device is arranged below the stir-frying bin, a control device is mounted at the bottom end of the stir-frying bin, the control device comprises a lead screw, a limiting plate, a supporting seat and a plugging block, and the plugging block is mounted on the lead screw. The limiting plate is connected to the bottom end of the stir-frying bin, one end of the stir-frying bin is connected with an adjusting device, and the adjusting device comprises a corrugated pipe, a connecting frame, a conveying pipe, a guide mechanism, a driven wheel, a rotating sleeve, a driving wheel, a first motor, a top block, a connecting plate, a flow choking block, a top sleeve, a limiting block, a limiting groove, a push spring and a spring, the corrugated pipe is connected to one side of the top sleeve, and the conveying pipe is connected to one end of the connecting pipe; the driven wheel is arranged on the outer side of the rotating sleeve, the driving wheel is connected with the first motor, the ejector block is connected with the flow choking block through the push spring, the ejector sleeve is installed on the outer side of the rotating sleeve, the limiting block is slidably installed on the inner side of the limiting groove, and the flow choking block is connected with the connecting plate through the spring.

The utility model relates to the technical field of film production, in particular to a dustproof device for frosted film production, which comprises a film blowing machine host and a plurality of fixing pipes, and the fixing pipes are uniformly distributed and fixedly connected on the film blowing machine host. Through the arrangement of the fixed pipe, the movable pipe, the circular ring shell, the first through hole, the second through hole and the third through hole, the fixed pipe is connected with an external blowing device during use, and clean cold air is discharged through the first through hole, the second through hole and the third through hole through the external blowing device in the frosted film production process; on one hand, the situation that the frosted film production cooling efficiency is reduced due to the arrangement of the dustproof film is avoided, on the other hand, external dust can be prevented from entering the frosted film through the air pressure effect, and the dustproof effect is further improved. The dust-proof and cooling device has good dust-proof and cooling effects.

The invention discloses an energy-saving air conditioner indoor unit, and relates to the technical field of air conditioner indoor units. The device comprises a bottom plate, a protection structure is fixedly connected to the upper end face of the bottom plate, an air conditioner indoor unit is fixedly connected to the middle of the lower end face of an inner cavity of the protection structure, energy absorption structures are fixedly connected to the left and right sides of the inner cavity of the protection structure, and energy release structures are fixedly connected to the middles of the left and right side end faces of the protection structure; the end faces of the left side and the right side of the protection structure are each provided with a dustproof structure, through the energy absorption structure on the protection structure, heat in part of air blocked by the protection frame is absorbed when the air conditioner indoor unit discharges air in the using process, then liquid obtained after energy absorption is conveyed to the energy release structure through the pressure pump, and through the energy release structure on the protection structure, the energy release effect is improved. During use, heat of liquid in the inner cavity of the energy release ring pipe is transmitted to the external environment, so that backflow air and heat generated when the air conditioner works are utilized during use, the utilization rate of the air conditioner is increased during use, and then the indoor temperature adjusting efficiency of the air conditioner is improved.

This utility model relates to the field of three-phase induction motors, and more particularly to a heat dissipation assembly for a three-phase induction motor. It includes a connecting base, a motor body mounted on its upper end, a junction box mounted on the upper surface of the motor body, and a drive shaft mounted on the output end of the motor body. A heat dissipation structure is provided on the side of the connecting base away from the drive shaft. The heat dissipation structure includes a connecting ring, which is fixedly connected to the motor body. The inner wall of the connecting ring has several holes. A housing is slidably connected to the arc surface of the connecting ring. Several connecting rods are fixedly connected to the inner wall of the housing, and the connecting rods are slidably connected to the holes. The heat dissipation assembly for a three-phase induction motor provided by this utility model has the advantages of easily improving the heat dissipation efficiency inside the motor, not only improving the motor's heat dissipation efficiency but also reducing the motor's aging rate.

The utility model relates to a cooling tower technical field especially is a kind of windbreak adjusting structure for cooling tower of thermal power plant, including windbreak mechanism and for, windbreak mechanism includes: main component, including the frame of being set in cooling tower air inlet;Execution component, including the vane component of being set in the inside of frame, vane component one end is provided with support rod, and the side of frame is provided with connecting rod, and connecting rod and support rod are hinged;Driving assembly, set in the side of frame and for controlling vane component rotation;The vane component includes the equal interval distribution of several louvers that are rotatably installed in the inside of frame, and the recess is set in the bottom of front end and the top of rear end of louvers, and sealing strip is fixed in recess;Through hand wheel drive worm gear mechanism linkage control louvers synchronous opening and closing, realize air intake accurate regulation, improve cooling efficiency and prevent icing;When closing, sealing strip and fender form double seal, ensure excellent air tightness, adapt to different working condition demand.

