51results about How to "Improve heat transfer capacity" patented technology

The invention provides a heat exchanger for an outdoor machine of an air conditioner and an outdoor machine using the heat exchanger, ,which can enhance the flow speed of the refrigerants so as to enhance the heat exchanging capacity on the existing basis. The technical scheme of the invention is that the refrigerant diffluence is applied to an inlet tube in even ways and the inlet tube is connected with an internal drainage U-shaped copper tube; and every two ways of refrigerants are converged into one way of refrigerant after each way of refrigerant flows through various pipelines of the internal drainage U-shaped copper tube and one way of refrigerant enters an external drainage U-shaped copper tube; each way of refrigerant entering the external drainage U-shaped copper tube is converged into one way by a confluence device after flowing through various pipelines of the external drainage U-shaped pipeline so as to enter a subcooling region at the lower end of the heat exchanger. When the refrigerant diffluence is carried out, two ways of refrigerants are converged into one way of refrigerant. When the confluence is conducted, the flow speed of the refrigerant is enhanced, the heat transfer rate in unitary time is enhanced and the energy efficiency ratio of the refrigeration is enhanced too, and the heating effect is assured when the heating is carried out, due to the increase of the flow rate.

The invention provides an organic phase change thermal storage material and its preparation method. The material comprises the following ingredients, by weight, 2-10% of expanded graphite and 90-98% of an organic phase change material. Through the preparation method, the phase change material obtained has low degree of supercooling, stable performance and relatively strong heat-transfer capability. In a heating container, the organic phase change material is heated to be liquefied; and after heating, a certain proportion of expansible graphite is added and the mixture is continuously stirred so as to finally obtain the stable, reliable composite organic phase change thermal storage material.

The invention discloses a method for preparing poly(p-phenytene terephthalamide)resin, p-phenylenediamine is firstly dissolved and added in a three-shaft self-cleaning type pre-reactor, terephthaloyl chloride and the p-phenylenediamine are added into the pre-reactor in the molar ratio of 1: 1 to 1.01: 1 for carrying out the pre-polycondensation; a prepolymer is added in a double-screw-rod extruder, a pyridine acid absorbent is further added for carrying out the reaction and is extruded after the complete reaction; the extruded polymer undergoes standing, washing, dehydration and drying to obtain the poly(p-phenytene terephthalamide)resin. The invention also discloses the three-shaft self-cleaning type pre-reactor device. The method can precisely control the generated heat of the prepolymerization reaction at unit time and better realize the control of the whole prepolymerization process; the special designs of a stirring shaft and a blade of the pre-reactor can allow the reaction heat to obtain the rapid exchange and avoid the generation of gel; and the obtained resin has good spinnability, good luster of the obtained fiber, high strength and stable performance.

The invention belongs to the field of heat exchanging equipment and relates to a horizontal buried pipe system. A horizontal buried pipe is laid in the underground soil, an input end and an output end of the horizontal buried pipe are connected with a ground source heat pump on the ground respectively, a separated type heat pipe is arranged above the horizontal buried pipe, and gravity type heat pipes are vertically arranged below the horizontal buried pipe. The horizontal buried pipe system has the advantages of efficient heat transmission characteristics of the heat pipes are utilized to improve heat exchanging efficiency between the horizontal buried pipe and the deep soil, so that heat exchanging amount is increased, occupied area is saved, and the horizontal buried pipe system is simple in structure, stable, efficient and reliable.

The invention relates to an interstage cooling system of a water-saving compressor. The interstage cooling system comprises a compressor preceding stage (1), an interstage cooler (2), a compressor backward stage (4), a first cooling pump (5) and a water cooling tower (3), and a cooling coil (2-1) is arranged on the interstage cooler (2). The interstage cooling system of the water-saving compressor is characterized in that an air cooling tower (6) and corresponding second cooling water pump (9) are added to the system; the cooling coil (2-1) is partitioned into a high-temperature zone (A) and a low-temperature zone (B); a cooling water pipeline of the high-temperature zone (A) is connected with the air cooling tower (6); the cooling water pipeline of the low-temperature zone (B) is connected with the water cooling tower; and compressed air discharged from the compressor preceding stage (1) firstly passes through the high-temperature zone (A) of the cooling coil (2-1) and then enters the low-temperature zone (B) after entering the interstage cooler (2). The interstage cooling system of the water-saving compressor has the advantages that water resources can be saved.

