82results about How to "Even and stable heating" patented technology

The invention discloses a device and method for rapidly forming a metal part through induction heating. The device comprises a base plate, a front heating unit and an induction smelting unit. The base plate is located below the induction smelting unit and used as a platform for metal part forming. The front heating unit is located between the base plate and the induction smelting unit and used for forming a uniform temperature field. The induction smelting unit comprises a support and a smelting crucible arranged on the support. An induction coil is arranged on the smelting crucible. The outlet end of the smelting crucible is provided with a smelting crucible nozzle opposite to the base plate. The inlet end of the smelting crucible is connected with an air inlet through a rubber plug and used for providing inert gas for the smelting crucible. The method is used for achieving induction heating and rapid forming of the metal part through the device. The device and method have the advantages of being high in machining flexibility, small in subsequent machining amount and the like.

The invention discloses a vacuum coating machine. The vacuum coating machine comprises a vacuum chamber (1), wherein an electronic gun (2) and an auxiliary ion source (3) are arranged at the lower part of a cavity of the vacuum chamber (1), a substrate frame over against the electronic gun (2) and the auxiliary ion source (3) are arranged above the electronic gun (2) and the auxiliary ion source (3), a substrate heater (5) is arranged at the outer side of the substrate frame (4); a light-operated system (6) and a crystal-operated system (7) are arranged at a connecting part of the top of the substrate frame (4) and the cavity top of the vacuum chamber (1), the electronic gun (2), the auxiliary ion source (3), the light-operated system (6) and the crystal-operated system (7) are connected with a monitoring device through signal lines. The substrate heater is used for stably and uniformly heating the substrate before coating film so as to improve the compactness and the uniformity of the film; an ion beam is used for bombarding the growing film to form a film structure with uniform compactness, the stability and quality of the coated film are improved so that the aim of improving the optical and mechanical performances of the coated film is achieved.

The invention discloses a temperature measuring method for high frequency induction heating which is characterized by including the following steps of: A, confirming the central position of a measuring area according to the position of an annular loop; B, fixing an infrared temperature measuring sensor just above the central position of the measuring area and a measuring head is over against the central position; C, adjusting the infrared temperature measuring sensor into a working state; D, electrifying the sensor and reading an electric signal outputted by the sensor when heating; E, converting the electric signal into a temperature signal. The temperature measuring device and the temperature measuring method of the invention are adopted to carry out instant temperature measuring on high frequency induction heating, convert the obtained electric signal into the temperature signal by the calculation and processing of a computer, display the temperature signal and form a feedback control on the output power of the high frequency induction, thus being beneficial for the high frequency induction heating to be carried out uniformly and stably. The temperature measuring method has a simple structure, is conveniently operated and can accurately measure the temperature in real time.

The invention relates to a laboratorial culture tank and discloses a drying constant-temperature test box. The drying constant-temperature test box comprises an insulating layer, a constant-temperature air circulating device and a front door, wherein the insulating layer and the front door form a closed constant-temperature inner cavity; the constant-temperature air circulating device comprises a motor, a wind wheel and a circulating air duct; the motor drives the wind wheel to rotate, the circulating air duct comprises an air exhausting duct and an air inlet duct, one end of the air exhausting duct is connected with an air outlet of the wind wheel, the other end of the air exhausting duct is communicated with the constant-temperature inner cavity, the air exhausting duct comprises an air duct cover plate arranged above the wind wheel, one or more exhausting holes are formed in the air duct cover plate, an air velocity sensor is arranged between the air duct cover plate and a draught fan, a heating device is arranged on the inner side, close to the air inlet duct, of a first exhausting hole, and a temperature sensor is arranged between the first exhausting hole and the heating device. The drying constant-temperature test box has the advantages that stable hot air circulation can be realized in the constant-temperature inner cavity, and the test box can be uniformly heated, is good in temperature control effect and high in precision and has a high application value.

