145results about How to "Accurate humidity" patented technology

A thermal type fluid flow sensor includes an air flow detecting portion and a temperature detecting portion formed above the same substrate, capable of correcting a humidity, and having a high measuring accuracy at a low cost, and a heat generating resistor, a temperature measuring resistor for the heat detecting resistor, a temperature measuring resistor for detecting an air flow, and a heat generating resistor for detecting a humidity are arranged in a diaphragm formed above a semiconductor substrate, an air cavity layer, and a protecting film above the air cavity layer are formed above the heat generating resistor for detecting the humidity, and the protecting film is provided with plural holes reaching the air cavity layer.

A gun case humidity control device for use in maintaining a desired humidity in the gun case, the device including a protective case, a water vapor permeable pouch and a thickened saturated solution, the solution having a suitable humidity control point.

Methods and systems are provided for estimating a PCV flow to an engine based on the output of an exhaust gas oxygen sensor. During DFSO conditions, a reference voltage of the sensor is modulated initially with an intake throttle open and then with the intake throttle closed. PCV flow leaking past the piston valves in an aging engine, as well as an ambient humidity estimate, are inferred based on the outputs of the sensor during the modulating with the intake throttle open and closed.

A humidity control device for use in maintaining a desired humidity in packages of food, the device including a protective case, a water vapor permeable pouch and a thickened saturated solution, the solution having a suitable humidity control point for use within a food container. The device further employs a combination of an oxygen scavenger system to stop mold growth with anaerobic conditions and/or a mold inhibitor in the filling of the pouch or preferentially printed on the outside of the pouch.

A device for regulating temperature and humidity of a reaction gas to be supplied to a fuel cell stack includes a temperature regulation section provided with a first gas guide board through which the reaction gas flows, a coolant guide board through which a coolant from the fuel cell stack flows and a first partition interposed between the first gas guide board and the coolant guide board for exchange of heat between the reaction gas and the coolant and a humidity regulation section coupled to the temperature regulation section with a second partition therebetween and comprised of a second gas guide board through which the temperature-regulated gas flows and a fluid guide board through which a fluid from the fuel cell stack and rich of water contents flows and a humidity exchange film interposed between the second gas guide board and fluid guide board to allow for exchange of water contents between the temperature-regulated gas and the fluid.

Method of fabricating at least a honeycomb body include drying a plurality of honeycomb bodies, each having a multiplicity of cells arranged in the shape of a honeycomb and having a wall thickness of 0.125 mm or less, without cracking or wrinkling in the outer peripheral skin portion of the mold. Extrusion-molded argillaceous honeycomb bodies may be dried by placement on porous ceramics trays, having a dielectric loss of 0.1 or less, a porosity of 10% or more and a sectional open area ratio of 50% or more, exposure to at least 70% humidity and simultaneous irradiation with microwaves of 1,000 to 10,000 MHz. Alternatively, extrusion-molded argillaceous honeycomb bodies may be dried by exposure to at least 70% humidity and simultaneous irradiation with microwaves of 1,000 to 10,000 MHz, after which hot air is passed through the cells of the honeycomb bodies.

The invention discloses a method and device for controlling the humidity in a refrigeration cabinet. The method comprises the steps of controlling a compressor of the refrigeration cabinet to operate at the refrigeration frequency according to the temperature in the refrigeration cabinet and the set temperature, and starting the refrigeration mode; under the refrigeration mode, if it is judged that the humidity in the cabinet is lower than the first preset value, reducing the operation frequency of the compressor within the operation frequency range of the compressor, and starting the frequency-decreasing humidity control mode so as to improve the humidity in the cabinet; and before the compressor enters the frequency-reducing humidity control mode, if it is judged that the humidity in the cabinet is higher than the second preset value, improving the operation frequency of the compressor within the operation frequency range of the compressor, and starting the frequency-increasing dehumidification mode so as to reduce the humidity in the cabinet. By controlling the frequency operation range of the inverter compressor, high-frequency dehumidification and low-frequency humidity control are achieved, the effect that relative humidity in the refrigeration cabinet fluctuates within a certain range is ensured, control over humidity is accurate, and no component needs to be additionally arranged.

