59results about How to "Eliminate overheating" patented technology

A high power light emitting diode (LED) lighting assembly incorporated with heat dissipation module is provided. The LED lighting assembly includes a heat exchange base, at least one LED array, at least one heat pipe and a heat dissipation module. The heat exchange base includes at least one LED configuration plan for mounting of the LED array and at least a hollow part for insertion of the heat pipe. The LED array is arranged at a predetermined projecting angle at the LED configuration plane. The heat pipe includes a heated section, a cooling section and a conducting section, and contains a working fluid therein. The heat exchange base is mounted to the heated section and the heat dissipation module is mounted to the cooling section. The thermal energy generated by the LEDs is conducted from the heat exchange base to the heated section of the heat pipe, whereby allowing the working fluid in the heat pipe to be heated and vaporized, and flows, from the conducting section to the cooling section for dissipation at the heat dissipation module.

The present invention relates to a method for quickly testing car wheel edge powder characteristics. It is characterized by that according to a certain testing process it can use chassis dynamometer machine to test the power characteristics of car wheel edge. Under the condition of that the drum speed of the chassis dynamometer machine is changed with car wheel, but is not stable, i.e. when the drum implements variable motion in a certain rotational speed, the absorption power value of the chassis dynamometer machine can be measured, and an inaccurate wheel edge power value under said speed can be obtained, then the inaccurate wheel edge power value can be corrected so as to obtain the accurate wheel edge power value.

The invention provides a high salt gas field water evaporation crystallization treatment device which comprises a power system, a preheating system, a degassing system, an evaporation condensation system, a vapor compression system, an evaporation crystallization system, a condensate recycling system, a crystallization and salt making system, a vapor generation system and a waste heat recovery system; the power system comprises a gas engine, a power generator and a power supply and distribution mechanism; the preheating system comprises a first preheater, a second preheater and a third preheater; the degassing system comprises a degassing tank and a vacuum pump; the evaporation condensation system comprises a concentrated liquid circulation pump, a falling film evaporator and a gas-liquidseparator; the vapor compression system comprises a motor, a compressor and a sprinkler; the evaporation crystallization system comprises a crystallizer, a halide solution circulation pump, a forced circulation evaporator and a vapor ejector; the condensate recycling system comprises a purification water tank and a purification water pump; the crystallization and salt making system comprises a thickener, a centrifuge, a mother liquor tank, a mother liquor pump and a drying bed; and the vapor generation system comprises a water feeding pump and a waste heat boiler.

The invention relates to a double-effect Roots-type MVR (Mechanical Vapor Recompression) falling film evaporation system. The double-effect Roots-type MVR falling film evaporation system comprises double-effect falling film evaporators and a water vapor recompression system, wherein the double-effect falling film evaporators comprise a primary-effect evaporator and a secondary-effect evaporator which respectively comprises a heating chamber and a separation chamber; the water vapor recompression system is mainly formed by a Roots-type MVR compressor; a vapor outlet of a separation chamber of the secondary-effect evaporator is connected with a vapor inlet of the water vapor compressor, and a vapor outlet of the water vapor compressor is connected with a vapor inlet of the primary-effect evaporator. According to the double-effect Roots-type MVR falling film evaporation system, by recycling low-grade waste heat of the primary-effect evaporator and the secondary-effect evaporator and reutilizing all latent heat of secondary vapor generated in a solution evaporation process, primary energy is saved, the energy consumption in a solution evaporation process is greatly reduced, and the environmental pollution is reduced. The double-effect Roots-type MVR falling film evaporation system is simple in structure, small in occupied space and high in automation degree, only requires a small amount of vapor when being started, does not require live vapor after being started, is particularly suitable for heat-sensitive materials, has a wide application range and can be used on occasions of evaporation concentration, evaporation crystallization and low-temperature evaporation.

