71results about How to "Realize circulating cooling" patented technology

The invention relates to a cooling structure of a permanent magnet motor, in particular to a fully-sealed forced air ventilating cooling structure of the permanent magnet motor, which solves the problems of poor cooling property and limited application range of the existing permanent magnet motor. The fully-sealed forced air ventilating cooling structure of the permanent magnet motor comprises a machine base, a front end cap, a back end cap, a front bearing, a back bearing, a stator structure and a rotor structure; a radial air inlet hole, a third air ventilating gap, an axial air ventilating hole, a first air ventilating gap and a radial air outlet hole form a main cooling air path structure; an axial front air inlet hole, a second air ventilating gap and an axial front air outlet hole form a front auxiliary cooling air path structure; an axial back air inlet hole, a fourth air ventilating gap and an axial back air outlet hole form a back auxiliary cooling air path structure; front fan blades are fixedly arranged at the front end surface of a rotor iron core; back fan blades are fixedly arranged at the back end surface of the rotor iron core. The fully-sealed forced air ventilating cooling structure is suitable for the permanent magnet motor.

The invention provides a high-speed main shaft cooling device and belongs to the technical field of machinery. The problem that an existing main shaft cooling device is bad in cooling effect is solved. The high-speed main shaft cooling device comprises an inner barrel and an outer barrel which is sleeved on the outer side of the inner barrel. A cooling channel for Freon to flow through is formed between the outer side wall of the inner barrel and the inner side wall of the outer barrel. The cooling channel comprises an inlet and an outlet. A semiconductor cooling piece is arranged between the inner barrel and the outer barrel. A cold face of the semiconductor cooling piece is attached with the outer wall of the inner barrel. A hot face of the semiconductor cooling piece is placed in the cooling channel. The high-speed main shaft cooling device has the advantages that cooling effect is good, so that a high-speed main shaft is long in service life.

The invention relates to a compact lubricant cooler. It includes the oil room, water room which the side is welded with the in/out oil mouth and in/out mouth. The character is in that: it also includes the cooler body which is welded by many layers of water channel and oil channel and welded with the cooler main body. The invention is used to cool the lubricant in gear-box and engine which has the separately water and oil channel. The structure is compact and the process is simple.

The invention relates to a permanent magnetism motor and concretely relates to a permanent magnetism traction motor for subway. The problems of poor cooling performance, a limited range of application, poor operational reliability, a complex structure and a large column of a present permanent magnetism motor are solved. The permanent magnetism traction motor for subway comprises a front end cover, a back end cover, a front bearing, a back bearing, a front bearing cover, a back outer bearing cover, a stator structure, and a rotor structure. The rotor structure comprises a rotation shaft, a rotor iron core, a front rotor clamping ring, a back rotor clamping ring, a circular nut, a front permanent magnet baffle plate, a back permanent magnet baffle plate, a front permanent magnet baffle plate clamping ring, and a back permanent magnet baffle plate clamping ring. A main cooling air path structure is formed by an axial direction air inlet, an axial direction air vent, an axial direction exhaust vent. An auxiliary cooling air path structure is formed by a ventilation chamber. A leading-out wire, horizontal heat radiating ribs are a rotary transformer are also comprised. The invention is suitable for a subway driving system.

The utility model relates to a pole piece back groove type circulating cooling magnetic liquid sealing device, which belongs to the field of mechanical engineering sealing. The problems of short service life and reduced sealing performance of the existing magnetic liquid sealing device under the conditions of large diameter, high rotational speed and high ambient temperature are solved. In the device, the outer surface of the pole shoe is provided with back grooves for circulating cooling liquid, which are alternately arranged with the back teeth, which can increase the contact area between the pole shoe and the cooling liquid and improve the cooling efficiency; the back teeth are opposite to the pole teeth, and the back grooves and The tooth slots are opposite to each other, which does not affect the formation of the magnetic circuit and ensures the pressure resistance of the sealing device; the radial distance d between the back slot and the tooth slot is 0.5-1mm, and the cooling efficiency is high; It is opposite to the back slot on the pole piece; the round holes are distributed diagonally in the rectangular slot on the surface of the magnetic guide sleeve, and the number is equal to the number of the back slot on the pole piece. This design does not affect the formation of the magnetic circuit, and can ensure that every There is fluid coolant in each pole shoe back groove, and the cooling efficiency is high.

The invention relates to a water-cooling cabinet for a server. The water-cooling cabinet comprises a cabinet body, a server and a cooling system, wherein the server and the cooling system are arrangedin the cabinet body, the cooling system comprises a water storage pool, a first transmission pump, a cooling pipeline, a cooling chamber and a semiconductor refrigerating sheet, the water storage pool is fixedly arranged at the bottom of the cabinet body, a first water inlet of the water storage pool is connected with a water source by a first valve, a water outlet of the water storage pool is connected with a water inlet of the cooling pipeline by the first transmission pump, the cooling pipe is arranged at an outer side of the server, a water outlet of the cooling pipeline is connected witha water inlet of the cooling chamber, a semiconductor refrigerating sheet installation hole is formed in a side wall of the cooling chamber, a heat absorption surface of the semiconductor refrigerating sheet faces the interior of the cooling chamber, a heat dissipation surface of the semiconductor refrigerating sheet faces the exterior of the cooling chamber, the cooling chamber is arranged abovethe water storage pool, and a water outlet of the cooling chamber communicates with a second water inlet of the water storage pool.

