190 results about "Moisture condensation" patented technology

The invention relates to the field of automatic control, in particular to a humidity control method and system for a switch cabinet, and the method comprises the steps: obtaining the temperature values and humidity values of a plurality of time points in the switch cabinet, and calculating the dew point temperature in the switch cabinet based on the temperature value and humidity value of a high-temperature region at the current moment. In consideration of unbalanced temperature distribution in the switch cabinet, whether condensate water is generated in the low-temperature area is mainly considered, and the temperature of the low-temperature area is mainly influenced by the heat transfer effect of the high-temperature area and the environment where the low-temperature area is located. Therefore, the temperature range of the low-temperature region is estimated on the basis of a pre-constructed temperature distribution model, the temperature value of the high-temperature region, and the ambient temperature. And determining whether the temperature of the low-temperature area is lower than the dew point temperature or not through trend analysis and dew point temperature comparison. And if the possibility exists, the water vapor condensation risk is speculated to exist. When water vapor condensation risks exist in the low-temperature area of the switch cabinet, the dehumidification module is controlled to dehumidify the interior of the switch cabinet, and water vapor condensation is avoided.

The invention discloses a liquid cooling dehumidification unit and relates to the field of humidity control, the liquid cooling dehumidification unit comprises a second loop and a bypass branch, a compressor provides power for the second loop, a high-temperature refrigerant of an evaporator is conveyed to a condenser to dissipate heat and cool the outside, and the cooled refrigerant flows back to the evaporator; the bypass branch and the evaporator are arranged in parallel, and the refrigerant cooled by the condenser is divided into two paths to flow through the bypass branch and the evaporator respectively, so that the bypass heat exchanger and the evaporator form low temperature; the bypass heat exchanger and the condenser are arranged side by side, the second loop and the bypass branch share the same fan for heat dissipation, the fan guides airflow to pass through the bypass heat exchanger and the condenser respectively, high-temperature air formed after passing through the condenser is cooled by the bypass heat exchanger, and water vapor carried when the high-temperature air reaches the bypass heat exchanger is condensed into water drops. Condensation and dehumidification are achieved. And the second loop and the bypass branch share the same fan, so that structures and pipelines are reduced, and the space utilization rate is increased.

The invention relates to an aerosol moisture absorption and activation process observation system and an observation method thereof. The aerosol moisture absorption and activation process observation method comprises the following steps: collecting sample gases under different humidity conditions, and carrying out particle size screening on the sample gases to respectively obtain aerosols with different particle sizes; measuring scattering coefficients of the aerosols with different particle sizes under different humidity conditions; calculating scattering moisture absorption growth factors of the aerosols with different particle sizes according to the scattering coefficients, and performing inversion calculation on the scattering moisture absorption growth factors so as to obtain moisture absorption, water content, volume concentration and surface area concentration of the aerosols; according to the scattering coefficients corresponding to the aerosols with different particle sizes in the environment state, the dry state critical particle sizes of the aerosols with the dry state increased to 1 micrometer and 2.5 micrometers through water vapor condensation and the scattering moisture absorption growth factor of the aerosols with the environment state ranging from 1 micrometer to 2.5 micrometers are calculated in an inversion mode, and the effective supersaturation ratio of the cloud mist is obtained through inversion. And the aerosol moisture absorption and activation process observation system is arranged according to the aerosol moisture absorption and activation process observation method.

The invention provides a water vapor interference resistant sensor air chamber and a dynamic dehumidification method thereof.The sensor air chamber is characterized in that an acquisition control module, a temperature acquisition assembly and a heating and heat preservation assembly are arranged in an air chamber structure assembly, and the acquisition control module is connected with the temperature acquisition assembly and the heating and heat preservation assembly; the heating and heat preservation assembly is arranged on the outer side of the sensor, the collection control module carries out data processing and regulation and control parameter calculation, and precise moisture-proof control is achieved. Meanwhile, the invention discloses a dynamic dehumidification method. In combination with the change of sensor signals and the moisture condensation temperature under different temperature conditions, the heating and heat preservation assembly is started to heat the air chamber, so that the temperature of the air chamber is always higher than the dew point temperature and is fixed as the temperature difference value of the air chamber temperature and the environment temperature, and the moisture is effectively prevented from condensing in the air chamber or interfering a detection signal; the problem that the sensor is prone to false alarm in the humid environment is solved, data are stable and reliable in the humid environment, and detection precision and stability are improved.