This invention discloses a dual-duct vertical cooling device for material cooling and waste heat utilization. The main body of the device consists of a cooling cylinder, a feed hood, a rotary support platform, a discharge hood, and an external support frame. Multiple sets of cooling cones and a material collection tray are vertically arranged inside the cylinder, with a central ventilation duct in the center. The external support frame, through circumferential guide wheels and a cylinder retaining ring, ensures stable operation. The cooling cones adopt a combination of outer and inner cone structures, combined with a skirted concave design, which, combined with the rotation of the equipment, achieves flat material dispersion, expanding the gas-solid heat exchange area. The dual-duct system operates independently: turbid air is fluidized and pressure-stabilized by the discharge hood before directly exchanging heat with the material, with the heated gas used for material preheating; clean air indirectly exchanges heat with the cone walls through the central ventilation duct, forming clean air for use in the plant area. This invention achieves uniform material cooling, broadens the pathways for waste heat utilization, improves cooling effect and waste heat recovery efficiency, and is suitable for rotary kiln production lines in magnesium smelting and other similar applications.

The utility model discloses a water-cooled powder metallurgy die. The water-cooled powder metallurgy mold comprises a section mold, the section mold comprises a water inlet pipeline and a water drainage pipeline, the water inlet pipeline and the water drainage pipeline are connected to a water cooling box in a penetrating mode, the water cooling box is installed in an inner cavity of the section mold, the water cooling box comprises a condensation groove, a cold water cavity is formed in the condensation groove, one port of the cold water cavity is connected with a cold energy pipe, and the other port of the cold water cavity is connected with a water pump. The condensation pipe is further sleeved with a heat absorption piece, and the heat absorption piece moves left and right in the condensation groove through a moving seat on the lead screw. Through the arrangement of the heat absorption pieces, the contact area between the condensation pipe and the heat dissipation cavity is increased, so that heat is absorbed and conducted more effectively, the cooling speed of the mold is increased, meanwhile, more accurate temperature control can be achieved according to the actual cooling requirement of the mold by adjusting the positions of the heat absorption pieces, and the cooling efficiency is improved. Therefore, the temperature distribution of the whole mold is more uniform.

The invention discloses an efficient heat dissipation brushless motor, and relates to the technical field of brushless motors. The motor comprises a motor body, a rotor assembly is installed in the motor body, a stator assembly is installed in the motor body, a heat dissipation shell is fixedly connected to the outer wall of the motor body, the rotor assembly comprises a rotating shaft rotationally connected to the interior of the motor body, and a permanent magnet is fixedly connected to the rotating shaft. The motor is provided with the stator assembly, the rotor assembly, the heat dissipation shell, the heat-conducting fins, the cooling liquid pipeline and the temperature sensor, heat generated during operation of the motor body can be rapidly conducted into the heat dissipation shell through the heat-conducting fins, heat in the heat dissipation shell can be directly taken away through cooling liquid in the cooling liquid pipeline, and the heat dissipation efficiency is improved. And the temperature sensor can automatically control the operation of the circulating part according to the temperature change, so that the flow of the cooling liquid in the cooling liquid pipeline is adjusted, and the motor can be ensured to be always in the optimal working temperature range.

The invention relates to the technical field of transformers, in particular to an outdoor box-type transformer which comprises a box body, a high-voltage sleeve and a low-voltage sleeve are arranged on a top plate of the box body, an oil conservator is further installed on the top of the box body, radiators are arranged on the side walls of the periphery of the box body, and a base is arranged at the bottom of the box body. A plurality of groups of wind shielding assemblies are arranged on the base and are positioned on the periphery of the box body; the top plate is further provided with a wind speed sensor, and the wind speed sensor is electrically connected with a controller. Through the arrangement of the wind shielding assembly, wind is intercepted, so that the wind flows through the outer side of the wind shielding plate in a relatively smooth manner, and the problem that the internal structure of the transformer is damaged by strong wind is solved; through the arrangement of the supporting damping assembly, damping is conducted between the plastic wind shield and the transformer, the situation that shaking generated by the plastic wind shield is transmitted to the transformer and causes damage to original parts in the transformer is prevented, the vibration phenomenon of the transformer is prevented, and the operation stability of the transformer is ensured.

