18results about How to "Avoid overheating" patented technology

This invention discloses a solid-phase thickening reactor for PETG chips, belonging to the field of polyester chip processing technology. It includes an outer cylinder with an inlet pipe and an outlet pipe installed at its top and bottom, respectively. Support legs are installed on the side of the outer cylinder. Inside the outer cylinder are a supporting cylinder and four movable inner cylinders. Connecting rings connect the supporting cylinder to the movable inner cylinders and between adjacent movable inner cylinders. This invention ensures that each chip can undergo sufficient and uniform heat exchange with the heat medium, eliminating heating "dead zones" and temperature differences in traditional equipment. Based on the synergistic effect of uniform dispersion, controllable feeding, and a three-dimensional thermal field, the raw material can undergo a thickening reaction in the reactor in an optimal state. This ensures the uniformity and thoroughness of the reaction, effectively avoiding quality problems such as chip viscosity differences and yellowing caused by uneven heating or inconsistent reaction times. Therefore, it significantly improves the final product quality, production efficiency, and batch stability of the PETG chips.

This invention relates to the field of remote crane control technology, specifically a crane control device, comprising a cabinet, a support carrier, and a guardrail. The cabinet is mounted on the support carrier; the guardrail is also mounted on the support carrier; the support carrier is the crane's frame or trolley; a control mechanism is installed inside the cabinet, which receives control commands remotely sent from the control room; the control mechanism integrates the crane's electric hoist control unit, trolley control unit, and crane trolley control unit; it also includes: a detection mechanism installed inside the cabinet; and a protective mechanism installed inside the cabinet, used to detect if the cabinet becomes loose. This invention achieves remote control of port container cranes by controlling the movement of the trolley and crane units within the crane, as well as the movement of transported containers, through the control mechanism; and it eliminates the need for personnel to frequently climb the crane to maintain the cabinet, greatly improving the convenience of inspections.

This invention discloses a heat dissipation structure for a thermal power plant transformer, including a body with a storage compartment inside, and a transformer protective shell inside the storage compartment. The transformer protective shell has an air intake grille, and a mounting component is located inside the protective shell. The mounting component has a vertically penetrating mounting groove, and a suitable transformer component plate is nested inside the mounting groove. The lower side of the mounting groove is spaced apart from the transformer shell, and the lower side of the transformer component plate has multiple semi-through slots. This invention solves the problems of poor heat dissipation in traditional thermal power plant transformers, heat accumulation on the back of the transformer component plate leading to overheating and malfunction, and reduced component lifespan.

The application discloses a process method for preparing ethyl acetoacetate by crude ester circulation cooling, and belongs to the technical field of chemical industry. The method can dilute the heat generated in the reaction in time and effectively by performing crude ester circulation in the continuous reaction process, better solves the problem of heat accumulation in the reactor, and cannot dissipate heat in time, thereby causing the problem of rapid temperature rise, and avoids the "flying temperature" in the reaction process; the temperature in the reactor is stable without other complex and strict operation control, the operation is simple and feasible; the content of the crude product, the product quality and the yield are improved; the content of the crude methyl acetoacetate obtained by the method is 97.8-98.1%, the content of the finished product after rectification is 99.5-99.7%, and the product yield is 97.8-98.2%; the high-temperature resistance requirement of the pipeline equipment is reduced, and the safety hidden danger is reduced.

This utility model relates to the field of lithium battery casing technology, and more particularly to a novel fast-charging universal lithium battery casing for two-wheeled vehicles. It includes an outer shell with a top cover, and cooling fans on both sides of the outer shell. The outer shell and the top cover are connected by a connecting mechanism. A U-shaped groove is formed on the top of the outer shell, and a U-shaped locking block is formed at the bottom of the top cover. The connecting mechanism includes a spring, a rubber column, a locking plate, a moving rod, and a support. A pressure pad is provided inside the U-shaped groove, and a receiving cavity is provided inside the outer shell, with heat dissipation fins inside the receiving cavity. This utility model adopts a detachable structural design, facilitating the installation and removal of the lithium battery inside the casing, which is beneficial for later maintenance and replacement. It also improves heat dissipation during charging, avoids overheating, and improves overall charging efficiency.

