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 provides an intelligent temperature and humidity control system for a spinning workshop. The system comprises a temperature and humidity sensor installed in the spinning workshop, an airconditioning system installed in an air conditioning room and a central control system, wherein the air conditioning system is connected with a dust removal system through a ventilating duct, and airin the spinning workshop can be recycled, so that the temperature and humidity in the workshop is maintained, and the energy consumption is reduced; and the central control system firstly sends a coarse adjustment indication signal to the air conditioning system according to theoretical temperature and humidity control parameters stored in a database, and further sends a fine adjustment indication signal by receiving monitoring data of the temperature and humidity sensor in the workshop in real time. The system realizes the intelligent control of temperature and humidity in the spinning workshop, has the advantages of high control precision and low energy consumption, and reduces energy consumption cost and labor cost.

The invention discloses a diffusion-absorption constant humidity control system with a n automatic water adding function for a cultural relics showcase, and belongs to energy and air conditioners. A liquid outlet of a liquid storage tank, a generator, a condenser, an evaporator and one end of an absorber are connected in sequence, the other end of the absorber is connected with a liquid inlet of the liquid storage tank, a refrigerant gas inlet of the condenser is connected with one end of a balance pipe, the other end of the balance pipe is connected with the lower portion of the absorber, a water tank, a flow guide plate, a heating wire, an air supply pipe, a showcase and a return air pipe are connected in sequence, heat and mass are transferred via air, and the heating wire is disposed at the air supply pipe to arrive at constant temperature control; a semiconductor air water-extracting component, a water purifying component, a water collector and a miniature ultraviolet sterilizer are connected in sequence, condensate is treated before entering the water collector, and the water collector is connected with the upper portion of the water tank. The diffusion-absorption constant humidity control system for the cultural relics showcase allows the parts to be precisely controlled through a controller.

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 provides a ball plate friction electric power-electricity real time measurement device and a method. The device comprises a sample support rod, a sample motion control unit, a frictional electricity measurement unit, a pressure measurement unit and a shielding screen. The sample support rod is used for fixing a sample for frictional electricity measurement; the sample motion control unit is connected to the sample support rod for controlling the horizontal movement and the perpendicular movement of the sample support rod; the frictional electricity measurement unit comprises a Faraday cylinder and an electrometer electrically connected to the Faraday cylinder; the Faraday cylinder is fixedly and internally provided with a horizontal friction plate; and the pressure measurement unit is used for measuring the vertical pressure received by the friction plate. The ball plate friction electric power-electricity real time measurement device can accurately measure the affect on the frictional electricity charge by the plurality of variables, such as the relative friction speed, the friction distance, the contact pressure, the humiture, etc, and performs the real-time measurement on the change of the frictional electricity charge.

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 the field of plant cultivation and provides an artificial intelligence climate chamber for planting of plants. The artificial intelligence climate chamber comprises a climatechamber box body and a refrigeration system; a humidification system, a lighting system, an irrigation system, an electrical control system and a ventilation system are mounted in the climate chamberbox body; the ventilation system comprises a draught fan, a ventilation duct, an air return duct and an air outlet duct; the end of the ventilation duct is connected with a fresh air port; a fresh airtreatment module, a constant-temperature and constant-humidity machine and a medium-temperature refrigeration module are mounted in the ventilation duct; the air return duct is connected with the front end of the constant-temperature and constant-humidity machine; fresh air is treated by the fresh air treatment module, then enters the constant-temperature and constant-humidity machine to be mixedwith returned air and finally enters the climate chamber box body through the air outlet pipe at the tail end of the ventilation duct. The functions of precise control over the air temperature and humidity, the fresh air volume, the illuminance, the soil moisture and the carbon dioxide concentration, remote monitoring and management and the like can be achieved at the same time. The artificial intelligence climate chamber has centralized functions, high adjustment precision and a wide application range.