The invention belongs to the technical field of aero-engine turbine cooling, and relates to a turbine blade trailing edge slit cooling structure adopting wavy partition ribs. The trailing edge slit cooling structure comprises a hollow turbine blade, an inner cavity cool gas channel, trailing edge exhaust slit channels and the trailing edge slit partition ribs, wherein an inner cavity cool gas channel is formed inside the hollow turbine blade, a wavy trailing edge exhaust slit is formed in the trailing edge of the hollow turbine blade in the chordwise direction, the plurality of wavy trailing edge slit partition ribs are evenly arranged inside the wavy trailing edge exhaust slit, and are arranged side by side to form the discrete trailing edge exhaust slit channels so as to allow cool gas to be exhausted out of the blade. Through the structure of the trailing edge slit partition ribs, the structural strength of the trailing edge of the blade can be improved, the internal heat exchange area of the blade can be increased, and meanwhile, the cool gas in an inner cavity of the blade is guided, and the flowing direction of the cool gas is turned; and according to the trailing edge slit cooling structure, a cool gas flowing path is lengthened favorably, so that the cool gas is utilized more fully, the convective heat exchange area is increased, boundary layers are restrained, and theheat exchange effect is enhanced.

The preparation of nanometer porous graphite includes thermochemical process to prepare graphite intercalation compound, microwave process to swell the graphite intercalation compound and mechanical process to extrude expanded graphite. The porous graphite m prepared through the said process contains nanometer level pores, has effectively improved liquid or gas matter absorbing capacity, strengthened heat exchanging and transferring capacity, etc. and thus wide applicated in ecological building, environment protection, purification and other fields.

The invention relates to a mechanical ventilation air cooling tower which is mainly used in an industrial circulating water cooling process of the chemical industry, the metallurgy industry, the electric power industry and other industries. The mechanical ventilation air cooling tower comprises a tower body (1), a draught fan (2), a dry type air cooling radiator (3), a water inlet pipeline (7) and a water outlet pipeline (8), wherein the dry type air cooling radiator (3) is perpendicularly arranged on the periphery of the tower body (1), a wet type air cooling radiator (4) and a spray nozzle (5) are arranged inside the tower body (1), the wet type air cooling radiator (4) is horizontally arranged, the spray nozzle (5) is arranged above the wet type air cooling radiator (4), and a water collecting tank (6) is arranged below the wet type air cooling radiator (4) and connected with the spray nozzle (5) through a water spraying device (9). The mechanical ventilation air cooling tower has the advantage that when the environment temperature is quite high in summer, the water outlet temperature of circulating water can be lowered.

The invention discloses a vapor chamber based on a flat-plate loop heat pipe. The heat transfer capability, the limiting heat flow density heat dissipation capability, the anti-overloading and inverse gravity capability of the vapor chamber are improved. The size of the vapor chamber is increased. The thickness of the vapor chamber is reduced. The conflicting requirements of performance improvement of the vapor chamber for both large pore size of capillary wick and small pore size of the capillary wick are met. The flat-plate loop heat pipe composed of an evaporator, a liquid accumulator and a gas / liquid pipe is pre-embedded in an aluminum alloy plate to form the vapor chamber based on the flat-plate loop heat pipe. The evaporator of the flat-plate loop heat pipe is arranged in the region, which is attached to a biggest heat source of a chip to be cooled, of the vapor chamber. The side, provided with a vapor channel, of the evaporator is attached to the biggest heat source. The vapor chamber is provided with a heat sink attached region and a heat source attached region. The gas / liquid pipe is led out of an outlet of the evaporator and is arranged in the heat sink attached region and the heat source attached region in a reciprocating mode, finally passes the heat sink attached region and returns to the liquid accumulator of the flat-plate loop heat pipe.

The present invention discloses a retaining grid with a longitudinal vortex generator; the structure implemented by adding a triangular or rectangular longitudinal vortex generator on the basis of a traditional retaining grid structure, to form a triangular or rectangular retaining grid for a longitudinal vortex generator. In the present invention, several inner bars and outer bars are assembly in a crossing manner to form grid units; the inner bars and outer bars form separate grid units, and longitudinal vortex generators are mounted on the four walls of each separate grid unit; two groups of longitudinal vortex generators opposite to each other are arranged in each grid unit, wherein, one group is on the upper part, while the other group is on the lower part; in that way, a complete retaining grid is formed. The grid can enhance heat exchange and deliver retaining function; the structure of the retaining grid is simplified while good heat exchange performance is maintained; therefore, the grid is easier to fabricate.

