161results about How to "Increase cooling surface" patented technology

Provided is a direct current air temperature adjusting device based on composite graphene film auxiliary heat. An outdoor machine unit only has a one-way refrigerating mode; an air conditioner outdoormachine communicates with an indoor machine unit through a refrigerant pipe; according to the air conditioner indoor machine unit, the upper end of a machine shell of the air conditioner indoor machine unit is provided with an air inlet, and the two ends of the machine shell of the air conditioner indoor machine unit are provided with clamping pieces to be fixedly connected with an evaporator; the evaporator is located on the lower portion of the air inlet; an inlet and an outlet of the refrigerant pipe of the evaporator are connected with an outdoor machine condenser; a copper pipe of the evaporator is provided with a composite graphene heating film; the lower portion of the evaporator is equipped with a cross flow fan which is installed in an air duct; the inner wall of the air duct isprovided with a composite graphene heating film; blades of fan blades of the cross flow fan are equipped with composite graphene heating films; and during heating of an air conditioner, a composite graphene heating film circuit is connected, the composite graphene heating films start heating, and a fan motor feeds hot air in the air duct into a room due to the fact that the motor drives the fan blades to rotate.

The invention discloses a Faraday rotator suitable for a high-power opto-isolator. The Faraday rotator comprises a thermal compensation crystal, a half-wave plate, an iron ring, a first magnetic rotation crystal, a second magnetic rotation crystal, a first magnet and a second magnet. The first magnetic rotation crystal, the thermal compensation crystal, the half-wave plate and the second magnetic rotation crystal are laid out in the forward sequence of a Z axis, the iron ring is connected to the outside of the thermal compensation crystal and the outside of the half-wave plate in a sleeved mode, the first magnet is connected to the outside of the first magnetic rotation crystal in a sleeved mode, and the second magnet is connected to the outside of the second magnetic rotation crystal in a sleeved mode. When used for the opto-isolator, the Faraday rotator enables the opto-isolator to meet the requirement for high power of hundreds of watts and improves isolation degrees by at least 3dB.

The invention discloses an integrated tile active phased-array antenna. The antenna comprises an array antenna layer, a heat dissipation cavity, a radio frequency layer, a transition layer, a power supply and control layer and a cover plate layer. A plurality of first slots are formed in one side, close to the transition layer, of the radio frequency layer, first radio frequency chips are arrangedin the first slots, a plurality of second slots are formed in one side, close to the transition layer, of the power supply and control layer, and second radio frequency chips are arranged therein; acontrol device is arranged on one side, close to the cover plate layer, of the power supply and control layer and used for power supply and signal control; the transition layer plays a role in radio frequency signal transition and radio frequency isolation; the array antenna layer is electrically connected with the radio frequency layer at high frequency through a first radio frequency connectionstructure arranged on the heat dissipation cavity; the radio frequency layer is electrically connected with the power supply and the control layer at high frequency through a second radio frequency connection structure arranged on the transition layer; the cover plate layer is electrically connected with the power supply and control layer. According to the antenna, the multi-channel, multi-polarization or multi-frequency multifunctional high-integration integrated design is achieved, the overall size is small, the weight is light, and the thickness is small.

According to an aspect of the present invention, there is provided a power tool including: a housing having a suction port formed thereon to introduce an cooling air from an outside of the housing; and a brushless motor that is housed in the housing and has an electric circuit, the electric circuit having a heat radiating surface, wherein the heat radiating surface is disposed in a neighborhood of the suction port.

An arrangement is provided for supplying oil to a brake arranged for braking an output shaft of a planetary gear. The arrangement includes a rotatable impeller for supplying oil to the brake and the impeller is arranged to be rotated by an input shaft of the planetary gear.

The invention relates to a disk permanent magnet composite brushless motor. The motor comprises a stator (1), a winding (2), a static magnet adjusting ring (3), a magnet gear outer rotor (4), a rotor yoke iron core (5) and a permanent magnet (6), wherein the magnet gear outer rotor (4) is integrated with an enclosure; the permanent magnet (6) is uniformly embedded on the rotor yoke iron core (5) along a circumferential direction; the stator (1) has a disk slotting structure; the winding (2) is embedded in a stator slot; and the static magnet adjusting ring (3) has a disk structure and is arranged between the magnet gear outer rotor (4) and the stator (1). In the motor, an inner rotor is saved on the basis of the conventional magnet gear structure, so processing technology is simplified, permanent magnet materials are saved and larger vibration and noise which are produced by the inner rotor are also eliminated simultaneously.

