19results about How to "Lower temperature rise" patented technology

The invention discloses a temperature measurement adaptive compensation method and system, an ear thermometer and a readable storage medium. The method comprises the steps that after a thermometer is started, a temperature measurement sensor is preheated, the temperature is adjusted and controlled to reach a stable set temperature, and it is prompted that measurement can be carried out; heating is stopped after measurement is selected, and the thermometer is close to the temperature measurement part of the measured person to start measurement; acquiring a parameter signal change rate of the temperature measurement sensor in a cooling process, and converting the parameter signal change rate into a compensation temperature; the semaphore volatility of the temperature measurement sensor is obtained, the actually measured temperature is obtained when the semaphore of the temperature measurement sensor is in a stable state, and the target temperature is calculated according to the compensation temperature and the actually measured temperature; the temperature measurement adaptive compensation system comprises a temperature measurement sensor, a processor and a display. According to the scheme, the convergence characteristic of the measured target temperature data and the reliability of the target temperature data can be effectively improved.

The invention relates to an aperture-adjustable porous radiation refrigeration material and a preparation method thereof. The aperture-adjustable porous radiation refrigeration material is prepared by introducing inorganic nanoparticles onto a polymer-based composite material, wherein the polymer matrix composite material is prepared by compounding cellulose acetate and poly (vinylidene fluoride-co-hexafluoropropylene); the material is endowed with a layered porous structure through a solvent-nonsolvent induced phase separation method, and materials with different pore sizes are prepared by adjusting the proportion of a mixed solvent. By adjusting the proportion of the mixed solvent, the size and morphology of the pores can be adjusted, so that the reflectivity of the material to sunlight is enhanced, and the preparation method has a good application prospect.

The invention discloses flywheel machining equipment, and relates to the field of flywheel machining equipment.The flywheel machining equipment comprises a device base and a power structure, the power structure is installed on the lower portion of the device base, a lifting mechanism is arranged at the bottom of the power structure, and the upper end of the power structure and the upper end of the lifting mechanism are both connected with a fixing table; an adjusting support is arranged above the bottom plate, and a machining structure is arranged on the adjusting support. The adjusting bracket comprises a vertical frame and a fixed plate; the machining structure comprises a grinding assembly and a cooling assembly, the grinding assembly and the cooling assembly are both mounted on the mounting plate, a positioning column structure is arranged in the middle of the mounting plate, and the positioning column structure is in positioning contact with the mounting column. The relative speed between the two is increased, and the smoothness of a polished surface is ensured through high-rotating-speed polishing.

The utility model relates to refrigeration equipment which comprises a box body and a refrigeration system, the box body comprises an equipment chamber and a storage chamber, and the equipment chamber is located above the storage chamber; a refrigeration chamber is further arranged in the equipment chamber, a communication channel is arranged between the refrigeration chamber and the storage chamber, an air valve assembly is further arranged in the box body, the specific installation position of the refrigeration chamber and the air valve assembly can effectively isolate heat exchange between the refrigeration chamber and the storage chamber, additional refrigeration operation is not needed, and more energy is saved. In addition, the refrigerating system is arranged in the equipment cavity, the two ends of the defrosting pipeline are connected with the output end of the compressor and the input end of the second heat exchanger correspondingly, the defrosting pipeline is provided with a defrosting part, the defrosting part is connected into the first water pan, and it is guaranteed that defrosting water drops fall into the water pan and are smoothly drained away without being frozen; the overall size of the equipment is reduced, and the volume of the storage cavity is increased.

The utility model relates to refrigeration equipment which comprises a box body, a refrigeration chamber, an air valve assembly and a refrigeration system, the box body comprises an equipment chamber and a storage chamber, and the equipment chamber is located above the storage chamber; the refrigeration chamber is arranged in the equipment chamber, and a communication channel is arranged between the refrigeration chamber and the storage chamber; the air valve assembly is used for controlling opening and closing of the communication channel; the refrigerating system comprises a compressor, a first heat exchanger and a second heat exchanger which are sequentially connected through a refrigerating pipeline, the second heat exchanger is arranged in a refrigerating chamber, in the actual defrosting process, the air valve assembly closes a communicating channel, and an air supply piece beside the second heat exchanger (evaporator) is in a shut-off state; forced convection does not occur between the refrigeration chamber and the storage chamber, heat exchange between the refrigeration chamber and the storage chamber can be effectively isolated, temperature rise of the storage chamber in the defrosting process is reduced, additional refrigeration operation is not needed, and more energy is saved.

