41results about How to "High cooling power" patented technology

The invention discloses a sintered soaking plate which comprises a closed casing, a capillary structure, a supporting stricture and working fluid, wherein the closed casing is formed in such a way that a metal circular pipe is flattened and both ends of the metal circular pipe are closed; the capillary structure is sintered on the internal wall of the closed casing; the supporting structure is formed by stamping wire meshes; the working fluid is filled in the closed casing; and the supporting structure is arranged in the hollow cavity of the closed casing. The invention also discloses the manufacturing method of the sintered soaking plate. The capillary structure of the soaking plate has small thermal contact resistance with the internal surface of the closed casing and strong capillary force, thereby being convenient for the working fluid to flow back to an evaporating surface. The supporting structure is formed by directly stamping the wire meshes and manufactured conveniently, the mesh screens of the wire meshes and stamped grooves are used as channels where steam flows, and the channels are beneficial to the effective diffusion of the steam and also used as return channels of the working fluid. The soaking plate has simple structure and can be especially applied to the heat-dissipating design of large-scale servers.

A preventive cabin temperature controlling method based on real-time power of a fan unit belongs to the technical field of wind power. The invention relates to a wind generating set temperature control system, in particular to a nonlinear wind power generator temperature control system. According to the real-time power of a fan, processing is carried out through an algorithm, so that a heat dissipation curve is moved outwards, the heat dissipation power is increased, the residual amount is reserved after the temperature is adjusted, the hysteresis is eliminated, and the nonlinear and preventive control on the temperature of a cabin is realized. According to the preventive cabin temperature controlling method, the output power of the temperature control system is calculated and determined according to the real-time power and the rotating speed torque table of a wind turbine generator so as to control the temperature control system. The temperature adjusting capability is better while the output power of the temperature control system is larger as the real-time power of the wind turbine generator increases. As the slope of the power curve of the wind turbine generator becomes larger,namely, the power corresponding to the next rotating speed becomes larger, the output power of the temperature control system becomes larger, and the temperature adjusting capability is better.

The invention relates to a method for dissipating heat of a thermotube of a convertor and a radiator thereof. The thermotube is adopted to dissipate heat and inserted into a baseplate of the radiator; the baseplate of the radiator clings to a heating baseplate of the convertor; the thermotube is vertically and obliquely inserted into a main plane of the baseplate of the radiator and runs through the baseplate; the underside of the root of the thermotube is directly contacted with the surface of the heating baseplate of the convertor; the cross section of the thermotube is variable and the thermotube has a ladder-shaped structure of which the upper part is small and the lower part is large; the section of the root is larger than that of the upper part; and the heat of the heating baseplateof the convertor is directly conducted out through the underside of the root of the thermotube directly contacted with the surface of the heating baseplate of the convertor. The radiator comprises a radiator baseplate, the thermotube, a radiating fin and the heating baseplate of the convertor; the root of the thermotube is vertically and obliquely inserted into the main plane of the baseplate of the radiator and passes through the baseplate; the underside of the root of the thermotube is directly contacted with the surface of the heating baseplate of the convertor; and the thermotube has the ladder-shaped structure of which the upper part is small and the lower part is large. Compared with that of the conventional radiator, the entire thermal resistance of the radiator can be reduced by 20 to 30 percent; and the heat dissipation power is increased by 100 percent.

The invention relates to the field of communication management machines, in particular to a safety protection device for a communication management machine used in an integrated automation system and a method for using the same. A sweeping mechanism is provided, the length and angle of the sweeping mechanism can be adjusted, the exhaust mechanism is connected with the sweeping mechanism, and the inside of the casing is also provided with a temperature-sensing control mechanism, which is connected with the sweeping mechanism. The temperature-sensing control mechanism can drive the sweeping mechanism to adjust the length and angle according to the temperature change inside the casing, and adjust the heat dissipation power of the exhaust mechanism. The communication management machine safety protection device for an integrated automation system and its use method can adjust the heat dissipation power of the exhaust mechanism according to the temperature in the casing, which can not only quickly dissipate and cool down the integrated components in the casing, but also reduce energy consumption. consumption, and the swept area of ​​the scavenging mechanism can be adjusted adaptively.

An embodiment of the invention discloses a flow control valve, a flow control device and a hydraulic oil heat dissipation system and relates to the technical field of engineering machinery. The flow control valve comprises a three-way pressure compensated valve, a first throttling valve and a second throttling valve; an oil inlet of the first throttling valve is in parallel connection with an oil inlet of the three-way pressure compensated valve; an oil outlet of the first throttling valve is in parallel connection with an oil inlet of the second throttling valve; an oil outlet of the second throttling valve is communicated with a flow feedback oil opening of the three-way pressure compensated valve. The flow control device and the hydraulic oil heat dissipation system comprise the flow control valve. The hydraulic oil heat dissipation system can improve heat dissipation efficiency of a hydraulic oil radiator.