The invention discloses a novel intelligent control cold and heat dehumidification device, and relates to the technical field of substation maintenance. Comprising a cabinet body, an intelligent controller and an outer shell which are arranged in the cabinet body, and a heating assembly arranged in the outer shell of the cabinet body; the condensation unit comprises a condensation plate arranged in the cabinet body, a flow guide assembly arranged in the condensation plate, and a collection assembly arranged at the lower end of the condensation plate. According to the device, by arranging the condensation assembly, moisture in hot air can be condensed independently, the situation that when the external temperature of the cabinet body is lower than the internal temperature, the moisture in the hot air is condensed to damage equipment can be effectively avoided, and by arranging the adjusting unit, water drops can be collected on the two sides of the inner wall, where the temperature can be conducted most easily, in the cabinet body; through the arrangement, it can be avoided that when the heater heats air, the steam content in the hot air is too much, and the working efficiency and difficulty of heating and dehumidification are weakened.

The invention discloses an intelligent sound wave rainfall excitation system and relates to the field of sound wave rainfall, sound waves can be rapidly spread and act on a large-area cloud layer, and the rainfall excitation effect is remarkable and rapid. And if the intelligent control device detects that the current environment condition meets the preset rainfall excitation condition, the air compression device and the sound wave generator are controlled to be in a working state. The air compression device in the working state is used for pressurizing air; sound wave beams generated by the sound wave generator in the working state can form a sound wave field for exciting water vapor condensation in the cloud layer. The sound wave generator and the air compression device work together, water vapor in a cloud layer is promoted to be condensed into raindrops through sound wave beam disturbance and spraying of air in a high-pressure state, the water vapor condensation speed and efficiency can be remarkably increased through spraying of the air in the high-pressure state, and the rainfall excitation effect is enhanced through combined action with sound wave beams.

The invention discloses a comprehensive distribution box, the front side of a dehumidifying assembly is provided with a driving assembly used for driving the dehumidifying assembly to rotate, and the front side of the driving assembly is provided with a humidity detection sensor used for detecting the humidity in a distribution box body. The scraping device comprises an adjusting assembly which is arranged in the distribution box body and is used for being connected with the driving assembly. A rod body of the adjusting assembly is in threaded connection with a scraping assembly which is used for scraping condensation of the top cover. Therefore, the motor drives the rotating shaft to rotate, and the bidirectional lead screw is driven to rotate through transmission of the belt pulley I and the belt pulley IV, so that top cover condensation on the scraper blade is effectively removed; meanwhile, transmission of the belt pulley II and the belt pulley III enables the transmission shaft to rotate synchronously to drive the fan to accelerate air circulation in the box and exhaust moisture; through a multi-stage protection mechanism, condensation is prevented from directly dripping to damage an electric appliance, moisture condensation and backflow caused by internal and external temperature difference are inhibited, and equipment faults caused by condensation water seepage coupling are effectively prevented.

The invention provides a photovoltaic module anti-icing and defrosting structure based on a composite coating and a control method thereof, a system comprises a control unit, and a super-hydrophobic coating, a metal electrode layer, a phase change energy storage layer and a selective radiation layer which are sequentially laminated on the surface of photovoltaic glass, and the metal electrode layer is electrically connected with a pulse power supply. The control method comprises the following steps: M1: daytime working mode: the selective radiation layer radiates the heat of the photovoltaic module into the air to reduce the surface temperature of the photovoltaic module and reduce moisture condensation; m2: a night frost prevention mode: when the temperature is reduced to-2.5 DEG C, the phase change energy storage layer releases latent heat, and the frosting speed is delayed for 2-3 hours; due to the surface contact angle of the super-hydrophobic coating, water drops are difficult to stay and nucleate, and the ice adhesive force is less than 50kPa; and M3, a pulse deicing mode: when the thickness of the ice layer is detected to be greater than or equal to 0.2 mm, the current of a pulse power supply passes through a metal electrode layer, and instantaneous temperature rise is generated on an ice-glass interface, so that the ice layer is stripped. According to the system, multiple coatings are cooperated, so that the energy consumption is greatly reduced while the deicing and demisting effects are ensured.

