95results about How to "Guaranteed temperature and humidity" patented technology

The invention relates to the ventilation system field, in particular to an efficient automatic dust-removing and intelligent ventilation system and an automatic dust-removing method. The system comprises an intelligent energy-saving ventilation system housing component and a fan, wherein the intelligent energy-saving ventilation system housing component comprises a dual duct, a dust-discharging duct, a throttle actuating mechanism, a dust screen, a temperature and humidity sensor and a distributed pressure sensor, wherein the temperature and humidity sensor and the distributed pressure sensor are connected with a control system, and the control system drives the throttle actuating mechanism to realize time-sharing and smooth transition of the dual duct and the dust-discharging duct. The beneficial effects of the invention are as follows: the fans of the air feeder unit can be used for several purposes such as air supply and dust removing, thus reducing the equipment cost; the self-cleaning of the filtering screen can be realized, thus prolonging the service life of the filtering screen, reducing replacement frequency and lowering maintenance cost; and by turning on / off the automatic dust-removing and intelligent ventilation system, the normal operation of the devices in an equipment room can be ensured.

The invention discloses a control device used for a centralized air processing system, which comprises a plurality of frequency converters, a plurality of actuators, a plurality of sensors, and a controller, wherein the frequency converters are connected with a plurality of fans respectively, and used for controlling rotation frequencies of the corresponding fans to adjust the generated air volume; the actuators are connected with a plurality of air valves and a water valve of a surface air cooler respectively, and used for controlling the air valves and the water valve to accomplish adjustment on the conveying or discharge air volume; the sensors are arranged on a plurality of air pipes and a freezing water pipe of the surface air cooler respectively, and used for collecting a temperature and a concentration of indoor CO2; and the controller is used for processing sensor data, generating a signal to control the frequency converters and the actuators to adjust the fans, the air valves and the water valve, accomplishing coordination among air supply, air return, fresh air and air discharge, and achieving indoor air treatment. The control device utilizes humiture and CO2 concentration measurement signals and adopts an integral control mode to accomplish temperature control of an air conditioning system and indoor hot comfort control, and the anti-interference capability and an energy-saving effect are improved.

An automobile air-conditioning system comprises a compressor, a vapor liquid separator, a first heat exchanger, a second heat exchanger, a third heat exchanger and an intermediate heat exchanger. The third heat exchanger selectively exchanges heat with an external environment, the intermediate heat exchanger is provided with a first portion and a second portion which can exchange heat, and a throttling element is arranged in a pipeline passing through the second portion of the intermediate heat exchanger. When the automobile air-conditioning system is in at least one of a refrigerating mode and a heating mode, low-temperature and low-pressure refrigerants before returning to the compressor pass through the first portion of the intermediate heat exchanger, refrigerants before throttling pass through the second portion of the intermediate heat exchanger, the low-temperature and low-pressure refrigerants before returning to the compressor exchange heat with the refrigerants before throttling in the intermediate heat exchanger, the temperature of the refrigerants before throttling is further reduced, and the temperature of the low-temperature and low-pressure refrigerants before returning to the compressor is increased, so that the operating efficiency of a heat pump system is improved.

A car air-conditioning system comprises a compressor, a gas-liquid separator which is located in front of an air inlet of the compressor, a first heat exchanger and a second heat exchanger, a compartment outer heat exchanger and a throttling component. The first heat exchanger and the second heat exchanger are respectively arranged and conduct heating, cooling or demisting on the compartment according to working condition requirements in the compartment. The first heat exchanger is connected with an air outlet of the compressor. The car air-conditioning system comprises a refrigerating mode, a heating mode, a demisting mode and a deicing mode. When moisture is eliminated, wind which is supplied to the compartment dried through the second heat exchanger and then passes the first heat exchanger. The first heat exchanger can choose whether to warm up, and then supplies the wind to the compartment. Therefore, the temperature of the wind which is supplied to the compartment can be chosen, and comfort is improved.

The invention discloses a new technology for drying soft capsules, which is composed of soft capsules shaping, drying in a tumbler and tray drying. For air control, the air supply in the drying room adopts a horizontal circulation air supply system. By adjusting the temperature and humidity in the drying room, the practical problems such as capsule adhesion and cracking of soft capsules under the traditional drying technology can be effectively solved, so that the freshly pressed soft capsules can be dried stably, and the quality of the product is also reduced. drying costs.