A method for controlling pores of a spongy molding comprising a water-soluble polymeric material, which comprises a prefreezing step characterized in that a solution or a gel of the water-soluble material is prefreezed by cooling an interfacial side of the solution or the gel and air layer to induce a temperature slope in parallel with a direction of thickness within the solution or the gel, and a step of lyophilizing a solution or a gel of the water-soluble material prefreezed in according to the prefreezing step. Using the method for controlling pores, a spongy molding having a porous form enabling easily physical connection with the outside and the inside of sponge.

Power LEDs are implanted in a specially designed printed circuit board (PCB) that is known in the art as a Metal Core Printed Circuit Board (MCPCB). The MCPCB is bended over to so as to have rounded corners having a radius that is not smaller than a determined value depending of the overall thickness of the MCPCB and other factors without any negative effects on the insulating layer and copper traces in the area of bending. In this manner, the surface area of the heat sink used in an LED nail care curing appliance is increased. The MCPCB with installed LEDs with rounded corners thereby follows the natural curvature (based on the shape of a human hand) of the appliance housing, eliminating the need for additional heat sinks or fans to reduce the heat generated by the LEDs.

The present application provides a turbine bucket. The turbine bucket may include an airfoil and a tip shroud attached to the airfoil. The tip shroud may include a cooling core and an enhanced cooling surface.

The present invention is to provide a heat dissipation housing for an LED lamp, which is made as a one-piece member by metal casting and formed with a receiving channel axially passing therethrough. A plurality of cooling fins axially are formed on an outer surface of the housing, wherein each said cooling fin is radially extended out of the housing and formed therein with a plurality of heat dissipation holes, and has two opposite sides with an included angle defined therebetween. Therefore, when an LED lamp installed on an end of the receiving channel starts to emit light, heat exchange between the LED lamp and the ambient cooling air outside the housing can be carried out through the cooling fins and the heat dissipation holes by both of thermal conduction and thermal convection, so as to effectively enhance the heat dissipation efficiency of the housing for the LED lamp.

The invention discloses an electric connector. The electric connector comprises an insulation body and a plurality of conductive terminals. The insulation body comprises a base portion and a tongue plate extending forwards from the base portion. The conductive terminals include a row of upper terminals and a row of lower terminals. Each upper terminal comprises an upper fixing portion embedded into the insulation body, an upper contact portion exposed out of the upper surface of the tongue plate and an upper welding portion extending out of the base portion. Each lower terminal comprises a lower fixing portion embedded inside the insulation body, a lower contact portion exposed out of the lower surface of the tongue plate, and a lower welding portion extending out of the base portion. The electric connector further comprises a power supply terminal assembly piece. The power supply terminal assembly piece comprises four power supply contact portions exposed out of the upper and lower surfaces of the tongue plate, a slab portion connected with the four contact portions and a power supply welding portion extending out of the base portion. According to the electric connector, integration of the four power supply terminals can be achieved, and therefore a radiating surface can be increased.

The invention discloses a transformer with a grade-insulation structure, and the transformer comprise a low-voltage coil, a high-voltage coil, a shielding electrode, a grade-insulation structure and an iron core, wherein the low-voltage coil and the high-voltage coil are respectively arranged at the inner side and outer side of the grade-insulation structure, the iron core arranged at the inner side of the low-voltage coil is provided with a radiating folding screen, and a shield is arranged at the outlet electrode of the high-voltage coil to form the shielding electrode; and the grade-insulation structure comprises a first insulation layer, a second insulation layer, a third insulation layer, an angle ring, a fourth insulation layer, a fifth insulation layer and a sixth insulation layer which are arranged from inside to outside, and the angle ring stretches out of the low-voltage coil and the high-voltage coil. The transformer with the grade-insulation structure has the advantages that the material cost and energy consumption of the transformer are greatly reduced, the reliability of the product is improved, and the service life is prolonged.

Power LEDs are implanted in a specially designed printed circuit board (PCB) that is known in the art as a Metal Core Printed Circuit Board (MCPCB). The MCPCB is bended over to so as to have rounded corners having a radius that is not smaller than a determined value depending of the overall thickness of the MCPCB and other factors without any negative effects on the insulating layer and copper traces in the area of bending. In this manner, the surface area of the heat sink used in an LED nail care curing appliance is increased. The MCPCB with installed LEDs with rounded corners thereby follows the natural curvature (based on the shape of a human hand) of the appliance housing, eliminating the need for additional heat sinks or fans to reduce the heat generated by the LEDs.