The utility model discloses a single roller heating equipment belongs to processing equipment technical field. The utility model solves how the single roller heating equipment satisfies the problem of waste asphalt mixture warm mix recycling use in the prior art. The utility model discloses the cylinder that is arranged obliquely, low temperature area and high temperature area are sequentially arranged from low side to high side in the cylinder, is provided with the regeneration material feeding mechanism and new aggregate feeding mechanism on the cylinder, the regeneration material feeding mechanism is arranged in low temperature area, and the new aggregate feeding mechanism is arranged in high temperature area, is provided with first stirring mechanism in high temperature area, is provided with screening structure on first stirring mechanism, and second stirring mechanism is arranged in low temperature area. The utility model sends in the roller different area respectively with the regeneration material and new aggregate, and adjusts heating temperature and time according to its different heating requirement, realizes the differentiating processing, can satisfy the waste asphalt mixture warm mix recycling use demand.

This invention discloses an on-board instant oxygen-generating micro-pressure oxygen-enriched combustion engine system and its coordinated control method, belonging to the field of fuel engine technology. The system includes an oxygen-enrichment generation subsystem, a micro-pressure oxygen storage and supply subsystem (maximum working gauge pressure ≤0.09MPa), an oxygen-enrichment mixing and intake subsystem, an intelligent combustion feedback subsystem, an external ECU control subsystem, and an environmental adaptive subsystem. The control method includes operating condition identification, closed-loop control of oxygen-enriched intake, coordinated fuel injection and ignition, soft measurement and protection of in-cylinder temperature, and linkage between oxygen generation and storage. It also integrates fault protection logic, cold start preheating control, and closed-loop calibration of oxygen concentration. This invention completely avoids special equipment supervision by using micro-pressure oxygen storage, ensures non-destructive installation and original factory warranty through dual redundancy failure safety, achieves precise in-cylinder temperature control using neural networks, and covers all operating conditions from -40℃ to +70℃ and 0 to 5000 meters with an altitude / temperature adaptive module. Bench tests show fuel savings of 10%-18%, power increases of 8%-15%, and significant emission reductions. It can be widely used in passenger cars, commercial vehicles, off-road machinery, and generator sets with gasoline / diesel engines.

The application provides an array substrate, a display panel and a related device. The array substrate comprises a display area and a non-display area surrounding the display area. The non-display area comprises a multiplexing unit, a test unit and a binding unit. At least two of the multiplexing unit, the test unit and the binding unit are located at different side edges of the non-display area, so that the phenomenon of local area overheating caused by the centralized arrangement of the multiplexing unit, the test unit and the binding unit can be avoided, and the service life is prolonged.

This invention provides a method for preparing a high-temperature resistant grinding brush and the grinding brush itself. The grinding brush, prepared by the method, comprises a heat-resistant metal brush plate and multiple bristle bundles fixed to the heat-resistant metal brush plate. Each bristle bundle consists of multiple high-temperature resistant composite bristles bundled together. One end of each bristle bundle has an anchoring head formed by high-frequency induction melting and spheroidization. The high-temperature resistant composite bristles include a high-temperature resistant metal matrix and inorganic wear-resistant particles dispersed therein. This invention, through the above structure and method, combined with a high-frequency induction heating device employing a multi-coil matrix and three-dimensional motion, enables rapid, uniform, and controllable localized heating and melting of the bristle bundle ends. This significantly improves the automation level and processing efficiency of production, resulting in a grinding brush with enhanced temperature resistance and service life. Furthermore, after trimming, the performance degradation of the bristle bundles at high temperatures is uniform, ensuring stable surface treatment quality of the workpiece.

