38results about How to "Improve ventilation and cooling efficiency" patented technology

Disclosed is a constant-temperature insulation steel silo. A common steel silo is already widely used as being low in cost and fast in construction and is unsuitable for long-term storage of grain and only suitable for revolving as not having an insulation function. The constant-temperature insulation steel silo is composed of a foundation (1) and a silo body (2) connected with the foundation, an insulation layer (3) is fixed to the outer side of the silo body through connectors, a peripheral plate (4) is fixed on the insulation layer or the silo body through supports, and the insulation layer and the peripheral plate form an air heat-insulation course. The constant-temperature insulation steel silo is used as a granary for long-term grain preservation.

The invention discloses a dustproof and ventilated big data server with an effect of noise reduction. The big data server comprises a dustproof box and a shell. The inner bottom of the shell is provided with an air distribution screen plate, an upper space of an upper partition plate in the inner side of the shell is filled with a buffer sound-absorbing interlayer, the upper space of the partition plate forms a number of the cavities, the upper ends of the cavities are communicated with a first exhaust pipe, the upper end of the first exhaust pipe is communicated with an exhaust pipe, the lower ends of the cavities are communicated with a second exhaust pipe, the lower end of the second exhaust pipe in the lower side of the partition plate is provided with a sound-absorbing raised block, a ball chamber is formed in the sound-absorbing raised block, the other end of the exhaust pipe is connected to the top of the dustproof box, the bottom of the dustproof box is provided with an air inlet pipe, the air inlet pipe is provided with an air cooler and the other end of the air inlet pipe is connected to the bottom of the side of the shell. The dustproof and ventilated big data server produces small noise, has good ventilation, heat dissipation and dust removal effects, improves device operation stability and reliability and prolongs a service life.

The invention aims at providing a heat dissipation structure of a motor stator. The heat dissipation structure comprises a motor housing, a stator iron core, a stator coil, an insulation heat-conducting layer, and heat conducting wires. The insulation heat-conducting layer is arranged at the bottom of the stator coil; and a plurality of heat conducting wires are arranged at the other surface of the insulation heat-conducting layer. A leading pressing plate is arranged at the top of the stator iron core; two groups of stator pressing pieces are arranged outside the stator iron core; any one oftwo groups of stator pressing pieces includes two symmetric semi-circular rings; a gap opening is formed between the two symmetric semi-circular rings of any one group of stator pressing pieces; and the two groups of stator pressing pieces are arranged in parallel. A plurality of ventilation openings are formed in the side surface of the motor housing. The heat dissipation structure has the following beneficial effects: when a permanent-magnet brushless motor uses the heat dissipation structure, the overall cooling capacity of the motor is enhanced under the circumstance that the size is not increased obviously; and with the centralized cooling way of multiple motors, the overall size of the equipment is reduced, the usage requirement of the motor is ensured, and the service life of the motor is prolonged.

The invention provides a ventilating and cooling system installed inside an indoor transformer room. A transformer is installed inside the transformer room; heat radiator is installed on the transformer; an air supply opening is positioned at the lower part of the sidewall of the transformer room; an exhaust outlet is positioned at the upper part of the transformer room; an air conveying device and an intelligent control unit are installed inside the transformer room, wherein the air conveying device is used for conveying air into the transformer room, and the intelligent control unit is usedfor controlling the air conveying device; a control signal of the intelligent control unit is from a sensor; the air conveying device comprises a fan and an air flow adjusting device; the fan is installed at the air supply opening; the air flow adjusting device is connected with an air outlet of the fan and is used for guiding the air flow sent out from the fan to the lower part of the heat radiator; the transformer room is also internally provided with an indoor air flow guiding device for changing the flowing direction of the air flow sent by the fan into an upward direction; and the indoorair flow guiding device is installed at the lower part of the heat radiator. The ventilating and cooling system provided by the invention has the advantages that (1) a ventilating system capable of effectively making the air flow pass through a region which is easily superheated is built, and the ventilation and cooling efficiency is improved; (2) the use of a roof ventilator which may generate relatively large noises is avoided, so noises are reduced; and (3) the fed fresh air directly enters the heat radiator to have heat exchange, so the energy consumption of an air supply unit is reduced.