A heat exchanging device comprises a first heat exchanger, a second exchanger and an air guide member. The upper end of the first heat exchanger is connected tot the upper end of the second exchanger, the lower end of the first heat exchanger is separated from the lower end of the second heat exchanger. The lower end of the first heat exchanger is provided with a refrigerant inlet, and the lower end of the second heat exchanger is provided with a refrigerant outlet. The first heat exchanger and the second heat exchanger are formed by single planar bent heat exchangers or two independent planar heat exchanger. The air guide member is located between the first heat exchanger and the second heat exchanger and is closer to the second heat exchanger as compared with the first heat exchanger. According to a large V-shaped heat exchanger of an embodiment, the air guide member is arranged between the first heat exchanger and the second heat exchanger, distribution of air quantity can be optimized through the air guide member, the distribution of the air quantity matches with changes of heat exchanging parameters of the refrigerant, and heat exchanging capacity is improved.

The invention provides a sealing machine cabinet with a heat superconducting heat exchanger. The sealing machine cabinet with the heat superconducting heat exchanger comprises the heat superconducting heat exchanger and a sealing machine cabinet, wherein the heat superconducting heat exchanger comprises a heat superconducting radiating fin group and an isolating plate; the isolating plate is positioned at the middle part of the heat superconducting radiating fin group and is used for isolating the heat superconducting radiating fin group into a heat absorbing component and a heat emitting component, the heat absorbing component is positioned inside the sealing machine cabinet, and the heat emitting component is positioned outside the sealing machine cabinet; and the isolating plate is mounted and fixed on the surface of the sealing machine cabinet, and the interior of the sealing machine cabinet is completely isolated and sealed from the exterior of the sealing machine cabinet while the heat absorbing component is isolated from the heat emitting component. Heat superconducting pipelines are arranged in heat superconducting radiating fins in the heat exchanger respectively, the heat superconducting pipelines are filled with a heat transfer working medium, and heat inside the sealing machine cabinet is transferred to the outside of the sealing machine cabinet for emission through the heat superconducting radiating fins by utilizing the efficient and quick heat conducting characteristic of the heat superconducting radiating fins, so that the sealing machine cabinet has the characteristics that the heat exchange efficiency is high and the heat exchange capacity is large and is not limited by hole size.

The invention discloses a water pan of a medium-low temperature machine. The water pan comprises a water pan body; one side of the water pan body is upwards and obliquely provided with a condensing pan beneficial to air circulation; a plurality of air return holes are formed in the condensing pan; the bottom of the condensing pan is smoothly connected with a water collecting pan; one side of the water collecting pan is connected with a flow collecting tank; one end of the flow collecting tank downwards and obliquely extends and is connected with one side of the condensing pan; and a drain hole is formed in the bottom end of the flow collecting tank. According to the water pan of the medium-low temperature machine, disclosed by the invention, condensed water rapidly flows under the oblique guide action of the flow collecting tank and is discharged out of the water pan through the drain hole, so that no water accumulation can be caused, and the phenomenon of water blowing scale deposition is stopped; in addition, the condensed water is rapidly discharged, so that the heat exchange capability of a heat exchanger of the medium-low temperature machine can be improved, and the heat exchange efficiency can be increased.

The invention discloses unequal interval symmetrical ventilating ducts for stators and rotors of an air and water-cooled wind driven generator. Iron cores of stators and iron cores of rotors are in a segmented press fitting structure, lengths of all segments of iron cores are symmetrically distributed in such a way that lengths are shortened gradually from end portions to middle portions, ventilating groove plates are arranged among adjacent iron cores to form ventilating ducts, widths of ventilating ducts for stators and rotors are consistent, and ventilating ducts are aligned after iron cores of stators and rotors are mounted in a pressing mode. The unequal interval symmetrical ventilating ducts have the advantages that the unequal interval symmetrical ventilating duct structure is adopted, so that the heat exchange capability of middle portions of iron cores, which is poor originally, is greatly improved, and the problems that original iron cores are uneven in temperature distribution in axis directions and the temperature of middle portions is too high are solved.

The invention discloses a window air conditioner and a control method of the window air conditioner. The window air conditioner comprises a box body; the box body includes a chassis; the chassis has a water tank positioned on an outdoor side; a water tank is arranged on the chassis, and has a water inlet and a water drain port; a drain control valve is connected with the water drain port to control opening or closing of the water drain port; when the water drain port is opened, water in the water tank is drained to the water tank; a water pump is used for pumping the water in the water tank, and is connected with the water inlet; and a control device is connected with the drain control valve and the water pump to control working states of the drain control valve and the water pump. The window air conditioner facilitates strengthening of the heat exchange capacity of a condenser, improves the refrigerating capacity, can prevent the water in the water tank from draining to the environment to a certain extent, and facilitates improvement of the environmental protecting property and the use comfort.