The present invention relates to a crotch liner for cycling tights and shorts of the type comprising a first portion (2) designed to protect the cyclist's perineal and ischial area and a second portion (3), positioned in front of the first portion, which is designed to protect the user's genital area, wherein the said first portion (2) is, in turn, subdivided into a plurality of sectors which comprise a pair of first pads (20), positioned at the point of contact between the buttocks and the saddle, and a second pad (21) with a Y-shaped configuration, which is positioned at the point of contact between the rear portion of the scrotum and the saddle and forks out around the external lateral ends of each of the first pads (20). Furthermore, the said second portion (3), positioned in front of the first portion and designed to protect the cyclist's genital area, is a concave supporter wherein the particular concave shape thereof allows the genitals to assume a slightly raised position, cupped within the said seat and detached from the thighs and the saddle. The first and the second portions are covered with a lower layer and an upper layer of foam, which is, in turn, covered with fabric and all the components are joined together and assembled by heat-moulding by means of the interposition of a glue.

Disclosed is a method for operating a steam turbine power plant, encompassing at least one steam generator (1) that is heated using a solid granular combustible, e.g. lignite. In said method, the combustible is first indirectly dried in a fluidized bed drier (5) that is heated at least in part by steam from the water-steam circuit of the steam generator (1). Said method is characterized in that the temperature in the drier (5) is regulated in two stages in accordance with the humidity of the combustible; first, the temperature of the fluidized bed drier (5) is regulated using the pressure of the heating steam, downstream of which the superheating temperature of the heating steam is regulated in accordance with the steam pressure.

The invention discloses a hydraulic balance adjusting system and method of a branch shaped heat supplying pipe network. The system comprises a control center, a returned water temperature sensor, an electric adjusting valve, a characteristic user indoor temperature sensor and a circulating pump. According to the system, the returned water temperature sensor is used for transmitting the returned water temperature of a user to the control center, so that a heat supplying company can quickly directly master the returned water temperature of the users in the whole network; and meanwhile, the returned water temperature is monitored in real time, thus the user losing water can be determined within the first time, and the economic loss caused by water losing can be avoided; the heat supplying pipe network is subjected to hydraulic balance adjusting, so that the indoor temperature uniformity of the users in the whole network can be greatly improved; the problem that the heating of some user does not meet the standard due to maladjusted hydraulic balance is reduced; the ideal running mode of 'high temperature difference and small flow rate' is achieved, namely, the circulating flow rate isdecreased, the supplied water temperature is increased, the electricity of a heat exchange station is saved, and meanwhile, the overheat of the front end is avoided, and the heat consumption of the heat exchange station is saved.

The invention discloses an upsetting-drawing deformation method for a TB6 titanium alloy large-specification bar. The upsetting-drawing deformation method comprises the steps that the TB6 titanium alloy bar is heated for preset time at the temperature of 10-40 DEG C below a beta phase transformation point; upsetting of the bar is carried out; multi-pass drawing-out is conducted in a hexagonal drawing-out forging manner; and chamfering, flattening and rounding are carried out. According to the method, the multi-pass hexagonal drawing-out manner is adopted, the deformation amount and the deformation pass are controlled, deformation of all parts of the TB6 titanium alloy large-specification bar can be uniform, deformation dead zones and core overheating are eliminated, and meanwhile the deformation process from a round bar to a hexagon and then to a round bar is achieved.

A cooling module for using in a metal housing of a calculation processing apparatus is disclosed. The cooling module is adapted to cool at least one heat source inside the metal housing. The cooling module comprises a first heat conduction plate, a second heat conduction plate and a heat conduction device, wherein the first heat conduction plate covers the heat source, the second heat conduction plate connects to the metal housing, and the heat conduction device is adapted to connect the first heat conduction plate with the second heat conduction plate. After the heat generated by the heat source is absorbed by the first heat conduction plate, the heat is transmitted to the second heat conduction plate through the heat conduction device, and will be dissipated uniformly throughout the metal housing.