The invention discloses an electric heating device and system. The device comprises a heating body, two electrodes and a ceramic shell, wherein the two electrodes are connected to the two ends of the heating body, a cavity is formed inside the ceramic shell, the heating body is placed in the cavity, a notch which penetrates through the thickness direction of the ceramic shell and is communicated with the cavity is formed in the top of the ceramic shell, and the heating body is of a spiral structure. Due to the position of the spiral structure, the spiral axis of the spiral structure is approximately perpendicular to the extending direction of the notch from top to bottom, and a pair of twisted optical fibers extending in the thickness direction of the ceramic shell can enter the position between two spiral rings of the spiral structure downwards from the notch. Due to the facts that the electric-heating mode is adopted in the electric heating device, the heating body is of the spiral structure and is clamped by the ceramic shell, and the optical fibers are heated between the two spiral rings of the spiral structure, heating is even and stable, and the defect that flame heating is not stable or even enough is overcome. Meanwhile, temperature heat stress and structural heat stress are distributed reasonably, and positions with stress concentration do not exist.

The invention belongs to the technique of building material analysis and relates to a method for quickly analyzing a phase component of building gypsum. The defects in the prior art are as follows: the demand on analytical instrument is high, the demand on the test condition is high, the analysis time is long and the operation steps are complex. The method comprises the following three steps: for quickly finishing the phase component analysis for the building gypsum, by utilizing the principle that the building gypsum loses the adhered water at 50 plus/minus 5 DEG C, loses all the crystal water above 180 DEG C and can have hydration reaction with water, the anhydrous gypsum in the building gypsum can combine with water in a 95% ethanol solution so as to form the hemi-hydrated gypsum, and the dihydrate gypsum cannot be generated by combining the hemi-hydrated gypsum with the water, wherein the three steps are as follows: measuring the contents of the adhered water and the anhydrous gypsum, measuring the content and purity of the hemi-hydrated gypsum, and measuring the content of the dihydrate gypsum. The method provided by the invention has the advantages that the analysis device is simple, only one halogen moisture tester is required, the test time is short, and the analysis result has stability and repeatability.

The invention relates to material surface performance test equipment, and particularly relates to a vacuum high-temperature friction-wear tester. The tester is characterized in that a vacuum cover isarranged above a machine base, a force measuring assembly, an adjusting support, a heating furnace assembly and a cooling circulation system are arranged in the vacuum cover, the cooling circulation system is connected above the machine base, the heating furnace assembly is arranged in the cooling circulation system, a supporting connecting pipe is arranged at the left end of the vacuum cover, theadjusting support is connected in the supporting connecting pipe, the left end of the force measuring assembly is connected to the adjusting support, the right end of the force measuring assembly isconnected with a loading rod, the loading rod penetrates through the force measuring assembly, the heating furnace assembly comprises a furnace body, a heating cavity is formed in the furnace body, the loading rod is inserted into the heating cavity, a friction disc is arranged in the heating cavity, a detection piece is clamped between the loading rod and the friction disc, the lower end of the friction disc is connected with a rotating shaft, the rotating shaft penetrates through the heating furnace assembly and the cooling circulation system, the lower end of the rotating shaft is rotationally connected into the machine base, and the side wall of the vacuum cover is further connected with a molecular pump unit.

The embodiment of the invention relates to the technical field of electronic cigarettes, and discloses a heating device for heating a smoke cartridge. The device comprises an infrared ceramic assembly, a heating assembly and a power supply module, and is characterized in that the infrared ceramic assembly is in a hollow cylinder shape and is provided with an open cavity for accommodating the smokecartridge; the power supply module is connected with the heating assembly and used for supplying power to the heating assembly; and the heating assembly is arranged on the infrared ceramic assembly and used for heating the infrared ceramic assembly so as to excite the infrared ceramic assembly to radiate infrared rays and conduct infrared heating on the smoke cartridge. Compared with the traditional infrared coating heating, the heating device adopts the infrared ceramic assembly to radiate infrared rays to directly radiate and heat the smoke cartridge contained in the ceramic assembly, so that on one hand, infrared ray radiation is uniform and stable, and the smoke cartridge can be uniformly and stably heated, and on the other hand, shielding of other media is avoided, the infrared ray utilization rate is high, and the heating efficiency is also high.