This utility model relates to the field of compressor technology, and in particular to an oil return structure for an aluminum swashplate type large displacement compressor, comprising: a compression working assembly including a rotating shaft with an oil outlet channel along its length, and multiple oil outlet holes on its outer wall communicating with the oil outlet channel; a cylinder body with a working chamber in the middle, fitted onto the compression working assembly, with the rotating shaft passing through the cylinder body; an oil storage pool on one side of the cylinder body; and end caps, one on each of the two end faces of the cylinder body; wherein the cylinder body is divided into a first oil return section and a second oil return section; the first oil return section has a first oil return hole channel communicating from the joint surface between the first oil return section and the end cap to the working chamber; the second oil return section has a second oil return hole channel communicating from the joint surface between the second oil return section and the end cap to the oil storage pool. This utility model effectively improves the oil circulation effect within the compressor, enhances the lubrication effect, and improves the oil return function.

An artificial intelligence big data storage device, including a cover, a heat dissipation assembly arranged in the shell body and a storage disc arranged in the shell body. The cover includes a shell body, a front cover detachably arranged at one end of the shell body, and a rear cover detachably arranged at the other end of the shell body, and a plurality of heat dissipation fin groups are distributed between the front cover and the rear cover. An installation opening is formed between adjacent heat dissipation fin groups on the front cover, and the storage disc is inserted into the shell body through the installation opening. The heat dissipation assembly includes a fan arranged in the shell body, the fan is arranged corresponding to the air inlet, an air outlet pipe with a size smaller than the fan is arranged on one side of the fan, and the air outlet pipe and the fan are connected through a connecting cylinder. The utility model discloses a size smaller than the fan is arranged on the connecting cylinder, the fan pushes the outside air to accelerate the airflow velocity when passing through the air outlet pipe, so that the air temperature is reduced, and the cooling efficiency of the heat dissipation fin is accelerated after the air temperature is reduced. The temperature of the storage disc is prevented from being too high, and the service life of the storage disc is increased.

The utility model discloses an intelligent water spray control device for a data center air conditioner outdoor unit, which comprises a temperature control module, a pipeline pressure control module, a relay group and an electromagnetic valve, and is characterized in that the temperature control module is used for controlling the opening and closing of the electromagnetic valve through the relay group according to the environment temperature; the pipeline pressure control module is used for controlling opening and closing of the electromagnetic valve through the relay set according to the pressure value of the air conditioner pipeline. By arranging the temperature control module and the pipeline pressure control module and setting the opening and closing values of the temperature control module and the pipeline pressure control module, the water spraying device can be automatically opened, the work of opening and closing the water spraying device is reduced, the working efficiency of operation and maintenance personnel is improved, and waste of water resources can be reduced; in addition, the electromagnetic valve corresponding to each outdoor unit is controlled through the pipeline pressure control module, waste of water resources is reduced, and damage to fins of the outdoor units is reduced.

This invention discloses a microchannel heat sink for communication equipment, belonging to the technical field of microchannel heat sinks. It includes a heat sink body, a flow divider, and a trigger. The heat sink body includes two symmetrically distributed manifolds. Multiple microchannel plates are evenly distributed between the manifolds and are vertically distributed along the manifolds. Multiple evenly distributed V-shaped fins are installed between the microchannel plates, and flow channels are formed within the microchannel plates. The microchannel plates are connected to both manifolds through these flow channels. This invention uses heat-absorbing fins to contact the heat source, rapidly transferring heat to the inner cavity of the heat-conducting block. The heat-conducting block absorbs heat and transfers it to the trigger rod. When the temperature of the heat-conducting block and the trigger rod exceeds 40-45°C, the trigger rod deforms and extends upwards, thereby pushing the sealing plug to open the flow divider, allowing more coolant to flow into the heat dissipation cavity to cope with the increased heat load and facilitate coolant entry into the heat dissipation cavity.

The utility model discloses an oil-immersed transformer with self -response ability oil tank relates to electric power equipment technical field. It includes transformer body and fixed on pressure oil tank, and pressure oil tank is communicated with transformer body oil storage cavity through oil pipe, and is equipped with the floating type isolation membrane in the tank, and the inner chamber is divided into the oil cavity and the air chamber, the outer edge of isolation membrane and the tank body inner wall sliding seal cooperation, can move along the axial movement to respond the oil volume change. The utility model discloses through isolation membrane realizes the physical isolation of oil and air, thoroughly puts an end to oil liquid hygroscopicity, oxidation, delays the oil quality deterioration, and the sliding type response mechanism can instantaneously compensate the tiny change of oil volume, and maintains the stable system pressure, and discards the traditional elastic capsule, and eliminates the breakage pollution risk from the root. Its simple structure is reliable, effectively promotes transformer operation stability and service life, and is applicable to various oil-immersed transformers.