The invention discloses a two-phase immersion type liquid cooling device. The two-phase immersion type liquid cooling device comprises a refrigerating tank, a heating element and a condenser, whereinthe refrigerating tank is used for containing a refrigerant, the heating element is immersed in the refrigerant, and the condenser is fixedly arranged on the inner side of the refrigerating tank; a liquid phase area is arranged at the lower part of the refrigerating tank, a gas phase area is arranged at the upper part of the refrigerating tank, the gas phase area is in communication with an inletof the condenser, and an outlet of the condenser is in communication with the liquid phase area; and an outer cooling system is further arranged outside the condenser, the outer cooling system is further connected with a water supply pipeline and a water return pipeline, and heat exchange is carried out on the condenser through the water supply pipeline and the water return pipeline in the outer cooling system. According to the device, by means of the mode, the heating element is immersed in the refrigerant, a coolant phase change principle is utilized to realize the circulation cooling of theheating element, the capacity of a heat exchange system is high, and the temperature uniformity and the allowable maximum heat flux density of the heating element can be effectively improved.

The invention relates to the field of lamps, in particular to a solar street lamp. The solar street lamp comprises a lamp rod, a light source, a storage battery, a main controller and a solar panel; the light source is mounted on the top of the lamp rod; the main controller controls the solar panel to supply power to the storage battery and controls the storage battery to supply power to the light source correspondingly; the solar panel is in a spherical shape and further comprises a lens panel which is in a spherical shape; the lens panel is located on the solar panel; the edge of the lens panel is fixedly connected with the edge of the solar panel; a plurality of lens holes are formed in the lens panel; a convex lens is mounted in each lens hole; and the distance between each convex lens and the solar panel is less than the focal length of the convex lens. According to the solar street lamp, by means of the condensing effect of the convex lenses, the lens panel and the solar panel are arranged in the spherical shape, so that vertical collecting is realized no matter which angle sunlight shines from, and the utilization ratio of sunlight is improved.

The invention relates to the technical field of extruding machines, in particular to an integrated cooling type tin bar extruding machine. The integrated cooling type tin bar extruding machine comprises an extruding machine body, and the extruding machine body comprises a working table plate, extruded materials, a processor and two electromagnetic valves, wherein a water receiving box is fixedly arranged on one side of the working table plate, a cooling box is arranged on one side of the water receiving box, and L-shaped connecting frames are fixedly arranged on the two sides, away from each other, of the cooling box correspondingly; one side of each L-shaped connecting frame is fixedly connected with one side of the water receiving box, a plurality of cooling holes are formed in one side of the cooling box, and cooling pipes are fixedly arranged on the inner sides of the cooling holes correspondingly. According to the integrated cooling type tin bar extruding machine, through the arrangement of the water receiving box, the cooling box, the cooling pipes, a water pump, a water tank, a cooling device, a cutting base, a tool apron, a hydraulic cylinder, a cutting tool, an L-shaped sliding frame, a touch switch, a spring, a U-shaped frame, a guide damping device, a U-shaped sliding frame and an automatic reset device, the integrated cooling type tin bar extruding machine has the functions of rapid cooling, circulating cooling, automatic slitting, length adjustment, continuous slitting and the like.

The invention provides an electromagnetic adjustable vibration damper, and belongs to the technical field of vibration dampers. The electromagnetic adjustable vibration damper comprises a cylinder body, a first piston device and a second piston device; the first piston device and the second piston device each comprises a piston head and a piston rod; one end of the cylinder body is provided with afirst through hole, and the other end of the cylinder body is provided with a second through hole; one end of the first piston device is internally provided with a first electromagnetic coil; one endof the second piston device is internally provided with a second electromagnetic coil, and the middle of the second piston device is sleeved with a spring; the interior of the first piston device andthe interior of the second piston device are both provided with adjusting systems for controlling the magnitude of currents of the first electromagnetic coil and the second electromagnetic coil; theadjusting systems are electrically connected with the first electromagnetic coil and the second electromagnetic coil; and vibration damper strength control is achieved, the elongation of the vibrationdamper is controllable, and the very good practicality is achieved.