The invention relates to a humidity-adjustable anti-condensation coating which comprises the following components in parts by weight: 10-25 parts of expanded microspheres, 15-40 parts of an emulsion, 0-5 parts of rutile titanium dioxide, 1.7-5.9 parts of an auxiliary agent and the balance of water, wherein the total amount is 100 parts; the expanded microspheres are prepared by heating and expanding unexpanded microspheres at 60-80 DEG C; the emulsion is elastic acrylic emulsion and / or polyvinyl acetate emulsion. The expanded microspheres and the polymer emulsion are compounded, other porous or heat insulation materials are not needed, the formed coating can absorb a large amount of water vapor under high humidity and release the water vapor under low humidity, wall surface dew formation and mildew caused by too high environment humidity are avoided, the coating has an ultra-low heat conductivity coefficient, and the coating can be widely applied to wall surface decoration. The moisture condensation condition caused by the fact that the wall surface temperature is lower than the water vapor dew point is effectively avoided, and the excellent moisture adjusting, heat preservation and moisture condensation preventing capacities are achieved. Besides, gas is sealed in the expanded microspheres, and when external force acts on the coating, the shell of the expanded microspheres is made of the flexible polymer, so that structural damage can be reduced and the anti-condensation effect of the coating can be maintained when the expanded microspheres are subjected to the external force.

The utility model discloses a precise compressed air filter element which comprises an air inlet pipe, the bottom of the air inlet pipe is fixedly connected with a shell, a refrigeration assembly is installed in the shell, the bottom of the refrigeration assembly is symmetrically and fixedly connected with two special-shaped copper plates, and one side of the outer surface of each special-shaped copper plate is provided with a multi-protruding-block copper plate in a matched mode. The outer surfaces of the two multi-lug copper plates are jointly and fixedly connected with a gas bundling pipe, and the inner surface of the gas bundling pipe is fixedly connected with a plurality of inclined baffles. According to the utility model, through the arrangement of the refrigeration assembly, the special-shaped copper plate, the multi-bulge copper plate, the inclined baffle and the air bundling pipe, air in the air inlet filter element can be condensed, water vapor in the air is condensed into small water drops, and the water vapor is prevented from entering the filter element and being combined with dust to form blocks, so that the filter element is blocked and is not easy to clean; the air distribution pipe is rotated by utilizing air, so that the air is uniformly distributed in the filter element, stress concentration is avoided, and a protection effect on the filter element is achieved.

The invention provides a hot steam exhaust system and a working method thereof.The hot steam exhaust system comprises a gas collecting hood, an exhaust fan, a total heat exchanger, a first air pipe, a second air pipe and a third air pipe, one end of the first air pipe is connected with the outlet end of the gas collecting hood, and the other end of the first air pipe is connected with the inlet end of the exhaust fan; the two ends of the second air pipe are connected with the outlet end of the exhaust fan and the first inlet end of the total heat exchanger correspondingly. The first outlet end of the total heat exchanger is connected with one end of the third air pipe. The exhaust fan and the total heat exchanger are integrated, heat of hot steam exhausted by the exhaust fan is recovered based on the total heat exchanger, the temperature of the hot steam is reduced, energy is saved, meanwhile, the probability of moisture condensation in the exhaust pipe is reduced, the service life of the exhaust system is prolonged, and high practicability is achieved.

