12results about How to "Even heat distribution" patented technology

The utility model relates to the technical field of heating equipment, and provides a heating device. The heating device comprises a box body, an air blowing component and a heat exchange assembly. Wherein a cavity is formed in the box body, an air outlet is formed in one end of the box body, an air inlet is formed in the other end of the box body, and the air outlet and the air inlet are both communicated with the cavity; the air blowing component is arranged in the cavity and used for forming air flow in the cavity, and the air flow flows from the air inlet to the air outlet; the heat exchange assembly is arranged in the box body and used for conveying heat in the warm air into the cavity. A first cover body is arranged at the air outlet and is used for blocking the air outlet; the air inlet is provided with a second cover body which is used for blocking the air inlet. According to the utility model, the defect that the heating equipment for directionally controlling the warm air in the prior art cannot utilize heat in the warm air is overcome, and the heating equipment which can utilize the heat in the warm air and can directionally and centrally control the flow direction of the warm air is realized.

This invention provides an active heating method and system for a two-dimensional turntable servo mechanism, belonging to the field of laser communication technology. The method includes acquiring the feedback temperature and motor torque of the azimuth or pitch axis; when the motor torque is zero and the difference between the feedback temperature and the preset temperature is outside the preset temperature range, heating is performed by determining a first heating power based on the first d-axis current and the electrical control angle; when the motor torque is not zero and the difference between the feedback temperature and the preset temperature is outside the preset temperature range, heating is performed by determining a second heating power based on the second d-axis current and the q-axis current, until the temperature difference returns to the preset range and heating stops. This invention utilizes the heat generated by the motor's own current to replace external heating devices, achieving uniform heating from within, effectively reducing deformation and frictional torque fluctuations in key moving parts caused by temperature gradients, and improving the turning table's pointing accuracy and thermal stability under extreme temperature changes.

The utility model provides a follicle flushing liquid constant-temperature device which comprises a constant-temperature box, a box body cover plate is rotationally connected to the constant-temperature box, a fixing opening is fixedly connected to the box body cover plate, the fixing opening is connected with a flushing assembly, an extrusion assembly is arranged in the constant-temperature box, and the extrusion assembly is connected with a constant-temperature assembly. The extrusion assembly achieves the stable and continuous flushing effect and controls the flushing force, the constant-temperature assembly achieves uniform dispersion of heat, so that flushing liquid can be continuously heated, the temperature sensor achieves temperature regulation and control, the constant-temperature state of the flushing liquid is achieved, and the flushing assembly guarantees sterility of medical supplies in contact with the flushing liquid. And control over the flushing flow can be achieved through the arranged flow adjusting valve.

The utility model belongs to the technical field of automobiles, and discloses a battery pack and a vehicle, the battery pack comprises a battery module, a liquid cooling plate and a heating film, the two end faces of the heating film are connected to the battery module and the liquid cooling plate respectively, and the heating film comprises a first heating film and a second heating film which are arranged at an interval; the second heating film is located on the inner side of the first heating film, and the heating area of the first heating film is larger than the heating area of the second heating film, so that the connection stability of the liquid cooling plate and the battery module is guaranteed, the cooling effect on the battery module is guaranteed, and in addition, when the battery module is cooled or heated, the battery module is cooled or heated. And the heat distribution of the battery module is more uniform, so that the performance of the battery pack is ensured.

The application relates to the technical field of flue gas heat recovery equipment, in particular to a heating furnace cooling device which comprises a cavity, a motor, a liquid receiving hopper, a mixing cavity, a movable cavity and a heat insulation cavity, the upper and lower ends of the cavity are respectively provided with a spraying pipe and a flue, a liquid discharge pipe is arranged at the bottom of the cavity, the motor is fixedly arranged at the top end of the cavity, a first fan blade is arranged on the rotating shaft of the motor, a second fan blade and a stirring blade are arranged in the liquid receiving hopper, the mixing cavity is arranged at the top of the cavity, the movable cavity is cooperated with the mixing cavity and a connecting pipe at two ends, and the heat insulation cavity surrounds the side of the cavity. The device directly contacts the flue gas with the water mist-shaped heat conducting medium without a medium layer in the middle, the contact area is large, the heat exchange rate is fast, the cooling and heat recovery of the flue gas can be rapidly completed, the position of the movable cavity and the rotating speed of the stirring blade can be self-adaptively adjusted according to the flue gas inflow, and the flue gas and the adaptive amount of the heat conducting medium can be fully mixed to complete the heat exchange and cooling process.

The utility model belongs to 3D printing technical field discloses a kind of high-temperature 3D printers of printable PEEK material, including mobile spray head assembly, box body assembly, lift printing platform, control system, frame, the mobile spray head assembly is installed at the top of box body assembly, the mobile spray head assembly includes printing spray head, wire-feeding mechanism and X axis, Y axis horizontal direction moving part, the outside of printing spray head is provided with water-cooling heat dissipation pipe cover, the wire-feeding mechanism is installed above printing spray head, and the printing spray head is installed on the printing spray head support of X axis, Y axis horizontal direction moving part.The utility model designs the heat preservation cavity of airtight, heating element and air supply element are configured in heat preservation cavity, can manufacture circulating heat flow in cavity, ensure that the heat distribution of printing piece near in cavity is uniform, temperature is reasonable controllable, alleviate temperature gradient phenomenon when printing piece cooling, so that printing piece obtains better forming precision and mechanical property.