The invention discloses an unmanned aerial vehicle energy supply platform of a multiple energy supply system and an operating method of the unmanned aerial vehicle energy supply platform. The unmannedaerial vehicle energy supply platform comprises a navigation mark platform, an energy collection module, an energy storage module, a wireless charging module, an unmanned aerial vehicle platform anda management system, wherein the energy collection module comprises a solar power generation module, a wind power generation module, a fuel cell module and a water flow energy power generation module;the unmanned aerial vehicle platform is arranged at the top of the navigation mark platform; the wireless charging module used for charging an unmanned aerial vehicle is arranged in the unmanned aerial vehicle platform; and a storage battery of the battery module is connected with the wireless charging module to provide charging service for the unmanned aerial vehicle. According to the unmanned aerial vehicle energy supply platform and the operating method, the construction cost of base stations and unmanned aerial vehicle mother ships can be reduced, and meanwhile, the problem of endurance of the unmanned aerial vehicle is effectively solved; the mode of solar energy-wind energy-water flow energy joint power supply is adopted, so that the problems of stability and capacity of the power supply to the navigation mark are solved; meanwhile, the applied thermal management design can obviously improve the environmental adaptability of the battery module; and by means of the operating method, the safe, reliable and efficient operation of the navigation mark platform is ensured.

The embodiment of the invention discloses a cylinder battery which comprises a shell 1, at least one hollow cylinder 2, at least two winding cores 3, upper conductor conflux and lower conductor conflux trays 4, upper cover and lower cover plates 5, cathode electrode and anode electrode columns 6 and liquid injecting holes 8; the electrode columns 6 penetrate through the cover plates 5; the cover plates 5 and the electrode columns 6 are separated by utilizing an insulation material; the cathode electrode and anode electrode column 6 are respectively fixedly connected with the conductor conflux trays 4 of a cathode and an anode; the sealable liquid injecting holes 8 are arranged on the cover plates 5; the hollow cylinder 2 is fixedly connected with the cover plates 5; the hollow cylinder 2 is sheathed in through holes 41 of the conductor conflux trays 4; the winding cores 3 are distributed around the hollow cylinder 2; each of the anode and the cathode of each winding core 3 is provided with a lug, and the lugs of the anode and the cathode of each winding core 3 are fixedly connected with the upper conductor conflux tray and the lower conductor conflux tray 4; the upper conductor conflux and lower conductor conflux trays 4 are respectively connected with the cover plates of the anode and the cathode of the battery; and the cover plates 5 of the anode and the cathode 5 are respectively and fixedly connected with the upper end and the lower end of the shell 1. The heat radiation performance and safety of the battery are improved.

The invention relates to a method of producing a plurality of portions of a precooked food wherein the food is initially cooked at temperatures above 80° C. and prepared, the food is then cooled in a cooling phase within a maximum time of 120 min passing through the temperature range of 55° C. to 8° C. to a final temperature in the range of 8° C. to 0° C., and stored for a few days at the final temperature. The food is poured into an agitator vessel (22) during the cooling phase wherein the food is simultaneously thoroughly mixed and cooled during the cooling phase by an agitator (01, 26) constructed as a heat exchanger according to the invention.

The present invention discloses a heat exchanger tube for a heating system, which is suitable for any kinds of heating systems mounted in doors. The heat exchanger tube comprises a tube body, in which a plurality of lobes are formed on an outside surface of the tube body around the peripheral of the tube body and a plurality of ribs are formed on an outside surface of the tube body along the length of the tube body. Each of the ribs is inclined with respect to the longitude axis of the tube body by an angle of about 15 degree. The advantages of the present invention are in that: 1. the ribs could increase the heat exchanging surface; 2. the lobes could increase the heat radiating surface; and 3. as the heat exchanger tube is made of aluminum or aluminum alloy, the heating medium would not be polluted by rust generated in iron tubes.

The invention relates to the field of aero-engine high-temperature alloy thin-wall precision casting, in particular to a high-temperature alloy thin-wall part tenon-and-mortise combined type pouring system and a manufacturing method. According to the specific scheme, measures that a special tenon-and-mortise combined type pouring system forming pouring gate is designed according to the actual condition of a casting, and a supporting effect is achieved in a manner that a wax mold is provided with a flow gate are taken, so that metallurgical defects such as looseness are reduced, and the yield of the casting is increased.

The invention discloses a latent heat type cooling system for an underground nuclear power station containment. The latent heat type cooling system for the underground nuclear power station containment comprises a surface pond positioned on the ground, and a containment and a condensation cavern which are positioned in underground rock stratum, wherein a rock mass modification layer arranged on the outer layer of the containment, an inspiration branch pipe is arranged at the upper part of the inner chamber of the containment, atomizing nozzles and dry and cold air shunt pipes are arranged at the lower part of the inner chamber of the containment, the atomizing nozzles are distributed on the side wall and the bottom of a pressure vessel, and the dry and cold air shunt pipes are positioned below the atomizing nozzles; a condensation heat regenerator is arranged inside the condensation cavern, the air inlet of the condensation heat regenerator is connected with the inspiration branch pipe, and an outlet is connected with the dry and cold air shunt pipes. According to the system provided by the invention, a cooling liquid is atomized to be tiny fog droplets, so that the contact surface between the cooling liquid and air is sharply increased, the heat exchange capability is enhanced, and the latent heat of evaporation of the tiny fog droplets is used for quickly and efficiently carrying away heat inside the containment. Moreover, the condensation heat regenerator inside the condensation cavern is used for condensation of air inside the containment and heat export, and long term close type circulation cooling is achieved.