The invention relates to a traction motor, in particular to a traction motor for an EMU. The invention solves the problem that the ventilation structure of the existing self-ventilating traction motor is not suitable for intercity EMUs. The utility model relates to a traction motor of an EMU, which has a three-channel ventilation structure. The motor adopts a split junction box, and the three-phase cable can be detached under the condition that the gland head is not required to be disassembled. Both ends of the motor are equipped with a large-capacity convex oil drain chamber, which can greatly improve the service life of the bearing under normal grease supply conditions. The non-drive end of the motor is equipped with a compact sensor bracket with a detection window, which is convenient for checking the installation gap between the sensor probe and the speed measuring gear. The sunken mounting hole is used, and the sunken protective cover plate is used to shorten the axial assembly size of the sensor bracket. , Increase the maintenance and operation space of the non-drive end of the motor. The bottom of the drive end and non-drive end of the machine base is equipped with dust removal holes and stepped protective cover plates to prevent water accumulation inside the motor and remove foreign objects inside the motor in time.

A sliding bearing forced air cooling structure of a high-speed self-lubricating motor comprises a machine base. A front sliding bearing pedestal and a rear sliding bearing pedestal are arranged at the two ends of the machine base respectively. A rotary shaft is rotationally connected between the front sliding bearing pedestal and the rear sliding bearing pedestal. A cooler is arranged at the top of the machine base. A fan hood is arranged at the rear end of the machine base. An outer fan connected with the rotary shaft is arranged in the fan hood. An air cooling channel is arranged in the machine base in the axial direction. A vent hole is formed in the lower portion of the front side of the fan hood. The rear end of the air cooling channel is connected with the vent hole through a rear connecting pipe. The rear connecting pipe is provided with a rear air cooling pipe blowing air to the rear sliding bearing pedestal. A front connecting pipe is arranged at the front end of the air cooling channel. The front connecting pipe is provided with a front air cooling pipe blowing air to the front sliding bearing pedestal. The heat dissipation capacity of the bearing pedestals at the two ends is improved, the work temperature of sliding bearings is reduced, and the operation reliability of the bearings is improved.

The invention discloses a high-speed self-ventilation traction motor, and relates to the field of traction motor heat dissipation. The interior of the traction motor is a U-shaped air path, and cooling air enters the motor from an air inlet in the top of a base and is divided into three paths, namely a stator air path, an air gap air path and a rotor air path. And the three paths of cooling air are converged and extracted through a fan arranged at the transmission end of the rotating shaft and are exhausted through air outlets formed in the circumferential direction of the side edge of the transmission end cover. According to the invention, the stator punching sheets of the shrinkage fit type stator are integrally tensioned with the buckle sheets by adopting the dovetail grooves at the back, and the buckle sheets are provided with wind paths, so that the weight and noise of the motor can be reduced. The novel shaft extension structure is adopted, the connection reliability of the coupling is improved, and the damage rate of repeated disassembly and assembly operation of the coupling to shaft extension is reduced. Encapsulation bodies are additionally arranged at notches at two ends of the coil, and sealing colloid is filled in a gap between a connecting line and a motor base outlet hole, so that the overall insulation performance of the stator is improved. And a paint-dipping special-shaped hard copper connecting wire is adopted, so that the fault of low insulation resistance of a wire connecting part is eliminated while the connecting strength is met.

