15results about How to "Increase cooling surface" patented technology

The invention relates to the technical field of power distribution units, and discloses an intelligent elastic power distribution unit device of a liquid-cooled high-power server and a method thereof, and the device comprises a cabinet which is internally provided with a power distribution module and a plurality of server hosts; the heat dissipation assembly is used for dissipating heat of the plurality of server hosts; the dust cleaning assembly is used for cleaning dust on the heat dissipation assembly; the moisture-proof assembly is used for keeping the dryness in the cabinet; the heat dissipation assembly comprises a water tank. Through the arrangement of the heat dissipation assembly, the plurality of cooling pipes can enlarge the heat dissipation surface of cooling liquid, the three heat dissipation fans can accelerate the dissipation of heat in the plurality of cooling pipes through the air cooling effect, hot air can be discharged out of the cabinet in time, the accumulation of more heat in the cabinet is avoided, and the three heat dissipation fans can move up and down, so that the heat dissipation efficiency is improved. Therefore, air in the cabinet flows more uniformly, and the situation that hot air in local positions cannot be discharged out of the cabinet body in time is avoided, so that the heat dissipation effect of a plurality of server hosts is ensured.

The invention discloses a transformer, a converter and a leakage inductance adjusting method, the transformer comprises a winding and a magnetic core, the magnetic core is provided with an air gap used for generating a leakage magnetic field, and the winding is close to or partially covers the air gap, so that leakage magnetic flux in the leakage magnetic field generated by the air gap partially enters the winding. According to the transformer, a thin magnetic sheet used for generating leakage inductance in a traditional method is abandoned, so that the mechanical strength of the transformer is enhanced, and meanwhile accurate control over the leakage inductance is achieved through the ratio of the number of turns of high and low coupling windings to the total number of turns; the air gap position of the transformer is reasonably arranged to ensure that the temperature of the winding is not too high while a leakage magnetic field is shielded.

The LED car lamp comprises a circuit board and a radiator, one side of the circuit board is fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly connected with an LED lamp, the upper end of the mounting plate is uniformly and fixedly connected with a heat conducting plate, the mounting plate is in threaded connection with a lampshade on the outer side of the heat conducting plate, and one side of the lampshade is in contact with an annular radiating flat copper pipe. An annular heat dissipation flat copper pipe is installed on one side of the circuit board, the annular heat dissipation flat copper pipe is of a wave-shaped structure, round copper pipes are fixedly connected to the two sides of the circuit board, a fan is rotationally connected to the bottom side of the installation plate, a clamping sleeve is connected to one side of the circuit board in a sleeving mode, a through hole is formed in the clamping sleeve, a spring ejector pin is inserted into the through hole, and the end of the spring ejector pin makes contact with the circuit board. And the asbestos is used for blocking, airflow guided to the radiator by the fan is prevented from passing through the circuit board, uneven conduction of hot airflow is avoided, meanwhile, the annular radiating flat copper pipe and the circular copper pipe are used for radiating the automobile lamp, the radiating surface can be increased, and the radiating effect is improved.

The invention particularly relates to an ice maker which comprises an inner container, an ice maker body, a heating device, a heating device and a control device, wherein a refrigeration cavity of the ice maker is formed in the inner container; the refrigerating system comprises an evaporator and a condenser, the evaporator is arranged to be in thermal contact with the inner container and used for refrigerating the refrigerating cavity, and the condenser and the inner container are distributed in a spaced mode; and the cooling system is arranged to be capable of communicating with the refrigeration cavity and the condenser and is used for introducing part of cold air in the refrigeration cavity into the condenser and carrying out heat dissipation on the condenser. According to the ice maker, the condenser is cooled through cold air in the inner container, the cooling burden of the condenser is relieved, the problem that the size of the condenser of the ice maker is too large is effectively solved, the overall size and size of the ice maker are reduced, the overall cost of the ice maker is reduced, and the market competitiveness of the ice maker is improved; meanwhile, cold air in the inner container is used for cooling the condenser, so that the ice-making performance and the energy efficiency ratio of the ice maker can be improved, and the service life of the ice maker can be prolonged.

The utility model belongs to the technical field of energy storage batteries, and particularly relates to an air-cooled battery pack for energy storage, which comprises a battery pack body, the battery pack body comprises a bottom support frame, a mounting plate is arranged at the front end of the bottom support frame, and a front panel is arranged at the front end of the mounting plate. Two groups of battery modules which are arranged side by side are arranged above the bottom support frame, an upper cover plate is arranged above the battery modules, and a first air duct is arranged between every two adjacent battery modules; and a second air duct and a third air duct are arranged between the outer sides of the two battery modules and the plane where the outer wall of the bottom support frame is located from left to right, a fire-fighting agent spray head is arranged on the portion, located above the air inlet, of the mounting plate, and a fire-fighting pipeline is arranged on the outer side of the fire-fighting agent spray head. The air cooling device is reasonable in design and simple in structure, the air cooling effect of equipment is improved, the overall structural weight of the battery pack is reduced, the energy efficiency is improved, and the use requirements are met.