The invention discloses a reinforced heat exchange type radiation convection cool-heat exchanger and belongs to the field of heating, ventilating and air conditioning system terminal devices. The reinforced heat exchange type radiation convection cool-heat exchanger comprises an upper collecting pipe, a lower collecting pipe, heat exchange pipes, a water condensing groove, a small-size fan, a vertical air supply pipe with side air supply openings, a flexible coupling, a welding steel plate of the fan, a welding steel plate of the vertical air supply pipe and fan inlet steel wire mesh. According to the reinforced heat exchange type radiation convection cool-heat exchanger, the winter heating and summer cooling capabilities of the device are remarkably enhanced in a manner that airflow turbulence outside a heat exchange pipe bank is increased. By means of the terminal device, the air output speed can be changed by adjusting gears of the fan under the circumstance of different indoor cooling and heating loads; furthermore, the heat exchange amount of the terminal device is adjusted; and the purpose that the indoor temperature is controlled is achieved. The gears of the fan are dividedinto three types, namely the high gear, the middle gear and the low gear; and by means of the water condensing groove in the lower portion of the cool-heat exchanger, condensed water, generated in the cooling process, on the surface of equipment is collected, and the indoor humidity load is borne. The reinforced heat exchange type radiation convection cool-heat exchanger is flexible to mount anduse; noise and consumption generated in the working process are low; and the heat comfort requirement of human bodies can be well met.

The invention discloses a heat exchange device, which comprises at least one micro-channel heat exchanger, wherein the micro-channel heat exchanger comprises a first collecting pipe, a second collecting pipe arranged in parallel with the first collecting pipe in certain distance, a plurality of oblate pipes arranged between the first collecting pipe and the second collecting pipe and mutually spaced in certain distance, and a plurality of fins arranged between the oblate pipes respectively; a plurality of micro-channels for communicating the first collecting pipe and the second collecting pipe are formed in the oblate pipes; and the heat exchange device comprises an air inlet fin and an air outlet fin, wherein the air inlet fin and the air outlet fin are positioned on two micro-channel heat exchangers arranged side by side in certain clearance, or the air inlet fin and the air outlet fin are positioned on the same micro-channel heat exchanger, the surface of the air inlet fin is inclined at any position towards the air outlet side, and the surface of the air outlet fin is downwards inclined towards the air outlet side. The air flue flow path has reasonable design, is favorable for improving the heat exchange capability of the heat exchanger and reducing the air flue resistance, and has extremely good heat exchange effect.

The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner and a dehumidification control method thereof. The problems that when an existing air conditioner dehumidifies through an air volume reducing method, the dehumidifying effect is poor and the air output volume of the air conditioner is affected are solved. An indoor unit of the air conditioner comprises a first heat exchange branch and a second heat exchange branch which are arranged in parallel, wherein the first heat exchange branch is provided with a first heat exchanger and a first expansion valve, and the second heat exchange branch is provided with a second heat exchanger and a second expansion valve. The dehumidification control method of the air conditioner comprises thefollowing steps that dew point temperature of indoor air is acquired; the saturated evaporation temperature of the indoor unit is acquired; and according to the dew point temperature of the indoor airand the saturated evaporation temperature of the indoor unit, the opening degrees of the first expansion valve and / or the second expansion valve are selectively adjusted, so that it is effectively ensured that the air supply volume of the air conditioner is not affected on the basis of ensuring that the dehumidification capacity of the air conditioner can be effectively improved.

The invention provides a phase-change heat pipe with high reliability and high heat transfer performance. The phase-change heat pipe comprises a first phase-change hole, a second phase-change hole, a third phase-change hole, a first heat pipe hole, a second heat pipe hole, a phase-change heat pipe body and a phase-change material. The first heat pipe hole is located between the first phase-change hole and the second phase-change hole. The first phase-change hole is located in the left side of the second phase-change hole. The second heat pipe hole is located between the second phase-change hole and the third phase-change hole. The second phase-change hole is located in the left side of the third phase-change hole. The first phase-change hole, the second phase-change hole, the third phase-change hole, the first heat pipe hole and the second heat pipe hole are all connected with the phase-change heat pipe body. The phase-change heat pipe body is loaded with the phase-change material. The requirement of satellites for the application reliability of the heat pipe can be met, and the temperature control requirements for satellite load antennae and one machine are met.

