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38results about How to "Uniform temperature change" patented technology

Vacuum cooling-heating stage for grazing incidence X-ray small-angle scattering experiment

The invention relates to a vacuum cooling-heating stage for grazing incidence X-ray small-angle scattering experiment, comprising: a chamber providing a closed space; a vacuum connector communicated with the closed space; a variable temperature block disposed in the closed space, wherein a cable of the variable temperature block and a liquid nitrogen access pipeline pass through a variable temperature block fixing seal window to be connected with a temperature control device outside the closed space, and the top surface of the variable temperature block is provided with two raised screw heads; a sample tray for holding a sample, wherein a plurality of angle positioning holes in central symmetry are distributed in the sample tray and angularly mate with the raised screw heads; an incident seal window and an emergent seal window facing each other and fixed to the chamber, wherein X-ray passes through the incident seal window and irradiates to the sample at the grazing incidence angle of 0-2 DEG to produce scattering X-ray, and passes through the emergent seal window into a detector. The vacuum cooling-heating stage changes the temperature of a sample through the variable temperature block and the sample tray, uniform temperature variation is ensured for the sample, and in-plane rotational experiment of the sample can also be achieved.
Owner:SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI

System and method for shutdown cooling of high-temperature gas cooled reactor nuclear power station

The invention discloses a system and a method for shutdown cooling of a high-temperature gas cooled reactor nuclear power station. The system comprises an evaporator, an evaporator outlet valve set, asteam separator, an evaporator inlet valve set, a bypass valve set, a high-pressure heater, an auxiliary steam header, a condenser, a water feeding pump and a deaerator. The method comprises the following steps: 1) steam in the auxiliary steam header is introduced in a steam side of the high-pressure heater and the deaerator to increase the water feeding temperature in an inlet of the evaporator;2) the water feeding pressure in the inlet of the evaporator is adjusted by the water feeding pump; and the water injecting flow of the evaporator is controlled by an adjusting door in the inlet of the evaporator, so that the cooling speed of the evaporator is further controlled; and the pressure of the evaporator is controlled by an adjusting door in an outlet of the evaporator; 3) a working medium in the outlet of the evaporator is discharged into the steam separator; 4) the pressure of the steam separator is controlled by a bypass adjusting valve and auxiliary steam fed in the steam separator; and 5) water in the steam separator is recovered to the main deaerator to build a two-loop water cycle to cool the evaporator.
Owner:XIAN THERMAL POWER RES INST CO LTD

Glass rod material preparation method and preparation device

The invention relates to a glass rod material preparation method and a glass rod material preparation device. The glass rod material preparation method comprises the following steps: (a) putting a material into a material barrel; (b) feeding protection gas into the material barrel, a forming mold and a collimating mold; (c) controlling a heating unit to perform heating, preserving the heat till the temperature in the heating unit reaches softening temperature Ts of the material, controlling an annealing unit to be heated, and preserving the heat till the temperature in the annealing unit reaches annealing temperature of the material; (d) extruding the softened material, wherein after passing through the material barrel and being prepared into a rod material through the forming mold, the material enters the collimating mold; (e) enabling the heating unit to stop heating, naturally cooling the heating unit, preserving the heat of the annealing unit, and after the annealing unit is subjected to heat preservation for T, naturally cooling the annealing unit; and (f) after the annealing unit is cooled, taking out the material, and collimating and forming the material through the collimating mold, thus preparing the glass rod material. The forming mold is detachable, thus facilitating production of glass rod materials with different sizes; and furthermore, one forming mold can be provided with multiple through holes, so that the glass rod material production efficiency is improved.
Owner:NINGBO SUNNY INFRARED TECH COMPANY

Multilayer carbon nano tube thin film stacked loudspeaker based on thermoacoustic effect

The present invention provides a multilayer carbon nano tube thin film stacked loudspeaker based on a thermoacoustic effect, belonging to the field of mechanical design. The loudspeaker comprises an outer frame and multiple layers of carbon nano tube thin films which are parallel to one another and connected in parallel, and the number of the layers is at least 2 and at most 4. The carbon nano tube thin films are formed by carbon nano tubes, the two ends of the carbon nano tube thin films are connected with metal electrodes which are fixed on the outer frame, the metal electrodes at the same side are connected with the same wire, and the metal electrodes connected with each layer of carbon nano tube thin film are not in contact. Sound production elements generate corresponding temperaturechange according to accessed audio signals to allow mediums around to rapidly expand and extract to emit sound waves. The loudspeaker provided by the invention has no a vibration part to avoid a resonance effect; the multilayer carbon nano tube thin film stacked loudspeaker is simple in structure and few in consumable items required by making, can be made to be any shape as required, and the soundfield medium is uniformly heat without a segmentation vibration phenomenon; and the loudspeaker provided by the invention can generate high-volume sound in an audible sound range, and can be appliedto audible sound devices such as a sound and a radio.
Owner:DALIAN UNIV OF TECH