The present invention provides a GaN power device and a manufacture method thereof. The GaN power device comprises a substrate, an epitaxial layer formed on the upper surface of the substrate, first metal layers which are radially arranged with intervals, and second metal layers which comprise multiple groups of connection parts and two groups of electrode parts for externally connecting wiring electrodes, wherein multiple groups of convex outward extension steps are etched and formed at the upper part of the epitaxial layer, the first metal layers and the outward extension steps are arranged in a staggered way, the multiple groups of connection parts are formed at the upper surfaces of each group of the outward extension steps and each group of the first metal layers, one group of the electrode parts is communicated with the connection part on each group of the outward extension steps, and the other group of the electrode parts is communicated with the connection part of each group of the first metal layers. According to the GaN power device, the device occupation area in the same power is reduced, under the driving of high current, the current distribution is uniform, and the device overheating caused by the current congestion of a local area is eliminated.

A method for controlling network carbon and banded structures is disclosed. The method includes detecting whether the density of the center zone of a casting billet reaches a first set range or not, with the first set range being determined according to steel variety and casting billet uniformity; if the density reaches the first set range, putting the casting billet into a heating furnace, heating the casting billet, and setting heating time of the heating furnace according to the detected density of the center zone of the casting billet; if the density does not reach the first set range, determining whether a reduction roller exists in a position behind a position where the center solid fraction of the casting billet is 0.6; if the reduction roller exists, increasing the reduction of thereduction roller; and if no reduction roller exists, additionally arranging a reduction roller in a position behind a position where the center solid fraction of the casting billet is 0.6. The methodensures structure uniformity of a final material, ensures product performance, and can significantly reduce the production cost of current processes.

The invention relates to an extrusion plant for producing cylindrical semi-finished products made of plastic, comprising: an extruder (1) for supplying a pressurized plastic melt; at least one Extrusion die (7) at the press (1) through which the melt exits the extruder (1) as a substantially cylindrical plastic billet (8); placed in the extrusion die ( 7) the subsequent correcting part (2) passed through by the plastic blank (8) that has just been extruded, the correcting part (2) cools the plastic blank (8) and defines the outer diameter (d) of the plastic blank (8); A braking device (3) placed behind the correction element (2), by means of the braking device (3) an axial force (A) directed opposite to the feed of the plastic blank (8) is variably introduced into the plastic blank (8); and a force receiver (9), which measures the axial force (A) introduced into the plastic blank (8) by the braking device (3). The object of the present invention is to improve an extrusion system of this type in such a way that it achieves a better adjustment quality and is suitable for processing highly heat-resistant plastics. This object is achieved in that the brake device (3) comprises at least one brake shoe (16) provided with a friction surface (19) which is guided in a radially movable manner relative to the plastic blank (8), In this case, the radially movably guided brake shoe (16) can be acted upon with a radial force (R) when the friction surface (19) is in contact with the periphery of the plastic blank (8) Axial forces (A) are introduced into the plastic blank ( 8 ), and the friction surface ( 19 ) has the shape of a groove-shaped section of a cylindrical peripheral surface.

The present invention relates to an external heat type multilayer baking furnace for coal upgrading, and belongs to the technical field of coal coking equipment. The external heat type multilayer baking furnace comprises an outer furnace having a heating device, wherein a heating furnace is arranged inside the outer furnace, the top portion of the heating furnace is provided with a material inlet and a coal gas collection port, the bottom portion of the heating furnace is provided with a material outlet, at least three layers of furnace trays are arranged inside the heating furnace along the height direction at intervals, the N-layer furnace tray is provided with a middle portion material discharge hole, and the N+1-layer furnace tray is provided with an end portion material discharge hole so as to form a S-shaped material discharge channel. According to the present invention, the external heat type heating pyrolysis way and the turning-back type S-shaped material discharge are performed on the coal, such that the produced coal gas is pure and has the high heat value, the semi-coke quality is good, and the production efficiency is high.

The invention provides a pulling plate structure for an electric transformer core. A pulling plate is a rectangular steel plate, at least two long-bar-shaped notches are formed in the center of the pulling plate in the vertical length direction of the pulling plate, the sizes of the notches are equal, and the notches are symmetrically distributed in the vertical length direction of the pulling plate. Due to the design of the notches of the pulling plate of the core, the eddy-current loss can be obviously reduced, and local overheat can be eliminated.

