861 results about "Environmental humidity" patented technology

The invention relates to a vapor barrier for use in the thermal insulation of buildings which can be used in particular, for thermal insulation procedures in new buildings or in the renovation of old buildings. The vapor barrier in accordance with the invention is thereby capable of achieving water vapor exchange under different ambient conditions. This is achieved by using a material which has a water vapor diffusion resistance which is dependent on the ambient humidity and which also has adequate tensile strength and tear resistance.

A humidity control apparatus and methods for use with, e.g., an environmental test chamber. In one embodiment, the apparatus comprises a system having a test chamber, a water tank, motive source for a gaseous humidity carrier, and temperature controllers for the tank and chamber. The carrier gas (e.g., air) is diffused through the water tank, thereby saturating the gas to a prescribed humidity level. This saturated gas is then passed into the chamber, and the environment within the chamber (i.e., humidity and temperature) controlled by the controller(s) so as to maintain the desired humidity level. The apparatus disclosed has the primary advantage of reducing or even substantially eliminating condensation within the test chamber when humidity levels are increased.

A method for producing a webbed fibrillar material includes providing a polymer material including a solvent; injecting the polymer material into an electric field toward an electrically charged target; controlling at least one process parameter to produce the webbed fibrillar material having one or more desired characteristics; and collecting the webbed fibrillar material from the target. The process parameter may be selected from the group consisting of an electric field strength, a temperature, a solution viscosity of the polymer material, a distance between an injection point and the target, a solvent type, a relative concentration of the solvent and polymer material, a molecular weight of the molecules of the polymer material, an environmental temperature, an environmental humidity, and a drying time of the injected polymer material.

The present invention discloses an alternating current transmission line insulator contamination condition detection method based on infrared thermography, wherein an infrared thermal imager is adopted to shoot an insulator thermal field image, an image treatment technology is adopted to extract an insulator image, relevant characteristic quantities are calculated, an environmental temperature and an environmental humidity are combined, and genetically-optimized neural network training is adopted so as to judge a contamination level of the insulator in the infrared image. The detection method has the following advantages that: an insulator contamination condition can be detected under a condition of no power failure, installation of any equipment on a pole tower is not required, operation cost and maintenance cost are low, operations are simple, use is safe and reliable, and detection accuracy is high.

A condensed-water air humidification system and method for an air conditioner adopts the structure that a water receiving plate is arranged below a heat exchanger of an indoor unit of the air conditioner, as well as a heat exchanger of an outdoor unit, the water receiving plates are communicated with respective water storage tanks through three-way pipes, the water storage tank of the outdoor unit pumps water into the water storage tank of the indoor unit through a water pump, the water storage tank of the indoor unit is connected with an ultrasonic humidifier which can send condensed water produced by both the indoor unit and the outdoor unit to indoor air by virtue of a humidification function, and an intelligent control card is used for controlling the temperature and the humidity in a control room, as well as the operation of the air-conditioning part of the indoor unit of the air conditioner and the ultrasonic humidifier, so as to ensure that the indoor environmental humidity and air temperature reach the required set values. According to the invention, the ultrasonic humidifier in the indoor unit of the air conditioner changes condensed water produced by both the indoor unit and the outdoor unit of the air conditioner into water vapor, and the water vapor is then released to the indoor environment. During the use of the air conditioner, the condensed-water air humidification system is favorable for a human body to feel comfortable at the indoor temperature and humidity.

The invention relates to a constant temperature dehumidification control method of an air conditioner. The method includes a compressor, a condenser, an outdoor fan, an evaporator, an indoor fan and an auxiliary electric heater. The method comprises the steps of A, enabling the air conditioner to enter a constant temperature dehumidification operation mode, starting the compressor and the auxiliary electric heater, and operating air conditioning system by a refrigerating circulating manner; B, detecting the indoor environmental humidity psi 1 through the air conditioner, and determining the difference to the set humidity psi 2; if the difference is not less than psi, entering step C; if the difference is less than psi, entering step D; C, controlling the indoor fan to rotate at medium rotating speed V, and keeping the auxiliary electric heater and the compressor running; D, controlling the indoor fan to run at a low rotating speed V1, and keeping the auxiliary electric heater and the compressor running; E, stopping the compressor when the indoor environmental temperature psi 1 is reduced to reach the set temperature psi 2, and controlling the indoor fan and the auxiliary electric heater to continuously run for a period of time T, and then stopping the air conditioner. The control method is simple; indoor constant temperature can be ensured while dehumidifying; in addition, the dehumidifying capacity can be increased, the power consumption of the air conditioner in dehumidifying can be decreased, and as a result, the operation efficiency of the air conditioner can be improved.

