38results about How to "Uniform surface temperature distribution" patented technology

The present invention relates to a heat exchanger, in which inlet and outlet side heat exchange parts are communicated with each other and have the same refrigerant flowing direction by communicating pairs of cups with each other which are located at a predetermined area of the center of the heat exchanger, thereby being easily reduced in size, providing uniform surface temperature distribution and improving heat exchange efficiency by reducing the preponderance and the pressure drop rate of refrigerant and inlet and outlet pipes being easily arranged forward.

The invention is applicable to a liquid crystal display, providing an ITO heater and a heating method of the liquid crystal display. The ITO heater comprises an ITO glass substrate which is provided with two opposite long edges and two opposite short edges, wherein, two opposite edges are electrically connected with connecting terminals along the direction from one edge to the other edge; and theITO glass substrate is divided into a plurality of areas, each area is etched with an ITO pattern, and the ITO area of the etched edge part is larger than that of the central part. As for the ITO heater of the invention, the closer to the edge area, the stronger the resistance is; therefore, the heat output of areas closer to the edge is more than that of the central part, while heat of the edge is discharged fast, therefore, offset effect is achieved; the ITO heater can be used for the heating of liquid crystal display modules, and the temperature is evenly distributed on the surface of the ITO heater.

The invention discloses a beam blank continuous casting double cold leg cooling water blowing device. In the device, a gas pipeline(1) is overlapped with a vertical and symmetrical plane(16) of a ventral plate and is parallel to the surface of a beam blank ventral plate(6); and a gas nozzle(2) blows gases towards a beam blank internal arc side ventral plate pressed mark (4) of the beam blank(11).With the technical proposal, the gas nozzle of the water blowing machine blows compressed air or other inert gases towards the water accumulation area of the beam blank ventral plate so as to reduce the accumulated water and to ensure that the accumulated water is evenly distributed over high-temperature parts of the casting blank, so that the surface temperature of the beam blank is more evenly distributed, and the return range of the surface temperature is reduced below 80 DEG C / meter, and the transverse temperature difference on the surface of the ventral plate is reduced below 200 DEG C / meter; the quality of the beam blank is greatly improved, and the incidence rate of the surface crack is reduced below 1 percent; meanwhile, the device and the corresponding application method are simple, easy in operation and are low in cost.

The invention discloses a die with a heating device. Main points of the invention are as follows: an insulating layer and a conducting layer which are electrically isolated are arranged on an upper die or a lower die or simultaneously arranged on the upper die and the lower die, the surface of the conducting layer is an interface between the die and a material, current is directly switched on the conducting layer so as to allow the current to crowd on the surface of the conducting layer of the upper die, or the lower die, or the upper die, the lower die and the like, and the surface of the conducting layer is preheated to an operating temperature from room temperature. Thus, the die provided by the invention may be only composed of the upper die, the lower die, a current conducting plate and a conductor wire and electrical insulation is carried out on the conducting layer and the insulating layer of the upper die, or the lower die, or the upper die and the lower die so as to achieve effects of the prior art, thereby realizing the purpose of cost reduction; moreover, since current only crowds on the surface of the conducting layer of the upper die, or the lower die, or the upper die and the lower die, uniform distribution of surface temperature of the die can be realized regardless of changing of the shape of the surface of the conducting layer.

This invention discloses a common use device for electricity and heat of a solar cell including a liquid container with heat collection working fluid, in which, hot tubes are set on the side walls of the container and set with phase change heat- carry working fluid, a solar cell is connected with the tubes in the container fixedly, an inlet is set at the bottom of the container and an outlet is set at the top of the container, the bottom face is transmissive, heat preservation materials are set at outside of the top and outside of the side wall of the container. This invention can carry away solar heat not changed to electricity quickly by dipping a solar cell in a heat-collection working fluid and connecting to the hot tubes.

The invention relates to a heavy-type combustion engine high-temperature turbine double-medium cooling blade, which is characterized in that: a first separation plate and a third separation plate are sequentially arranged from the front edge and the end edge of a blade inner cavity to divide the blade inner cavity into a front cooling space, a middle cooling space and a rear cooling space to be independent from one another along the radial direction of the blade, the blade front cooling space is divided by a fourth separation plate into a first cooling cavity and a second cooling cavity, impact cooling holes are equally distanced to one another to be arranged on the fourth separation plate, the front edge of the blade is provided with four rows of gas film cooling holes which are alternatively arranged, spoiler ribs which are arranged at equal intervals are arranged on a blade inner wall B of the middle cooling space, the middle cooling space is divided by a second separation plate into a third cooling cavity and a fourth cooling cavity, which are communicated with each other, the rear cooling space is a fifth cooling cavity, and the fifth cooling cavity is connected through fin-shaped vent holes which are equally distanced to one another; and the middle cooling space adopts a steam closed-type cycling cooling way to be combined with the air cooling way of the front and the rear cooling spaces, so the cooling fluid has high heat exchanging coefficient on each position of the blade, the cooling effect can be improved, and the unit heat efficiency can be improved.