This utility model relates to an external heating device for an inkjet printer printhead, comprising a heating sleeve, a heating wire, and a sweeping and blowing assembly. A sweeping and blowing channel is formed within the heating sleeve, and an air inlet communicating with the sweeping and blowing channel is provided on the outer wall of the heating sleeve. The heating wire is installed on the outer wall of the heating sleeve for heating the heating sleeve. The sweeping and blowing end of the sweeping and blowing assembly communicates with the air inlet. When the printhead is placed inside the heating sleeve, the heating wire heats the heating sleeve, thus placing the printhead inside the heating sleeve in a high-temperature environment, preventing moisture condensation on the printhead. Simultaneously, by blowing air into the sweeping and blowing channel of the heating sleeve through the sweeping and blowing assembly, high-humidity external air can be prevented from entering the heating sleeve and causing the printhead to become damp.

The utility model relates to a kind of coating device with antiskid conveying structure, core improvement is to replace the first over roller of traditional metal over roller of winding guide roller group with plastic material and the first over roller of surface being equipped with antiskid structure, to solve traditional technical defects.Plastic material friction coefficient is higher than metal, can naturally promote and the contact friction of flexible copper-clad plate substrate, surface antiskid structure is matched, can further increase effective contact area, make friction force multiple level promotion, ensure that flexible copper-clad plate substrate is stably and uniformly conveyed to winding mechanism.Meanwhile, plastic thermal conductivity is far lower than metal, surface temperature is little by environmental temperature and humidity fluctuation, not easy to reduce to dew point temperature below, reduce the condensation of over roller surface water vapor from the source, greatly reduce the probability of dewing, both eliminate the negative influence of water droplet on friction coefficient, consolidate antiskid effect, prevent flexible copper-clad plate substrate from being damp and deforming, improve the reliability and service life of final product.

The utility model discloses a condensing device and a steaming oven, and relates to the technical field of kitchen electric appliances, the condensing device comprises a shell, an air supply device, a condenser and an air guide pipe; a condensation cavity is defined by the shell, and the shell is provided with an air inlet and an air outlet which are communicated with the condensation cavity; the condenser is arranged in the condensation cavity; the air supply device is configured to blow air to the condenser through the air inlet; the gas guide pipe is communicated with the condensation cavity and the working cavity of the steaming and baking oven, so that waste gas generated in the working cavity of the steaming and baking oven can enter the condensation cavity through the gas guide pipe, water vapor in the waste gas is condensed into water after the waste gas is condensed by the condenser, the temperature of the waste gas is reduced, and the waste gas becomes low-temperature and low-humidity gas; the air supply device blows air to the condenser through the air inlet, so that heat on the condenser can be rapidly taken away, the condensation effect of the condenser is improved, meanwhile, waste gas is driven to be exhausted from the exhaust port, and at the moment, the gas exhausted from the exhaust port is low-temperature and low-humidity gas, cannot scald a user and is not prone to being condensed into water drops.

The utility model discloses a plant watering maintenance device which comprises a water collecting unit and a water conveying unit, the water collecting unit is communicated with the external environment, the water collecting unit comprises a semiconductor chilling plate, and the semiconductor chilling plate can enable water vapor in the water collecting unit to be condensed to obtain condensed water; the water conveying unit is connected with the water collecting unit, the water conveying unit comprises a water conveying insertion rod, the water conveying insertion rod can be inserted into soil where the roots of plants are located, the water conveying insertion rod is communicated with the water collecting unit, and the water conveying insertion rod is provided with water permeable holes. The semiconductor chilling plate of the water collecting unit can enable water vapor in air to be condensed, so that the water collecting unit can smoothly obtain condensate water, the water conveying insertion rod is communicated with the water collecting unit, the condensate water is smoothly conveyed into the water conveying insertion rod and permeates into soil where the roots of plants are located through water permeable holes of the water conveying insertion rod, and watering maintenance of the plants is achieved. The operation convenience of plant watering and maintenance is improved, and the plant watering and maintenance difficulty is lowered especially in areas without water supply pipe networks.