The present invention aims to provide a rubber preparation device for a rubber impregnating solution of industrial fabric. A stirring reaction of feed materials is performed by setting a stirring reaction tank, and the stirring reaction is performed in a temperature and humidity conditioning chamber so that the temperature and humidity are accurately controlled and the quality of the rubber impregnating solution is improved. The rubber impregnating solution enters a stock tank after the stirring reaction is completed. When the rubber impregnating solution in a rubber impregnating tank is insufficient, the rubber impregnating solution in the stock tank enters the rubber impregnating tank very conveniently. Moreover, the stock tank is provided with a material taking detection tube used for detecting the quality of the rubber impregnating solution; and once the rubber impregnating solution does not meet the quality standard, the rubber impregnating solution is pumped out through a suction pipe. A discharging outlet is connected with the rubber impregnating tank directly, and when the rubber impregnating solution in the stock tank is little, the rubber impregnating solution directly enters the rubber impregnating tank. The rubber preparation device provided by the present invention is simple in structure, easy to operate, capable of preparing the rubber impregnating solution efficiently and quickly, and applicable to production.

The invention discloses a water chiller unit for the air-conditioner refrigeration field. The water chiller unit comprises a compressor, a condenser, a liquid reservoir, a drying filter, a liquid mirror, an electronic expansion valve, a first casing type evaporator, a second casing type evaporator, an adjusting valve, a cooling water pump, a first chilled water pump, a second chilled water pump, a three-way valve and refrigerant. The outlet end of the electronic expansion valve is connected with the first inlet end of the first casing type evaporator, the first outlet end of the first casing type evaporator, the first inlet end of the second casing type evaporator and the outlet end of the electronic expansion valve are connected with three orifices of the three-way valve respectively. The water chiller unit solves the problems that an existing one-off cooling and dehumidifying air conditioner is low in evaporation temperature, air supply humidity is difficult to accurately control, energy efficiency ratio of a refrigerating unit is hard to increase. Meanwhile, the invention further provides an operating method of the water chiller unit, and two kinds of chilled water different in temperature are effectively provided. Further, the invention provides the refrigerant. Performance of a heat and humidity segment treatment system can be improved.

The invention relates to the field of temperature and humidity control of a power distribution cabinet, in particular to a temperature and humidity intelligent control system of the power distributioncabinet. The temperature and humidity intelligent control system comprises the power distribution cabinet, wherein a temperature sensor, a MCU, a humidity sensor circuit, an AD conversion circuit, arelay controller, a fan, a heater and a humidifier are arranged in the power distribution cabinet, an LCD display screen is arranged outside the power distribution cabinet, the MCU is electrically connected with the temperature sensor, the humidity sensor circuit is connected with the MCU by the AD conversion circuit, the MCU is used for controlling the fan, the heater and the humidifier by the relay controller, and the MCU is further connected with the LCD display screen. The invention provides a system capable of accurately controlling temperature and humidity of the power distribution cabinet.

The invention discloses an intelligent heating and dehumidifying box for a water paint drying chamber. Equipment can be designed into one total-layer unit, one path is designed into a heating unit, and one path is designed into a dehumidifying unit. During dehumidification, two pieces of large-scale equipment, including a water-cooling ice water unit and a cooling tower, are required; when the icewater unit carries out refrigeration, an evaporator needs to be cooled by a cooling tower, the temperature of cooling water needs to be between 7 and 12 DEG C, and a water temperature can not be guaranteed during startup in winter. Therefore, a company researches and develops one set of constant-temperature water storage tank through multiple experiments, and the constant-temperature water storage tank adds multiple sets of temperature sensors and one set of heating system and mutually interlocks with the temperature sensors of the cooling tower and the ice water unit. The invention relates to the technical field of paint drying equipment. The intelligent drying and dehumidifying box for the water paint drying chamber can accurately control temperature and moisture to achieve a requirement on a water paint spraying environment, an assembly unit is designed, and meanwhile, a startup and stop system of which the ice water unit can be stable in winter is designed.