The invention relates to a hot press molding mechanism for electrode lugs of lithium-ion power batteries. The hot press molding mechanism comprises a middle hot press mechanism and a metal conductor heating mechanism, wherein the middle hot press mechanism is used for compositing electrode lug adhesives and a metal conductor together through hot press. The middle hot pressing mechanism is provided with an upper hot press end socket and a lower hot press end socket which are synchronously and oppositely driven by cylinders. A left metal strap heating mechanism and a right metal strap heating mechanism are arranged on the two sides of the hot pressing mechanism respectively. Each metal strap heating mechanism is provided with an upper heating pipe and a lower heating pipe which are arranged on a support to form a 45-degree angle. The perpendicular distance between the surfaces of modulator tubes and the surface of a metal strap is 20 mm. The power of the four heating pipes is regulated to be the same. Every two heating pipes in the same set are on a perpendicular straight line and fixedly arranged on the two sides of the metal conductor to form a shape like a Chinese character 'ba'. The horizontal distance between the heating pipes and the end sockets is 15 mm. By means of the hot pressing forming mechanism, the hot sealing molding time of the power large electrode lugs can be effectively shortened, the excellent hot sealing adhesion effect is provided, the size stability and the appearance of rubber blocks molded through hot press are improved, the hot press molding mechanism is suitable for continuous production, and the production efficiency is improved.

A heater for the non-contact heating of an object, such as a substrate for material deposition, includes a housing defining a deposition cavity and a source of radiation outside the deposition cavity. A reflector is optically coupled to the source of radiation to collect the radiation and to focus it on the radiation path. The reflector may have different shapes. If, for example, the reflector is an ellipsoidal reflector, the source of radiation then is mounted in a first focus, the substrate is located in the other focus, and the radiation path is positioned on the main focal axis of the ellipsoidal reflector. The radiation from the source of radiation is delivered to the substrate inside the deposition cavity through a radiation path(s) formed in the housing wall to heat the substrate to the temperature T_s, so that T₁<T_s<T₂, where T₁ is the temperature of the housing wall, while T₂ is the effective temperature of the source of radiation.

The invention discloses an in-situ oxygen compensated-scanning electron vapor deposition (IOC-SEVD) device and a method thereof. The device comprises a vacuum system, an e-type electronic gun, a heater, a workpiece rotation holder and a control and display module, wherein the vacuum system comprises a vacuum pump and a vacuum cavity; the e-type electronic gun comprises an electronic gun emitting seat, an electronic gun deflection scanning magnetic field and a rotary water-cooling crucible; the heater comprises heater strips and a heating power supply connected through a circuit; the workpiecerotation holder comprises a rotation motor, a transmission shaft and a holder; and the control and display module comprises a device integrated state displayer and an electronic gun control panel. Themethod is that thermal barrier coating is prepared by utilizing the device. Through the device and the method, the thermal barrier coating with uniform columnar microstructures and high whole performance is prepared, so that the preparation requirements that the thermal barrier coating has high performance, high stability and high industrial productivity are met.

The invention provides a group erecting formwork for prefabricated parts. The group erecting formwork comprises a track system, a drive system and a formwork system, wherein the track system comprises two or more tracks, the drive system comprises a drive power source and a drive connecting device, the drive power source is connected with the track system through the drive connecting device, the formwork system is arranged on the track system and comprises a bottom formwork body, an erecting formwork body and a side formwork body, and the bottom formwork body, the erecting formwork body and the side formwork body are spliced to form a forming cavity for at least one prefabricated part. At least one of the bottom formwork body, the erecting formwork body and the side formwork body is of a two-layer structure, a cavity is formed in the middle of each two-layer structure, a liquid or gas dielectric heating source is arranged in each cavity, and in this way, the formwork system can be driven to move on the tracks horizontally to carry out formwork splicing and disassembling, which is beneficial for improving the production efficiency; by means of the dielectric heating sources, it can be ensured that the group erecting formwork can be used normally in a low-temperature environment, and the production quality of the prefabricated parts is improved.