A sliding bearing forced air cooling structure of a high-speed self-lubricating motor comprises a machine base. A front sliding bearing pedestal and a rear sliding bearing pedestal are arranged at the two ends of the machine base respectively. A rotary shaft is rotationally connected between the front sliding bearing pedestal and the rear sliding bearing pedestal. A cooler is arranged at the top of the machine base. A fan hood is arranged at the rear end of the machine base. An outer fan connected with the rotary shaft is arranged in the fan hood. An air cooling channel is arranged in the machine base in the axial direction. A vent hole is formed in the lower portion of the front side of the fan hood. The rear end of the air cooling channel is connected with the vent hole through a rear connecting pipe. The rear connecting pipe is provided with a rear air cooling pipe blowing air to the rear sliding bearing pedestal. A front connecting pipe is arranged at the front end of the air cooling channel. The front connecting pipe is provided with a front air cooling pipe blowing air to the front sliding bearing pedestal. The heat dissipation capacity of the bearing pedestals at the two ends is improved, the work temperature of sliding bearings is reduced, and the operation reliability of the bearings is improved.

The invention relates to the technical field of motors. The invention discloses a motor fan cover capable of improving ventilation cooling efficiency. The motor fan cover comprises an air hood middleshell, a top ventilation groove is fixedly formed in the top of the air hood middle shell, first filter screens are fixedly installed on the inner sides of the bottom of the air hood middle shell, bottom supports are fixedly installed on the inner sides of the two first filter screens, and a main filter screen is fixedly installed between the two bottom supports. The air flow speed between the topbaffle and the top gap of the middle shell of the fan cover is increased, so that the pressure intensity between the top baffle and the middle shell of the fan cover is reduced, the pressure intensity at the top ventilation groove is reduced; and the pressure intensity at the bottom of the top ventilation groove is greater than that at the bottom of the top ventilation groove, so that the airflowat the bottom of the top ventilation groove can be sucked out through the top ventilation groove, the flowing of the air in the middle shell of the fan cover is accelerated in the process, and the effect of improving the ventilation cooling efficiency of the motor fan cover is achieved.

The invention relates to the technical field of computers, and discloses a computer suspension dust-proof case, comprising a suspension case, a ring-shaped connecting plate is fixedly installed on the right side wall of the suspension case, a connecting sleeve is arranged on the right side wall of the connecting plate, and the connecting sleeve is ring-shaped An engaging rotation mechanism is provided between the left side wall of the connecting plate and the right side wall of the connecting plate. In this computer hanging dust-proof case, by setting the engaging rotation mechanism and pulling the four sets of travel levers outward at the same time, the arc-shaped protruding ends of the two sets of engaging levers are pulled out from the card slot B, and the card slot B cancels the pairing. The limit of the clamping rod realizes the rapid disassembly of the connecting sleeve from the connecting plate, improves the efficiency of the suspension installation of the computer body, and facilitates the disassembly, installation and maintenance of the suspended computer. Similarly, by pressing the four sets of stroke rods, It realizes quickly positioning and installing the connecting sleeve on the wall surface of the connecting plate, which is convenient for users to install, use and disassemble, and improves the use efficiency of the suspended computer.

The invention relates to the technical field of container substations, and in particular relates to a multifunctional fixed-point cooling container substation which comprises a container body, internal components and fixed-point coolers, the internal components are symmetrically arranged on the two sides of the interior of the container body, the fixed-point coolers are located between the internal components on the two sides, each fixed-point cooler is composed of an air storage tank, a circulating air outlet device and a motor, each circulating air outlet device is composed of a bottom plate, a circulating belt and a top plate, each bottom plate is composed of a plate body, a gear, an air outlet sealing shell and a first electric control valve, an annular limiting notch is formed in the upper end of each plate body, an air outlet lower pipe is arranged in the center of the lower end of each plate body, and an electric control valve I is fixedly mounted at the lower end of each air outlet lower pipe. According to the invention, an air outlet head is transformed, so that the air outlet head can circularly move, and components at each position in the container can be efficiently cooled, so that the ventilation and heat dissipation efficiency is greatly improved.