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 a drying device and method for browning traditional Chinese medicinal materials based on accurate temperature and humidity control. The drying device comprises a box body, an air energy heat pump device, a hot air circulating device, a humidifying and dehumidifying device and an automatic control device. A drying chamber is arranged in the box body, the air energy heat pump device provides heat energy for the hot air circulating device to heat air to form hot air, the hot air circulating device provides circulating hot air for the drying chamber to dry browning traditional Chinese medicinal materials, and the humidifying and dehumidifying device provides wet steam for the drying chamber to adjust humidity. And the automatic control device is used for controlling the air energy heat pump device, the hot air circulating device and the humidifying and dehumidifying device so as to dry the browning traditional Chinese medicinal materials. According to the drying device, the energy consumption and the cost can be reduced, the temperature and the humidity of the drying chamber can be accurately controlled, balance and stability of the temperature and the humidity are achieved, the stability and the uniformity in the processing process of browning traditional Chinese medicinal materials are guaranteed, and the quality of the browning traditional Chinese medicinal materials is improved.

The invention discloses a fruit and vegetable drying machine. The fruit and vegetable drying machine comprises a heating chamber and a drying chamber, wherein the heating chamber and the drying chamber are separated through a partition plate; heating fins and a heat supply fan are arranged in the heating chamber; the heat supply fan is arranged on the partition plate; a dehumidifier is arranged onthe outer side of the heating chamber; the dehumidifier is communicated with the heating chamber through a pipeline; a first temperature sensor and a first humidity sensor are arranged on the heatingchamber; storage racks are arranged in the drying chamber; and a second temperature sensor and a second humidity sensor are arranged in the drying chamber. According to the fruit and vegetable dryingdevice, heating is conducted through fin heating pipes, the surfaces of the fin heating pipes are not red, heating is even, and service life is long; and the multiple fin heating pipes are evenly arranged, so fruits and vegetables on each layer of storage rack can be evenly heated and dried, and drying efficiency is improved.

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 provides an intelligent temperature and humidity control system for a spinning workshop. The system comprises a temperature and humidity sensor installed in the spinning workshop, an airconditioning system installed in an air conditioning room and a central control system, wherein the air conditioning system is connected with a dust removal system through a ventilating duct, and airin the spinning workshop can be recycled, so that the temperature and humidity in the workshop is maintained, and the energy consumption is reduced; and the central control system firstly sends a coarse adjustment indication signal to the air conditioning system according to theoretical temperature and humidity control parameters stored in a database, and further sends a fine adjustment indication signal by receiving monitoring data of the temperature and humidity sensor in the workshop in real time. The system realizes the intelligent control of temperature and humidity in the spinning workshop, has the advantages of high control precision and low energy consumption, and reduces energy consumption cost and labor cost.

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 belongs to the technical field of insect trapping devices. In order to solve the problems caused by the existence of koji insects in the koji making process, the invention discloses an insect trapping device. The device includes a lure unit and a collection unit, the entrance of the lure unit is directly connected with the surrounding environment, the outlet of the lure unit is connected with the entrance of the collection unit, and the collection unit is an airtight hollow structure; the inside of the lure unit is provided with multi-stage traps, close to The trapping agent at the entrance position adopts the mixture of the actual survival food of insects around the outside and the best insect tropism material, and the trapping agent near the inlet position of the collection unit adopts the mixture of the best insect tropism material and inert powder; There are terminal traps and insecticidal essential oils, and the terminal traps use a mixture of the best insect tropism materials, inert powder and essence. By adopting the device of the invention, the koji worms can be effectively trapped, the number of koji worms in the koji medicine can be reduced, and the koji making process can be ensured to proceed smoothly.

The invention provides a heat pump type incubator based on a phase change material heat storage constant temperature function, which comprises a box body, an incubator is arranged on one side in the box body, a heat pump system is arranged on the other side in the box body, the heat pump type incubator is further provided with an air supply duct, and the air supply duct passes through a heater, a breather pipe on a condensation heat storage device, an air collection box, an electric control valve and an induced draft fan and is communicated with the holes of the air supply hole plates at the bottoms of the incubators. The hatching temperature and humidity and the CO2 concentration can be accurately regulated and controlled, the hatching rate is increased, meanwhile, the starting and stopping frequency of the heat pump system is reduced, the service life of the heat pump system is long, and energy consumption is greatly reduced.