High-efficiency conveying mechanism for annealing processing of glass product

The invention relates to the technical field of glass manufacturing, and discloses a high-efficiency conveying mechanism for annealing processing of a glass product. The mechanism comprises a box body, wherein a material clamping cavity is formed in the middle part of the box body, a rotating frame is movably connected to the middle part of the material clamping cavity, and a lower fixing seat isfixedly connected to one side of the rotating frame. According to the invention, an automatic turnover mechanism is additionally arranged; when a to-be-treated glass tube is in a heating stage, a heatpreservation stage and a rapid cooling stage, gas passing through a gas pressure cavity has pressure changes due to different temperatures, and the gas pressure cavity is subjected to pressure reliefand negative pressure filling through gas outlet holes with small diameters, so an upper ratchet plate and a lower ratchet plate extend or retract under the action of the pressure changes; a rotatinggear rotates through a ratchet end, so a supporting frame drives the to-be-treated glass tube to turn over; and thus, the glass tube can be automatically turned over during temperature rise, the glass tube is heated uniformly, and can be turned over multiple times in the heat preservation stage and the rapid cooling stage, and the upper side and the lower side of the glass tube are heated more uniformly.
Owner:来安县华阳玻璃制品有限公司

Temperature characteristic testing apparatus for Young modulus of metal wire and testing method thereof

The invention relates to a testing apparatus for a metal material, and particularly relates to a temperature characteristic testing apparatus for a Young modulus of a metal wire and a testing method thereof. The temperature characteristic testing apparatus comprises a fixing rack, wherein one end of the metal wire is fixedly arranged on one end of the fixing rack, while the other end of the metal wire is connected with an electronic portable scale; the electronic portable scale is connected with the other end of the fixing rack; the metal wire is stressed to be tightened; in an experimental area for the metal wire, the edges of the experimental area are provided with one digital microscope respectively; the digital microscopes are connected with a computer; a steel rule is also mounted in the experimental area; a probe of a two-channel digital thermometer is connected to the middle of the experimental area for the metal wire; the outer sides of two ends of the experimental area for the metal wire are connected onto a low-frequency alternating-current transformer respectively; the low-frequency alternating-current transformer is also connected with a power supply; a resistance changing box is connected in series between the low-frequency alternating-current transformer and the power supply. According to the temperature characteristic testing apparatus and the testing method thereof, a heating method of realizing impedance conversion by using the alternating-current transformer is provided; the temperature change of the metal wire is achieved by utilizing a current generating circuit; a numerical value which is accurately measured is obtained.
Owner:FUJIAN NORMAL UNIV

Electronic equipment and temperature control method thereof

The invention relates to the field of electronic equipment, and discloses a piece of electronic equipment and a temperature control method thereof. The electronic equipment comprises a housing, a temperature detection device, a heating component, a refrigeration component, and a main control unit. The housing consists of an inner wall and an outer wall arranged opposite to the inner wall, and an interlayer area is formed between the inner wall and the outer wall. The temperature detection device is arranged in the interlayer area, and detects the temperature in the interlayer area. The heatingcomponent is arranged in the interlayer area. The refrigeration component is arranged in the interlayer area. The main control unit is electrically connected with the temperature detection device, the heating component and the refrigeration component. The main control unit opens the refrigeration component when the temperature value received is higher than an upper limit threshold, and opens theheating component when the temperature value received is lower than a lower limit threshold. Compared with the prior art, the temperature in the electronic equipment can be controlled, so that the battery and other components are protected from damage, the service life of the electronic equipment is prolonged, it is ensured that the electronic equipment can work normally at different external temperatures, the user experience is enhanced, and the use range is increased.
Owner:SHANGHAI YUDE TECH CO LTD