The utility model discloses a heat preservation clamping plate material for a building refrigeration house, and relates to the technical field of heat preservation clamping plate materials, the heat preservation clamping plate material comprises a heat preservation material body, supporting plates are fixed to the two sides of the heat preservation material body, a connecting plate is fixed between the two supporting plates, and the connecting plate is fixedly connected with the heat preservation material body; a hydrophobic layer is arranged on the inner side of the thermal insulation material body, the hydrophobic layer is a hydrophobic agent coating, a reflecting layer is arranged on the outer side of the thermal insulation material body, and the reflecting layer is a reflecting paint coating. The hydrophobic layer formed by coating the water repellent is located on the inner wall of the refrigeration house, so that the inner wall of the refrigeration house has good hydrophobicity, moisture in the air can be effectively prevented from making contact with the clamping plates, and heat preservation performance reduction caused by moisture condensation is reduced. The reflecting layer formed by coating the reflecting coating is located on the outer wall of the refrigeration house, the refrigeration house has extremely high reflectivity through the reflecting layer, most heat can be reflected, and then the heat preservation effect of the refrigeration house is further improved.

The invention relates to the technical field of temperature monitoring, and particularly discloses a temperature monitoring device for heat supply monitoring, which comprises a mounting bracket; a temperature monitoring unit; monitoring the driving unit; a dehumidification unit; an air drying unit; and a gas supply unit. When the temperature monitoring piece extends out of the protected housing, the temperature monitoring piece is sequentially subjected to primary dehumidification through rotation of the dehumidification unit and secondary air drying through directional airflow of the air drying unit, condensed water drops possibly generated on the surface of the probe due to environment temperature difference can be actively and effectively removed, and interference of the water drops on temperature sensing is fundamentally avoided; it is ensured that high-precision temperature data can be obtained through each time of extension monitoring; in a non-monitoring period, the temperature monitoring piece retracts into the housing, so that the contact time of the temperature monitoring piece and humid air in a pipe network is greatly shortened, and the water vapor condensation risk is greatly reduced; the drying treatment is completed at the extension moment in the monitoring period, so that the adaptability and long-term stability of equipment in a severe and humid environment are improved, and the device is particularly suitable for being applied to key nodes of a heat supply pipe network needing frequent or timed monitoring.

The utility model relates to the technical field of waste gas emission structures, and discloses a plastic production workshop waste gas emission structure which comprises a first exhaust pipe and a second exhaust pipe, the left side of the inner wall of the first exhaust pipe is fixedly connected with a Venturi cover, the left side of the inner bottom wall of the first exhaust pipe is provided with a water accumulation groove, and the inner bottom wall of the water accumulation groove is communicated with a water drainage pipe. Two guide plates are fixedly connected to the inner bottom wall of the water accumulation tank, the inner walls of the two guide plates are slidably connected with the same light floating rod, a sealing plug is fixedly connected to the bottom of the light floating rod, and a pressure sensor is fixedly connected to the rear side of the right end of the Venturi cover. According to the waste gas collecting device, moisture and impurities in waste gas are blocked through the Venturi cover, the moisture condenses and slides into the water accumulation tank, when accumulated water is increased, the light floating rod drives the sealing plug to drain water from the water drainage pipe, the pressure sensor is matched with the frequency converter to control the rotating speed of the exhaust fan, and the waste gas collecting efficiency is improved.

The present invention provides a control method, a control device, a cooking device and a storage medium for a cooking device. The method includes: controlling a heating device to start working to raise the cooking temperature to a target temperature; obtaining the heating duration after the cooking temperature reaches the target temperature; in the case where the heating duration reaches a second target duration, controlling the heating device to stop working and obtaining the cooling duration after the heating stops working; controlling a stirring device to adjust the stirring speed according to the cooling duration. The embodiments of the present application can fully volatilize the moisture inside the food materials, avoid the softening of the food materials caused by water vapor condensation, make the food materials more crispy, improve the taste of the food materials cooked by the cooking device, and thus effectively improve the cooking effect of the cooking device.