The invention discloses an air conditioner system. Air inlets are mounted on a ceiling of a machine room. Air blown from the air inlets are sucked by suction ports, so that air curtain spaces are formed between the suction ports and the corresponding air inlets. A server fixing frame is arranged in each air curtain space. The air curtain spaces can prevent external air from making contact with theserver fixing frames. A fire detector is mounted at each suction port. An indoor heat exchange system further comprises an intelligent control system. The intelligent control system comprises an intelligent controller, an alarm unit and on-off solenoid valves mounted on air inlet channels and fire extinguishing pipelines. The intelligent controller is connected with a cooling pump, a refrigeration compressor, an air inlet pump, an air outlet pump and a fire extinguishing air pump and controls all the pumps to operate. The intelligent controller is connected with the on-off solenoid valves andcontrols the on-off solenoid valves to be turned on or turned off. The intelligent controller is connected with the alarm unit and can transmit a signal to the alarm unit to make the alarm unit givean alarm.

The invention discloses a busway shell comprising two upper plates, two lower plates and two side plates, wherein the two side plates are located between the upper plates and the lower plates; a bus laying position is formed between the two side plates; a region formed between each upper plate and each lower plate is a heat radiating region; the two upper plates are provided with upper convection holes; the lower plates are provided with lower convection holes; the upper convection holes are located above the heat radiating regions; and the lower convection holes are located below the heat radiating regions. By using the busway shell, the heat radiating effect of the busway shell can be improved, the reliability of the busway shell can be improved, and the service life of the busway shell can be prolonged.

The invention discloses an auxiliary heat dissipation type water passing cable, belonging to the cable technical field, and comprises a cooling fluid, a lead tied up into bundles, an insulating layer covering the lead, and a protective sleeve. The cooling liquid is filled in the cavity between the insulating layer and the protective sleeve; the outside of the protective sleeve is provided with a flexible pipe; two ends of the flexible pipe are both communicated with the cavity of the protective sleeve through sleeve joints and are enclosed; intermediate sections of the protective sleeve and the flexible pipe are provided with clamps. According to the technical scheme, transparent flexible pipes of equal lengths are arranged outside the water passing cable side by side, and are communicated with the cavity of the water passing cable, thereby speeding up heat dissipation; in addition, operation states of the lead can be determined through simple modes of observation and touching so as to avoid hidden dangers such as cooling liquid boiling, dry burning, etc.

The invention belongs to the technical field of power electronic capacitors, and mainly provides a DC-Link capacitor and a manufacturing method. The capacitor comprises a shell, multiple mutually laminated cores, multiple copper strips, a cover plate and an electrode, wherein the multiple mutually laminated cores are in the shell; the multiple copper strips are positioned on the side surface of the cores and connected with the cores through welding spots; the cover plate forms a closed space with the shell; and the electrode is arranged on the cover plate and welded with the tail ends of the copper strips. In a manufacturing process, because all the connection welding spots of the copper strips and the cores are positioned on the side surface of the cores, the fact that welding is completed through an automatic welding machine becomes possible; and thus, the production efficiency of the DC-Link capacitor is improved.

A multifunctional low-temperature upgrading furnace with hydrogen-source stable decomposition comprises a material distributing trough arranged above a furnace body, the material distributing trough is communicated with the inside of the furnace body, a dust-removing flow guide device is arranged at the top of the furnace body and is capable of discharging gas generated in the furnace, a plurality of disturbing devices for loosening falling coal are arranged in an inner chamber of the furnace body, a hydrogenating device and a thermal decomposition device are arranged sequentially below the disturbing devices, a solid product produced by the thermal decomposition device is conveyed to a solid discharging device through a first cooling device, and the solid product is cooled by a second cooling device before discharging. A first material-distributing heat distributor is of hollow cylinder structure, an end face of the cylinder structure is provided with a gas inlet, a face of the cylinder structure facing the foaling coal from the dust-removing flow guide device is a first distributing face, and another face of the cylinder structure opposite to the former face is a first heat distributing face. The multifunctional low-temperature upgrading furnace with hydrogen-source stable decomposition has the advantages that chips produced by thermal decomposition of coal can be decomposed in time stably by a hydrogen source, tar yield is increased, and quality of the solid product is improved.