The invention discloses an infrared humidifier which comprises an infrared lamp tube, a humidity sampling circuit, a main control circuit, an output detection circuit and a silicon-controlled voltage regulation circuit. The humidify sampling circuit is electrically connected with the main control circuit and used for collecting environmental humidity data and inputting the same into the main control circuit, the main control circuit is electrically connected with the silicon-controlled voltage regulation circuit and the output detection circuit respectively and used for determining control signals of the silicon-controlled voltage regulation circuit according to the environmental humidity data and output parameters and outputting the control signals to the silicon-controlled voltage regulation circuit, the output detection circuit is electrically connected with the silicon-controlled voltage regulation circuit and used for detecting output parameters of the same and inputting the same into the main control circuit, and the silicon-controlled voltage regulation circuit is electrically connected with the infrared lamp tube and used for regulating the output parameters of the silicon-controlled voltage regulation circuit according to the control circuits to determine heat productivity of the infrared lamp tube. The lamp tube is avoided being frequently switched on and off, so that effects of prolonging service life of the humidifier and saving energy are realized.

The present invention relates to coated particles and pharmaceutical dosage forms comprising the active substances sensitive to environmental influences. The coating of the present invention provides stability and protection of the active substance to environmental influences and in particular from oxidation and/or environmental humidity by coating.

The invention discloses a preparation method for a positive plate of a lithium-sulfur battery. According to the invention, one or more selected from the group consisting of polyacrylic acid and polyacrylate is used as a binder and is uniformly mixed with a sulfur-containing material and a conductive additive, an obtained mixture is dispersed in a solvent, obtained slurry is coated on a current collector, and the current collector undergoes drying and tabletting so as to prepare the positive electrode of the lithium-sulfur battery. Polyacrylic acid and polyacrylate are both water system binders, can be dissolved by using water as a solvent, have a low requirement for environmental humidity, have no toxicity and have good mechanical peeling strength and excellent bonding performance, which enables structural stability of the electrode in a cyclic process to be improved, thereby enhancing cyclic stability of the battery; meanwhile, a glue-shaped structure of polyacrylic acid and polyacrylate can inhibit diffusion of polysulfide into electrolyte, which is favorable for improving cycle performance of the lithium-sulfur battery.

The invention discloses an environmental humidity control method for a sealed cavity. A drying gas branch circuit and a wetting gas branch circuit are supplied, wherein the drying gas branch circuit is connected with a three-way gas joint after being dried and regulated and controlled by a gas flowmeter; the wetting gas branch circuit is connected with the three-way gas joint after being wetted and regulated and controlled by the flowmeter; the drying gas and the wetting gas are converged into one path at the three-way gas joint to enter an environmental gas chamber of the sealed cavity; and the humidity control in the environmental gas chamber of the sealed cavity is adjusted by the charged flow proportion of the drying flowmeter gas and the wetting flowmeter gas. A device mainly comprises a drying gas source (12), a drying device (14), a drying gas flowmeter (16), a wetting gas source (10), a water tank (8), a wetting gas flowmeter (16), the three-way gas joint (4) and the environmental gas chamber (2) of the sealed cavity. The invention has simple, economic and practical control way, large regulating and control humidity range, simple equipment structure, convenient use, environmental protection and no pollution and can meet the use requirement of special atmosphere humidity in the sealed cavity.