An automobile air condition system adopts the following five modes: a refrigeration mode, a heating mode, a demisting mode, a deicing mode and a battery pre-warming mode, and comprises a heating parts temperature control circuit and a heat pump system, wherein a refrigerant circulation circuit is in heat exchange with the heating parts temperature control circuit through a double-fluid passage heat exchanger; the first fluid passage of the double-fluid passage heat exchanger is communicated with the refrigerant circulation circuit, and the second fluid passage thereof is communicated with the heating parts temperature control circuit; the heating part temperature control circuit can choose to cool or heat the heating parts so as to allow a battery and other heating parts to work in the normal temperature range so as to keep a relatively higher efficiency.

Regarding a granary, the invention relates to a device for measuring and monitoring the temperature and the humidity of the granary. The device can achieve the automatic ventilation and adjustment functions. The device comprises a core control module, a ventilation module, a temperature and humidity data transmitting module, a data receiving module and a data terminal. The core control module is installed in the granary, the ventilation module is installed on a ceiling of the granary, the temperature and humidity data transmitting module is installed outside the granary, and the data receiving module and the data terminal are installed in a monitoring chamber. The core control module is placed in the granary, and a master controller of the core control module is connected with a temperature and humidity sensor, a temperature sensor and the ventilation module. Data of the temperature and the humidity of the granary are collected and extracted, the state of the interior of the granary is judged through an intelligent algorithm, the temperature and the humidity of the granary are adjusted, the inspected result is sent to an upper computer, and therefore an inspector can monitor the granary in real time.

An automobile air conditioning system comprises a compressor, a gas-liquid separator, a first heat exchanger, a second heat exchanger, a third heat exchanger, at least one throttling element, and a temperature reduction and separating device, wherein a third interface of the temperature reduction and separating device is connected with the inlet of the gas-liquid separator or the compressor; when in a refrigeration mode or heating mode, a throttled refrigerant is subjected to separation of gaseous and liquid refrigerant through the temperature reduction and separating device, and the throttled gaseous refrigerant returns to the gas-liquid separator or the compressor from the third interface of the temperature reduction and separating device; and the liquid refrigerant passing through the temperature reduction and separating device is subjected to further circulation. When the air-conditioning system is in the refrigeration or heating mode, the throttled refrigerant is enabled to pass through the temperature reduction and separating device, the liquid refrigerant after the separation of the temperature reduction and separating device is enabled to participate in following system circulation, so that the refrigerants reaching a next heat exchanger are all liquid refrigerants basically, and the energy efficiency of the automobile air conditioning system is improved.

The invention is applicable to the field of station ventilation and heat exchange, and discloses a dual-slideway automatic dedusting intelligent ventilation system. A first air door and a second air door on the two sides of a rack respectively enable an air supply duct to be in an open state and a dedusting air duct to be in a closed state through an air door driving device so as to form an air supply channel; and in order to clear dust, the air supply duct is enabled to be in a closed state and the dedusting air duct is enabled to be in an open state through the air door driving device so asto form a dedusting channel. The ventilation system can realize smooth switch between the air supply duct and the dedusting air duct, and the structure is compact, small and convenient to assemble; and meanwhile, a group of fans can be used for air supply and dedusting, thus the equipment cost and using cost can be lowered.

The invention discloses an isatis root high-yield planting method. The method includes the step A that soil preparation and fertilization are carried out, specifically speaking, a ditcher carries out ditching along a field block in the perpendicular direction beneficial for drainage; matured compost or animal manure, plant ash and calcium superphosphate are applied according to the fertilization amount each mu; then, ditches are opened in the direction beneficial for drainage and made into rectangular pieces of the field block, the surfaces of the rectangular pieces of the field block are flattened through rakes, meanwhile, solid manure in the transverse ditches are mixed evenly, and soil is raked from the front side and the back side and piled in a ridged shape for seeding before Grain Rain; the step B that seeds are soaked in warm water before being planted and are fished out and dried, the seeds are mixed with fine sand and are evenly scattered on small ridged faces; the step C that field management is carried out, and in other words, thinning, final singling and timely filling gaps with seedlings are carried out; the step D that pest control is carried out. The isatis root high-yield planting method has the advantages that the soil can keep loose and the lasting period of fertilizers is long; roots of isatis root can not rot because of accumulated water, soil organic matters exist on the small ridged faces, temperature-humidity of the soil can be kept, the utilization rate of the fertilizers can be improved and pollution to surrounding water can be reduced, so the roots of the isatis root can grow smoothly, the root rot infection rate is low, and the roots can be deep, strong and smooth and straight.