The present invention relates to the technical field of smart electric meters, and in particular to a three-phase smart electric meter with a smoke alarm device, comprising an installation cabinet, a cabinet door being arranged at an opening of the installation cabinet, a positioning opening and closing mechanism being connected between the installation cabinet and the cabinet door, a conduction block being fixedly connected to the interior of the installation cabinet, an electric meter body being fixedly mounted on the conduction block, a mounting frame being fixedly connected to the interior of the installation cabinet, and a smoke sensor body being fixedly mounted on the mounting frame; the present invention seals and protects the interior of the installation cabinet through the action of a sealing protection mechanism, and releases the air flow inside the installation cabinet through a circulating air intake mechanism, thereby preventing flames from entering the interior of the installation cabinet to cause burning damage to the electric meter body, and continuously cools the glass plate through an explosion-proof cooling mechanism, thereby reducing the probability of damage to the circuit system and reducing property losses caused by fire.

This utility model provides an energy-saving dry ice manufacturing and feeding device, relating to the field of dry ice feeding devices. It includes a storage tank, a first pipe at the bottom of the tank, a heat exchanger at one end of the first pipe, a flow meter on the surface of the first pipe, a second pipe on the side of the heat exchanger, an exhaust gas pipe on the surface of the heat exchanger, and a dry ice manufacturing machine at one end of the second pipe. The exhaust gas pipe 5 recovers the exhaust gas emitted by the dry ice manufacturing machine 6 and guides it into the heat exchanger 3 to pre-cool carbon dioxide, reducing refrigeration energy consumption. A flow meter 17 accurately measures the carbon dioxide flow rate to avoid over-cooling, thereby significantly reducing energy consumption in the dry ice manufacturing process, improving production efficiency, and lowering production costs.

The invention discloses a GaN power device structure, and a junction temperature testing device comprises an N-type SiC substrate, the upper end of the N-type SiC substrate is provided with a buffer layer, metal is deposited at the upper end of the buffer layer to form a drain metal layer, the upper end of the drain metal layer is provided with a conduction layer formed by a highly doped N-type GaN layer, and the upper end of the conduction layer is provided with an N-type GaN layer. The upper end of the conduction layer is provided with a drift region formed by a lightly doped N-type GaN layer, the drift region is internally provided with alternately arranged P-type GaN layers, the lower ends of the P-type GaN layers are in contact with the conduction layer, the upper end of the drift region is provided with a blocking layer formed by the P-type GaN layers, the upper end of the blocking layer is provided with a source electrode contact layer formed by a highly doped N-type GaN layer, and the upper end of the source electrode contact layer is provided with an N-type GaN layer. The upper end of the source electrode contact layer is etched downwards to form a groove, an insulating layer is arranged in the groove, the upper end of the insulating layer is deposited to form a grid electrode, and metal is deposited at the upper end of the source electrode contact layer to form a source electrode. According to the invention, the breakdown voltage can be effectively improved, the device works stably under higher voltage, the temperature rise during working of the device is reduced, and the service life of the device is prolonged.

The utility model discloses a mechanical sealing device for side stirring, which comprises a shaft sleeve, a flange component and a positioning ring are arranged on the peripheral side of the shaft sleeve, fixing bolts are arranged on the flange component and the positioning ring, a cooling cylinder is arranged between the flange component and the positioning ring, and the flange component, the positioning ring and the cooling cylinder form a sealing cavity. A sealing cavity inlet is formed in the top of the positioning ring, a sealing cavity outlet is formed in the bottom of the flange assembly, a cooling cavity is formed in the cooling cylinder, a cooling cavity inlet is formed in the top of the cooling cylinder, and a cooling cavity outlet is formed in the top of the cooling cylinder; static rings are arranged on the two opposite sides of the flange assembly and the positioning ring, and a spring seat is installed on the peripheral side of the shaft sleeve. According to the utility model, through the arranged spring seat, the movable seat which is elastically matched with the two sides of the spring seat can drive the movable ring to move, so that the movable ring can meet the movement amount during the deformation of the stirring shaft, thereby reducing the influence of the extension of the stirring shaft or the middle sinking deformation on the mechanical seal, and prolonging the service life of the device.