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 provides a high-efficient and energy-saving multifunctional refrigerator with double liquid sources, which comprises a refrigerator shell, a refrigerator inner container, an exhaust heat utilization type sterilizer assembly, a capillary resistance changing assembly, an anti-freezing fluid heat absorbing assembly, a program controller, a compressor, a high temperature pipe, a low temperature pipe, a condenser, an evaporator, a four-way reversing valve, anti-freezing fluid, an anti-freezing fluid coldness absorbing box, an anti-freezing fluid heat absorbing box, and a temperature sensor. The high-efficient and energy-saving multifunctional refrigerator with double liquid sources is characterized in that the evaporator is installed in the anti-freezing fluid coldness absorbing box, and the anti-freezing fluid is filled in the anti-freezing fluid coldness absorbing box; the condenser is not installed on the refrigerator shell, and thus, the temperature of the refrigerator shell is greatly reduced in favor of the heat preservation of the refrigerator; a sterilizer is heated by using the exhaust heat discharged by the refrigerator to realize the dry sterilization of the sterilizer with high temperature; the heat exchanging effect of the evaporator and the condenser is greatly increased because the evaporator and the condenser are dipped in the anti-freezing fluid, and thus, the high-efficient and energy-saving effects are realized.

The present invention relates to a moderator chiller, which can be used in the vertical pore passage of the reactor cold neutron source. It is composed of a cylindrical chiller casing, a double cavity upper roll and a taper lower roll both connected with the chiller casing, a chiller core composed of the upper pipe sheet, several chiller tubulars, supplementary live steam cold-finger and the lower pipe sheet is installed in the chiller casing. The inner chamber of the double cavity upper roll is connected to the moderator stabilivolt kettle outside the reactor, and the outer chamber to the coolant system outside the reactor. The lower roll and the diphasic moderator reciprocation transfer pipe are connected together. This invention can eliminate the liquid flooding generated by the stream and liquid flowing reversely in the cold-finger. Utilizing the heat exchange area and the flow section of the cold-finger sufficiently, it decreases the resistance of diphasic heat siphon circulatory flow, enhances the heat exchange capacity. As a result, it is helpful to arrange the diphasic heat siphon circulatory system in the elongated vertical pore passage.

The invention provides an air conditioner outdoor unit. The air conditioner outdoor unit comprises an electric appliance box, a condenser and a draught fan cavity. The electric appliance box is provided with a radiator. The electric appliance box is arranged on the outer side of the side, far away from the draught fan cavity, of the condenser. The radiator is arranged to face the side, far away from the draught fan cavity, of the condenser. According to the technical scheme, compared with the arrangement manner that a radiator of an electric appliance box is arranged in a draught fan cavity in the prior art, the heat dissipation performance of the electric appliance box under the refrigerating work condition can be easily improved, the heat exchanging capability of the condenser under the heating work condition can be improved as well, and therefore the work performance of an air conditioner is integrally improved.

A liquid-cooling type column shape heat-pipe radiator comprises column-shape heat pipe, diversion sheet on the external wall of the heat pipe, external casing pipe fitted on the outer side of the diversion sheet. The inner wall of the external casing pipe, the outer wall of the heat pipe and the diversion sheet form a liquid passage. On the external casing pipe or the casing pipe cover is fitted with a liquid connection tube communicated respectively to the two ends of the liquid passage. The lower end face of the casing pipe is provided together with the base plate of the column-shape heat pipe. Advantages: largely reduced thermal resistance and raised heat-conducting ability, small volume, light weight and compact structure.

The invention discloses a wind turbine blade ice preventing / removing device and a wind turbine blade. The device comprises a heating layer, a heat transfer layer and a packaging layer. The heating layer, the heat transfer layer and the packaging layer are sequentially arranged from inside to outside and serve as an independent outer whole to be attached to the front edge of the blade base body. The independent external shape is the same as the airfoil of the blade base body; the heat transfer layer is made of a graphene composite material woven structure; the heating layer is provided with a plurality of resistance wires; and the packaging layer is made of a glass fiber composite material. The heating unit, the heat transfer unit and the packaging unit are adopted in the device, the anti-icing / deicing heating efficiency of the wind turbine blade is improved, and the anti-icing / deicing efficiency and the energy utilization rate of the wind turbine blade are improved.