The invention provides an integrated cooling system for fully mechanized mining faces. The integrated cooling system comprises a cooling liquid box for containing cooling liquid, a cooling pipeline, a cooling pump and a return pipeline. One end of the cooling pipeline extends into liquid in the cooling liquid box, the cooling pipeline is connected with the cooling pump, the other end of the cooling pipeline is connected to cooling liquid input ends of different to-be-cooled fully mechanized mining face devices, the cooling pump is used for pumping the cooling liquid into the cooling pipeline so as to cool the different to-be-cooled fully mechanized mining face devices, one end of the return pipeline is connected to cooling liquid outlet ends of the different to-be-cooled fully mechanized mining face devices, and the other end of the return pipeline is communicated with the cooling liquid box. According to the technical scheme, circulatory cooling is realized, water is saved, environment cleanness of mining faces is guaranteed, drainage of the mining faces is reduced, and purposes of saving energy, reducing emission and protecting the devices are achieved.

The invention discloses a machine heat dissipation system using natural water. The system comprises a first pipeline, a second pipeline, a third pipeline, a control unit, and a heat dissipation watertank of a to-be-dissipated machine; the heat dissipation water tank comprises a heat dissipation outlet and a heat dissipation inlet; the first pipeline comprises a first water pump and an ice water unit; the ice water unit is provided with a connected first water inlet and a first water outlet and a connected second water outlet and a second water inlet; the heat dissipation outlet is sequentially connected with the first water pump, the first water inlet, the first water outlet and the heat dissipation outlet; the second pipeline comprises the ice water unit, a cooling tower and a second water pump; the second water outlet is sequentially connected with the cooling water tower, the second water pump and the second water inlet; the third pipeline comprises the cooling water tower and a third water pump; the heat dissipation outlet is sequentially connected with the cooling water tower, the third water pump and the heat dissipation inlet; and the control unit controls the on and off ofthe first pipeline, the second pipeline and the third pipeline. According to the system, two modes of water cooling and heat dissipation for a machine can be realized, the heat dissipation energy consumption is effectively reduced.

The invention provides a water pump cooling device for a thermal power plant. According to the water pump cooling device for the thermal power plant, cooling water is injected into the pump sleeve, acooling water circulation system is formed by the pump sleeve, a water outlet pipe, a water inlet pipe, a driving box, a heat dissipation box and a heat dissipation water pipe, a driving motor drivesa driving wheel to rotate, and then the meshing effect of first teeth and second teeth is utilized, so that the cooling water sequentially passes through the water outlet pipe, the driving box, the heat dissipation box, the heat dissipation water pipe and the water inlet pipe from the pump sleeve and flows back into the pump sleeve, and cooling water circulation is completed; and in addition, thedriving motor drives a heat dissipation fan to rotate to achieve air cooling and heat dissipation of the water pump. The device can cool the water pump for the thermal power plant, and has the characteristics of long-distance heat dissipation, small cooling water flow, convenience in keeping the temperature of the water pump, easiness in disassembly and assembly and easiness in transportation.

The invention belongs to the field of hypersonic wind tunnel test equipment, and discloses a cooling water distribution device for a high-Mach-number spray pipe of a conventional hypersonic wind tunnel. The distribution device adopts a set of high-pressure cooling water supply system, realizes the distribution of cooling water pressure and flow through the inlet water distributor and the inlet water flow adjusting throat, not only meets the requirements of cooling water in the nozzle throat section water channel on medium-high pressure and high flow speed, but also meets the requirements of cooling water in the nozzle diffusion section water channel on low pressure, low flow speed and high flow speed. And the requirement that cooling water flows in the interlayer is met. The distribution device meets different requirements of high-pressure cooling of a throat section and low-pressure cooling of a diffusion section of a high-Mach-number spray pipe of a conventional hypersonic wind tunnel, the complexity of a cooling water supply system of the high-Mach-number spray pipe is simplified, the simplicity and convenience of operation and maintenance are improved, and the development cost is reduced. And the device can be popularized and applied to equipment needing cooling of different pressure grades at similar different positions.

The invention discloses a high-precision straightening machine for steel pipe machining, and belongs to the technical field of steel pipe straightening. The high-precision straightening machine comprises a machine shell. A supporting plate is arranged inside the machine shell. A plurality of slave straightening wheels are arranged at the lower surface of the supporting plate. The upper surface ofthe supporting plate is movably connected with the bottom ends of two connecting rods through two pin shafts. The top ends of the connecting rods are movably connected with the lower surface of a threaded cap through pin shafts. The threaded cap is in threaded connection with the outer surface of a threaded rod. According to the high-precision straightening machine for steel pipe machining, by arranging a water collection box, a circulation cooling pump, an atomization spray pipe, the slave straightening wheels and the machine shell, the circulation cooling pump works, heat exchange treatmentis performed on water, water is cooled to a certain degree, the cooling effect is not likely to be affected by water temperature, and the purpose of circular cooling is achieved, the straightening machine is not likely to deform a main straightening wheel and the slave straightening wheels when working for a long time, the steel pipe straightening precision is improved, and the service life of themain straightening wheel and the slave straightening wheels are further ensured.