The invention discloses a device for strengthening heat dissipation by adopting pulsating flow and foamed metal plates, which comprises a pulsating pump, a heat sink chamber, a liquid accumulation chamber and a cooler. The liquid accumulation chamber sprays the cooling liquid into the heat sink chamber through the liquid separator, and the heat sink chamber sends the heat-exchanged liquid into the cooler through the liquid discharge pipe for cooling, and the pulsation pump sucks the cooled cooling liquid from the cooler through the connecting pipe. liquid; the heat sink chamber includes a foamed metal plate, a heat exchange carrier plate and a cover plate, the heat exchange carrier plate is connected to a high heat flux device, the foam metal plate is fixedly connected to the heat exchange carrier plate, and the liquid separator is connected to the heat exchange carrier plate The top of the cover plate is connected vertically. The pulsating flow in the present invention combined with the double-layer metal foam structure can increase the horizontal and vertical disturbance and mixing of the working fluid, and the thermal boundary layer is continuously reorganized. At the same time, the pressure change will lead to the formation of cavitation and vortex during the disturbance process. , can greatly improve the heat transfer efficiency.

An energy-saving kang with double flow channels belongs to the technical fields of the utilization of solar energy and biomass energy and the building energy conservation. The energy-saving kang with double flow channels contains not only a stove, a kang plate, a flue baffle plate, a flue gas inlet, a flue gas circulation channel, a flue gas outlet, a chimney and other parts of the traditional kang, but also a solar air heat collecting system. In the energy-saving kang, the folded metal plate on the lower surface of the upper kang plate is utilized to increase the heat-transfer intensity of the air and the kang plate and the uniformity of the temperature distribution of the kang surface; the baffle plate is used to effectively separate the air and the flue gas circulation channel; and thesolar energy and the heat of the flue gas can be utilized simultaneously, and the solar heat collecting device can not be damaged. All the parts in the energy-saving kang are prepared from common materials and by common preparation technology, thus the energy-saving kang has the advantages of simple production technology, low production cost and the like. The energy-saving kang is mainly used in the single building of a village in Northern China, can solve the indoor heating problem in winter and can reduce the coal consumption while lowering the environment pollution.

The invention belongs to the technical field of floor manufacturing equipment, and particularly relates to a reinforced composite floor hot press. The reinforced composite floor hot press comprises abase, an oil storage tank is fixedly installed on the base, and through holes are formed in the two end surfaces of the oil storage tank. A pressure-bearing platform is fixedly installed on the base,and a guiding rail is arranged on the pressure-bearing platform. A first bracket and a second bracket are fixedly arranged on the base, a limiting rod and a lead screw are connected between the firstbracket and the second bracket, and an installation plate parallel to the top surface of the pressure-bearing platform is matched with the lead screw in a threaded mode. A first air cylinder is installed on the bottom surface of the installation plate, the end part of a piston rod of the air cylinder is clamped to the two ends of a hot oil pipe, and a pressing roller is rotatably matched with theouter side wall of the hot oil pipe. The two ends of the hot oil pipe are fixedly connected with a sealing plate mutually matched with the end surface, and an opening with the same size as the longitudinal section of the hot oil pipe is formed in the middle part of the sealing plate. According to the reinforced composite floor hot press, a hot pressing roller is adopted to replace a traditional hot pressing plate to conduct the hot pressing on the reinforced composite floor, and a better hot pressing effect is achieved.

The invention relates to an exhaust-pipe-free UPS pulse metal halide lamp, which comprises an electrode, a first clamp end which is used for clamping after the electrode is installed, an electric arc tube cell shell which is formed by a quartz tube through once forming and a second clamp end which is used for clamping after the electric arc tube cell shell is exhausted, wherein the electrode is arranged inside the first and the second clamp ends, the first clamp end is arranged on the left end of the electric arc tube cell shell, the second clamp end is arranged on the right end of the electric arc tube cell shell, and the first clamp end, the second clamp end and the electric arc tube cell shell are of an integrated structure. Since a cold end is not existed, the light efficiency is higher; the electric arc tube cell shell is free from reprocessing after being formed by the quartz tube at one time and can directly enter the following procedure to be produced, so the air leakage of the exhaust pipe is free from existing, the service life is longer, the energy can be saved, and the exhaust-pipe-free UPS pulse metal halide lamp is more energy-saving and more environment-friendly.