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.

An automobile air conditioning system has a cooling mode, a heating mode, a defogging mode and a deicing mode and comprises a compressor, a steam-liquid separator located in front of an air inlet of the compressor, a heater, a cooler, a heat exchanger located outside an automobile compartment, and a throttling component. The heater and the cooler are used for heating, or cooling or defogging for the automobile compartment according to work conditions in the automobile compartment. The heater is connected with an air exhaust of the compressor, and high-temperature high-pressure refrigerants pass through the inside of the heater to provide heat selectively for the inside of the automobile compartment. In a dehumidification mode, low-temperature low-pressure refrigerants pass through the cooler, wind sent to the inside of the automobile compartment firstly passes through the cooler for dehumidification and then passes through the heater, and then the wind is sent to the inside of the automobile compartment. The heater can be used for heating or not heating the dehumidified wind selectively according to the work conditions in the automobile compartment, and comfortableness in the automobile compartment is guaranteed.

The invention provides a storage box for a precise power supply instrument and relates to the technical field of precise power supply instruments. The storage box comprises a box body. A containing cavity with an upward opening is formed in the box body. The lower end of the box body is connected with an installation box. An air bag is arranged on the side wall of the containing cavity. The outer side of the box body is provided with an inflation opening connected with the air bag. The inflation opening is connected with the inflation device in a matched manner. A buffering layer is arranged on the bottom face of the containing cavity. Multiple through holes are formed in the buffering layer. The through holes penetrate the bottom side of the box body and communicate with the installation box. An air conditioner is arranged in the installation box. The storage box is simple in structure, the precise power supply instrument can be effectively fixed, and good temperature and humidity can also be provided for the precise power supply instrument.

The invention relates to a bookcase, in particular to an intelligent bookcase capable of adjusting temperature and humidity. The technical problem to be solved is to provide the intelligent bookcase capable of adjusting temperature and humidity, which is convenient for storing books and can prevent dust. The intelligent bookcase capable of adjusting temperature and humidity comprises a shell, a pressure sensor, a bookshelf, a heating mechanism, a humidifying mechanism and a door opening mechanism, wherein the pressure sensor is arranged on the lower portion of the inner side of the shell, the bookshelf is arranged on the pressure sensor, one side of the bookshelf is connected with the upper portion of one side of the inner wall of the shell, the heating mechanism is arranged on the pressure sensor, the humidifying mechanism is arranged on the pressure sensor, and the door opening mechanism is arranged on the upper portion of one side of the shell. Through cooperation of the heating mechanism, the humidifying mechanism and the door opening mechanism, the interior of the shell can be automatically heated and humidified, and then books can be better stored for a long time.

The invention discloses a method for managing environmental factors during Chinese onion seedling culture. The method comprises the steps of water management, light and temperature management, nursery soil management and weed management. Through precisely quantitative watering, water shortage during Chinese onion growth is effectively prevented. Through normalized light and temperature management, the Chinese onion growth environment is controlled strictly, illumination is utilized to the maximum extent, temperature and moisture suitable for growth and development of Chinese onion are maintained, the emergence rate is increased, and the occurrence rate of pest and disease damage is reduced. Through nursery soil management, photosynthesis is improved, the utilization rate of fertilizer is increased, growth of harmful bacteria is inhibited by means of other bacteria, and the morbidity of Chinese onion seedlings is reduced greatly. Meanwhile, through reasonable weed management, productivity is improved effectively, and the inhibition effect of weed on Chinese onion seedlings is reduced.

