750results about How to "With cooling function" patented technology

The invention relates to a fabric with a double-sided composite structure interweaved by cooling ice-cold fibers and cotton yarns. The inner layer of the fabric is formed by the ice-cold fibers and has a mesh-like tissue structure; and the outer layer of the fabric has a plain weave tissue structure. Australia AS / NZS 4399:1996 Evaluation and Classification of Ultraviolet Protective Fabric' standard tests show that the ultraviolet protection factor UPF level of the fabric reaches 50 +. A method for manufacturing the fabric comprises the following steps of: weaving, preprocessing, dyeing and scotching forming. The dyeing step comprises cotton dyeing, water washing, dewatering, polyamide fiber dyeing, water washing, color fixing and water washing in sequence. A coolfresh auxiliary agent and an uvioresistant auxiliary agent are added in one bath during dyeing, and the coolfresh auxiliary agent is added again by squeezing when scotching forming. The fabric combines the multiple functions of ice cooling, temperature reduction, coolfresh and uvioresistance into the whole fabric and is an ideal outdoor sportswear fabric.

The invention discloses a method for preparing a hollow steel ingot for a protection ring of a large power generator by adopting electroslag remelting. The method comprises the following steps: (1) preparing consumable electrode groups; (2) melting slag into liquid molten slag; (3) inserting the consumable electrode groups into an electroslag remelting hollow ingot crystallizer; (4) starting two transformers; (5) injecting the liquid molten slag into the electroslag remelting hollow ingot crystallizer; (6) when the consumable electrode groups are in contact with the liquid molten slag, forming an electrifying loop among fake electrodes, the consumable electrode groups and a bottom water tank; (7) when the liquid molten slag is in contact with an upper section, forming a loop among the upper section, the bottom water tank and the transformers connected with the bottom water tank; (8) adjusting the output currents and voltages of the two transformers; (9) when a metal melt is in contact with a molten steel liquid level detection device, starting an ingot stripping device for ingot stripping; (10) exchanging the consumable electrode groups; and (11) inserting subsequent consumable electrode groups into the liquid molten slag, and repeating the steps (8 to 10) until the ingot stripping is finished.

The present invention discloses a solar seawater desalinating greenhouse, comprising a main greenhouse, which is used for cultivating crops. A seawater distillation top level is added and arranged on the front part of the top of the greenhouse. An inner layer of the seawater distillation top level adopts a wavelength selective color plastic plate. The cover face of an outer lay of a roof adopts a translucent panel. A freshwater water collecting groove is arranged at the gutter in an inner layer of the roof. The freshwater collecting groove is communicated with a freshwater storage pool through a pipeline. A seawater storage pool, which is used for pumping and storing the seawater is connected and fixed on a jetting pipe in the inner layer of the roof through a water feeding column. Jetting holes are opened on the two sides of the jetting pipe. The present invention integrates the solar seawater desalinating device and the environmental controlled greenhouse in a whole, which is suitable for producing freshwater used in agriculture; in addition, the present invention also has the functions of sun shading and cooling, which can be used for desalinating the seawater and cultivating crops. The present invention can satisfy the need for vegetables supply and the drinking water for men and animals in coastal areas, islands, desert alkali region and so on where have seawater or brackish water but lack of freshwater resource.

The invention discloses a permanent magnet dual-coil-driven giant magnetostrictive actuator, which belongs to the technical field of hydraulic servo control. The actuator comprises an outer cover (3), a first end cover (2), a second end cover (12), a bobbin (19), a giant magnetostrictive rod (16), an output rod (14) and a preloaded spring (15). A bias magnetic field generation unit and a driving magnetic field generation unit are arranged on the bobbin (19). The actuator is characterized in that: the bias magnetic field generation unit comprises a bias adjustment coil (8) and a permanent magnet (5); and the driving magnetic field generation unit comprises a drive coil (9). The novel giant magnetostrictive actuator has the remarkable characteristics of high displacement output accuracy, quick response, low heat, intellectualization, bias magnetic field adjustability, preloading force mechanical / electronic joint adjustability and the like.

The invention discloses an integrated liquid crystal television comprising a liquid crystal module and a television system module; the liquid crystal module comprises a front frame and a back plate which are fixed and connected to each other; the television system module comprises a power module and a main board module; the front frame and the back plate of the liquid crystal module are respectively used as the common front frame and common back plate; namely, the front frame and the back plate of the liquid crystal module are respectively used as the front shell and the back shell of the television system module; the power module and the main board module are both mounted on the back plate; the television system module further comprises a protective cover fixed to the back plate for covering the power module and the main board module. The invention is in integrated structure, saving the front shell and the back shell of the existing television; the thickness of the television is thinner than that of the traditional television; therefore, the invention decreases the weight of the television and reduces the manufacturing and assembling cost.