The invention provides a heat dissipation structure of an energy storage battery box, which relates to the field of energy storage battery boxes, including an upper cover, a casing, a battery cell and a battery cell base located below the battery cell, and two fans are installed on one side of the casing. The other side directly opposite to this side is the air inlet. The cell base consists of upper and lower parts. The upper part is composed of several rows of battery slots that penetrate up and down. The lower part is composed of several parallel narrow beams with rectangular cross-sections. Composition, the narrow beams include multiple internal beams and two external beams, the two narrow beams on the lower part of the two side walls of each cell slot form two bosses, and the adjacent two narrow beams form a ventilation duct under the cell . In the present invention, the airflow enters the battery box through the air inlet on the side of the battery box shell, and through the traction force of the fan, the airflow can flow through the upper part, both sides and the bottom of the battery cell, and the heat generated by the battery cell is taken out of the battery box, greatly improving ventilation and heat dissipation efficiency.

The invention provides a heat dissipation device and a heat dissipation method for a vehicle-mounted liquid cooling system. The heat dissipation device comprises a liquid tank (2), a top cover (1) covering the upper surface of the liquid tank, and a bellows located below the liquid tank. The liquid tank is used to communicate with the circulation pipeline of the cooling liquid. The top cover and the upper surface of the liquid tank together form a traveling air channel for the traveling air of the vehicle to pass through. A plurality of first heat dissipation plates parallel to each other are arranged along the extending direction of the running air channel. The bellows is provided with a plurality of mutually parallel second radiating plates connected to the lower surface of the liquid tank, the second radiating plates are arranged in a direction perpendicular to the first radiating plates, the air inlet of the bellows is located on the bottom surface, and the air outlet is located in the A fan (3) is arranged at the air outlet on the side corresponding to the end of the heat dissipation plate. Using the heat dissipation device provided by the invention can reduce the degree of dependence on the heat dissipation fan, help reduce energy consumption and avoid excessive noise of the fan.

The invention relates to the technical field of transformer substations, in particular to an efficient ventilation and cooling container transformer substation which comprises a container body, internal components and a circulating air outlet device. The internal components are symmetrically arranged on the two sides in the container body, and the circulating air outlet device is located between the internal components on the two sides. The circulating air outlet device is composed of a ventilation main pipe, a ventilation fence, an air control plate, a fence shell, a discharge plate, a transmission lead screw, an air disc, a reversing impeller and a reverser, square bosses are arranged on the two sides of the ventilation main pipe, through limiting grooves and air inlet grooves are sequentially formed in the surfaces of the square bosses from top to bottom, an air inlet is formed in one end of the ventilation main pipe, and the ventilation fence is arranged on one side of each square boss. According to the invention, the plurality of air outlet heads are arranged, so that each air outlet head can discharge air in a circulating manner, the heat of each component in the container can be efficiently dissipated, and the ventilation and heat dissipation efficiency is greatly improved.

The invention provides a human resources management server for electric power ERP, which comprises a box body, a box door and an air cylinder, the air cylinder is welded on the outer side of the box door, outer cylinders are welded on two sides of the box body, lining plates are welded on the inner sides of the box body and the box door, a server is installed on the inner sides of the lining plates, fire extinguishers are clamped on the outer side of the lining plates, and the fire extinguishers are welded on the outer side of the box door. Valves are clamped to the top and the bottom of the fire extinguishers, clamping pins are clamped to one sides of the valves, a movable plate is clamped to the inner side of the outer cylinder, and a connecting rope is connected to the movable plate. According to the human resources management server for the electric power ERP, speed of airflow blown to the server through a blowing opening can be guaranteed, the cooling efficiency of the server is guaranteed. Working safety of the server is guaranteed, the ventilation cooling efficiency is improved for heating components, the cooling efficiency of the server is guaranteed, ventilation energy consumption is reduced, the server is prevented from being burnt out, the safety of the server and data in the server is guaranteed, and the invention is suitable for human resource management of the electric power ERP.