Manufacturing method and manufacturing equipment of vacuum glass

The invention provides a manufacturing method and manufacturing equipment of vacuum glass. The manufacturing method comprises the following steps of A, glue dotting on a first glass sheet; B, glue curing and glass tempering; C, placing of the glass sheet; D, vacuum sucking, heating, and sheet closing; E, fetching out. The manufacturing method has the advantages that while the first glass is tempered, the glass powder glue, blocking glue and fulcrum glue are cured, and the glass tempering and the glue curing are simultaneously completed, so that the technology steps are simplified, the preparation time is shortened, and the adhering strength between the glass powder glue, the blocking glue as well as the fulcrum glue and the first glass is improved; by respectively arranging heating bodiesat the upper part and lower part, the heating speed of each glass body is favorably improved; the heat is transferred to the glass in a contact heating way, so that the heat loss is reduced, and the energy-saving effect is realized; the uniform change of temperature at each part of the glass sheet is favorably guaranteed in the heating process; by arranging the blocking glue, the influence to theappearance quality of the vacuum glass due to the flowing of the melting glass power glue to the interior in a tempering furnace is avoided.
Owner:张艳乡

Temperature control system for battery packs

The invention discloses a temperature control system for battery packs. The temperature control system for the battery packs comprises the battery packs, an ECU (electronic control unit), a constant-temperature tank filled with insulated oil liquid, an oil liquid filter, a radiator, a heater, an oil pump controller and an oil pump. The constant-temperature tank is provided with an oil outlet and an oil inlet, a plurality of temperature sensors are arranged on the surface of the constant-temperature tank, the temperature sensors, the radiator, the heater and the oil pump controller are respectively electrically connected with the ECU, the oil pump is connected with the oil pump controller, the oil liquid filter is respectively communicated with the oil outlet of the constant-temperature tank and an oil inlet of the oil pump through pipelines, an oil outlet of the oil pump is communicated with the radiator through a pipeline, and the heater is respectively communicated with the oil inlet of the constant-temperature tank and the radiator through pipelines. The temperature control system for the battery packs has the advantages of simple structure, low cost, high safety and the like, the temperature of the battery packs can be constantly controlled within a normal working temperature range, working efficiency of the battery packs is effectively improved, and the service life of the battery packs is effectively prolonged.
Owner:SOUTH CHINA UNIV OF TECH

Temperature circulation box for chip security detection

The invention discloses a temperature circulation box for chip safety detection, and belongs to the field of chip safety detection. The technical key points are that the temperature circulation box comprises a circulation box and a temperature control mechanism, the temperature control mechanism is installed in the circulation box, and an air supply pipe and a recovery pipe are installed on the temperature control mechanism; the inner side of the circulation box is fixedly provided with shelving frames which are arranged at equal intervals, the shelving frames are provided with detection discs, the inner side of the circulation box is fixedly connected with detection plates which are arranged at equal intervals, the detection plates and the shelving frames are arranged in a staggered mode, and the bottoms of the detection plates are provided with thermoelectric refrigeration sheet groups. According to the invention, chips to be detected can be separated, the situation that other chips to be detected are influenced when the chips burst, and consequently the detection structure is not accurate is avoided, meanwhile, the interior of the temperature circulation detection box is protected, a temperature changing mode is selected according to the use requirements of a user, the test requirements are met, and the practicability is higher.
Owner:苏州杰裕恩信息技术有限公司

Rail vertical rolling method

The invention discloses a vertical steel rail rolling method. Four-roller universal rolling mills are arranged. The method includes that both a steel-rail finished product frame and a finish rolling frame adopt a four-roller mode, are of a vertical structure and are configured with a single hole pattern, horizontal rollers are main driving rollers, and the diameter of each horizontal roller is 0.6-1.0 times of that of each vertical roller so as to guarantee that the horizontal rollers contact with a rolled piece firstly; each of the steel-rail finished product frame and the finish rolling frame is provided with an edging mill E; tilting is performed before the rolled piece enters the finish rolling frame; on the finish rolling frame, the railhead of the rolled piece is rolled vertically and upwardly, and the finish rolling frame cooperates with the edging mill to finish precision control on rail height size of the rolled piece; on the finished product frame, the rolled piece is trimmed on the edging mill E prior to being rolled in the universal vertical finish rolling machine UF to form a finished steel rail. By the method, the defects of water tank influence, gravity influence and the like in the prior art are eliminated, production difficulty is improved, product quality is improved, and production cost can be lowered effectively.
Owner:INNER MONGOLIA BAOTOU STEEL UNION