The invention discloses an air conditioner and a control method and device thereof. The control method comprises the following steps: when the air conditioner is in cold running, obtaining a set temperature and a set humidity; obtaining a set moisture content according to the set temperature and the set humidity; obtaining a current indoor environmental temperature, a current indoor environmentalhumidity and a current indoor heat exchanger coil pipe temperature; obtaining a current moisture content and a current dew point temperature according to the current indoor environmental temperature and the current indoor environmental humidity; judging a size relation between the set temperature and the current indoor environmental temperature and a size relation between the set humidity and thecurrent moisture content; and carrying out temperature and humidity control on the air conditioner according to a judgment result, the current dew point temperature and the current indoor heat exchanger coil pipe temperature. According to the control method disclosed by the invention, the air conditioner can simultaneously meet comfortable requirements of a user for the temperature and the humidity, and the cost can be reduced.

A method and device for estimating toner concentration in a two-component developer consisting of toner and carrier for an electrophotographic image forming apparatus, and an image forming apparatus equipped with such device. The above method and device calculate an amount of toner charge from data detected by a transferred toner amount sensor, compensate the toner charge based on environmental humidity data and cumulative use period data of the image forming apparatus, and estimate toner concentration. The image forming apparatus equipped with the above device exerts control to predict toner consumption from the estimated toner concentration, supply toner to a developing unit according to the predicted toner consumption, and maintain the toner concentration in the developer at predetermined concentration.

The invention provides a dehumidifier control method and system, a storage medium, and a dehumidifier. The dehumidifier control method comprises the following steps: acquiring a temperature and humidity comfort curve, wherein the temperature and humidity comfort curve comprises a relation curve of target humidity corresponding to different environmental temperatures; and when the humidifier is inthe first working mode, adjusting the running state of the humidifier within a preset period of time according to the environmental temperature and humidity as well as the temperature and humidity comfort curve, wherein the running state comprises the target humidity and the fan rotation speed. Consequently, when the dehumidifier enters the first working mode, the running state of the humidifier can be automatically adjusted within the preset period of time according to the temperature and humidity comfort curve, thereby matching the environmental temperature and the environmental humidity best, and then improving the comfort of a user when the user sleeps or has a rest.

The invention discloses a method for preparing a fullerene-like carbon-based lubrication film material, wherein a fullerene-like carbon-based lubrication film is prepared by adopting a pulse bias auxiliary plasma strengthening chemical vapour deposition method; and a fullerene-like nano-structure is constructed in the carbon film by adjusting and controlling a pulse duty factor. Compared with the ordinary carbon-based film material, the film material disclosed by the invention shows high toughness and low environmental dependence and has ultra-low friction coefficient and wear rate both under a dry inert environment and a high-humidity atmospheric environment; the problems of being high in brittleness and high environmental humidity influence of tribological property of the carbon-based film material are overcome; and the application range of the carbon-based lubrication film material is greatly expanded.

A humidity sensor which utilizes microwave energy to determine a particular humidity value, e.g., a relative humidity, a specific humidity, or a dew point, without the need for delicate moving parts. The microwave humidity sensor requires little if any maintenance over a significantly long operational life, and is capable of highly accurate humidity measurements even at the extremes (e.g., toward 0% relative humidity and toward 100% relative humidity. In the disclosed embodiment, a microwave generator/transmitter is continuously or periodically pulsed to cause a known amount of microwave energy to be propelled through a metal tube structure, e.g., a waveguide tube structure. A microwave detector measures the amount of microwave energy at the other end of the tube structure. A processor measures the temperature of the ambient air within or just outside the tube structure and the pressure, and by measuring the output of the detector determines the amount of microwave energy which was absorbed during the passage through the tube structure. Given the amount of microwave energy absorbed and the temperature and pressure of the ambient air, a value for a desired humidity value is determined using interpolation as necessary from a look-up table containing empirically obtained absorption and temperature/pressure values for given humidity values.