The invention discloses a sludge drying intelligent management and control system based on Internet of Things, and belongs to the technical field of sludge drying. Comprising a sludge drying machine, a circulating fan, a pre-cooling heat exchanger, a condenser and a heater, the sludge drying machine is provided with a feed port, a discharge port, a hot air inlet and an exhaust port, the exhaust port of the sludge drying machine is connected with the circulating fan, and an air outlet of the circulating fan is connected with the hot air inlet of the sludge drying machine after passing through the pre-cooling heat exchanger, the condenser and the heater. The water source heat pump unit raises the environmental heat energy to 60-80 DEG C, the environmental heat energy is fed into the conveying belt through the air duct, the circulating fan circularly inputs the dried gas into the sludge drying machine after three-stage heat exchange (pre-cooling, condensation and preheating) to dry the sludge, the moisture condensation rate reaches 90%, and the waste heat recovery rate exceeds 80%.

The utility model relates to a semiconductor component inspection system, which comprises a carrying outer box body, a constant temperature box and a detection box, the carrying outer box body moves under the driving of a carrying motion module through a carrying transfer frame, and a carrying sucker is arranged in the carrying outer box body through a carrying support and a carrying push rod module; a stop lever is mounted at the bottom of the carrying suction cup mounting frame on the left side of the carrying suction cup; an air duct is mounted in the carrying outer box body on the outer side below the carrying suction cup; and closed structures are mounted at a carrying opening in the bottom of the carrying outer box body, a constant-temperature opening in the top of the constant-temperature box and a detection opening in the top of the detection box. According to the utility model, dry air is input into the carrying outer box body through the air duct, so that the problems of moisture condensation and the like on the surface of an element can be solved, the input amount of the dry air is greatly reduced, and the treatment effect is improved.

The invention relates to the technical field of glass deep processing, and discloses a process optimization method for comprehensive prevention and treatment of a watermark and a paper mark of a glass finished product, and the risk of the watermark and the paper mark caused by environmental factors is reduced by accurately controlling the temperature, the humidity and the air velocity of a production workshop, transportation and storage environments in regulation and control of a glass production environment; in the production process, the links of cleaning, drying, tempering and cooling are optimized, and the electrical resistivity of cleaning water and the accurate drying temperature and time control parameters of the cleaning water are standardized, so that water stain residues are reduced, and the influence of moisture condensation and abnormal temperature is avoided; in the packaging link, mildew-proof paper is selected and subjected to high-pressure drying treatment, corrugated boards are matched, the number of drying agents is increased, and meanwhile transportation, loading and unloading operation is standardized; and finally, by detecting the water stain defect area on the surface of the finished glass product, establishing a quality evaluation standard and comprehensively evaluating the whole process, the method synergistically exerts force in multiple links from preparation to packaging, so that the quality of the finished glass product is improved, and the problems of watermarks and paper marks are reduced.

The utility model discloses a pipeline anti -blocking device, including the bottom plate, the top fixedly connected with the gas storage tank of bottom plate, the middle end of gas storage tank top is fixedly installed with the air pump through bolt, the air outlet of air pump is fixedly connected with booster pump through the air guide pipe, and the bottom of booster pump is fixedly connected with the top of bottom plate. The utility model discloses a air purification system through air compressor, purification box, heater and air filter screen composition. Air compressor extracts air to the inner chamber of purification box, and heater heats the air, reduces air humidity, prevents the dirt adhesion in pipeline from the water vapor condensation, and air filter screen filters the impurity in air, guarantees the clean gas of entering pipeline, further reduces the risk of pipeline blockage, can play the purpose of inflation, through the cooperation of air pump, booster pump, gas pipe and main pipeline, can deliver the gas with certain pressure to the pipeline.

