18results about How to "Fast heat transfer" patented technology

The utility model provides a kind of red light point position indicator, it is related to laser position indication technical field, indicator includes lens fixed base, red light fixed base, lens, red light emitter and heat dissipation groove, by being set with multiple adjusting holes on red light fixed base, adjusting hole is matched and is installed adjusting jack screw, by controlling the displacement elongation of different jack screw is different, to realize the slight adjustment of red light emitter installation position, the flexibility of use process is improved, heat on lens will be transferred to lens fixed base, by being set with heat dissipation groove on lens fixed base, increase the contact area of lens fixed base and external air, improve heat exchange speed, even if indicator in long-term use process can also heat in time, guarantee the service life of indicator, solve the technical problem that there is emitter position difficult to adjust and lack of heat dissipation design in existing indicator.

This application belongs to the technical field of metal processing equipment and discloses a mold cooling device for precision metal hardware production and processing. It includes two molds that fit together, each mold having a spiral channel. A water outlet connected to the spiral channel is fixed to one side wall of each mold, and a water inlet connected to the spiral channel is fixed to the other side wall of each mold. The two water outlets and the two water inlets are connected by telescopic pipes made of high-temperature resistant material. A supply mechanism is provided on one side of each mold for injecting cold water into the water inlet and extracting the heated water from the water outlet for cooling. This application, through improvements to the existing structure, reduces conductive and contact thermal resistance compared to the prior art where heat must sequentially pass through four solid side walls: the mold cavity metal wall, the mold box wall, the sleeve layer, and the water pipe wall, thus improving the heat exchange rate.

The utility model relates to cleaning device technical field discloses cleaning device, including fuselage, heating structure, sewage tank and dust extraction structure. The accommodating cavity is established on the fuselage. The heating structure sets up in the accommodating cavity. The sewage tank is connected on the fuselage, and the side of sewage tank towards the accommodating cavity is spaced apart from the fuselage and is surrounded with the fuselage and forms first air outlet passage, and the second air outlet passage is further equipped in the sewage tank. The dust extraction structure sets up on the fuselage, and the first air outlet passage and the second air outlet passage are communicated. The cleaning device provided by the utility model, when the airflow passes through the first air outlet passage, can take away the heat generated by the heating structure, carries out the heat dissipation to the heating structure, improves the heat dissipation effect of cleaning device, and does not need to set up the additional heat dissipation component element for the heating structure.

The evaporator assembly comprises an aluminum plate and an aluminum coil pipe, a plurality of semicircular grooves which are arranged at intervals in the length direction and linearly extend in the width direction are formed in one end face of the aluminum plate in a pressing mode, the two ends of each semicircular groove are connected with the outside, and the aluminum coil pipe is in a circular pipe shape. The aluminum coil comprises a plurality of sections of straight pipe parts which are arranged in parallel, a transition bent pipe is connected between every two adjacent straight pipe parts in series, the aluminum coil further comprises a leading-in part and a leading-out part which are arranged at the ends, the straight pipe parts are installed in the semicircular grooves in a matched mode, and anti-interference holes for the transition bent pipes to be placed in are formed in the aluminum plate. According to the evaporator assembly, the contact area between the aluminum plate and the aluminum coil pipe is greatly increased while it is guaranteed that the machining technology is not complicated, the heat transfer speed is increased, the overall function is complete, and practicability is high.

The application provides a phase change heat storage composite superhard abrasive grinding wheel, which comprises a grinding wheel base and abrasive materials arranged on the outer periphery of the grinding wheel base. An annular cavity is arranged on the near-outer end region of the grinding wheel base. A heat dissipation fin is arranged in the annular cavity. The inner end and both side ends of the heat dissipation fin are in contact with the grinding wheel base. The outer end of the heat dissipation fin extends to the outer wall surface of the annular cavity but does not contact the outer wall surface. The outer wall surface of the annular cavity is provided with a layer of foamed metal. A working medium is injected into the annular cavity. The phase change heat storage composite superhard abrasive grinding wheel has the advantages of high heat transfer coefficient, large heat capacity, good structural strength and effective regulation and control of the temperature of the grinding arc region.