This utility model discloses an LED long-arm spotlight. The heat dissipation module includes a hollow heat pipe, a light source module located at one end outside the heat pipe, and a drive module located inside the heat pipe. The LED light source module and the drive module are electrically connected. The long-arm lamp holder includes a connecting arm and a lamp holder. One end of the connecting arm is connected to the lamp holder, and the other end is detachably connected to the surface of the heat pipe via a universal joint. This utility model uses the heat pipe directly as the outer shell of the LED long-arm spotlight, which can realize the rapid transfer and heat dissipation of heat generated by the LED light board, effectively reducing the temperature of the LED light source module, avoiding overheating of the LED chip, and extending the life of the LED light source. This utility model uses an LED constant current drive power supply, which can ensure the stable operation of the LED light source module and avoid light output fluctuations. This utility model adopts a modular design, and the long-arm lamp holder, drive module, and LED light source module can all be maintained and replaced individually, which helps to extend the product's service life.

The application discloses a heat tank and a water supply device, wherein the heat tank comprises a heat tank body; the heat tank body is a hollow structure, and the heat tank body is used for storing heat exchange medium; a temperature control element; the temperature control element comprises a temperature sensor; the temperature sensor is attached to an outer wall of the heat tank body; the problem that a traditional heat tank cannot monitor temperature in real time and causes excessive heating of the heat tank is solved.

This utility model relates to the field of daily tableware technology, and discloses an energy-saving heated lunch box, including a box body and a lid connected to the box body. The top of the box body has an opening that extends downward to form a receiving cavity, and the side wall of the opening has an outwardly extending horizontal edge. The lid includes a fixing plate with a light-emitting hole. A far-infrared lamp holder and a control board are fixedly mounted on the top edge of the light-emitting hole. A far-infrared lamp tube is fixedly mounted inside the far-infrared lamp holder, and the far-infrared lamp tube is electrically connected to the control board. The control board is electrically connected to a power supply socket via a switch. This heated lunch box can directly heat the food in the receiving cavity through non-conductive infrared radiation generated by the infrared lamp tube, which can effectively reduce heat loss. Compared with existing heat conduction heated lunch boxes, it has higher heating efficiency and shorter heating time, effectively solving the problems in the prior art.

The utility model relates to hot runner practical device field, and disclose a kind of three point glue injection needle valve hot runner practical device based on single cylinder drive, including panel, runner plate, A plate and external connection mechanism, glue injection mechanism, through the linkage structure of single cylinder drive combination shunt plate component and valve needle pressure block, realize the opening and closing of three glue injection point valve needles synchronous control of single power source, electromagnetic valve in external connection mechanism receives electric signal and drives piston, valve needle is driven to move up and down by valve needle pressure block, cooperate heat insulating plate with positioning ring to ensure movement accuracy, shunt plate component realizes the even shunt of molten plastic and temperature accurate control by symmetrical heating wire, anti-rotation shaft and center pin, modular hollow structure design is convenient to install maintenance, external connection mechanism and nameplate promote debugging efficiency, compared with traditional multi-cylinder drive system, the utility model simplifies mechanical structure, reduces fault point, high synchronism, can avoid uneven glue injection, temperature control instability and other problems, and improves the quality of injection molding product forming.

The application discloses a high beryllium copper alloy strip based on electric pulse assisted rolling and a preparation method thereof, and belongs to the technical field of precipitation hardening alloy material processing. The preparation method comprises the following steps: S1, after preparing materials according to the mass percentages of various chemical components of the beryllium copper alloy to be prepared, the materials are put into a vacuum induction melting furnace to be vacuum melted into a liquid state, and then the liquid state is poured into a beryllium copper alloy ingot; S2, the beryllium copper alloy ingot is heated to a temperature of 800-850 DEG C, and then hot-rolled after being kept at the temperature for 15-20 hours to obtain a beryllium copper hot-rolled blank; S3, the beryllium copper hot-rolled blank is sequentially subjected to annealing treatment and face milling; S4, the beryllium copper hot-rolled blank after the face milling is sequentially subjected to rough rolling, edge cutting, solid solution treatment and electric pulse rolling to obtain a beryllium copper alloy strip. The beryllium copper alloy prepared by the application has no cracks under a large deformation, has a large degree of grain crushing, has a small grain size, has good formability, and has a short production flow and high production efficiency.