The invention discloses a structure for conducting and cooling a high-temperature superconducting magnet. A cooled high-temperature superconducting magnet comprises at least one high-temperature superconducting double-layer pancake structure, wherein the high-temperature superconducting double-layer pancake structure comprises brass frameworks, upper and lower single pancakes, polyimide films and epoxy plates; upper and lower finished wiring pancakes are formed by parallelly winding cold-conducting copper belts and high-temperature superconducting belts. A three-stage cold-conducting structure of 'cold-conducting copper rods and the brass frameworks', 'cold-conducting copper pieces' and 'the cold-conducting copper belts' is adopted, so that cold in a refrigerator can be quickly and uniformly conducted into the surface of each turn of high-temperature superconducting belt of the high-temperature superconducting magnet, and an excellent refrigeration effect can be achieved. By the structure, effects of reducing heat resistance and the eddy-current loss of the cold-conducting structure are achieved, the problem that the high-temperature superconducting magnet is influenced when the cold-conducting structure generates heat is solved, and the conducted and cooled high-temperature superconducting magnet can be quickly cooled and can run reliably.

A battery thermal management system and a control method are disclosed, the battery box comprises a battery box body, a battery module is arranged in the battery box, the battery module is composed ofN x M battery monomers, a cold plate is arranged in the middle of the battery module, the cold plate is arranged on the battery monomer through an opening jacket, a liquid channel is uniformly arranged, a composite phase change material is arranged between adjacent battery monomers, a liquid inlet and a liquid outlet are arranged in the battery box, and the liquid inlet and the liquid outlet areconnected with the liquid channel; the external circulation device comprises an electric heater, a water pump, a heat exchanger, a cockpit evaporator, a compressor, a condenser, a first throttle valveand a second throttle valve. The invention has the advantages of compact overall structure, simplicity, stability, high efficiency and the like. The battery module can be cooled, insulated and heatedto make the battery work in the appropriate temperature range, and can be integrated into the vehicle thermal management system to improve the battery thermal management system of electric vehicles.

A semiconductor power module package structure comprises a dual in-line type package shell, a copper-coated ceramic substrate, at least one power drive chip, a printed circuit board and a lead frame. The top layer of the copper-coated ceramic substrate includes a first lead pad, an insulating groove and a welding platform. The at least one power drive chip is mounted on the welding platform in the top layer of the copper-coated ceramic substrate and a pin of the power drive chip is connected with the first lead pad. An auxiliary circuit and a second lead pad are arranged on the printed circuit board, at least one frequency conversion control chip is mounted on the printed circuit board, and a pin of the frequency conversion control chip is connected with the corresponding second lead pad. The lead frame includes a first-side connecting pin used for power drive signal transmission and a second-side connecting pin used for frequency conversion control signal transmission, the first-side connecting pin is respectively connected with the first lead pad and the second lead pad, and the second-side connecting pin is connected with the corresponding second lead pad. A power drive circuit and a frequency conversion control circuit are packaged together in the semiconductor power module package structure, and the semiconductor power module package structure is small in size, convenient for users to use and wider in application occasion.

The invention discloses a refrigerator and a control method of a microwave oven chamber. The refrigerator comprises a tank body, a fan, a microwave generator, a main control panel and a display control panel, wherein the tank body is provided with a refrigerating chamber and a microwave oven chamber; the microwave oven chamber is communicated with the refrigerating chamber through an air inlet channel and an air return air channel, thus cold air in the refrigerating chamber enters the microwave oven chamber and forms circulating refrigeration; the air inlet channel is provided with an air door so as to open and close the air inlet air channel; the fan is arranged in the refrigerating chamber so as to supply air to the air inlet air channel; the microwave generator is arranged in the tank body so as to perform microwave heating for the microwave oven chamber; the main control panel is arranged in the tank body and is connected with the air door, the fan and the microwave generator; and the display control panel is connected with the main control panel so as to display refrigerator information and input instructions for controlling the microwave oven chamber to refrigerate or heat to the main control panel. So, according to the refrigerator provided by the invention, the microwave oven chamber is refrigerated through the air inlet air channel and the air return channel, and the aims that the microwave oven chamber is fully utilized, and the refrigerator utilization ratio is improved are achieved.