The invention provides a pre-welding preheating and post-welding heat treatment device for a tank body. The device comprises rollers, electric heating bands, calipers, a temperature controller, two positioners and hinges. The two electric heating bands are disposed around the tank body and distributed on both sides of a weld joint, and the calipers are arranged on both sides of the electrical heating bands. One ends of the calipers operatively clamp the sides of the electric heating bands, the other ends of the calipers are rotatably connected to the rollers, and the hinges are connected to the electric heating bands. The ends, away from the electric heating bands, of the hinges are fixed. The heating temperature of the electric heating bands is controlled through the temperature controller, pre-welding preheating, during-welding heat preservation and post-welding heat treatment of the tank body are achieved, and the tank body does not need to be transferred in the whole heat treatmentprocess. The electric heating bands are connected with the rollers through the calipers and tensioned through the hinges, so that the electric heating bands cannot rotate along with the tank body, heating is uniform and stable, equipment connected with the electric heating bands cannot be twisted, and the practicability is high.

The invention discloses a wood soaking treatment method. The wood soaking treatment method includes steps of shifting equipment by travel wheels 21, driving lead screws 25 to rotate by a motor after the equipment is shifted to reach specified locations, driving sliders 24 to slide along the horizontal directions by the lead screws, and allowing the sliders 24 to pass connecting rods 23 to drive support plates 22 so as to put up a base body 20 and separate the travel wheels 21 from a bottom surface. The wood soaking treatment method has the advantages that the soaking equipment can be conveniently shifted by the travel wheels, and accordingly the shifting cost for the soaking equipment can be reduced; the travel wheels can be put up by the support plates after the soaking equipment is shifted to reach the specified locations, and accordingly the stability of the soaking equipment can be improved when the soaking equipment is placed; wood can be layered by a soaking frame, waterproof agents can be stirred by heating pipes, and automatic communication channel selection of temperature measurement nodes in a soaking tank and the soaking frame can be effectively matched.

The invention relates to the technical field of silkworm cocoon processing, in particular to a silkworm cocoon evacuation direct steaming device. The device comprises an outer barrel body and an innerbarrel body, a sealing end cover is arranged at an opening structure, the inner barrel body is arranged inside the outer barrel body, a plurality of vent holes are formed in the barrel wall of the inner barrel body in an uniform array, a steam pipe is arranged in the gap between the inner barrel body and the outer barrel body, and an evacuation tube is arranged at the bottom of the outer barrel body. The silkworm cocoon evacuation direct steaming method using the above device places silkworm cocoons into a net bag, then places the silkworm cocoons inside the inner barrel body, uses an evacuation pump to evacuate the inside of the outer barrel body, and conducts heating by the steam pipe, the taken silkworm cocoons are allowed to stand, and a follow-up silkworm production process is entered. The silkworm cocoon evacuation direct steaming device and the silkworm cocoon evacuation direct steaming method using the device can effectively improve the purity and yield of a silk yarn producedthrough the silkworm cocoons by a reasonable device structure design and a process design, and simultaneously make the level of the silk yarn reach 5A.

The invention relates to a processing method for improving the toughness of a bar material. According to the processing method, the bar material is heated to a preset temperature through an electromagnetic induction heating furnace, the temperature of the heated bar material is stabilized to be in a preset temperature floating range through an infrared temperature control device, so that heating of the bar material is uniform and stable, moreover, the bar material can be kept in the preset temperature floating range before twisting, the stability and the uniformity of the bar material during twisting are guaranteed, and then the strength coefficient of the formed bar material is uniform and stable; and the strength coefficient of the bar material can be improved by 20-30% by twisting the bar material by a preset angle, one end, mounted close to the rotating end of a twisting device, of the twisted and formed bar material and one end, mounted close to the fixed end of the twisting device, of the twisted and formed bar material are removed, and then the bar material is evenly cut into a plurality of sections so that the different use requirements for supporting strength and installation space in a vehicle can be met, moreover, processing is convenient, and the acquisition is easy.

The invention relates to the field of the electrolytic technology, and especially discloses a testing method and device for the accelerated life of an oxygen evolution titanium anode. The device comprises a power supply, a flask, a warm water bath and a titanium plate, and the interior of the flask is provided with electrolyte. The body of the flask is disposed in the warm water bath. The oxygen evolution titanium anode and the titanium plate are respectively inserted into the electrolyte in the flask. The positive electrode of the power supply is connected with the oxygen evolution titanium anode, and the negative electrode of the power supply is connected with the titanium plate. The device improves the testing stability and precision of the accelerated life of the oxygen evolution titanium anode, does not cause harmful gas during testing, and is good in environmental protection performance.