81results about How to "Short cooling time" patented technology

The invention relates to the technical field of mold machining, and discloses an automobile injection mold. The automobile injection mold comprises an upper mold and a lower mold. The upper mold is aconcave mold, and the lower mold is a convex mold. When the upper mold and the lower mold are clamped, a closed molding cavity is formed between the upper mold and the lower mold. An injection moldingchannel and a gas channel are arranged on the concave mold. An annular cavity is formed in the periphery of the gas channel. A gas outlet communicating with the annular cavity is formed in the gas channel. The gas outlet inclines downwards and faces the interior of the gas channel. A high-pressure gas cavity communicating with the annular cavity is formed in one side of the gas channel. A slidingblock is arranged between the high-pressure gas cavity and the gas channel and provided with a connector. A gas bag is arranged below the sliding block. An upper cooling channel communicates with thegas channel. The convex part of the convex mold comprises a balance cavity and a sliding plate. The sliding plate is in sliding connection with the convex mold and closes the balance cavity. A pressure reduction valve is fixed to the sliding plate. A limiting block is arranged on the sliding plate. A high-pressure gas pump and a lower cooling channel are arranged in the convex mold. The high-pressure gas pump communicates with the balance cavity. According to the automobile injection mold, plastic melt in the molding cavity can be fast cooled, and the mold molding efficiency can be improved.

The invention discloses an evaporation control device used in a refrigerating system, comprising a programmable evaporation controller, an electronic expansion valve and a sensor, wherein, the programmable evaporation controller is connected with the electronic expansion valve, and is connected with an evaporator through the sensor; and the electronic expansion valve is arranged on a refrigerant input pipeline of the evaporator; the sensor is used for detecting the temperature and the pressure in the evaporator, and outputting the detected temperature and pressure signals to the programmable evaporation controller; the programmable evaporation controller is used for receiving the detected temperature and pressure signals detected by the sensor; the opening and closing of the electronic expansion valve as well as the opening time and the opening of the electronic expansion valve are controlled according to the signals; and the electronic expansion valve is used for controlling the amount of the refrigerant entering into the evaporator under the control of the programmable evaporation controller, thus realizing the accurate control on the temperature in the evaporator. By utilizing the evaporation control device provided by the invention, the accurate control on the temperature and the pressure is realized, the reaction sensitivity is improved, and the energy consumption is lowered.

This invention provides a way to preserve water from the flowers un the process of vacuum pro-coldness when cut flowers. The factory is put the tidied flowers stem into the container with enough liquor. Ensure that the stem is under liquor. Put the probe into the liquor in the same time, and then put the container with flowers into the vacuum jug. Start the vacuum pump to depress the air pressure, accommodate the temperature to the required standard, close the vacuum pump, and then recover to normal pressure. This way can decrease the depletion of flowers in transport decreased water depletion, solved the problem of long distance transport. Promote the development of flowers commerce in our nation and other nations.

The invention discloses a semiconductor refrigeration high-power LED lamp, aiming at solving the junction temperature problem of a high-power LED lamp. The technical scheme adopted by the invention is as follows: a cold end of a semiconductor refrigeration sheet is connected with a module baseplate of a high-power LED module via a cold end metal sheet; a temperature sensor is mounted on or near the module baseplate, the temperature sensor is in electric connection with an upper-lower limit temperature control circuit, a temperature control switch in electric connection with the semiconductor refrigeration sheet is in electric connection with the upper-lower limit temperature control circuit, and a power supply is connected with the temperature control switch, the upper-lower limit temperature control circuit and the high-power LED module through a power supply switch respectively; the module baseplate, the cold end metal sheet and a radiator are connected together by a plurality of heat insulation bolts; and heat insulation materials are filled on the periphery of the semiconductor refrigeration sheet and between the radiator and the cold end metal sheet. According to the semiconductor refrigeration high-power LED lamp, the semiconductor refrigeration sheet is used for cooling actively and forcibly; the working temperature of the high-power LED module is reduced to below 40 degrees centigrade; and the luminous efficiency of the high-power LED is enhanced to the greatest limit.

The invention discloses a cooling structure of a driving motor, belongs to the technical field of motor cooling structures, and solves the technical problem that: the service performance of an automobile is reduced due to low heat exchange efficiency between cooling liquid and a stator of a structure in the prior art. The cooling structure is suitable for cooling a stator of a new energy automobile, the driving motor comprises a casing, an inner cavity is defined by the casing to install a stator iron core and an oil injection ring, a cooling oil way is arranged in an area defined by the oil injection ring, the casing and the stator iron core, cooling liquid can flow through the stator iron core and the oil injection ring, and at least the stator core can be cooled. The invention also discloses a driving motor cooling method designed by taking the cooling structure as a unit, an oil-cooled motor and an automobile. Functions of the driving motor are perfected, and the requirement of people for high heat exchange efficiency of the cooling liquid and the stator is met.

