30results about How to "Precise control of temperature and humidity" patented technology

The invention discloses a temperature and humidity control algorithm for an intensive curing barn controller and relates to the technical field of environmental control in facility agriculture. Optimized PID (proportion integration differentiation) algorithm is used, and accurate control of temperature and humidity is realized by a controller. The controller comprises a PID controller, a relay link and a fuzzy controller for calibrating PID parameters; the PID controller completes control algorithm and calculates the control amount of output; initial parameters of the PID controller are achieved through the relay link; the fuzzy controller conducts online and real-time adjustments of the PID parameters of KP, Ki and KD according to deviation e and deviation rate of change ec so that the PID controller has adaptive capacity, and the system is always in an optimal control state. The temperature and humidity control algorithm for the intensive curing barn controller has the advantages of calculating parameters and variation amount of various environmental conditions in a curing barn, realizing accurate control of the temperature and humidity of the curing barn, and the like. Furthermore, the temperature and humidity control algorithm for the intensive curing barn controller can be used as a temperature and humidity controller in an intensive curing barn in domestic regions of any different latitude to conduct algorithm.

The invention discloses a traceable batch preparation method of dried tangerine peel. The traceable batch preparation method of the dried tangerine peel comprises the following steps: S1, preliminary choosing tangerine fruits, checking the chosen tangerine fruits, boxing up the checked tangerine fruits, and then, sealing and labeling the boxes for the first time; S2, performing batch cleaning and sorting on the tangerine fruits on cleaning and sorting line equipment; S3, peeling the sorted tangerine fruits; S4, drying the tangerine peel in a drying device; S5, sealing and labeling the boxes of tangerine peel for the second time, and transferring the tangerine peel into a storage warehouse so as to prepare for aging. The step S5 comprises the following steps: S51, storing the tangerine peel in a standard warehouse for 2-5 months; S52, transferring the tangerine peel into a humidifying chamber so as to carry out first humidifying; S53, transferring the humidified tangerine peel into a wet-pumping and air-drying chamber so as to carry out first wet-pumping and air-drying; S54, transferring the wet-pumped and air-dried tangerine peel into the standard warehouse again, and storing the tangerine peel for 1 year; S55, performing second humidifying on the tangerine peel; and S56, performing second wet-pumping and air-drying on the humidified tangerine peel, so that the dried tangerine peel is prepared. The method disclosed by the invention realizes batch preparation of the dried tangerine pee; moreover, information of the tangerine fruits, including place of origin, householder, grade and so on, is traceable.

The invention discloses a fresh-keeping drawer, a refrigerator with the fresh-keeping drawer, and a temperature and humidity control method. The fresh-keeping drawer comprises a drawer door, a drawer body, a cavity for containing the drawer body, and a drawer air duct device arranged on the cavity; and an anti-condensation air duct and a cooling air duct which are communicated with cold air are arranged in the drawer air duct device. The anti-condensation air duct passes through a moisture permeable membrane assembly which is arranged at the top of the cavity and is communicated with the interior of the cavity; and the anti-condensation air duct and the cooling air duct are respectively provided with an air door device. Through two cold air channels and the arranged air door devices, dehumidification and condensation prevention can be achieved, cooling is accelerated, and an air curtain is formed. Redundant water vapor in the drawer can be discharged through the moisture permeable membrane to avoid condensation; the heat exchange efficiency can be improved; and the temperature and humidity can be accurately controlled. When the drawer is opened, the air curtain can be formed above the drawer body to block air convection between the interior of the drawer and the external environment, so that temperature and humidity fluctuation in the drawer is reduced, and the purpose of keeping fresh is achieved.

The invention discloses a bud seedling greening machine which comprises two coaxially arranged rotary discs, wherein the two rotary discs are in transmission connection through a rotary shaft; a plurality of brackets for placing nursery sites are rotatably connected between the two rotary discs. By adopting the technical scheme, the bud seedling greening machine is simple in structure, and the labor intensity can be effectively reduced and the production efficiency can be effectively improved; not only can more nursery sites be placed, but also the occupied space is small; as the rotary discs can rotate, the nursery sites can be picked and placed by moving the brackets from a relatively high place to a low place, so that the nursery sites can be conveniently picked and placed; water and light are provided through an atomizing nozzle and an illumination light, and the required temperature and humidity required by growth of the bud seedlings can be precisely controlled through a temperature sensor and a humidity sensor.