The invention discloses intelligent refrigeration equipment for a refrigeration storage. The intelligent refrigeration equipment for the refrigeration storage comprises a machine box, a compressor, atemperature and humidity detector and a liquid sprayer, the compressor is arranged in the machine box, a singlechip microcomputer is arranged on the side edge of the compressor, a condenser is arranged below the compressor, a water inlet pipe is connected to one end below the condenser, and a water outlet pipe is connected to the other end of the condenser. A freezing chamber is arranged on the upper part of the machine box, a freezing chamber evaporator is mounted in the freezing chamber, an air inlet scoop is arranged on one end surface of the freezing chamber, a filter net is clamped in theair inlet scoop, and the liquid sprayer is arranged on one side of the freezing chamber evaporator. The intelligent refrigeration equipment for the refrigeration storage has the beneficial effects that the refrigeration equipment can perform on-line working, can detect the temperature and humidity in real time according to the requirement of refrigeration of the refrigeration storage, feedback control is carried out, the temperature and humidity of the refrigeration storage are effectively ensured, air can be filtered and sterilized, and using is convenient.

The invention discloses a method for improving the survival rate of forsythia cuttings, including 1) seedling selection, 2) soil quality selection, 3) fertilizer supplementation and sterilization, and 4) temperature control. In terms of water control, regular spraying and moisturizing are required to ensure cutting branches No wilting, after the seedlings are cut, maintain high temperature and humidity, and timely and proper disinfection measures prevent the cutting seedlings from being attacked by diseases and insect pests, ensure the good development of the seedling root system, rapid reproduction, and avoid the occurrence of less roots, root loss, aging, and disease susceptibility, etc. defect.

The invention discloses a movable local cooling and dehumidification device for a mine. The movable local cooling and dehumidification device comprises a movable base and a cooling and dehumidification system. The cooling and dehumidification system comprises a local ventilation fan, a gas filter, a dehumidifier, a liquid storage tank, a submersible pump, a main cooling pipe, a main reflux pipe, foam metal plates and jet heat pipes. The local ventilation fan is connected with the dehumidifier through an air duct. The gas filter is mounted on the air duct. The local ventilation fan, the air duct, the air filter and the dehumidifier together form a mine dehumidification system. The submersible pump is arranged in the liquid storage tank. The foam metal plates are mounted on the inner wall ofa mine surrounding rock roadway. The jet heat pipes are inserted in the foam metal plates. The liquid storage tank, the submersible pump, the main cooling pipe, the main reflux pipe, branch cooling pipes, branch reflux pipes, the foam metal plates, the jet heat pipes and the dehumidifier together form a mine cooling system. Local temperature and humidity of the working surface of the mine are improved, and coal mine production efficiency is improved. The structure is simple and the occupied area is small.

The invention discloses a variable-shape and crawler-type cellar patrol robot. The variable-shape and crawler-type cellar patrol robot includes a robot body, the robot body includes a machine body, and driving mechanisms, wherein the two driving mechanisms are respectively arranged on both sides of the machine body; the driving mechanisms include first driving wheels and second driving wheels; thefirst driving wheels and the second driving wheels are connected to the side of the machine body, the outer sides of the first driving wheels and the second driving wheels are connected with the twoends of crawler frames through bearings, deformation motors are fixedly connected to the center positions of the crawler frame and fixedly connected with one ends of main arm rods, the other ends of the main arm rods are connected with planet wheels through cranks, and crawler belts sleeve the outer sides of the planet wheels, the first driving wheels and the second driving wheels which are connected with the crawler belts in a meshed mode; the machine body is internally provided with a temperature sensor, a humidity sensor, an infrared detector and a controller; and the temperature sensor, the humidity sensor, the infrared detector, the deformation motors, the first driving wheels and the second driving wheels are all connected with a controller line.

The invention discloses an energy-saving environmental control system which comprises a water tank, a circulating pump, an electric three-way valve, a refrigerating system, an air cooling heat exchanger, a water distributing pipe, a water collecting pipe, an electric control system and an indoor air ventilation heat exchange system. The refrigerating system comprises an evaporator, a compressor, a condenser and a throttling device which are sequentially and cyclically connected, the indoor air ventilation heat exchange system comprises an electric proportion three-way regulating valve, a heat exchange coil, an electric heating device and a circulating fan, and the electric control system comprises a controller and a temperature sensor. The energy-saving environmental control system reduces energy consumption and prolongs the service life while achieving 24h all-weather reliable operation, provides a good temperature and humidity working environment for internal electronic devices in a large closed place, is suitable for environment control of a large data exchange center, a large radome and other large places and ensures that the internal temperature and humidity are within a required range.