The invention provides an air conditioner for a ship's cabin, which belongs to the technical field of ships. It solves technical problems such as inaccurate temperature and humidity control of the existing ship air-conditioning device. An air-conditioning device for a ship cabin, including dehumidification equipment, primary refrigeration equipment and secondary refrigeration equipment, the dehumidification equipment and secondary refrigeration equipment are arranged in series, the dehumidification equipment is located at the front end of the series connection of the secondary refrigeration equipment, the primary refrigeration equipment and the secondary refrigeration equipment The refrigerating equipment is arranged in parallel, the primary refrigerating equipment is arranged in the cabin, and the secondary refrigerating equipment communicates with the cabin through an air supply pipe. The invention has the advantage of being able to precisely control the temperature and humidity in the cabin.

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 relates to a bulk curing barn structure and a gas-water separation moisture removal and wet bulb temperature control method, which are characterized in that the bulk curing barn structure comprises a tobacco loading chamber and a heating chamber which are arranged side by side, the tobacco loading chamber is used for placing tobacco leaves to be cured, the heating chamber is used for generating hot air, and a fan chamber is arranged above the heating chamber; a second fan blowing air into the heating chamber is arranged in the fan chamber, an air inlet window is arranged on the left side portion of the fan chamber, an air return duct is arranged on the right side portion of the fan chamber, a first opening is formed in the top of the tobacco loading chamber, a second opening is formed in the top of the fan chamber, and an air-water separation device is arranged above the fan chamber. The air-water separation device comprises a main machine, an air inlet duct and an air outlet duct, the air inlet duct and the air outlet duct are arranged on an air inlet and an air outlet of the main machine, the air inlet duct is communicated with the first opening of the tobacco loading chamber, and accurate control over the wet bulb temperature of the bulk curing barn is achieved through moisture removal control over the air-water separation channel and the hot air circulation channel of the bulk curing barn.

The invention discloses a water chiller unit for the air-conditioner refrigeration field. The water chiller unit comprises a compressor, a condenser, a liquid reservoir, a drying filter, a liquid mirror, an electronic expansion valve, a first casing type evaporator, a second casing type evaporator, an adjusting valve, a cooling water pump, a first chilled water pump, a second chilled water pump, a three-way valve and refrigerant. The outlet end of the electronic expansion valve is connected with the first inlet end of the first casing type evaporator, the first outlet end of the first casing type evaporator, the first inlet end of the second casing type evaporator and the outlet end of the electronic expansion valve are connected with three orifices of the three-way valve respectively. The water chiller unit solves the problems that an existing one-off cooling and dehumidifying air conditioner is low in evaporation temperature, air supply humidity is difficult to accurately control, energy efficiency ratio of a refrigerating unit is hard to increase. Meanwhile, the invention further provides an operating method of the water chiller unit, and two kinds of chilled water different in temperature are effectively provided. Further, the invention provides the refrigerant. Performance of a heat and humidity segment treatment system can be improved.

The invention discloses an air mixing type air conditioner, which comprises a cabinet (1), an air inlet valve (2), a return air valve (4) and an air blower (7); three lateral surfaces of the cabinet (1) are orderly provided with an air inlet (8) for introducing outdoor fresh air, a return air inlet (9) for introducing indoor recycled air and an air outlet (10) of the air blower (7); the air inletvalve (2), the return air valve (4) and the air blower (7) are respectively arranged on the inner sides of the air inlet (8), the return air inlet (9) and the air outlet (10); and an inner space of the cabinet (1) is an air mixing chamber (12). The air mixing type air conditioner is characterized in that: the air inlet valve (2) and the return air valve (4) are respectively equipped with a first steering engine (3) and a second steering engine (5); and the steering engines (3 and 5) transmit power to the air inlet valve (2) and the return air valve (4) through a steering engine transmission mechanism (11), so that the opening of the air inlet valve (2) and the return air valve (4) is adjusted according to control signals.

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.