The invention discloses a manufacturing method of high concentration rich superphosphate fertilizer, which comprises: phosphoric acid is used as raw material, steam is steamed to make the temperature of the phosphoric acid reach 55 to 65 DEG C, then phosphorite powder is added to be mixed, the amount of the phosphorite powder is 105 percent of calculated theoretical calculation amount according to phosphoric acid amount, after mixed reaction with the phosphoric acid in a mixer with 30s, 94 percent to 98 percent sulphuric acid is added, the mixed acid of the amount of the sulphuric acid mixed with the phosphoric acid is 62 percent to 68 percent, the sulphuric acid, the phosphoric acid and the phosphorite powder are severely mixed in a reactor for 1 min, material slurry flows into a turning chemical chamber to be solidified, the solidified time is 30 to 40min, the solidified temperature is 95 DEG C, after piling up and curing, powder-shaped material is added with water for pelleting, and the high concentration rich superphosphate fertilizer is obtained after drying and screening. The manufacturing method has the advantages of simple process flow, little equipment, simple and convenient operation, low manufacturing cost and easy realization of industrial manufacture.

The present invention is a water supply base of a plant pot, including a body, the body is provided with a holding space to contain liquid and is provided with a platform to emplace the plant pot; and a porous rod, the porous rod is extended into the holding space and is protruded out of the platform. By the capillary action of the porous rod, water that is stored in the holding space is supplied to soil in the plant pot, allowing plant in the plant pot to receive the required water continuously.

A method of estimating water vapor transfer unit degradation without having to remove the unit from a fuel cell system to which it cooperates, and a device performing the same. The method includes using a combination of a backward-looking model and a forward-looking model. The first of these models is used to evaluate changes in water vapor transfer effectiveness in the unit, while the second is for determining the water transfer rate of the unit. Together, the models provide a more accurate way to estimate and control relative humidity for both stack inlet and outlet flowpaths, as well as provide an indication of when service or replacement of the water vapor transfer unit may be warranted.

The invention discloses a moisture preserving wine cabinet, and belongs to the technical field of wine cabinets. The moisture preserving wine cabinet is designed for solving the problem that a traditional wine cabinet can not preserve moisture as being not provided with a humidity control device. The moisture preserving wine cabinet comprises a cabinet body which is internally provided with a refrigeration system; the refrigeration system comprises a compressor, an evaporator and a humidity control device; the humidity control device comprises a controller, a humidifying water box, a humidity sensor and an electric heater, and the humidity sensor and the electric heater are connected with the controller. When an actual humidity value detected by the humidity sensor is lower than a preset humidity value in the controller, the controller controls the electric heater to heat evaporator defrosting water or supplementary water inside the humidifying water box. The moisture preserving wine cabinet disclosed by the invention realizes humidification by heating the evaporator defrosting water or supplementary water through the electric heater, realizes dehumidification by increasing the rotation speed of the variable frequency compressor and increasing refrigerating output, ensures that the humidity inside the wine cabinet is within an optimal control range, and can be used for accurately controlling the humidity and prolonging the wine storage time.

The invention discloses a novel photocatalytic air purifier which comprises an air purifier body. The air purifier body comprises a shell. The shell is provided with an air inlet and an air outlet. A primarily efficient filter screen, a high-performance nanofiber filter screen, a visible LED light source, a visible light response photocatalyst filter screen, a circulation fan and a humidification device are sequentially arranged in the shell in the air flowing direction. The air inlet is formed in the side wall of the shell, and the air outlet is formed in the top of the shell. The humidification device is arranged below the air outlet. An electrical circuit and an external power line are further arranged in the shell. According to the purifier, particulate pollutants and virosome of different sizes in air can be efficiently filtered out and intercepted, VOCs of different kinds in the air can be effectively degraded and mineralized, and the humidity of the purified air can be adjusted.