The invention discloses an automatic opening and closing greenhouse with a light thermal insulation material. The automatic opening and closing greenhouse comprises a main body frame. The main body frame comprises a movable frame body. The main body frame is provided with a thermal insulation layer and tracks. An external sensor is arranged on the exterior of the thermal insulation layer. The external sensor receives and transmits light signals to a PLC system, the PLC system further controls a drive system after receiving the signals, and by means of synchronous driving of a movement executing mechanism, the movable frame body moves through the tracks on the two sides. The automatic opening and closing greenhouse solves the problem that a modern greenhouse fixed structure does not have a convenient light receiving performance; the modern synchronous motor technology is adopted, bisynchronous driving is carried out, the external sensor is arranged on the exterior of the thermal insulation layer and controlled through luminance induction, automatic opening and closing states can be achieved according to illumination intensity, the thermal insulation layer can be automatically opened or automatically closed after a set value is reached, plants in the greenhouse can receive sunshine well even in winter, and true unmanned management is achieved.

The invention provides a tray in a dying box, which comprises box body side walls, a holding plate, L-shaped spring bodies and a copying shock absorption layer, wherein the edges of the holding plate are shorter than the corresponding edges of the box body side walls, and are connected with the box body side walls through the uniformly distributed L-shaped spring bodies; the upper surface of the holding plate is smooth, and the copying shock absorption layer is arranged on the upper surface of the holding plate; and the L-shaped spring bodies are spiral springs. The tray in the dying box has the advantages and positive effects of having good physical stability on the premise of guaranteeing the temperature and humidity of objects placed on the tray, and keeping precise instrument and equipment and experimental materials placed on the tray safer.

An automobile air conditioning system comprises a compressor, a steam-liquid separator located in front of an air inlet of the compressor, a heater, a cooler, a heat exchanger located outside an automobile compartment, and a throttling component. The heater and the cooler are used for heating, or cooling or defogging for the automobile compartment according to work conditions in the automobile compartment. The heater is connected with an air exhaust of the compressor, and high-temperature high-pressure refrigerants pass through the inside of the heater to provide heat selectively for the inside of the automobile compartment. In a dehumidification mode, low-temperature low-pressure refrigerants pass through the cooler, wind sent to the inside of the automobile compartment firstly passes through the cooler for dehumidification and then passes through the heater, and then the wind is sent to the inside of the automobile compartment. The heater can be used for heating or not heating the dehumidified wind selectively according to the work conditions in the automobile compartment, and comfortableness in the automobile compartment is guaranteed.

The invention aims to provide a method, equipment and system for controlling the relative temperature and humidity in a room. The method comprises the steps that the indoor human body comfort and thecorresponding relation of the indoor air temperature, the relative humidity and the indoor air speed are determined; the indoor real-time air temperature, the real-time relative humidity and the real-time indoor air speed are obtained; to enable the indoor current relative temperature and humidity environment to meet the requirement of the human body on the optimal comfort, based on the corresponding relation, the real-time air temperature, the real-time relative humidity and the real-time indoor air speed, corresponding air conditioner-humidifier linkage control information meeting the requirement on the optimal human body comfort when the human body is in the room is planned; the air outlet temperature and the air outlet speed of the air conditioner and the air outlet humidity and the air outlet speed of a corresponding linked humidifier are controlled based on the linkage control information, a control equipment terminal enables the indoor relative temperature and humidity to meet the requirement of a user on the optimal human body comfort through the linkage control over the air conditioner and the humidifier, and accordingly the indoor experience of the user is improved.

The invention discloses a wild-simulated under-forest planting method for dendrobium officinale. The method comprises the following steps: (1) selecting a pinus yunnanensis planted forest land, wrapping roots of dendrobium officinale seedlings with green moss, and fixing the dendrobium officinale seedlings to tree bodies of pinus yunnanensis; (2) interplanting green manure to the forest land; and (3) carrying out forest land management. The method has the advantages of good dendrobium officinale growth vigor and high polysaccharide content.