The invention belongs to the field of superconducting circular accelerators, and provides a cooling method for a superconducting magnet of a superconducting circular accelerator in order to solve the problems that in China, the existing cooling methods for superconducting magnets are complex in procedure and large in time consumption for cooling and the like. The cooling method includes the steps of (1) vacuumizing the superconducting magnet; (2) conducting liquid nitrogen refrigeration on the superconducting magnet, and meanwhile adjusting length of a pulling rod of the superconducting magnet in a radial direction; (3) exhausting liquid nitrogen and vacuumizing the superconducting magnet; (4) conducting liquid helium refrigeration on the superconducting magnet to complete cooling. The cooling method for the superconducting magnet of the superconducting circular accelerator adopts a two-segment cooling mode including a liquid nitrogen cooling process and a liquid helium cooling process; the cooling procedures are designed reasonably, the cooling time is short, the operation is convenient, and the cooling method can effectively reduce consumption amount of the liquid nitrogen and the liquid helium on the premise of meeting the cooling demands for superconducting coils.

The invention belongs to the field of vehicle engineering and discloses a quick safety cooling device for an organic heat transfer material heater of a heat source simulation system. The quick safety cooling device comprises a cooler, a cooling water pump, a cooling water tank, a front cooler valve, a water channel valve, a main loop valve and a rear cooler valve, wherein the main return valve is arranged on a main loop of the heat source simulation system, the cooler is in parallel connection with the main loop valve, the front cooler valve and the rear cooler valve are arranged at an oil inlet and an oil outlet of the cooler respectively, a water outlet of the cooling water tank is connected with a water inlet of the cooler through the cooling water pump, a water outlet of the cooler is connected with a water return opening of the cooling water tank, and the water channel valve is arranged on a connecting pipeline between the water outlet of the cooling water tank and the water inlet of the cooler and is in parallel connection with a tester. The quick safety cooling device has the advantages that by the aid of an open-type heat exchange mode, the problem that time for cooling the organic heat transfer material heater is long is solved, potential safety hazards during cooling of the organic heat transfer material heater are overcome, and accordingly, safety protection and energy conservation are achieved for the system.

The invention discloses a preparation method of a titanium-aluminum alloy target material. The preparation method comprises a powder mixing step, a filling step, a cold isostatic pressing step, a welding sheath degassing step, a hot isostatic pressing step, a slitting step, an alloying diffusion heat treatment step and a machining finishing step. The preparation method is simple in control, low inprocessing cost and high in processing efficiency.

The invention relates to a returning light processing device. The returning light processing device comprises a semiconductor refrigeration module, a black silicon structure absorption surface, a mechanical framework, an optical fiber clamp and an optical fiber. The mechanical framework is the framework of the returning light processing device and the internal of the mechanical framework is of a hollowed column structure; the black silicon structure absorption surface is arranged on the bottom surface of the hollow column structure of the mechanical framework; the semiconductor refrigeration module is arranged on the outer wall of the black silicon structure absorption surface; the outer side of the mechanical frame has the optical fiber clamp; the mechanical framework is integrated with the optical fiber clamp; and the optical fiber clamp clamps the tail end of the optical fiber. The returning light processing device does not need water cooling and air-cooled protection, can perform collection processing of returning light under hectowatt and satisfies application needs of a big power optical fiber laser.

The invention relates to a refrigeration system used in an infrared receiver, which comprises a gas tank and a valve used for controlling the efflux of gas in the gas tank; wherein the gas tank is internally provided with a first gas storage cavity and a second storage cavity which are mutual independence and both provided with air inlets and air outlets; the two air inlets are both sealed and provided with a gas charging retaining valve; and the two air outlets are both provided with the valves used for controlling the efflux of the gas in the gas tank; the valves are electrical explosion opening valves which comprise a first electrical explosion opening valve and a second electrical explosion opening valve; the first electrical explosion opening valve is communicated with the first gas storage cavity; and the second electrical explosion opening valve is communicated with the second gas storage cavity; the air outlet of the second electrical explosion opening valve is communicated with a reducing valve, the air outlet of the reducing valve and the air outlet of the first electrical explosion opening valve are both communicated with different air inlets of a gas circuit diverter valve. The refrigeration system adopts bipolar refrigeration, has long refrigeration time and good refrigeration effect and meets the operating requirements for the infrared receiver with the high precision.

The invention discloses a cooling device of electron beam selective melting forming equipment. The cooling device comprises a circulating air cooling device for cooling an electron beam selective melting forming chamber and a control device for controlling the circulating air cooling device, wherein the electron beam selective melting forming chamber comprises a forming chamber bottom wall, a forming cabin, a forming bottom plate and a lifting mechanism; the circulating air cooling device comprises a cooling air supplying device, a cooling block, two cooling side plates and a height detection unit; the cooling block is horizontally arranged above the forming chamber bottom wall and located in the forming cabin, and two cooling side plates are two side plates in the forming cabin; an in-plate cooling air runner is arranged in the cooling side plate, and an air inlet side cooling air runner, an air outlet side cooling air runner and an inter-side plate cooling air runner are arranged in the cooling block. The cooling device disclosed by the invention is simple in structure, reasonable in design, reliable in working performance, fast in cooling rate, good in use effect and capable of effectively solving the problem that the formed parts are low in powder pile cooling rate.