The invention discloses a power distribution cabinet. The power distribution cabinet is reasonable and simple in structure, low in production cost and convenient to mount and also has dust removal and heat dissipation functions. During use, an upper cover and an end cover are opened, and a blowing fan is switched on to dissipate heat; meanwhile, a first valve plate and a second valve plate are opened, and an exhaust fan and a suction fan are switched on for further heat dissipation, so that the heat dissipation effect is greatly enhanced, and heat dissipation of internal elements is guaranteed; when the heat dissipation is not needed, the fans stop working, the first valve plate and the second valve plate are closed, the upper cover is closed, bolts are locked, and the end cover is closed, so that dust can be effectively prevented; furthermore, by arrangement of a filter net, an air guide plate and a blocking net, the dust can be prevented from entering a power distribution cabinet body.

The invention discloses a spring pressurization closed type hydraulic oil tank with the volume, pressure and leakage detecting function. The spring pressurization closed type hydraulic oil tank comprises a stay wire sensor, a first mini-type pressure sensor, a second mini-type pressure sensor, a first piston seal ring, a second piston seal ring and base plate static seal rings, wherein annular radial radiating fins are arranged on the outer side surface of the oil tank barrel; annular sealing grooves are formed in the end surface of the bottom end of the oil tank barrel; each base plate static seal ring is mounted inside the corresponding annular sealing groove; the stay wire sensor is mounted on the top surface of an upper plate; the first mini-type pressure sensor and the second mini-type pressure sensor both connected with an accommodating chamber are mounted on a piston; two through holes respectively serving as an oil inlet and an oil outlet of the oil tank are machined in a base plate; the oil tank is connected with an external valve block by taking the bottom surface of the base plate as a mounting surface and by adopting a plate-type mounting manner. According to the invention, the hydraulic oil tank is compact in structure, small in occupied space, and isolated from air, can be used for pressurizing accommodated hydraulic media, and can adapt to the volume variation of the accommodated hydraulic media; the sensors of the oil tank can be used for monitoring the volume and pressure of the hydraulic media in the oil tank in a real-time manner, and can be used for monitoring whether the oil tank leaks or not, so that powerful data support can be provided for healthy management of the hydraulic system provided with the oil tank.

The invention discloses an intelligent automatic lubricating cleaning device for a driving chain, and belongs to the technical field of chain cleaning lubrication and aims at providing the intelligent automatic lubricating cleaning device for the driving chain with the advantages that a cleaning function is realized, the service lives of the driving chain and a main disc and a sub disc of a driving motor can be prolonged, and the lubricating effect is good. The intelligent automatic lubricating cleaning device comprises a support frame, an oil supply pipeline, a driving chain, a traction chain, a pulling claw, a driving motor, an air blowing cleaning mechanism, a controller, an electromagnetic pneumatic valve and a proximity switch, wherein the proximity switch is connected in series onto a power supply loop of the electromagnetic pneumatic valve, the electromagnetic pneumatic valve is connected onto the oil supply pipeline, an oil spray nozzle of the oil supply pipeline is arranged above the driving chain, the proximity switch is arranged above a chain wheel, an oil collecting disc is arranged under the driving chain, an air blowing opening of the air blowing cleaning mechanism is arranged in a direction facing the driving chain, and the control end of the air blowing cleaning mechanism and the control end of the proximity switch are respectively connected with the controller. The intelligent automatic lubricating cleaning device is mainly used in the automatic lubricating cleaning technology of the chain.

The invention discloses a novel telecommunication box device, which comprises a box for installing communication components and a mounting frame fixedly arranged on a base body and used for fixing the box. The mounting frame is provided with a mounting slot opening to the right , the mounting frame above the mounting groove is provided with a bending groove, the mounting frame below the left of the bending groove is provided with a first sliding groove communicating with the bending groove, and the bending groove The installation frame on the lower right is provided with a telescopic slot that communicates with the bending slot and opens toward the installation slot. A locking block can be slid up and down in the telescopic slot, and a locking block can be slid up and down in the first sliding slot. A sliding column is provided in the sliding column, and a threaded groove facing downward is provided in the sliding column. A threaded rod is installed in the threaded groove, and the bottom end of the threaded rod is fixedly arranged on the inner bottom of the first sliding groove. Drive motor power connection in the wall.