Tab molding mechanism, molding method and tab molding equipment

The invention discloses a tab molding mechanism, molding method and tab molding equipment. The tab molding mechanism comprises a DC power supply, a laminating mechanism formed on a metal belt, and a conducting mechanism formed below the metal belt; the conducting mechanism comprises a first electrode and a second electrode arranged at the locations without tab sealant on the corresponding metal belt at two sides of the tab sealant; the positive electrode of the DC power supply is connected with the first electrode, and the negative electrode of the DC power supply is connected with the secondelectrode; in the thermal compounding, the laminating mechanism and the conducting mechanism are adhered at the metal belt locations at two sides of the tab sealant; a loop is formed among the positive electrode of the DC power supply, the first electrode, the metal belt, the second electrode and the negative electrode of the DC power supply; the DC power supply outputs the current, and the metalbelt between the first electrode and the second electrode are heated under the current thermal effect so that the tab sealant is hot-molten on the metal belt; the production efficiency is effectivelyimproved, the product quality is improved, and the energy loss is reduced.
Owner:深圳市鑫科高创科技有限公司

Doors and windows for regulating the temperature in a sunny house

The invention discloses a door and window for adjusting the temperature in a sunshine house. The door and window comprises hollow glass plates, wherein the hollow glass plates are connected in order. A vent pipe is arranged between every two adjacent hollow glass plates, draught fans communicate with the tops of the vent pipes, and openings are formed in the two side walls of each vent pipe correspondingly; through holes communicating with the openings on the same sides are formed in the side walls, facing the vent pipes, of the hollow glass plates correspondingly, inserting plates used for blocking the through holes are inserted into the hollow glass plates correspondingly, and telescopic rods used for controlling the inserting plates to move up and down are connected with the tops of the inserting plates correspondingly; and a heating device is arranged in one of the two adjacent hollow glass plates, a condensing device is arranged in the other one of the two adjacent hollow glass plates, and vent holes are formed in inner glass plate bodies of the hollow glass plates. According to the door and window for adjusting the temperature in the sunshine house, the heating devices and the condensing devices are installed in the hollow glass plates correspondingly so that the temperature in the sunshine house can be extensively and rapidly adjusted.
Owner:四川爱斯兰特门窗科技有限公司

Door window for regulating temperature in sunshine room

The invention discloses a door window for regulating the temperature in a sunshine room. The door window comprises hollow glass plates which are connected in sequence, ventilating pipes are arranged between the adjacent hollow glass plates, and fans communicate with the tops of the ventilating pipes; openings are formed in the two side walls of the ventilating pipes, and a through hole which communicates with the opening on the same side is formed in the side wall, facing towards the corresponding ventilating pipe, of each hollow glass plate; an inserting plate which blocks the corresponding through hole is inserted in each hollow glass plate; a telescopic rod which controls the corresponding inserting plate to move up and down is connected to the top of each inserting plate; a heating device is arranged inside one of the two adjacent hollow glass plates, and a condensing device is arranged inside the other hollow glass plate of the two adjacent hollow glass plates; and a ventilating hole is formed in an inner glass plate of each hollow glass plate. According to the door window for regulating the temperature in the sunshine room, the temperature in the sunshine room can be rapidlyadjusted in a large range by additionally mounting the heating devices and the condensing devices inside the hollow glass plates.
Owner:曾国春

A multi-layer carbon nanotube film stack loudspeaker based on thermoacoustic effect

The present invention provides a multilayer carbon nano tube thin film stacked loudspeaker based on a thermoacoustic effect, belonging to the field of mechanical design. The loudspeaker comprises an outer frame and multiple layers of carbon nano tube thin films which are parallel to one another and connected in parallel, and the number of the layers is at least 2 and at most 4. The carbon nano tube thin films are formed by carbon nano tubes, the two ends of the carbon nano tube thin films are connected with metal electrodes which are fixed on the outer frame, the metal electrodes at the same side are connected with the same wire, and the metal electrodes connected with each layer of carbon nano tube thin film are not in contact. Sound production elements generate corresponding temperaturechange according to accessed audio signals to allow mediums around to rapidly expand and extract to emit sound waves. The loudspeaker provided by the invention has no a vibration part to avoid a resonance effect; the multilayer carbon nano tube thin film stacked loudspeaker is simple in structure and few in consumable items required by making, can be made to be any shape as required, and the soundfield medium is uniformly heat without a segmentation vibration phenomenon; and the loudspeaker provided by the invention can generate high-volume sound in an audible sound range, and can be appliedto audible sound devices such as a sound and a radio.
Owner:DALIAN UNIV OF TECH
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