This utility model belongs to the field of microwave oven technology, specifically referring to a microwave oven door and microwave oven, comprising: an outer door glass; an inner cover fixed to the inner side of the outer door glass; the inner cover having a shielding mesh portion and a wave-damping portion located on the outer edge of the shielding mesh portion; an inner door glass fixed to the shielding mesh portion of the inner cover; and at least one central glass fixed in the inner cover; wherein the inner cover is made of metal. The inner cover involved in this patent is made of metal, ensuring that it is a single, integral structure; during microwave oven operation, the metal inner cover has better temperature resistance and more uniform heat distribution, effectively avoiding the risk of the door material melting due to overheating. Furthermore, this patent further enhances the heat insulation effect by installing an inner door glass on the inner cover, ensuring that the door temperature remains within a safe range, thereby reducing the risk of burns.

The invention discloses a 1.5 [mu] m erbium-ytterbium co-doped fiber laser amplifier, which belongs to the technical field of fiber laser amplifiers and comprises a pumping source, a pumping coupler, a low-absorption-coefficient gain fiber, a high-absorption-coefficient gain fiber and a cladding light stripper. The low-absorption-coefficient gain optical fiber and the high-absorption-coefficient gain optical fiber are Er < 3 + > and Yb < 3 + > co-doped active optical fibers, the pumping coupler couples externally transmitted 1.5-micron signal light and pumping light output by the pumping source, and 1.5-micron laser amplified by the low-absorption-coefficient gain optical fiber and the high-absorption-coefficient gain optical fiber sequentially passes through the cladding light stripper and then is output. The 1.5 [mu] m erbium-ytterbium co-doped fiber laser amplifier provided by the invention can inhibit generation of 1 [mu] m ASE (Accelerated Solvent Erbium) laser and reduce heat production of a fiber entrance point of a laser, thereby realizing high-power 1.5 [mu] m laser output.

The utility model relates to the technical field of experimental equipment, and discloses an experimental fermentation tank which comprises a connecting frame, moving wheels are mounted at four corners of the bottom of the connecting frame, a tank body is mounted in the connecting frame, a pressure release valve is mounted at the top of the tank body, and a heating groove is formed in the tank body. By arranging the lifting assembly, when heating is needed, a power source is started, a heating component starts to provide heat, then a driving motor is started, the driving motor drives a driving bevel gear to rotate, a driven bevel gear drives a long rod to rotate, and then a cam continuously rotates and continuously strikes the inner wall of a lifting frame; the lifting frame drives the lifting rod to lift and move in the vertical direction, so that the heating component lifts and moves in the vertical direction, the situation of local overheating is avoided, heat on the inner wall of the tank body is distributed more uniformly, and the situation of non-uniform microorganism distribution caused by non-uniform heat distribution is reduced.

The utility model discloses a drying device is washed to high pressure hydraulic pump, including drying box, the both sides fixed leg of drying box are located the right side upper end through bolt fixing and have control box, the centre position of drying box top is set up and has the slot of the through -going structure. The utility model through the heating pipe of spiral type winding structure of distribution has been arranged on the inner box, and the heating pipe can transmit the heat to the workpiece through the transmission hole, can make the element heat distribution more uniform, cooperate the temperature sensor in the inner box, can accurate control temperature, avoid because the heat is too and injures the workpiece, through the multistage hydraulic cylinder of fixed in drying box top, multistage hydraulic cylinder control connecting frame elevating, not only is convenient for the taking of workpiece, easy operation, high efficiency, and the workpiece after drying can directly be placed on the placing table and rise to drying box, after the workpiece cooling, take again, need not the tool to take, avoid the tool to injure the workpiece, improved the security.

The utility model provides a kind of hot blast furnace with good smoke exhaust effect, comprising: outer box, inner box is installed in outer box, the top of inner box is installed with smoke exhaust fan, the air inlet of smoke exhaust fan is communicated with inner box by smoke collection cover, the air outlet of smoke exhaust fan is connected to the outside of outer box by smoke exhaust pipe, the backboard of inner box is set as uniform wind board, hot blast cavity back seal plate is installed in the rear of uniform wind board, hot blast cavity back seal plate is enclosed with uniform wind board, inner box between and form hot blast circulation cavity, first hot blast circulation component and second hot blast circulation component are installed in the hot blast circulation cavity with side spacing, upper electric heating wire row group is installed in the top inner side of inner box, lower electric heating wire row group is installed in the top of inner box bottom, uniform wind orifice plate is installed above lower electric heating wire row group. This hot blast furnace is simple in structure, reasonable in design, has good smoke exhaust effect, and has good hot blast circulation efficiency and the uniformity of baking heat distribution.

This utility model provides an antibacterial hand sanitizer gel mixing and homogenizing device, including a fixed shell, on which an antibacterial hand sanitizer gel mixing shell is fixedly connected to the top side wall of the fixed shell, and a water circulation structure disposed on both sides of the fixed shell. An electric heating rod heats clean water, and a water pump pumps water to better and more evenly mix the water, facilitating uniform heating during the mixing of the antibacterial hand sanitizer gel. A motor drives a stirring rod to stir the mixture while simultaneously scraping off material adhering to the inner wall of a scraper. A rotating rod drives a conical gear to rotate around a second conical gear, which in turn rotates, driving a stirring plate to rotate, thus tumbling and stirring the material, ensuring better uniform mixing within the antibacterial hand sanitizer gel mixing shell.