The invention discloses an outdoor power cabinet with waterproof and cooling functions. The outdoor power cabinet with the waterproof and cooling functions has a simple structure,when the outside temperature is too high,the heat of power equipment is too large,an airbag is heated and expanded,a second copper contact piece is promoted to contact a first copper contact piece,thereby turning on a circuit of a positive and negative rotation motor,blades are rotated,outside air is sucked into a cabinet body to cool the power equipment,when the humidity in the cabinet body is too large,a smectite powder bag absorbs water vapors to be expanded,so that a third copper contact piece abuts the first copper contact piece,the positive and negative rotation motor reversely rotates,the water vapors in the cabinet body are blown out,the functions of waterproofing and cooling of the cabinet body are achieved by a series of measures,and the cabinet has strong practicality.

The invention discloses a kind of titanium alloy profile wire. The related tianium alloy profile wire is a board with multilayer titanium alloy hollow structure which involves interlayer with cooling slots. It is made up of the inner scale board with the thickness from 0.3mm to 1.0mm, the outer layer's titanium alloy board with the thickness from 0.3mm to 1.0mm, and the titanium alloy interlayer board with cooling slots between the above mentioned two boards. The molecule infilterating between layers forms a homogeneous matrix with no interface with the thickness from 2.0mm to 10.00mm.The process for manufacturing the board includes following steps: the manufacture of the mould, the preparing and manufacture of the board, installing and molding of the mould with rising temperature, diffusing connection, the first molding, the second molding, cooling and incising process border. It makes use of the technology of combination of SPF and DB, makes application of the technology of the dissolveable screw-demolding core in the investment casting production process. Through twice molding, it accomplishes the processing of the titanium alloy profile wire, makes it the functional material. It provides the aircraft's cabin with the material which has the cooling function under the assurance of the intensity and stiffness. It has a good perspective for its wide application.

The invention discloses an interactive intelligent tablet. The interactive intelligent tablet comprises an aluminum-plastic backboard, a heat dissipation plate, a middle bezel component, an outer bezel component, a backlight module and a control unit, wherein the heat dissipation plate comprises a first plate body and a second plate body; the second plate body is located on the front side of the first plate body; the upper part of the second plate body is connected with the lower part of the first plate body; a light source mounting plate which extends to the front side is arranged at the lower end of the second plate body; the lower part of the aluminum-plastic backboard is mounted on a mounting surface formed by the front side surface of the first plate body and the upper end surface of the second plate body in a clinging manner; the front side surface of the aluminum-plastic backboard and the front side surface of the second plate body form a bearing basic surface for bearing the backlight module; and the back side surface of the aluminum-plastic backboard and the back side surface of the heat dissipation plate form a mounting basic surface for mounting the control unit. The interactive intelligent tablet is relatively small in thickness, relatively light in weight, good in heat dissipation effect and high in structural strength.

The invention discloses a motor, a terminal device and a method for heat dissipation of terminal, wherein the motor is arranged in the terminal; the motor comprises a direct current machine which is composed of a rotor and a coil, an eccentric wheel, a heat dissipation blade and a first lead foot, wherein the eccentric wheel is arranged at one end of the rotor and is used for leading the vibration of the motor under the driving of the rotor through the direct current machine; the heat dissipation blade is arranged at the other end of the rotor and is used for moving for heat dissipation under the driving of the rotor through the direct current machine when the motor vibrates; and the first lead foot is arranged on the direct current machine and is used for connecting the power supply which supplies power for the direct current machine. The technical scheme of the invention can reduce the interference of heat radiation on the equipment and the body damage of users.

The invention discloses a base with damping and heat dissipation functions used for a new energy automobile battery. The base comprises a first shell, wherein the lower surface of the first shell is fixedly connected with a protection cover; the lower surface of the inner wall of the protection cover is fixedly connected with two fixed rods, and the opposite sides of the two fixed rods are fixedlyconnected with the left and right side faces of the motor body of a motor respectively; the output shaft of the motor is fixedly connected with the bottom of a first rotating shaft; and the top of the first rotating shaft passes through a first through hole formed in the lower surface of the first shell and extends to the interior of the first shell. According to the base with damping and heat dissipation functions used for the new energy automobile battery, through the interaction of an object carrying plate, a sliding chute, a sliding block, the first shell, the motor, the first rotating shaft, fan blades, a runner, ventilation holes, a first sliding rod, a second sliding rod, a first magnet and a second magnet, the purposes of damping and heat dissipation are achieved, so that the service life of the new energy automobile battery is guaranteed, and the damage of the new energy automobile battery is avoided.