The invention discloses an electric furnace transformer body structure for preventing transformer windings from being overheated locally, and relates to the technical field of structural design of transformer structures. The electric furnace transformer body structure comprises the high-voltage phase-shifting windings, the high-voltage basic windings, the low-voltage windings, an iron core and insulated heat dissipating systems; the high-voltage phase-shifting windings, the high-voltage basic windings and the low-voltage windings are sequentially installed from the iron core to the outside; the insulated heat dissipating systems are distributed at the peripheries of the high-voltage phase-shifting windings, the high-voltage basic windings and the low-voltage windings; the low-voltage windings are located at the outermost side of a transformer body, and the low-voltage windings are in contact with insulated oil close to the outer side of the transformer body. Since the temperature of the insulated oil at the outer side of the transformer body is low, heat exchange and dissipation are better facilitated, heat generated by the low-voltage windings is timely dissipated, and the phenomenon that the low-voltage windings are overheated is avoided; a multipath parallel dual-cake-type structure is adopted for the low-voltage windings, the density of current generated by the low-voltagewindings is uniform, and the phenomenon that the low-voltage windings are locally overheated when the current is not uniformly distributed is avoided.

The invention relates to the mining and construction industry and is directed toward increasing the operating efficiency and reliability of a hydraulic hammer by increasing heat transfer (cooling) andlowering the temperature both of the hydraulic hammer as a whole and of a liner thereof without complicating the structure of the hydraulic hammer. This technical result is achieved in a hydraulic hammer consisting of a housing having a pressure port and a drain port and having a liner disposed in said housing that has a pressure groove and a pressure port, a head that is disposed inside of the liner such that it can move reciprocally and that interacts with a working instrument, and a pressure line and a drain line, moreover, on the outer surface of the liner, there are annular grooves and two longitudinal canals, said canals being diametrically opposite one another.

The invention discloses a two-network balance detection system based on sensor fusion, and the system comprises an information collection control layer which is directly in remote communication with an intelligent gateway through MODBUS communication, and obtains flow, pressure and temperature parameters. Various operation states, operation parameters and standby battery electric quantity information are transmitted to a server with a specified IP address through an Internet of Things access technology, and the server deploys a cloud processing system in a unified manner and is used for receiving data and safely processing information. The water return temperature of a user is uploaded to a control center through an internet-of-things hydraulic balance valve, and the heat supply temperature among all systems, all units and all loops is accurately adjusted; the method has an automatic adjusting function, and by taking the calculated current theoretical balance temperature value as the target temperature, the whole network can quickly reach the target value, the network adjusting speed is higher, the balance of the secondary network can be accurately controlled, the power consumption of the heat exchange station is saved, and the phenomena that the front end is overheated and the tail end is not hot are eliminated.

The invention discloses an electric furnace transformer body structure for preventing local overheating of a transformer winding and relates to the technical field of transformer structure design. The electric furnace transformer body structure comprises a high-voltage phase shift winding, a high-voltage basic winding, a low-voltage winding, an iron core and an insulated cooling system, wherein the high-voltage phase shift winding, the high-voltage basic winding and the low-voltage winding are sequentially arranged from inside of the iron core to outside; the insulated cooling system is distributed and arranged around the high-voltage phase shift winding, the high-voltage basic winding and the low-voltage winding; the low-voltage winding is located at the outmost layer of a transformer body; and the low-voltage winding is in contact with insulating oil close to the outer side of the transformer body. Since the insulating oil at the outer side of the transformer body is relatively low in temperature, heat exchange and emission are facilitated, the heat generated by the low-voltage winding is timely emitted, the overheating phenomenon of the low-voltage winding is prevented, a multichannel parallel double-cake structure is adopted by the low-voltage winding, current generated by the low-voltage winding is uniform in density, and the local overheating phenomenon of the low-voltage winding generated by non-uniform current distribution is prevented.