To provide air-conditioning system which can air-condition a room with low electric power regardless of day or night by cooling outside air by using natural energy and efficiently storing the coldness in a thermal storage material while cooling the room with the cooled outside air and whose construction cost is low. Air-conditioning system utilizing natural energy is characterized by comprising a thermal storage chamber (27) formed under the floor; an intake air storage section (4) provided adjacently to the thermal storage chamber (27); an intake pipe (5) connected to the intake air storage section (4) and adapted for sucking outside air; an outside air cooling mechanism for cooling the outside air sucked through the intake pipe by using natural energy; an outside air supply pipe (7) for introducing the outside air cooled by the outside air cooling mechanism into the thermal storage chamber (27); a blower (8) for feeding the outside air cooled by the outside air cooling mechanism into the outside air supply pipe (7); and thermal storage material (6) housed in the thermal storage chamber and adapted for storing or releasing the coldness, and characterized in that the average particle diameter of the thermal storage material (6) is largeras the depth from a bottom surface (7a) of the thermal storage chamber (27) to a floor surface (20) is greater.

The invention relates to one fuel battery air supply system and its air humidity measurement method and provides one measurement humidity fuel battery air supply system, which comprises filter, compressor, humidity adding device and middle cooling device, wherein, the humidity adding device and middle cooling device set with humidity sensor, first pressure meter and first temperature sensor; the said middle cooling exit section is set with second pressure meter and second temperature sensor.

The invention discloses an antiviral small nucleic acid and the application of the small nucleic acid in preparing a medicine for suppressing herpes simplex virus (HSV) and human papilloma virus (HPV). The small nucleic acid is a double strand nucleic acid, the positive-sense strand sequence is 5 in a sequence table, and the antisense strand sequence is 6 in the sequence table; the small nucleic acid can be prepared into a temperature-sensitive type gel preparation; the temperature-sensitive type gel preparation is injected (or sprayed) into irregular cavities such as vagina or mouth, the expression of host B2M genes in epithelial cells at the cavities and the cervix uteri and the expression of externalHPV E7 are suppressed, so that the antiviral small nucleic acid can be used for suppressing the infection of the HPV of the HSV-1 virus and/or for treating the precancerous lesions of uterine cervix caused by the HVP.

Electronic moisture-proof box possesses lockable cabinet as main body for depositing articles. A cabinet door capable of being opened and closed is setup in the cabinet. Display screen for temperature and humidity, and operational buttons for setting up temperature and humidity are setup on the control faceplate. There are microprocessor and components for sensing temperature and humidity inside the control faceplate. Moreover, there is control expansion board in use for connecting the control faceplate to semiconductor refrigerator inside the electronic moisture-proof box. Through the control expansion board, the semiconductor refrigerator is connected to circuit of the power supplier, which possesses function of AC-DC conversion. Reducing number of opening or closing cabinet door, the invention displays raises accuracy for displaying actual humidity inside cabinet, and reduces influence on dehumidification and moisture control.

The invention discloses an intelligent humidity-controlling irrigating system. The system comprises a structural support, wherein a spraying device is arranged on the position of the structural support, a water inlet end of a main water inlet pipe of the spraying device is respectively connected with a water supply pipeline and a nutrient fluid system through an automatic control valve, a flow control signal receiver is arranged inside the automatic control valve, and the flow control signal receiver is connected with an intelligent humidity controller. By the aid of the intelligent humidity controller, an intelligent chip is used for monitoring environmental humidity, water in a vertical greening system is monitored effectively, plants can acquire proper humidity and can grow well, according to the system, automatic irrigation is performed, and scientific planting is achieved through daily maintenance.

The invention relates to humidity determination method and device of refrigeration equipment, a storage medium, a system of the refrigeration equipment and a refrigerator. According to the humidity determination method and device of the refrigeration equipment, the storage medium, the system of the refrigeration equipment and the refrigerator, an environment temperature, the temperature of a refrigerating chamber of the refrigeration equipment and a collection voltage of a humidity sensor which is arranged on the refrigeration equipment are obtained; an actual environment temperature is obtained according to the temperature of the refrigerating chamber, the environment temperature and a preset first corresponding relation; and the actual humidity of the humidity sensor is obtained according to the actual environment temperature, the collection voltage and a preset second corresponding relation; and compensating the environment temperature is carried out according to the temperature ofthe refrigerating chamber, the environment temperature and the preset first corresponding relation, so that the correct environment temperature, namely the actual environment temperature, is obtained,the humidity of the humidity sensor is determined by the collection voltage and the actual environment temperature, and when the actual environment temperature is accurate, the preset second corresponding relation is combined and finally, the accurate actual humidity can be obtained.