The utility model provides a drying room for baking pseudo-ginseng, which relates to the technical field of pseudo-ginseng production equipment and comprises a main body and a baking mechanism, a control platform is mounted on one side of the main body, the baking mechanism is mounted in the main body, the baking mechanism enhances heat energy utilization and reduces heat energy dissipation, and a C-shaped plate supporting element is mounted on the main body. A plurality of groups of electric heating rods surround the hollowed-out box to supply heat, so that internal medicinal materials are uniformly heated, a heat reflecting layer reflects outward radiation, energy is saved, the heating effect is enhanced, a fan enhances hot air circulation to quickly dry the medicinal materials, the medicinal materials are placed in the hollowed-out box, and a user can conveniently transfer the position of the hollowed-out box through a grip; the wind power assembly changes moisture guiding, the draught fan provides airflow pressure intensity, the airflow pressure intensity passes through the flow guide pipe and is guided out through the upward nozzle, moisture is pushed to circulate with the ventilation opening above, the moisture flow guide direction is optimized, water drops condensed by water vapor fall down and are guided to one side through the slope body and discharged through the drainage valve, and the influence of internal moisture on use of the device is reduced.

The utility model belongs to the technical field of engines, and particularly relates to an anti-emulsification rapid warming device for a hydrogen engine. Comprising a first heat pipe array, a second heat pipe array, a phase change heat storage system, a cylinder cover water jacket, an upper cylinder body water jacket and a lower cylinder body water jacket and is used for adjusting the temperature of an engine through cooling liquid. The first heat pipe array is connected with an engine exhaust pipe and a lower cylinder body water jacket and used for transferring heat of the engine exhaust pipe to the lower cylinder body water jacket. The second heat pipe array is connected with the cylinder cover water jacket and the lower cylinder body water jacket and used for transferring heat of the cylinder cover water jacket to the lower cylinder body water jacket. The phase change heat storage system is connected with the lower cylinder body water jacket and used for storing heat of cooling liquid in the lower cylinder body water jacket and conveying the cooling liquid in the phase change heat storage system to the lower cylinder body water jacket when the engine is in cold start. The heat pipe array and the phase change heat storage are combined, the volume of cooling liquid needing to be heated in the warm-up stage is reduced, and the problem of engine oil emulsification caused by water condensation in cold start and low-temperature short-distance operation is solved.

The invention relates to the technical field of ship building, discloses an accurate temperature and humidity control method in the construction period of an LNG ship liquid cargo tank enclosure structure, and aims to carry out dynamic closed-loop control based on the difference value between the dew point temperature and the structure surface temperature through real-time monitoring and accurate calculation of the dew point temperature. And it is ensured that the air dew point temperature in the construction space is always lower than the safety margin set by the surface temperature of the enclosure structure, so that the risk of water vapor condensation is eradicated, and the CCS construction quality and reliability are improved. According to the method, accurate and dynamic control over the temperature and humidity in the construction period of the LNG ship liquid cargo tank enclosure structure is achieved, limitation of traditional static or empirical control is overcome, the structure surface temperature is monitored in real time, the dew-point temperature is calculated, it is ensured that the dew-point temperature is always lower than the safety margin of the structure surface temperature, water vapor condensation is effectively prevented, and the safety performance of the structure is improved. And dew point temperature calculation based on an algorithm is adopted, so that the calculation precision and the real-time performance are improved, and errors caused by manual table look-up or estimation are avoided.

The invention provides a PGU-LCOS chip and light source co-packaging thermoelectric collaborative management system, which is characterized in that thermal visual features are extracted through infrared thermal imaging and SIFT and Mask R-CNN algorithms, a thermal similarity index is calculated, and a heat transfer state is divided into a single-phase convection area, a nucleate boiling area and a critical heat flux area according to TSI; a competitive model of the TEC refrigeration capacity and system thermal inertia is constructed, and the optimal refrigeration boundary is determined online; dynamically adjusting the TEC current by adopting PID and a feedforward acceleration compensation algorithm; a hierarchical self-adaptive micro-channel is generated by combining TSI hot spot information through Voronoi and a Gaussian flux model, and directional liquid cooling is achieved; a diamond cooling fin, nano-silver sintering paste and a fine polishing cold end are arranged on a chip-TEC interface to reduce thermal resistance; dynamically distributing the power of the TEC and the liquid cooling pump based on the heat flux residual ratio; and moisture condensation is inhibited through cold end micro-heating and a hydrophobic coating. According to the cooperative scheme, temperature precision, quick response and high reliability can be achieved, and the thermal management requirement of ultrathin and miniaturized projection display is met.