The utility model provides a kind of laser on-line monitoring dynamic cleaning device, comprising: thickness detection component;Laser cleaning component, laser cleaning component includes several laser units;Each laser unit includes the laser along the laser beam output direction setting, first reflector, diaphragm, second reflector, beam expander, laser beam shaper, dynamic galvanometer, field lens;Wherein, dynamic galvanometer includes several multi-faceted prisms connected with driving element, to dynamically adjust the angle of laser beam incident field lens;The utility model can adapt to different pollution degree and surface shape, ensure that cleaning quality consistency, by being provided with dynamic galvanometer and carrying out dynamic cleaning, can ensure that laser focal point is always accurate and accurate to adhere graphite boat curved surface, cleaning efficiency is high and clean, can avoid overburning or residual caused by uneven energy.

The utility model belongs to motor technical field especially is a motor for electric drill, in order to avoid the motor body of sustained output to cause the inside sustained heating of electric drill shell, thereby influence the service life of motor body, the inside electric telescopic handle of the device is self -starting when drill bit is stuck, its output end promotes connecting rod, and connecting rod drives the rotating disc of outside to push out second radiating disc to the outside, and the hinge end surface of multiple torsional spring hinges is resisted in the periphery of second radiating disc, and second radiating disc can exist moderate gap between first fixed disc, accelerate heat dissipation simultaneously, make the drill bit that stuck and first fixed disc separate, and then prevent the motor body from generating overheating phenomenon, when radiating is completed, the rotating disc is recycled to the electric telescopic handle inside the counter -starting, under the action of torsional spring, the torsional spring hinge will second radiating disc be pushed back to the original position again, make the nylon clamp block of first fixed disc be inserted firmly into the slot inside, and then complete the quick connection of first fixed disc and second radiating disc.

The utility model discloses a high -power group string formula PTC heater, including PTC heating sheet, corrugated aluminium strip, aluminium connecting sheet, mounting seat and connecting frame, the outside of aluminium connecting sheet still is provided with reinforcing plate, be provided with upper buckle groove and lower buckle groove on the mounting seat, upper buckle groove and lower buckle groove are opposite and are located to form the insertion interface of one -end opening, the connecting frame is used for with external zero parts connection cooperation, the right side of connecting frame sets up and sets up upper buckle department and lower buckle department respectively, the connecting frame is along the insertion interface and is clamped on the mounting seat, make upper buckle department with upper buckle groove interlocking, lower buckle department and lower buckle groove interlock, like this, through the reinforcing plate of aluminium connecting sheet outside and make the aluminium connecting sheet outside, make the overall structural strength of reinforcing heating module, improved the stability of heater under the complex working condition such as vibration, impact and heater can along insertion interface quick clamping on the mounting seat, and the installation process is simple and convenient.

The present application relates to a kind of high-temperature-resistant halogen-free flame-retardant cable and its preparation process, to solve the technical problem that the strength of current processing flame-retardant cable is low and easy to deform, including cable main body, the cable main body is composed of cable outer layer, flame-retardant layer, first core and second core, wherein, second core is several, several second core is connected using untwisted twisting, the present application is twisted by setting twisting mechanism, since driven gear rotates when rotating, it makes the first core and second core installed in driving gear rotate and run twisted, then its surface is wrapped with flame-retardant layer and cable outer layer, that is, the production of cable is completed, by untwisted twisting of multiple second core and first core, the overall strength of the cable after processing is improved, avoid the situation that there is gap in the inside of the cable after processing, reduce the situation that the cable is deformed or damage insulation layer due to insufficient strength.