This utility model discloses a highly integrated thermal management bus assembly and a battery cell structure. The bus is installed inside the membrane structure. A plurality of thermally conductive fixing components are mounted on the surface of the liquid cooling plate, and these components pass through the membrane structure. The positive and negative output terminals of the module are respectively installed at both ends of the liquid cooling plate, and the connecting pieces for both the positive and negative output terminals are connected in series with the bus. By applying this utility model, a highly integrated thermal management bus assembly and a battery cell structure are provided. This device integrates the bus and liquid cooling plate into one unit, reducing the number of module parts and improving production efficiency. It also adds thermally conductive fixing components, which have excellent strength, enabling rapid heat transfer and heating. Furthermore, the thermally conductive fixing components can be effectively positioned and quickly installed with the battery cell.

The application discloses a kind of RTO device assembly construction methods, and the risk of cross operation is reduced by specification process.Its core steps include: first, bottom air pipe, steel support and platform installation are carried out;Then hoist lifting valve, gas collecting chamber, heat storage chamber in turn;In heat storage chamber, fill heat storage ceramic according to the structure of "bottom ceramic square saddle ring, multilayer MLM honeycomb ceramic module, top square saddle ring";Hoist combustion chamber, burner again;Finally, install fan, air pipe and accessory structure.The air pipe welding adopts inside and outside mouthpiece fixed weld, effectively control gap and deformation.The method makes construction more standardized and efficient, reduces the risk of cross operation, improves the heat storage efficiency and is suitable for large RTO project.

The utility model discloses an energy -saving color master batch extruding granulation equipment, including the chassis, heating energy -conserving mechanism and extrusion mechanism, the upside fixed coupling of chassis has extrusion cylinder, heating energy -conserving mechanism includes heating box, drive box, heat preservation layer, inner circulating pipe, liquid outlet pipe, liquid inlet pipe and drainage board, heating box is fixedly connected respectively in the outer arc surface middle part and the outer arc surface right side of extrusion cylinder, and the drive box is fixedly connected between two heating boxes, and the outer surface of two heating boxes all is fixedly connected with heat preservation layer, and the front side of two heating boxes is equipped with inner circulating pipe respectively, and the right side of the front side of two heating boxes is equipped with liquid outlet pipe respectively, and the left side of the front side of two heating boxes is equipped with liquid inlet pipe respectively, and the inside of two heating boxes is slidably connected with drainage board respectively. The utility model does not need to heat the equipment and does not interrupt heating extrusion cylinder, and reduces the loss to energy.

This invention relates to the field of pretreatment technology for hot-dip galvanizing of steel plates, specifically disclosing a process method for rapid heating and annealing in a hot-dip galvanizing annealing furnace using an electromagnetic induction heater. The process includes: a rapid heating stage where an induction heating unit acts as the core, and the steel plate continuously passes through the induction heating zone at a set speed, heating the steel plate from room temperature to 720°C; a temperature homogenization stage where the heated steel plate enters a reheating zone, where the surface and internal temperature of the steel plate are corrected through thermal radiation; a cooling adjustment stage where the temperature-homogenized steel plate enters a cooling section, reducing the temperature from 720°C to a set target temperature range of 450°C-460°C; and a thermal equilibrium stabilization stage where the cooled steel plate enters an equilibrium section, which is an insulated channel, ensuring uniform temperature throughout the steel plate. This invention employs a combination of electromagnetic heating and thermal radiation reheating, which is environmentally friendly, produces clean steel strip surfaces free of iron oxide scale, and improves the unit's operating speed.