The invention discloses an anti-icing vidicon. The anti-icing vidicon comprises a holder housing, a fixing piece, an inverted U-shaped connecting part, a semispherical cavity, an observation window, and a leeward shielding piece, wherein the holder housing is a semispherical or semi-ellipsoidal single-layer protective layer and fixedly connected with a connecting port of the fixing piece; an edge extending in a horizontal direction is arranged at the tail end of the cover port; the fixing piece is of a rectangular or trapezoidal section bar structure with a smooth curve at one end; the other end of the fixing piece is fixed on a power transmission wire iron tower; the inverted U-shaped connecting part is coaxially and movably connected to the top end in the cover of the holder housing, and arranged at the cover port of the holder housing; the semispherical cavity is horizontally fixed in the U-shaped opening of the inverted U-shaped connecting part; a camera head is arranged in the semispherical cavity; the observation window is arranged on the center of the circumferential surface of the semispherical cavity; a plurality of infrared night vision lamps are arranged at the two sides of the observation window; the leeward shielding piece is arranged on the back surface of the semispherical cavity. The anti-icing vidicon disclosed by the invention can be used for solving the problems that a camera is easy to ice and not resistant to low temperature when an icing phenomenon appears and that attachments on the surface of a lens or a transparent protective cover are difficult to clean.

The invention discloses a heat-dissipation dustproof switch cabinet. The heat-dissipation dustproof switch cabinet comprises a cabinet body. An installation hole is formed in the top part of the cabinet body, and a suction fan is installed in the installation hole. A second dustproof cover is arranged on the suction fan. A plurality of heat dissipation holes are formed in two sides of the cabinet body, and motors are correspondingly installed on two sides of the cabinet body. The two rotors are respectively connected with a rotating shaft, the two rotating shafts are respectively and correspondingly connected with a first dust collection rod and a second dust collection rod, and the first dust collection rod and the second dust collection rod are contacted with each other. An exhaust fan is installed on an installation hole formed in the bottom part of the cabinet body. The exhaust fan is externally covered by a first dustproof cover. According to the invention, dual-heat-dissipation design is adopted, air circulation heat dissipation is formed by the exhaust and the suction fan, water circulation heat dissipation is formed by water circulation, and the heat dissipation holes formed in the cabinet body also have the heat dissipation function; in addition, the dustproof covers and the dust collection rods are used in a matching manner, so that the dustproof effect is effectively improved.

The invention discloses an electrical cabinet with a heat dissipation function, which comprises an electrical cabinet shell and a door board. Supporting legs are arranged at both sides of the bottom of the electrical cabinet shell; a plurality of vent holes are formed at one side of the electrical cabinet shell; the door board is arranged at the other side of the electrical cabinet shell; a flowerbed is arranged at the top of the electrical cabinet shell; a temperature sensor is arranged at the top end inside the electrical cabinet shell; an alarm is arranged at one side of the temperature sensor; a heat dissipation fan is arranged at one side of the bottom end inside the electrical cabinet shell; a heat absorption plate is arranged at one side of the top of the heat dissipation fan; a frame is arranged at the middle part of the door board; a driving mechanism is arranged at the top of the frame; the frame is provided with a plurality of blades; rotating shafts are arranged at both sides of the blades; and the driving mechanism is connected with the rotating shafts. By arrangement of the flower bed, integral aesthetics can be improved and heat is effectively insulated; by automatic opening and closing of the blades, heat dissipation ventilation can be improved; and the electrical cabinet disclosed by the invention is reasonable in design and suitable to popularize and use.

The invention relates to a refrigeration and low-temperature technology, and provides a low-temperature Dewar container. The low-temperature Dewar container comprises a low-temperature Dewar module; the low-temperature Dewar module comprises a hydrogen storage pressure bearing layer and a cold storage sandwich layer; a hydrogen accessing coil is arranged in the cold storage sandwich layer, is bentto extend in the cold storage sandwich layer, and is provided with a high-pressure hydrogen inlet and a high-pressure hydrogen outlet; and the high-pressure hydrogen outlet communicates with the hydrogen storage pressure bearing layer. The invention further provides a low-temperature high-pressure hydrogen storage system, which comprises the low-temperature Dewar container. As supercharging module and a cooling module cooperate for supercharging and cooling, the hydrogen density can be increased in a state of maintaining hydrogen phase to achieve the purpose of improving the hydrogen storagequality in the hydrogen storage pressure bearing layer; and compared with a traditional hydrogen storage technology, the hydrogen storage and release process can be realized under the conditions of lower pressure and higher temperature, and the cold storage sandwich layer can use the cooling capacity in the hydrogen storage and release process.