The invention relates to a welding material warehouse for a power station, a welding material storage system and a working method. The welding material warehouse comprises a welding material warehousebody, wherein supporting cylinders are arranged at the bottom of the welding material warehouse body; a lifting mechanism fixedly connected with the bottom of the welding material warehouse body is arranged in each supporting cylinder; the top of each lifting mechanism is connected with the welding material warehouse body; universal wheels are connected to the bottoms of the lifting mechanisms; arail is arranged in the middle of the interior of the welding material warehouse body, and the rail is connected with a driving trolley; the driving trolley can move along the rail, and the driving trolley is provided with a mechanical arm; the mechanical arm is used for transferring welding materials; a plurality of partition plates are arranged on the two sides of the rail; the partition platesdivide the space on the two sides of the rail into a plurality of areas; different areas are used for placing different types of welding materials; and a first opening is formed in the side wall of one side, perpendicular to the rail, of the welding material warehouse body and is used for enabling pipes to enter and leave the welding material warehouse body. The welding material warehouse is convenient to move, and the management of the welding materials is facilitated.

The invention discloses a method, system and equipment for controlling temperature and humidity of a farm, and the method comprises the following steps of obtaining a first temperature value collectedby an indoor temperature sensor and a first humidity value collected by the indoor humidity sensor; comparing the first temperature value with a preset temperature parameter to obtain a temperature comparison result; comparing the first humidity value with a preset humidity parameter to obtain a humidity comparison result; and adjusting the temperature and humidity of the farm based on the temperature comparison result and the humidity comparison result. By adjusting the temperature and humidity of the farm based on the temperature comparison result and the humidity comparison result at the same time, the technical problem of excessive temperature or humidity adjustment caused by separate temperature and humidity control in the prior art is solved, and the technical effects of linked controlling the temperature and humidity regulating equipment and accurately controlling the temperature and humidity of the farm are realized.

The invention discloses an energy-saving air conditioning device capable of accurately controlling the air supply temperature and humidity. The energy-saving air conditioning device comprises an inverter compressor, a first heat exchanger, a second heat exchanger, a water-cooling condenser, an electronic expansion valve and an evaporator which are sequentially connected through pipelines to form a circulation loop. The first heat exchanger is connected with an outlet of the inverter compressor; and the evaporator is connected with an inlet of the inverter compressor. The evaporator and the first heat exchanger are sequentially arranged in an air supply channel in the direction from an air inlet to an air supply outlet, and a reheating fan with the adjustable air speed is arranged between the first heat exchanger and the air supply outlet and used for adjusting and controlling the air volume passing through the first heat exchanger. The inverter compressor, the second heat exchanger and the water-cooling condenser are sequentially arranged in an exhaust channel in the direction from a return air inlet to an exhaust outlet, and an electric two-way valve is arranged on a circulating cooling pipeline of the water-cooling condenser. The temperature and humidity of the supplied air can be accurately controlled, the energy consumption of the system by the outside is effectively reduced, the working efficiency of a refrigerating system is improved, the condensation heat is fully utilized, and the purpose of saving energy is achieved.

The invention discloses an intelligent control method for an air conditioner. The method includes: S1, placing a temperature and humidity sensor at an appointed indoor position, and establishing infrared signal connection between the temperature and humidity sensor and an air conditioner controller; S2, adopting the temperature and humidity sensor for temperature and humidity data acquisition in an appointed area, and transmitting acquired data to the air conditioner controller through an infrared transmitter; S3, enabling the air conditioner controller to determine a position of an area of the temperature and humidity sensor relative to air conditioner fan blades according to received infrared signals, and controlling the fan blades to perform directional air supply to the area; S4, enabling the air conditioner controller to determine temperature and humidity information of the area of the temperature and humidity sensor according to the received infrared signals, and performing indoor temperature and humidity regulation to enable the temperature and humidity data monitored by the temperature and humidity sensor to reach set temperature and humidity values. In application of the intelligent control method, the temperature and humidity of the appointed indoor area can be controlled accurately, automatic directional air supply to the appointed area can be realized, and temperature and humidity control efficiency is improved.

The invention belongs to the technical field of energy-saving air conditioners, and particularly relates to an energy-saving air conditioning box capable of achieving accurate control over high, medium and low temperature and humidity. The air conditioning box comprises an air inlet section fan, a filter section filter, a surface cooling section heat exchanger, a front heating section electric heater, a direct expansion section direct expansion type coil pipe, a heat recovery section heat exchanger, a rear heating section electric heater, a humidifying section electric humidifier and a micro heating section electric heater which are connected in sequence; a dry-bulb temperature sensor and a humidity temperature sensor are arranged at an air supply outlet of the air-conditioning box; the compression condensing unit comprises a loop connected with an inlet and an outlet of the direct-expansion coil of the direct-expansion section; an inlet of the condenser is connected with an outlet of the heat source tower through a first pipeline, and an outlet of the condenser is connected with an inlet of the heat source tower through a second pipeline. An outlet of the heat recovery section heat exchanger is connected with the first pipeline through a third pipeline, and an inlet of the heat recovery section heat exchanger is connected with the second pipeline through a fourth pipeline.