The utility model relates to refrigeration equipment, which comprises a box body, a refrigeration chamber and a refrigeration system, the box body comprises an equipment chamber and a storage chamber, the equipment chamber is positioned above the storage chamber, and the effective volume of the storage chamber is increased, so that the storage of more articles is facilitated; the refrigeration chamber is arranged in the equipment chamber, and a communication channel is arranged between the refrigeration chamber and the storage chamber; the refrigerating system comprises a compressor, a first heat exchanger and a second heat exchanger which are sequentially connected through a refrigerating pipeline, and the second heat exchanger is arranged in the refrigerating chamber; in the defrosting process, the temperature in the refrigeration chamber rises, the high-temperature airflow naturally floats upwards, and the low-temperature airflow in the storage cavity naturally sinks, so that heat exchange between the refrigeration chamber and the storage cavity can be effectively reduced, the temperature rise of the storage cavity in the defrosting process is reduced, additional refrigeration operation is not needed, and more energy is saved.

The utility model relates to the field of tarpaulin, and discloses a sun-resistant truck tarpaulin which comprises a tarpaulin body, the tarpaulin body comprises a sun-resistant layer, a waterproof layer, a thermal insulation layer, a cloth core layer and a wear-resistant layer, the thermal insulation layer is pressed on the outer side of the cloth core layer in a covering mode, and the wear-resistant layer is pressed on the inner side of the cloth core layer in a covering mode. The sunscreen layer is made of polyester fibers and can effectively reflect ultraviolet rays and protect the tarpaulin from being affected by aging of the ultraviolet rays, so that the service life of the tarpaulin is prolonged. The thermal insulation layer is made of glass fibers, has good thermal insulation performance and low thermal conductivity, and can effectively prevent external heat from being transmitted to the inside of the awning cloth, keep the temperature in the awning cloth stable, reduce temperature rise caused by direct sunlight, protect goods from being affected by overheating, and improve the service life of the awning cloth. The sunscreen layer and the thermal insulation layer of the truck tarpaulin can effectively protect the truck from being damaged by ultraviolet rays and control the temperature rise in the tarpaulin, so that the safety of goods is ensured, and the energy consumption is reduced.

The utility model discloses a thermosensitive developing gas phase cooling exhaust guide interface which comprises a joint structure, the bottom end of which is connected with an air inlet; the air outlet mechanism is connected to the top end of the connector structure; the two sides of the connector structure are each provided with two heat exchange connectors, and a one-way communication mechanism is connected between every two adjacent heat exchange connectors. The connector structure comprises a connector box, partition plates and a connecting pipe, the multiple partition plates are fixedly assembled in the connector box and used for partitioning the space of an inner cavity of the connector box, and the multiple partition plates are connected with the connecting pipe in a penetrating mode. According to the utility model, the arrangement mode that the joint structure is matched with the air outlet mechanism is utilized, and the temperature-sensitive color-changing coating is coated on the temperature-sensitive display tube, so that when hot air is exhausted, the color is changed along with the temperature rise, a dynamic warning effect on customers is achieved, personnel are effectively prevented from being scalded, and the temperature rise in a laboratory caused by direct heat emission is reduced; indoor heat management is effectively carried out, and energy is saved.

The utility model provides a lubrication guide device of a rapier belt, which relates to the technical field of rapier looms, and comprises a rapier conveying plate main body and a lubrication mechanism, the lubrication mechanism is arranged on one side of the rapier conveying plate main body, and the lubrication mechanism is convenient for timely supplement and maintenance of lubrication effect after lubrication materials are consumed. A rotary table provides gravity support for a bottom connecting element; a regulation and control motor drives the rotary table to rotate, so that a threaded rod rotates, a supporting plate is driven to adjust the vertical position, and the horizontal contact point of a brush and a rolling rod is changed; a limiting rod prevents the supporting plate from deviating during displacement; the driving motor drives the rotating shaft to rotate, the brush rotates towards the rolling rod and makes contact with the surface of the rolling rod to conduct lubricating work, the lubricating oil adheres to the lubricating oil in the hanging box back and forth after being consumed, the lubricating effect is guaranteed, the rolling rod on the outer side of the rapier belt provides rolling friction, and temperature rise caused by friction in the operation process of the rapier belt is reduced.