The invention discloses a single battery and a battery pack, and belongs to the technical field of power batteries, the single battery comprises a battery body, a first shell and a first hollow part, the battery body has a first direction, a second direction and a third direction which are intersected with one another, and the first shell covers the battery body; the first hollow part penetrates through the battery body and the first shell along a first direction and is connected with the first shell; the first hollow part comprises two first connecting plates and two second connecting plates; the two first connecting plates and the two second connecting plates in the first hollow part are connected end to end at intervals to form a frame-shaped structure, and the frame-shaped structure penetrates through the battery body and the first shell and is connected with the first shell to form a concentric-square-shaped structure for accommodating the battery body. The rectangular-ambulatory-plane structure is matched with the cooling plate, so that the two first connecting plates can be cooled by the single cooling plate, the heat dissipation area of the single battery is increased, and the cooling effect is improved.

The invention relates to the technical field of robots, in particular to an efficient cooling system and method for a robot, and the system comprises a robot shell, a circulating cooling device, a fan and an external controller. The circulating heat dissipation device comprises a water cooling disc, a water pump and a water tank, the water cooling disc is embedded in the bottom of the robot shell, the two ends of the water pump are connected with the water cooling disc and the water tank respectively, the fan is arranged on the side face of the water cooling disc, and the external controller is electrically connected with the fan and the water pump. The water cooling disc comprises a center hole, a plurality of radial holes, eccentric vertical holes and spiral holes, the center hole is communicated with the radial holes, and the radial holes are communicated with the spiral holes through the eccentric vertical holes. The device has the advantages of high heat dissipation efficiency, good dustproof and waterproof effects, convenience in maintenance, low cost and the like, has good economic benefits, and is worthy of large-scale popularization.

The invention discloses a three-dimensional flow channel heat dissipation device for a high-power small module, which comprises a heat dissipation cavity heat sink and a heat dissipation flow channel arranged in the heat dissipation cavity heat sink, and the heat dissipation flow channel is distributed in a three-dimensional heat dissipation area of the heat dissipation cavity heat sink in a series-parallel mixed connection mode. The cooling medium in all the heat dissipation flow channels enters and exits through the same inlet and outlet, and the flow length of the cooling medium flowing through each flow line in the heat dissipation flow channels is uniform and consistent; a traditional plane flow channel is expanded into a three-dimensional flow channel to form a plurality of three-dimensional heat dissipation areas, so that the heat dissipation surface of equipment is increased, the heat dissipation space utilization rate of the equipment is improved, the flow length of each flow line in the heat dissipation flow channel from an inlet to an outlet is uniform and consistent, the flow resistance of each flow is consistent, and the heat dissipation efficiency of the equipment is improved. And uniform heat dissipation efficiency of all heat dissipation surfaces is ensured.

The invention relates to the technical field of bearings, in particular to a deep groove ball bearing with an improved structure, which comprises an outer ring and an inner ring, a cage type retainer is adaptively mounted between the outer ring and the inner ring, the cage type retainer is provided with a plurality of special-shaped mounting holes, and rolling bodies are arranged in the special-shaped mounting holes and used for separating and guiding the rolling bodies to roll at correct positions in the bearing. The deep groove ball bearing comprises an annular ring body and special-shaped mounting holes, the special-shaped mounting holes are evenly formed in the middle of the circumferential face of the annular ring body, annular baffles are arranged on the two sides of a body of the annular ring body, the annular baffles are clamped in clamping grooves of an outer ring and an inner ring respectively, and dustproof covers are arranged in the clamping grooves and located on the outer sides of the annular baffles. The guide surface is lubricated when the rolling body rotates and is lubricated, and heat can be effectively dissipated; the annular baffle can keep lubricating oil on the inner side of the cage type retainer, leakage of the lubricating oil is prevented, it is guaranteed that the bearing is continuously lubricated in the running process, the lubricating effect of the deep groove ball bearing is improved, and the service life of the deep groove ball bearing is prolonged.

The present invention relates to a public platform double fluid circuit system, belonging to the technical field of composite material main load-bearing structure forming process; it comprises a first fluid circuit system and a second fluid circuit system; wherein the first fluid circuit system comprises a first pump valve assembly, a first fluid circuit heat pipe, a first deployable heat radiator, a first upper horizontal plate pre-buried heat pipe and a first lower horizontal plate pre-buried heat pipe; the second fluid circuit system comprises a second pump valve assembly, a second fluid circuit heat pipe, a second deployable heat radiator, a second upper horizontal plate pre-buried heat pipe and a second lower horizontal plate pre-buried heat pipe; the layout position of the double fluid circuit system of the present invention in a satellite payload cabin is symmetrical along the horizontal direction of the satellite, and the satellite internal weight changes and torque changes caused by the unidirectional flow of the working fluid in the pipeline are offset each other.