The invention relates to protective laser welding equipment with a cooling function. The equipment comprises a base, a support rod, a lifting device, a connecting box, a connecting column, a welding head and a worktable, and further comprises a protecting mechanism and a cooling mechanism; the protecting mechanism comprises a protective cover, a first spring, a driving module, two moving modules and two limiting modules; the moving modules comprise rotating discs, pull wires, rotating shafts and two first bearings; the cooling mechanism comprises a connecting pipe, an air extracting pump, an intake pipe, a fixed box, an exhaust pipe and a cooling pipe; and a refrigerating rod, a flow separation plate, an activated carbon filter screen and a replacement module are arranged in the fixed box.Through the cooling mechanism, the protective laser welding equipment with the cooling function realizes the cooling work of workpieces on the worktable to prevent scald of users by high-temperatureworkpieces, so that the safety is improved; and through the protecting mechanism, the shielding of the welding head is realized, flame during welding is prevented from splashing to the users, and thesafety is greatly improved.

The invention discloses a multifunctional air purifier. The multifunctional air purifier comprises an outer shell, a purifying and refrigerating system and a water system, wherein the purifying and refrigerating system and the water system are arranged in the outer shell, the purifying and refrigerating system is of a paper honeycomb structure, the water system comprises a water tank, a circulating water pump and a water pipe, the circulating water pump is located in the water tank and communicated with the water pipe, the water pipe is located above the purifying and refrigerating system, and a water spray opening is formed in the water pipe. The purifying and refrigerating system is made of special material of the paper honeycomb structure, in this way, under the action of gravity, water flows from top to bottom, a water film is formed on the surfaces of corrugated fibers, when flowing air passes through the purifying and refrigerating system, the water in the water film will absorb bacteria, viruses, dust and heat in the air and take away the bacteria, the viruses, the dust and latent heat in quantity to achieve the purposes of purification, cooling, humidification and oxygen generation, and the multifunctional air purifier refreshes indoor air, eliminates static electricity and radiation, refreshes a user and improves disease resistance of the human body.

The invention provides a semiconductor device and method of manufacturing the same. A semiconductor device includes a substrate, a semiconductor element disposed on the substrate, and a heat conductive member composed of a solder material. The heat conductive member covers the semiconductor element, and is connected to a connection pad formed on the substrate. A heat radiator is disposed on the heat conductive member. The heat conductive member thermally connecting the semiconductor element to the heat radiator reduces the risk that electromagnetic noise may be emitted from or may be incident on the semiconductor element.

The invention relates to a waterproof box-type transformer station with a heat dissipation function. The waterproof box-type transformer station comprises a base and a box body and further comprises awaterproof mechanism and two ventilation mechanisms. Each ventilation mechanism comprises a ventilation component, a filter screen, an ash removing component and two support plates. The ventilation component includes a driving unit, a moving plate and a plurality of ventilation plates. The waterproofing mechanism comprises four lifting assemblies. Each lifting assembly comprises a power unit, a lifting plate and a support column. According to the waterproof box-type transformer station with the heat dissipation function, the ventilation mechanisms can open or close a vent, achieve a functionof heat dissipation, prevent excessively high temperature inside the box body from affecting the operation of the internal electronic components, and improve the safety of the box-type transformer station; the waterproof mechanism can raise the main body and prevents accumulated water from entering the box body and further affecting the operation of the electronic components.

The invention discloses a cooling device used for a hydrogen cell railway vehicle. The cooling device comprises an air filtering device, a water cooler, a top protection net, expansion tanks, water injection valves, shock absorbers, electrical connectors, a box, fan sets, water supply pipes, cooler water inlet pipes and cooler water outlet pipes. All the parts are integrated on the same box to be installed at the top of the railway vehicle. The cooling device can meet the cooling requirements of railway vehicles adopting power supply technologies of hydrogen cells different in power and grade, and the cooling technology and the cooling product are provided for railway vehicles, adopting the power supply technologies of hydrogen cells, in China.

The invention innovatively applies an abnormal piezocaloric effect material with negative thermal expansion properties in solid state refrigeration and / or heat storage application. An in-situ high-pressure differential scanning calorimeter test is carried out on a preferred material NH4SCN to verify that the abnormal piezocaloric effect material generates heat absorption phase change when pressureis applied and generates heat release phase change when the pressure is unloaded, the pressure can effectively control the heat absorption and release process of the phase change, heat can be effectively stored, and an experimental theoretical basis is provided for practical application of the abnormal piezocaloric effect material.