The invention discloses a waterproof and moistureproof AC low-voltage power distribution cabinet, and relates to the technical field of electric power, the waterproof and moistureproof AC low-voltage power distribution cabinet comprises a sealing box and a supporting box, the supporting box is internally provided with a cooling and dehumidifying mechanism, the cooling and dehumidifying mechanism comprises a first fan and a dehumidifying bin, the dehumidifying bin comprises a first bin body and a second bin body, and the side wall of the first bin body is provided with a plurality of semiconductor chilling plates; the semiconductor chilling plate comprises a refrigeration end and a heating end, the refrigeration end faces the first bin body, the heating end faces the second bin body, and a plurality of vent holes are formed in the bottom of the first bin body; a plurality of air outlets and a plurality of suction openings are formed in the inner wall of the sealing box, the air outlets are opposite to the suction openings, third air pipes are arranged between the air outlets and the first bin body, and the suction openings are connected with fourth air pipes. Therefore, the flowing air carries heat away from the heating end, the cooling efficiency of the refrigeration end is improved, the temperature of the air is suddenly reduced after the air enters the first bin body, and the water vapor condensation speed is increased.

The invention discloses a dynamic energy efficiency management system of an efficient inverter compressor, and relates to the technical field of refrigerator energy efficiency management, the system collects visible light images of a monitoring area and working parameters of an evaporator in real time, calculates an airflow circulation coefficient Gcl, an evaporator efficiency coefficient Qa and a water vapor condensation coefficient Ds, and generates an airflow optimization coefficient Gopt. Through comparison with a set efficiency threshold value, the system can automatically judge whether the energy efficiency meets the standard or not, give out an early warning instruction according to an analysis result, adjust parameters such as the rotating speed of an evaporator fan and the refrigerant flow, and optimize the energy efficiency. In addition, the system also calculates a dynamic energy efficiency coefficient according to the water vapor dissipation rate and the frost layer ablation rate, and further evaluates the load index of the compressor. And if overhigh load or unqualified energy efficiency of the compressor is found, the system sends out a second control instruction to adjust the working state of the compressor. The operation efficiency of the compressor is improved, and energy waste is avoided.

The utility model discloses an anti-condensation structure for a building water supply and drainage pipeline. The anti-condensation structure comprises a protection half outer sleeve shell, a waterproof half layer fixedly connected to the inner side of the protection half outer sleeve shell, a heat preservation half layer fixedly connected to the inner side of the waterproof half layer, a rotating mechanism arranged at one end of the outer ring of the protection half outer sleeve shell, a clamping block arranged at one end of the rotating mechanism, and a scraping mechanism arranged at one end of the clamping block. A basic anti-condensation unit is formed by the two protection half outer sleeve shells, the waterproof half layer and the heat preservation half layer, after the multiple protection half outer sleeve shells, the waterproof half layer and the heat preservation half layer are wrapped with glue, the pipelines are in butt joint through the first rotating half ring and the second rotating half ring and fixed through the bolts and the nuts, mounting and dismounting can be rapidly completed, the scraping mechanism is fixed to the outer rings of the rotating half rings through the clamping blocks, operation is easy, and the cost is low. Natural wind or airflow blows an S-shaped blade and a middle S-shaped blade to drive a scraping mechanism and a rotating mechanism to rotate around a protective half outer sleeve shell, long and thin scrapers and short and thin scrapers scrape water drops and dust on the surface in all directions, and the moisture condensation phenomenon is greatly reduced in cooperation with a waterproof half layer and a heat preservation half layer.