The application relates to the field of fine chemical synthesis, and relates to a preparation method of polyvinylpyrrolidone. Pure water, N-vinylpyrrolidone and ammonia water are continuously introduced into a micro-mixer, uniformly mixed in the micro-mixer, and then introduced into a preheater to be preheated to a reaction temperature; the obtained mixture is sequentially and continuously introduced into a micro-channel reactor and a delay reactor together with an aqueous hydrogen peroxide solution, and the reaction is carried out at normal pressure at 55-80 DEG C; and the product continuously coming out of the delay reactor is a polyvinylpyrrolidone solution. The application is a continuous preparation method which is easy to control in temperature, high in safety, narrow in molecular weight distribution, short in reaction time and easy to industrialize.

This utility model discloses a high-efficiency heat exchange tube heater, relating to the field of heating equipment technology. It includes an inner tube and an outer tube arranged coaxially, forming an annular water flow channel between them. The outer wall of the outer tube has a spiral positioning groove, into which the heating wire is embedded, increasing the contact area and improving the heat transfer rate per unit area. First and second retainers are fixed at both ends. The inlet of the first retainer has a built-in spiral blade to guide the water flow to conform to the heating surface of the outer tube; downstream of the first retainer is an inclined guide surface with a conical curved surface, the radius of curvature increasing with the water flow direction, causing agitation of the water flow, enhancing the heat exchange effect, and improving heating efficiency.

The utility model relates to the technical field of mine hoist, concretely is a mine hoist hotspot detection device, including equipment casing, machine shell, temperature sensor, signal processing module, data transmission module and monitoring terminal, the top middle place of machine shell is equipped with the mounting hole for temperature sensor installation, and the bottom of temperature sensor is provided with detection probe, the periphery inner wall of machine shell is fixedly installed with mounting plate, and the bottom middle place of mounting plate is fixedly installed with heat conduction cylinder, the utility model discloses through heat conduction silica gel filler can effectively eliminate the air gap between detection probe and heat conduction cylinder, significantly speeds up the heat transfer speed, lets temperature sensor can more quickly perceive the temperature change of mine hoist, simultaneously, through heat conduction cylinder and heat conduction fin further improve the heat conduction efficiency, make temperature detection more timely and accurate, avoid the detection delay or misjudgment caused by heat transfer lag.

The utility model relates to the technical field of contaminated soil remediation device, and disclose a kind of for high-efficiency heat transfer device of thermal desorption soil remediation, the high-efficiency heat transfer device for thermal desorption soil remediation, including sealing cover, the bottom of the sealing cover is provided with heat cycle assembly.The high-efficiency heat transfer device for thermal desorption soil remediation, active push heat transfer oil circulation, break natural convection dependence, make heat transfer oil flow quickly and evenly, heat can be faster from heating zone conduction to soil contact area, realize efficient heat cycle system, oil temperature distribution is more uniform, avoid local overheating, pipe wall temperature difference big and other problems, radiation fin increases heat exchange surface area, larger area and soil contact, heat is more easily scattered, improve the heat flux in unit time, accelerate soil temperature, arc piece turbulence heat transfer oil flow path, form vortex or spiral flow, break the temperature boundary layer in oil, improve the heat flux between cylinder wall and heat transfer oil.

The invention discloses a hydrogel-based composite film integrating efficient phase change cooling, high thermal conductivity, electromagnetic shielding and leakage prevention and a preparation method of the hydrogel-based composite film. The thin film is of a double-layer composite structure, wherein the lower layer is a high-thermal-conductivity electromagnetic shielding layer composed of polyacrylamide (PAM) hydrogel, Si3N4 and electromagnetic shielding filler, and the upper layer is a phase-change leakage-proof layer composed of PAM hydrogel and polyethylene glycol (PEG); the upper layer and the lower layer form a stable integrated structure through the synergistic effect of interface hydrogen bonds and physical entanglement, and finally integration of thermal management and electromagnetic protection functions is achieved. The phase change latent heat of the prepared film is larger than or equal to 120 J / g, the X-band electromagnetic shielding effectiveness (SE) is larger than or equal to 32 dB, and leakage is avoided at the high temperature of 80 DEG C. The preparation process is simple, and the product can be applied to various scenes such as power chips, LED equipment and wearable electronic devices.