The invention discloses a control method and device for an air conditioner and the air conditioner. The control method includes the steps of obtaining the set humidity of an indoor unit and the indoor environment humidity; calculating the humidity difference value between the set humidity and the environment humidity, and matching the humidity difference value with the preset humidity difference section to generate matching results; and according to the matching results, controlling fans of a plurality of heat exchange and air supply units to be operated at low speed or medium speed and expanding the opening degree of expanding valves. According to the control method, when the air conditioner is operated in a refrigeration and dehumidification mode, the opening degree of the expanding valves corresponding to different air outlets can be adjusted according to the indoor environment humidity, and therefore the air conditioner can meet the target needs of users for refrigeration and dehumidification simultaneously.

The invention discloses an air conditioner and a control method and device thereof. The method comprises the following steps: after the air conditioner is started, obtaining a target temperature set by a user, and acquiring an indoor environmental temperature and an indoor environmental humidity in real time; determining whether the current indoor environmental humidity is smaller than the presethumidity; if the current indoor environmental humidity is greater than or equal to the preset humidity, controlling the air conditioner to operate in a preset maximum dehumidification output or maximum dehumidification mode; if the current indoor environmental humidity is smaller than the preset humidity, controlling the air conditioner to perform refrigeration according to the preset maximum output capability; during the refrigeration operation of the air conditioner, determining whether the difference between the current indoor environmental temperature and the target temperature is smallerthan a first preset temperature difference; and if the difference between the current indoor environmental temperature and the target temperature is smaller than the first preset temperature difference, performing down-conversion control on the air conditioner. According to the control method, a good cooling effect can be achieved in a short time, energy consumption can be reduced, and energy saving is achieved.

The invention relates to a method for raising golden camellia seedlings by cutting. The method is specifically characterized in that: through constructing a small seedling raising greenhouse, an effect of both saving the investment on infrastructures and easily controlling the humidity of the seedling raising greenhouse is achieved; an aerial fog system consisting of a humidity control instrument, an ultrasonic humidifier and a water storage basin is established in a seedling raising yard, so that the environmental humidity, the disinfection and an action of supplying a nutrient solution for nursery stocks in the process of seedling raising can be precisely and automatically supplied by the humidifier controlled by the humidity control instrument, therefore, the degree of automation is high, and the work efficiency is greatly improved; a disinfectant prepared from carbendazim is absorbed by a high-absorption-power water-retaining agent and then solidified into a solid disinfectant, the solid disinfectant, yellow subsoil and fine river sand constitute a seedling raising medium, and the solid disinfectant can sustainably carry out nursing on cutting slips for 1-2 months; and the implementation process also comprises a method for collecting and treating branches of golden camellia, a seedling raising management method and a seedling raising management process. Through the implementation of the invention, the factorized, large-scale and intensified breeding production of nursery stocks of golden camellia is facilitated.

The invention provides a cable joint health diagnosis and heat fault pre-warning system. The system comprises a measurement control module, a communication module, a display module, an alarming module, a temperature sensor, a humidity sensor, a gas sensor, a stress sensor, a hoop metal strap, an environmental temperature sensor, an environmental humidity sensor and a control center network server. The different sensors are combined for online monitoring of cable joints, and by a manner different from an existing manner of alarming after occurrence of faults, unhealthy statuses and operation environments of the cable joints are measured and analyzed, such as temperature, humidity, gas, smoke, expansion, breathability, environmental temperature, environmental humidity and the like, and consequently low cost is guaranteed while sensitivity and accuracy of the pre-warning system are greatly improved. Therefore, health diagnosis and heat fault pre-warning of the cable joints are realized to effectively take preventive measures, reliability in operation of the cable joints and even an electric power system is improved, cable joint fault treatment time is shortened, and economic loss caused by faults of the cable joints is greatly reduced.

The invention relates to a negative pressure formation method of a lithium ion battery and the battery thereof. The negative pressure formation method comprises the following steps: sticking a hydrophobic permeable membrane on a liquid filling hole of the battery, adopting the negative pressure formation technology for carrying out formation on the battery, controlling the battery internal pressure in the range of vacuum degree of minus 0.01MPa-minus 0.1MPa, charging in the current range of 0.01C-1.5C, and carrying out the formation through the time control of the charging volume of the lithium ion battery. The battery formed by the method has high capacity playing of active substances, small internal resistance, small probability of shell bulging, long cycle life and long shelf life and is not affected by environmental humidity. Simultaneously, the method has the advantages of short formation time, high utilization rate of equipment, small energy consumption and small electrolyte loss, and is the high-efficient formation method which is conductive to environmental protection and suitable for mass production of the lithium ion batteries.