The invention discloses a vacuum pump set of a foundation pit deep well dewatering zone gas-water separator. The vacuum pump set comprises a separator body, a mechanical vacuum pump, a water pump, a vacuum pump water tank and an electric control cabinet. The separator body is arranged for the mechanical vacuum pump, water-gas separation is achieved, water-gas mixture entering the mechanical vacuum pump is reduced, mechanical abrasion is reduced, heating of the vacuum pump is restrained, and the service life is prolonged; the separator body has the functions of water-gas separation, cavity division and pressure balance conversion by dividing each cavity in the separator body, arranging the valves and applying the PLC to control the valves, so that the separator body has the functions of water-gas separation, cavity division and pressure balance conversion, drainage of a water pump is facilitated, the situation that an existing separation device is difficult to drain water is improved, and the separation efficiency is improved. The advantage of high water pumping efficiency of the mechanical vacuum pump is brought into full play, and continuous work of the mechanical vacuum pump is not affected by water-gas separation in a drainage link.

The present application relates to cable technical field, and disclose a kind of flame-retardant polyethylene cable, including multiple conductors, further comprising: multiple conductors are mutually fixed by filling block, and multiple circumferentially uniform distribution material reduction grooves are arranged in the outer wall of filling block;Fixedly connected with the inner sheath of filling block outer wall, the outer sheath is connected with the outer sheath of inner sheath outer wall, and annular structure storage groove is arranged between the inner sheath outer wall and the outer sheath inner wall, and the outer sheath is fixedly connected with the inner sheath by compression ring, and the storage groove is separated into multiple independent chambers along the conductor axis direction by compression ring;The present application can reduce the material between adjacent threading holes by material reduction groove, reduce the accumulation of heat in filling block, and the filling rope is placed in material reduction groove, can absorb the heat generated by local overload, delay temperature rise, improve short-time current carrying capacity, store flame-retardant gas in chamber, when flame burns chamber, carbon dioxide stored in the interior can be ejected from the flame of break, so as to inhibit combustion and reduce flame propagation ability.

The utility model provides a kind of hollow large current inductance and PCB circuit board, this hollow large current inductance includes base, magnetic core and coil, the magnetic core includes shell and magnetic column, the coil is wound the magnetic column and the shell surrounds the coil, the base includes installation platform and support column, the installation platform is used to install the shell, the support column is used to support the installation platform to make the installation platform overhang.This PCB circuit board includes PCB board and hollow large current inductance.Because shell is installed on installation platform, support column supports installation platform again, magnetic core and coil are all overhung, increase a heat dissipation surface.Finally realize the purpose of improving large current inductance heat dissipation efficiency.Embodiment of the utility model in PCB circuit board can realize a kind of PCB circuit board that can consider heat dissipation and improve electronic component integrated density.

The utility model relates to the technical field of transformers, in particular to an iron core structure for an oil-immersed transformer and the oil-immersed transformer, the iron core structure comprises silicon steel sheets, the silicon steel sheets are horizontally overlapped to form an iron core, the cross section of the iron core comprises a first arc line, a second arc line, a third arc line and a fourth arc line, the first arc line, the second arc line, the third arc line and the fourth arc line are closed to form a ring, the first arc line and the third arc line are of a symmetrical structure, the second arc line and the fourth arc line are of a symmetrical structure, the radius ratio of the first arc line to the second arc line is 0.236-0.275, and the arc length ratio of the first arc line to the second arc line is 1.621-1.679. By controlling the ratio of the long axis to the short axis and using the seven-stage multi-stage inclined lap joints, the loss of the transformer is superior to that of a common structure by more than 2%, the noise is reduced by more than 3dB, and the no-load current is reduced by more than 5%. During assembly, the whole iron core is pressed by uniform pressure, and the transformer iron core cannot be loosened due to vibration of transportation and operation.

This utility model discloses an evaporation and concentration device for preparing inorganic salts, including a reaction vessel, a stirring device, spiral evaporation blades, a rotary evaporator, a circulation pipe, a circulation pump, and a heat exchanger. The stirring device is disposed inside the reaction vessel, and the rotary evaporator is connected to the stirring device. The spiral evaporation blades are connected to the inner wall of the reaction vessel and cooperate with the rotary evaporator. The two ends of the circulation pipe are connected to the bottom of the reaction vessel and the rotary evaporator, respectively. The circulation pump and the heat exchanger are connected to the circulation pipe. This evaporation and concentration device for preparing inorganic salts has a simple structure and is convenient and practical. The reaction liquid is introduced into the annular overflow channel of the rotary evaporator through the circulation pipe, so that the reaction liquid overflows into the annular disk and spreads quickly, thereby increasing the heat dissipation surface and improving the concentration speed.