The invention belongs to the technical field of overload protection devices, in particular to an electric meter and an overload protection device used for electric meters. Aiming at the problem of complex structure of the existing overload protection device, the following scheme is proposed, including a housing, and the inner wall of the rear end of the housing There is a first chute, the first slider is slidably connected to the first chute, the front end of the first slider is fixed with the second mounting plate, the inner side of the second mounting plate is fixed with the second electrode piece, the top of the inner wall of the second groove The second spring is fixed, the second block is fixed on the bottom of the second spring, the first mounting plate is fixed on the inner wall of the rear end of the housing, the first electrode piece is nested and fixed on the inner side of the first mounting plate, and one side of the first mounting plate is glued Connected with permanent magnet. In the present invention, the magnetic field force on the second electrode piece interacts with the permanent magnet, so that the first slider releases the restraint of the second block and moves to the right, so that the first electrode piece and the second electrode piece are out of contact. , Cut off the circuit to protect the circuit and electrical appliances.

The invention discloses an exhaust gas recirculation system. The exhaust gas recirculation system comprises a cooler, wherein an exhaust gas inlet used for being connected with an exhaust manifold and a supercharger after-treatment device, a first exhaust gas outlet used for being connected with an intake manifold and a second exhaust gas outlet used for being connected with a supercharger are formed in a cooling channel of the cooler; and the second exhaust gas outlet is positioned at the downstream part of the flow direction of the first exhaust gas outlet, and a variable-runner switch valve is arranged between the second exhaust gas outlet and the first exhaust gas outlet. According to the exhaust gas recirculation system disclosed by the invention, parts are fewer, occupied space is small, assembly is simple, space in an engine is reduced, one cooler is arranged on the engine more easily, and the cost is low; besides, the second exhaust gas outlet used for being connected with the supercharger has a longer flow distance compared with the first exhaust gas outlet, so that higher heat dissipating power can be realized, and heat dissipating power is improved by prolonging the time of flowing, in the cooler, of the exhaust gas. The invention further discloses an engine comprising the exhaust gas recirculation system.

The invention discloses a loop-type heat pipe radiator and a method for making the same. The radiator comprises a plate-type evaporation chamber, a porous capillary structure and outside pipelines. The porous capillary structure is filled into the plate-type evaporation chamber; the outside pipelines are connected with both ports of the plate-type evaporation chamber; the outside pipelines and the plate-type evaporation chamber form a closed loop; working fluid is filled in the plate-type evaporation chamber; and one end of the plate-type evaporation chamber is connected with a fluid chargingpipe. The making method comprises the following steps of forming the plate-type evaporation chamber, configuring the capillary structure, pressing edges and welding, pouring fluid to make vacuum, sealing and electric welding. The radiator can effectively save space because of the thinner wall of the plate-type evaporation chamber, can save contact thermal resistance between heating elements and the plate-type evaporation chamber because the heating surface is a plane, can solve the problem that the density of heat flow of the heating elements increases gradually because of the high heat radiating power, can increase the heat transferring distance because of the longer outside pipelines, and meanwhile can achieve mass production because of simple structure and production process.

The invention relates to a high-power loop heat pipe radiator and a manufacturing method thereof. The radiator comprises a plate evaporator, a condenser, at least a steam line and at least a liquid line, wherein the steam line and the liquid line are used for connecting the plate evaporator with the condenser; the liquid line is also communicated with a vacuumizing and working medium filling line; a porous material is fixed inside the plate evaporator; and a plurality of communicated steam discharge channels are formed in the porous material. The manufacturing method comprises the following steps: preparing the porous material; stamping a top cover and a bottom plate of the plate evaporator; putting the porous material between the top cover and the bottom plate and fixedly connecting the top cover with the bottom plate; carrying out welding and communicating; and carrying out cleaning, vacuumizing, working medium filling and sealing. The radiator and the manufacturing method have the following advantages that: the radiation and installation use requirements of the high-power power electronic devices can be well met, the aim of full and effective contact with the power electronic devices can be achieved and the special evaporator structure further saves the space and is further beneficial to reinforcement of heat exchange, thus farthest reducing the radiating heat resistance.

The invention discloses a computer room air-conditioning system based on direct evaporative cooling of cabinets, which comprises a refrigerant circuit, an oil return circuit and a cooling water circuit. In the present invention, the refrigerant is directly transported to the server, and the evaporator installed on the server is used to directly evaporate the refrigerant to cool the server. Compared with the conventional computer room air conditioning system cooled by air supply, it has large heat dissipation power, high efficiency, and small volume. advantage. Compared with the conventional refrigerant evaporative cooling air-conditioning system, the computer room air-conditioning system of the present invention realizes direct delivery of all liquids to the evaporator by setting a low-pressure circulation bucket and the first frequency conversion magnetic pump, thereby having a small pressure drop of the refrigerant in the evaporator, and the compressor The return air temperature is low, the heat exchange system is large, etc., and the oil return problem of the system is creatively solved by setting the oil return circuit, so that the system has the characteristics of high comprehensive energy efficiency.