The invention discloses a cable cooling structure. The cable cooling structure comprises a box body and a water tank, wherein the box body is positioned in the water tank; openings are formed in the middle parts of two parallel side walls of the box body respectively, and center lines of the openings are overlapped; a water blocking box is arranged on the outer side of each opening; first round holes are formed in the side walls, opposite to the openings, of the water blocking boxes; V-shaped openings are formed below the first round holes; spraying devices are arranged on the inner sides of the openings and are fixedly welded on the side wall of the box body; third round holes are formed in the side walls, opposite to the openings, of the spraying devices; one nozzle is fixed on each of the upper part and the lower part of each spraying device; a sensor is arranged at the tail end of the box body; and the sensor is used for measuring the temperature of a cable and metering the length of the cable. According to the cable cooling structure, the nozzles simultaneously spray water to the cable, the surface of the whole cable can be well in contact with cooling water to perform heat exchange, the cooling effect is good, and the cooling time is short; furthermore, the quality of products is ensured, and meanwhile, water flowing into the water tank enters a water storage tank, so that the water can be recycled, and the energy source is saved.

The invention relates to a cooling device and especially relates to an auxiliary cooling device for fuel oil. The technical problem to be solved by the invention is to provide the auxiliary cooling device for fuel oil with low cooling time consumption. In order to solve the technical problem, the auxiliary cooling device for fuel oil, provided by the invention, comprises a vent pipe, a cooling box, an S-shaped radiating fin, a first slide rail, a first slide block, a first rack, a first support rod, a second support rod, a first radiating fin and a second slide rail; fans are arranged on left and right sides above the vent pipe; a rotating motor is arranged on a rear wall in the cooling box; a cap-shaped block is arranged on the front side of the rotating motor; a small belt pulley is arranged on the front side of the cap-shaped block; and the second slide rail is arranged under a right wall in the cooling box. The auxiliary cooling device for fuel oil can achieve the effects of high cooling speed of the fuel oil, simple structure and simple operation.

The invention belongs to the technical field of ion mobility spectrometry and provides an ion source and an ion mobility spectrometer. The ion source comprises a sample feeding tube, a condensation needle, a cooling component, a counter electrode plate and a high-voltage power source. The sample feeding tube is used for guiding a sample mixed in water vapor; the cooling component is connected with one end of the condensation needle and used for cooling the condensation needle to enable the sample in the water vapor to condense on the condensation needle; the high-voltage power source forms an electric field between the condensation needle and the counter electrode plate to break liquid drops condensed at the other end of the condensation needle into ionized mist moving towards the counter electrode plate. Compared with a traditional ion source, the ion source has advantages of low sample quantity, low required voltage and low power consumption.

The present invention discloses a medical cooling polymer hydrogel cold therapy patch and belongs to the technical field of medical polymer materials. The medical cooling polymer hydrogel cold therapypatch is mainly prepared from the following raw materials: polyphosphazene, selenium dioxide, silk fibroin, purple sweet potato powder, calcium chloride, xanthan gum, purified water, methylpyridine,polyethylene glycol, methyl iodide, sodium carboxymethyl cellulose, PVA, sodium tetraborate, sodium hydroxide, polypropylene glycol and a mixture of traditional Chinese medicines. The anti-aging hydrogel cold therapy patch is simple in preparation technology, suitable in gel strength and long in duration of cold compress curative effects, an ideal cold compress patch product, and suitable for large-scale production applications. A hydrogel layer combines traditional hydrogel cold compress and calcium chloride cold compress, and is good in auxiliary treatment effects, free of any side effects and easy to use.

The invention discloses an automobile die. The automobile die comprises an upper die body and a lower die body, wherein a closed forming cavity is formed between the upper die body and the lower die body when the upper die body and the lower die body are clamped, an injection molding channel and an air channel are formed in the upper die body, the injection molding channel communicates with the forming cavity, a heat conduction channel is formed in the upper die body and wraps the forming cavity, the air channel communicates with the heat conduction channel, symmetrical openings are formed inthe inner wall of the air channel, symmetrical adjusting sliding grooves are formed in the two sides of the outer wall of the air channel, symmetrical through openings are formed in the two sides of the side wall of each adjusting sliding groove, the bottoms of the adjusting sliding grooves abut against the heat conduction channel, air bags are arranged in the adjusting sliding grooves, sliding blocks are arranged on the air bags, inclined openings are formed in the middles of the two sliding blocks, and two high-pressure cavities and air pipes connected with the output ends of the high-pressure cavities respectively are arranged on the upper die body. According to the scheme, the cooling time is short, the efficiency is high, water can be saved, and the cost is reduced.