The utility model belongs to the technical field of system cabinets, and discloses a control system cabinet convenient to disassemble and maintain, which comprises a dust removal mechanism, the dust removal mechanism comprises a telescopic cylinder, the inner surface of a shell is fixedly provided with a first sliding groove rod, a screw rod drives a brush roller to move, the brush roller drives a gear to move in a second sliding groove rod, and the gear is driven by a motor to rotate. Under the action of a rack, when a brush roller moves, a gear is meshed with the rack, the gear can rotate, the gear drives the brush roller to rotate, dust accumulated at a ventilation opening of the shell is removed, under the action of a dust removal mechanism, the shell is used for a long time, holes in the ventilation position of the shell are blocked due to heat dissipation, and certain dust can be accumulated on the surface; and a dust removal mechanism is used for removing dust on the surfaces of the ventilation openings, so that the service life of the device can be prolonged, and the situation that due to dust blockage, the heat dissipation efficiency of internal components is low is avoided.

The application discloses a power cabinet with a cable bundling limiting structure, and relates to the technical field of power cabinet bundling, which comprises a power cabinet, a ventilation opening is formed in the surface of the power cabinet, a fan is fixedly installed on the inner wall of the ventilation opening, a guide rail is fixedly installed on the inner wall of the power cabinet, the cable bundling device comprises a placing rack, a rotating shaft, a reciprocating wire rod, a winding drum, a wire guide drum, a limiting plate, a limiting rack, a pressing plate and a bolt, the placing rack is slidingly installed on the inner wall of the guide rail, the pressing plate is pressed down by a worker according to the number and thickness of the cable, the pressing plate contacts and compresses the cable, then the worker inserts the bolt into the limiting plate and the pressing plate at the same time and fixes them, the fixing of the compressed cable is realized, the loosening or displacement of the cable in the power cabinet due to vibration, operation or external force is effectively prevented, and the mutual contact or friction between the cables is reduced.

The invention relates to the technical field of steel plate storage shelves, solves the technical problem of low heat dissipation efficiency of cooling liquid, and particularly relates to an energy storage liquid cooling box structure which comprises a cooling box serving as a supporting foundation, and the cooling box is provided with a pneumatic mechanism which replaces a liquid pump to provide flowing power for the cooling liquid. The cooling box is provided with a cooling air pumping mechanism which is used in cooperation with the pneumatic mechanism and used for cooling and refluxing cooling liquid, the pneumatic mechanism comprises a battery shell arranged on the inner side of the cooling box, and the inner side of the battery shell is fixedly connected with a cooling bent pipe. Due to the arrangement of the pneumatic mechanism, flowing power can be provided for the cooling liquid instead of a liquid pump, the influence of heating caused by long-time use of the liquid pump on the cooling liquid can be avoided, the cooling liquid needs to absorb the liquid pump in the air cooling process, the cooling efficiency of the cooling liquid is reduced, and the service life of the cooling liquid is prolonged. And the pneumatic mechanism can save the investment of production cost.

The utility model discloses a steel belt cooling system of solid polyester resin for powder coating, which comprises two driving rollers which are arranged on two sides of a bearing heat dissipation support, the steel belt cooling system is provided with and connected with a rotary support to play a role in rotary sealing, and on the premise of ensuring that the driving rollers can rotate freely, the steel belt cooling system can be used for cooling the solid polyester resin for the powder coating. A spiral conveying support is installed, so that when the driving roller rotates, the spiral conveying support rotates synchronously, cooling water in the driving roller is conveyed, the cooling water can flow in the driving roller, and then the cooling water cools the driving roller; the temperature of the driving roller at the output end of the steel belt conveyor is prevented from rising, the temperature difference between the conveying cooling steel belt at the output end of the steel belt conveyor and the high-temperature polyester resin is always kept maximum, the cooling efficiency of the conveying cooling steel belt at the output end of the steel belt conveyor is further prevented from being reduced, and the using effect of the conveying cooling steel belt is guaranteed.