The invention provides a low-temperature condensing type multifunctional air cleaning device. The device comprises a housing, wherein a spraying chamber, a cold flowing channel and a hot flowing channel are sequentially arranged on the housing from center to the side edge; a cold and hot flowing channel separating plate and a semiconductor refrigerating sheet are alternatively arranged between thecold flowing channel and the hot flowing channel and encircle a separating layer provided with a gap; the gap of the separating layer is treated as a division port; the cold flowing channel communicates with the hot flowing channel through the division port; a cold end fin and a hot end fin are arranged on the semiconductor refrigerating sheet and are correspondingly positioned in the cold flowing channel and the hot flowing channel; the spraying chamber communicates with the cold flowing channel through a cold flowing channel inlet; an air inlet and an air outlet are formed in the housing; the air inlet communicates with the spraying chamber, and the air outlet communicates with the hot flowing channel; and an ultrasonic humidifier is arranged in the spraying chamber. The device integrates a plurality of functions and has the functions of removing PM2.5, removing formaldehyde and other polluting gas which are easily dissolved in water, dehumidifying air, and humidifying air.

The invention discloses a wild-like under-forest planting method of bletilla striata and belongs to the technical field of planting of bletilla striata. The planting method comprises the following steps as follows: (1) selecting a forest with high evergreen coniferous forest and softer and slightly acid surface soil as planting land, and carrying out land preparation treatment; (2) interplanting seeds or tissue culture seedlings of bletilla striata with other crops; and (3) forest management. The bletilla striata is planted on the forest with high evergreen coniferous forest and softer and slightly acid surface soil, the local temperature and humidity of the forest can be kept by interplanting short-term crops on the forest, the defect of inconvenience of watering and fertilization in thebletilla striata is well overcome in a spray watering and fertilization manner, and extra water and fertilizer fall onto green manure to avoid waste.

The embodiment of the invention provides a temperature and humidity adjusting device. The temperature and humidity adjusting device comprises a box body and a controller which is arranged in the box body, and furthermore comprises a thermoelectric module and a heat exchange module which are arranged in the box body and are electrically connected with the controller, a driving device for driving the thermoelectric module and the heat exchange module, an outer circulating fan, an inner circulating fan and a temperature and humidity collector; the thermoelectric module and the heat exchange module are controlled through the controller to adjust the temperature and / or humidity in the box body; the box body is internally provided with an inner circulating air outlet, an outer circulating air outlet, an outer circulating air inlet and an inner circulating air inlet; box type equipment is not easy to damage in a humid environment, and faults of a controller body, failure of a sensor or circuit faults are avoided.

The invention belongs to the technical field of battery sharing, and particularly relates to a battery replacing cabinet system, which comprises a mainboard, an external antenna, an electric meter, anexternal temperature sensor, a loudspeaker, a heating plate, a fan, an RS485 bus and a plurality of lock control plates, wherein the external antenna, the electric meter, the external temperature sensor, the loudspeaker, the heating plate, the fan and the RS485 bus are connected to the mainboard, and the lock control plates are connected to the RS485 bus. According to the invention, the temperature and the humidity in the battery cabinet and the temperature outside the cabinet can be detected, and the operating temperature and the operating humidity in the battery cabinet can be dynamically adjusted according to the detection results, such that the proper temperature and the proper humidity in the battery cabinet can be ensured so as to easily prolong the service life of each element; theproper charging voltage and the proper charging current can be automatically matched according to the type of the battery, such that the applicability is strong; and the charging current of the battery can be intelligently set at the battery replacement peak and the battery replacement valley so as to shorten the charging time and save the energy.

The invention discloses a mine underground cooling and dehumidifying device and method. The mine underground cooling and dehumidifying device comprises a movable base and further comprises a cooling and dehumidifying system arranged on the movable base, wherein the cooling and dehumidifying system comprises a ventilator and a dehumidifying mechanism; a gas filter is arranged between the ventilatorand the dehumidifying mechanism; an air outlet of the dehumidifying mechanism is provided with an air collecting cover in a matched mode; the air outlet end of the air collecting cover is connected with one end of an air cooler in a sealed mode; the other end of the air cooler is connected with an air inlet of an air collecting box in a sealed mode; an air outlet of the air collecting box is connected with one end of a main air barrel in a sealed mode; and the other end of the main air barrel is provided with a horn-shaped spray head. The mine underground cooling and dehumidifying method comprises the following steps that the ventilator and a third motor are started, and the third motor drives fan blades of the main air barrel to rotate so as to spray cold air out through the spray head at the front end of the main air barrel. According to the mine underground cooling and dehumidifying device and method, the loss of the cooling capacity is reduced, the amount of sucked moisture is reduced, and the cooling and dehumidifying effects are more obvious.