The invention discloses a high-temperature hot delivery control method for a continuous casting square billet, relates to a steelmaking continuous casting technology, and provides the scheme aiming at the problem that in the prior art, the hot delivery crack defect of the casting billet is easily generated. Comprising the following steps of increasing the pulling speed, optimizing the secondary cooling strength of a casting blank, improving continuous casting covering slag, improving a blank moving mode and increasing the casting blank charging speed, wherein a blank moving trolley and a hot conveying roller bed motor are accelerated. The method has the advantages that the charging temperature of the continuous casting square billet hot delivery steel billet is increased to be larger than or equal to 850 DEG C through technical measures such as production process adjustment of the continuous casting small square billet, pulling speed increase, secondary cooling strength optimization, heat preservation of the conveying roller way, hot delivery assembly square billet optimization and speed increase matching of the conveying roller way. And the heating temperature of the steel billet in the steel rolling heating furnace is reduced, so that the coal gas consumption is reduced, and the energy is saved. The defect of casting blank red-feeding cracks can be effectively overcome, and gas consumption of a steel rolling heating furnace is reduced.

The utility model relates to the field of automobiles, and discloses a frameless car window laminated glass lightweight structure which comprises left side outer piece common glass and right side outer piece common glass, and the rear surface of the left side outer piece common glass and the rear surface of the right side outer piece common glass are both fixedly connected with PVB films. The rear surfaces of the two PVB films are fixedly connected with inner polycarbonate glass, and the rear surfaces of the two pieces of inner polycarbonate glass are fixedly connected with metal films; through the arrangement of a universal laminated glass structure and the optimization of the design of the inner glass material of the frameless car window interlayer, the final assembly pre-bending property is better, the frameless laminated glass is prevented from being broken due to stress, the maintenance risk of the frameless car model and the high-speed driving wind noise are reduced, and the product quality is improved; the metal film is attached to the outer side of the inner glass, temperature rise in the automobile after the automobile is exposed to the sun is relieved, ultraviolet radiation is resisted, energy is reflected, the automobile is warm in winter and cool in summer, oil and money are saved, and people cannot be hurt when accidents happen.

The utility model belongs to the technical field of ventilation and heat dissipation, and particularly discloses a ventilation structure for electromechanical equipment, which comprises an equipment body, ventilation holes are formed in the outer surface of the equipment body, small fans are arranged in the ventilation holes, an activated carbon tank is arranged at the bottom of the inner wall of the equipment body, and an air bag is arranged at the top of the inner wall of the equipment body. A slide way is arranged on the inner wall of the equipment body, a dehumidification mechanism used for improving the internal humid environment of the equipment body is arranged in the equipment body, and a proper amount of activated carbon particles are put into the activated carbon tank. According to the ventilation structure for the electromechanical equipment, the characteristics of extruding the air bag to accelerate airflow flowing and absorbing moisture of the activated carbon are combined, moisture invasion can be more effectively prevented in a humid environment, humid air can be rapidly taken away through rapid airflow flowing, the activated carbon adsorbs and keeps moisture, a synergistic effect is formed, the ventilation and heat dissipation effects are improved, and the service life is prolonged. And the reliability and the stability of the equipment are improved.

The utility model discloses a split cross-flow reverse-flow type cooling device for a gasoline engine, and belongs to the technical field of engine cooling. The liquid supplementing kettle is communicated with the cylinder cover water jacket through the degassing pipeline, the degassing pipeline is further communicated with the radiator, the water outlet pipe is communicated with the radiator, the water outlet pipe is communicated with the cylinder body water jacket and provided with the thermostat, the thermostat is arranged on the air inlet side of the cylinder body water jacket, the cylinder body water jacket is connected with the cylinder cover water jacket, and the cylinder body water jacket is provided with a drainage channel and communicated with the cylinder cover water jacket. A water inlet of the water pump is communicated with the radiator, a water outlet of the water pump is communicated with the cylinder cover water jacket, and oil cooler inlet return water and EGR cooler inlet return water are respectively connected with corresponding ports of the water pump. According to the integrated cooling system, exhaust side water inlet, reverse flow cooling, cross flow cooling, cylinder body and cylinder cover split cooling and cylinder cover layered cooling are designed in an integrated mode, cooling liquid water inlet is reasonably arranged, the flow of all the positions needing cooling is accurately distributed according to requirements, efficient, even and accurate cooling is finally achieved, and design support is provided for actual engineering application.