The utility model relates to the technical field of electric power engineering, and discloses an electric power engineering winching machine which comprises a machine box, a pull rod is fixedly connected to one end of the top of the machine box, a control device is fixedly connected to the front face of the machine box, and a plurality of square grooves are formed in the bottom of the machine box. A plurality of square grooves are formed in the bottom of the machine box, telescopic devices are fixedly connected into the multiple square grooves in the bottom of the machine box, the bottom of each telescopic device is fixedly connected with a moving wheel, and a containing block is fixedly connected to the bottom of an inner cavity of the machine box. The connecting sliding block can drive pulleys on the outer wall to rotate, the pulleys can rotate and move in square sliding grooves in the two sides of an inner cavity of the sliding shell, movement of the pulleys can drive a cleaning brush at the bottom of the connecting sliding block to rotate and move, brush strips on the surface of the cleaning brush can push dust on a ventilation net out of the case, and the cooling efficiency is prevented from being reduced.

The invention belongs to the field of optical fiber amplifiers, and particularly relates to a heat dissipation structure of an optical fiber amplifier, the heat dissipation structure comprises a front plate, a shell and a back plate, the back plate is provided with a ventilation pipeline, the ventilation pipeline is provided with a heat dissipation structure, the heat dissipation structure comprises a placing plate, the inner wall of the shell is fixedly connected with the placing plate, and the inner wall of the shell is fixedly connected with the placing plate. A cooling fan is fixedly connected to the top of the placement plate, a mounting ring is fixedly connected to the outer wall of the ventilation pipeline, a first motor is fixedly connected to the inner wall of the mounting ring, and a gear is fixedly connected to the output end of the first motor. According to the heat dissipation structure of the optical fiber amplifier, heat dissipation work can be conducted through the heat dissipation fan, it is ensured that equipment keeps a stable working temperature during operation, meanwhile, when the device cleans the filter plate, the dustproof plate can seal the ventilation pipeline during cleaning, dust is prevented from entering the machine, the dustproof effect is further enhanced, and the service life of the equipment is prolonged. The influence of dust on internal elements is reduced, and the service life of equipment is prolonged.

The utility model relates to the field of metal piece machining, in particular to metal piece forging machining equipment with a protection function. In the prior art, in the cooling treatment process of batch metal forgings, local parts of stacked metal parts can make contact with one another and cannot make full direct contact with peripheral cooling liquid, so that local cooling of the metal parts is uneven, and then the performance of the metal parts is affected. In the process that the placing screen frame containing a large number of metal forgings moves downwards and sinks into the cooling liquid, the placing screen frame is made to rotate at the same time, so that metal in the placing screen frame rolls in the placing screen frame, the metal pieces in the placing screen frame can make full contact with the peripheral cooling liquid, and therefore the metal forgings are prevented from being damaged. And uniform cooling of the metal part is guaranteed, and the problem that local cooling of the metal part is not uniform due to the fact that local parts of the metal part make contact with one another and cannot make full direct contact with peripheral cooling liquid is solved.

The invention belongs to the technical field of transformers, particularly relates to an energy-saving transformer with filtering and exhausting functions, and provides the following scheme that the energy-saving transformer comprises a transformer box shell, an air inlet pipeline and an air outlet pipeline are arranged on the two sides of the transformer box shell correspondingly, and filter screens are installed at the opening ends, away from the transformer box shell, of the air inlet pipeline and the air outlet pipeline correspondingly; fan assemblies are installed in the air inlet pipeline and the air outlet pipeline, the main control unit receives data of all the sensors, conducts comprehensive analysis and outputs control instructions to the fan assemblies to achieve rotation speed adjustment, and anti-blocking mechanisms are arranged between the fan assemblies and the filter screen and can impact the filter screen along with rotation speed changes of the fan assemblies. The rotating speed of the fan is intelligently adjusted through the monitoring unit and the main control unit, on-demand heat dissipation is achieved, energy waste caused by continuous high-speed running of a traditional fan is avoided, the energy-saving purpose is achieved, and the filter screen can be automatically cleaned through the wind power change of the system.

The utility model discloses an outdoor emergency heat preservation folding water storage device which sequentially comprises an air bag layer, a heating layer and a heat insulation layer from inside to outside. The top end of the air bag layer communicates with an inflation pipe, a one-way inflation valve is installed on the inflation pipe, a heating layer is fixedly installed on the outer wall of the air bag layer, and a power connecting wire is fixedly connected to the top end of the heating layer. Under the severe environment condition, the inflation pipe is connected with the inflation device to inflate the inner portion of the water storage air bag inner container, the heat preservation effect is achieved, and the heat dissipation efficiency of a water source is reduced. The water storage air bag inner container is used for carrying out certain water storage work, then the connector on the electric heating connecting wire is connected with a power source, the water storage inner container is heated through the heating layer, and it is guaranteed that water stored in the water storage air bag inner container cannot be frozen. The device not only can ensure that a water body is not frozen in a severe environment, but also has a folding function, so that the device is convenient to carry.