The utility model discloses a centrifugal air compressor motor casing, a heat dissipation port on the motor casing is provided with a heat dissipation assembly, and the bottom wall of the heat dissipation assembly is provided with a support assembly; the supporting assembly comprises a plurality of fixing seats, the inner walls of the fixing seats are fixedly installed at the position of the outer wall of the motor shell, L-shaped angle seats are fixedly installed on the front walls and the rear walls of the fixing seats, cross-shaped grooves are formed in the top walls of the two L-shaped angle seats, and sliding rods are fixedly installed on the inner walls of the two cross-shaped grooves. When the motor shell is mounted, the positions of the mounting lugs and the mounting holes can be quickly adjusted according to the reserved mounting positions, so that the mounting of the motor shell can adapt to more positions, the overall adjusting mode is simple, and the adaptability is higher.

The utility model relates to the technical field of hot-dip galvanizing, in particular to a steel pipe hot-dip galvanizing pot which comprises an equipment main body and a rectangular groove, the rectangular groove is formed in the top of the equipment main body, mounting frames are fixedly connected to the two sides of the equipment main body, and a stirring device is arranged in the equipment main body. According to the stirring device disclosed by the utility model, the output end of the first motor can be utilized to drive the stirring shaft to rotate, the connecting block and the mounting block are driven to rotate at the same time during rotation, and the sliding rod is driven to slide in the sliding groove under the action of centrifugal force, so that the sliding block slides in the mounting block; according to the zinc liquid stirring device, the stirring blades are used for further stirring materials during rotation, the stirring device can enable the zinc liquid to circularly flow in the pot, heat transfer is enhanced, heat generated by a heating source at the bottom of the pot can be quickly and uniformly transferred into the whole zinc liquid, and the situation that the zinc liquid is locally overheated or overcooled is effectively avoided.

This utility model relates to the field of sweeper motor technology, specifically a sweeper motor heat dissipation structure, including a motor body, a reducer, and a heat dissipation device. The reducer is located at the drive end of the motor body, and the heat dissipation device is located on the surface of the motor body. The heat dissipation device includes a connecting plate, which is fixedly connected to the motor body. A frame is fixedly connected to one end of the connecting plate, and an air guide sleeve is fixedly connected to the end of the frame away from the connecting plate. A drive motor is fixedly connected to the end of the motor body near the air guide sleeve, and a fan blade is fixedly connected to the drive end of the drive motor. The air guide sleeve is fitted onto the fan blade. In this utility model, replacing the cycloidal pin reducer can improve transmission efficiency and reduce motor overload. The drive motor drives the fan blade to rotate, and the air guide sleeve guides the airflow to the fins to accelerate heat exchange. At the same time, the bending rod drives the brush to clean the dust on the fins. The spring and push rod make the brush fit the concave and convex surfaces of the fins, which greatly improves heat dissipation efficiency and reduces the probability of motor burnout due to overheating and overload.

This invention provides a control method for an air conditioner, wherein the indoor unit of the air conditioner includes a housing. The housing contains independent heat exchange air ducts and non-heat exchange air ducts. A heat exchange fan is installed in the heat exchange air duct, and a non-heat exchange fan is installed in the non-heat exchange air duct. The housing has a heat exchange air outlet communicating with the heat exchange air duct and a non-heat exchange air outlet communicating with the non-heat exchange air duct. Both the heat exchange air outlet and the non-heat exchange air outlet are elongated, with the non-heat exchange air outlet located to one side of the heat exchange air outlet. The control method for the air conditioner includes: acquiring the indoor ambient temperature and the distance between the user and the air conditioner; determining, based on the indoor ambient temperature and the distance between the user and the air conditioner, the airflow rate, air velocity, or rotational speed of the heat exchange air outlet, as well as the airflow rate, air velocity, or rotational speed of the non-heat exchange air outlet, and the airflow direction of both the heat exchange air outlet and the non-heat exchange air outlet. The air conditioner control method of the present invention makes the temperature of the mixed airflow closer to room temperature than that of the heat exchange airflow, resulting in a softer airflow and greater comfort.