The invention discloses a refrigerating or heat pump system with jetting gas-liquid separation heat exchange. The refrigerating or heat pump system comprises a compressor, a condenser, an ejector, a heat regenerator, a throttling element and an evaporator; the compressor, the condenser, the heat regenerator, the throttling element and the evaporator are sequentially connected to form a heat exchange loop; a condensate collecting tank is arranged at the bottom of a single condensing pipeline above the condenser; a liquid extracting pipe is connected to the condensate collecting tank; a gas-phase working medium collecting tank is arranged at the top of a single evaporation tube pass below the evaporator; the gas-phase working medium collecting tank is connected with an air suction pipe; theliquid pumping pipe is connected with a working fluid inlet of the ejector; the air suction pipe is connected with the air inlet of the ejector; and the working fluid outlet of the ejector is connected with the air supply port of the compressor through the heat regenerator. According to the system, a saturated working medium is extracted, so that components of the working medium in the thermodynamic cycle are adjusted, and thus the heat exchange capacity of the condenser and the evaporator is improved, and the problems that an existing refrigeration or heat pump system is low in efficiency andhigh in energy consumption are solved.

The invention provides an injection enhancement radiator. The radiator comprises an injection control cavity with an opening in the upper side, a heat dissipation substrate covering the opening in theupper side of the injection control cavity, an injection device arranged on the lower portion in the injection control cavity, and a high-pressure conveying device used for conveying high-pressure cooling liquid to the injection device; a spraying device which is used for spraying high-pressure cooling liquid upwards to form high-pressure spray, wherein the upper surface of the heat dissipation substrate is used for arranging a heating element. The radiator can effectively dissipate heat of a high-flow-density heating element, and is simple in structure, low in manufacturing difficulty and low in machining cost.

The invention discloses an air conditioning system, and belongs to the technical field of air conditioning. The air conditioning system includes an electrochemistry hydrogen pump provided with a firstelectrode and a second electrode, a first metal hydride heat exchanger connected with the first electrode, a second metal hydride heat exchanger connected with the second electrode, a first solenoidvalve, a rotating disc and an electric control device, wherein the first metal hydride heat exchanger is communicated with the first electrode through the first solenoid valve; the first metal hydrideheat exchanger and the second metal hydride heat exchanger are positioned on the rotating disc; the electric control device is used for controlling the rotating disc to rotate and controlling the opening degree of the first solenoid valve to reach the maximum value when the rotating disc rotates. According to the technical scheme, the functional exchange between the first metal hydride heat exchanger and the second metal hydride heat exchanger can be achieved, the problems that an air conditioner is low in heat exchanging capability and unstable in heat exchanging can be solved, and the comfort degree of the air conditioner can be improved. The invention further provides a method for controlling the air conditioning system.

The invention discloses a heat exchange enhanced condensation pipe network type heat exchanger and a preparing method thereof in the field of extra-pipe condensation equipment. A hollow network type channel structure with condensation pipes communicating with one another in a crossed manner is adopted in the heat exchanger, and the pipe diameter of the condensation pipes is smaller than 3 mm. By means of the heat exchange enhanced condensation pipe network type heat exchanger and the preparing method thereof, due to the design of the condensation pipe network type structure, the heat exchangearea between working medium steam and the heat exchanger is enlarged, due to the manner of reducing the pipe diameter of the condensation pipes, the function of reducing the thickness of a local condensation surface liquid film under the implementation of capillary pressure and the Plateau-Rayleigh instability effect is achieved at the same time, the condensation heat exchange effect of the heat exchanger is obviously enhanced, meanwhile, the machining difficulty and the machining cost of the heat exchanger are greatly lowered, and the defects that an existing heat exchanger cannot be bent, and transportation and assembly flexibility is poor are overcome.

The invention discloses a novel efficient low-pressure-drop plate-fin type heat exchanger fin. The novel efficient low-pressure-drop plate-fin type heat exchanger fin comprises staggered corrugated fins, wherein the staggered corrugated fins are disconnected and staggered at the end portion of each unit wavelength; the interior of each unit wave is averaged into multiple sections through notches. The novel efficient low-pressure-drop plate-fin type heat exchanger fin has the advantages of having the advantages of staggered fins, corrugated fins and slotted fins at the same time, the degree of turbulence of fluid is stronger in the heat exchange process, a heat exchange boundary layer can be effectively destroyed, and consequently the heat exchange capacity of a heat exchanger is improved greatly. Meanwhile, due to gaps between the fins and the corrugated shape of the fins, flowing resistance of the fluid can be decreased, and the pressure drop in the heat exchange process is not too high.