The invention provides a constant temperature dehumidification controlling method for an air conditioner. When the air conditioner performs refrigeration and dehumidification, start or close of auxiliary electric heat is adjusted in time according to the change of environmental temperature, so that the indoor environmental temperature is effectively controlled to be in a constant level when humidity is removed, which reduces the environmental humidity and keeps the room temperature is in a stable state. The method realizes constant temperature dehumidification through the following steps: S1, the air conditioner enters a refrigerating operation mode; S2, after the air conditioner starts to refrigerate or operates for a period t1 or achieves a certain condition, the auxiliary electric heating is started; and S3, the compressor of the air conditioner is switched on/off according to a preset operation logics, the auxiliary electric heating is switched on/off according to the preset operation logics or a control command until the air conditioner is shut down. The constant temperature dehumidification controlling method can realize constant temperature dehumidification without increasing cost, and creates a comfortable environment for users.

The invention relates to a digital monitoring device for a transmission line, which mainly comprises a main case, a support, a wine speed sensor, a wind direction sensor, an environmental temperature sensor, an environmental humidity sensor, a wire cable temperature sensor, an arc-shaped support, a rotating wind cup, a wind vane, a GPRS mobile communication antenna, a camera mechanism, a solar panel, a storage battery, a screened circuit box, a circuit board, a computer processor, a printer and an information transmitter. The temperature, humidity, wind direction and wind speed information is acquired through all the sensors, the running conditions of the line are acquired through the camera mechanism, and the information acquired by the main case and the camera is transmitted through the GPRS mobile communication antenna and is transmitted to the ground-based computer processor for programmed operation and printing. The device integrates the informatization, the digitalization and the programming technologies into a whole, realizes the on-line, remote control and monitoring measurement in all weathers, is safe, stable, reliable, accurate and rapid and fills the blank of scientific research of the kind of technology.

The invention belongs to the technical field of drying devices, and relates to a heat pump industrial drying machine, solving the technical problems of insufficient reasonable design in the prior art and the like. The drying machine comprises a box body; the upper part of the box body is provided with a sealed drying chamber; the drying chamber is internally provided with a cylindrical cylinder which is connected with a cylinder driving mechanism; the drying chamber is internally provided with a condenser which is positioned above the cylinder and the temperature is higher than the temperature in the drying chamber; one side of the condenser is provided with a circulation fan which can reduce the temperature of the condenser and blows hot air to a heated drying object in the cylinder; a dehumidifier the temperature of which is lower than that in the drying chamber is arranged below the condenser; a water collecting mechanism is arranged below the dehumidifier; and the lower part of the box body is provided with a heat pump system which is connected with the condenser and the humidifier. The drying machine has the advantages that the drying machine is easy to install, is convenient to use, is energy-saving, can dry rapidly, and adopts a nontraditional steam heating or electrical heating drying method, the using process is difficult to be influenced by the environmental humidity, and water steam is converted into cold condensation water and is exhausted in the treating process.

The invention discloses a wide domain all-state electromagnetic environment monitoring system and method based on the multi-parameter collaborative monitoring. The system comprises a multi-parameter detection unit and a monitoring center, the detected electromagnetic environment data are sent to the monitoring center by the multi-parameter detection unit, the multi-parameter detection unit comprises a three dimensional ground reference type electric field sensor probe, a three dimensional magnetic field sensor, a digital type temperature humidity integrated sensor, a digital type pressure sensor and an electret capacitor microphone. The electromagnetic environment monitoring system achieves the integrated monitoring of the power frequency electric field, the power frequency magnetic field, the audible noise, the environmental temperature, the environmental humidity, the air pressure and other parameters, and provides data references for the correlation analysis and design verification of the electromagnetic environment information influence factors; and a full-day 24-hour continuous monitoring is conducted through the research monitoring device continuous power supply assurance unit.