133results about How to "Achieve dehumidification" patented technology

The invention discloses a heat pump-driven membrane-type liquid dehumidification and energy storage device which comprises a dehumidification solution storage tank, a solution pump, a dehumidifier, a first heat exchanger, a fan, a regenerator and a heat pump. The heat pump is a closed circulation loop composed of an evaporator, a compressor, a condenser, a refrigerant reservoir and an expansion valve or a capillary tube which are connected in turn; the dehumidification solution storage tank is connected with the dehumidifier through the solution pump; the dehumidifier is connected with the first heat exchanger and the condenser of the heat pump in turn and then is connected with the liquid inlet of the regenerator; the liquid outlet of the regenerator is connected with the first heat exchanger and the evaporator of the heat pump in turn and then is connected with the dehumidification solution storage tank; the air inlets of the dehumidifier and the regenerator are both connected with the fan; and the dehumidifier and the regenerator are both membrane components capable of isolating the dehumidification solution flowing through the membrane components from the air. The membrane has selective permeability, only allows steam to permeate and can effectively prevent the tiny droplets of the dehumidification solution from being carried in the air; and moreover, the device has the advantage of high utilization rate of energy.

The invention discloses a household air conditioner refrigerating system capable of separately controlling latent heat and sensible heat. The household air conditioner refrigerating system comprises a double-cylinder compressor, two liquid reservoirs, two evaporators, two electronic expansion valves, a condenser, an indoor fan and an outdoor fan, wherein the double-cylinder compressor is respectively provided with an air exhaust port and two air suction ports; two air suction ports of the double-cylinder compressor are respectively connected with the two liquid reservoirs; the air suction ends of the two liquid reservoirs are respectively connected with one ends of the two evaporators; the other ends of the two evaporators are respectively connected with one end of the condenser through the two electronic expansion valves; the other end of the condenser is connected with the air exhaust port of the double-cylinder compressor; the indoor fan is arranged at the side close to the two evaporators; the outdoor fan is arranged at the side of the condenser. According to the household air conditioner refrigerating system, the disadvantages of the traditional commercial temperature-humidity independent control air conditioning system are overcome; the household air conditioner refrigerating system is simple in equipment and achieves the purpose of dehumidification and temperature reduction without adding special dehumidifying equipment, the energy consumption for system operation is effectively reduced, and the indoor comfortableness and air quality are improved.

The invention discloses an efficient crusher for ceramic production. The crusher comprises a crusher main body, a crushing cavity and a bag dust collector, wherein the crusher main body is divided into a crushing cavity and a smashing cavity at up and down, a feeding funnel is connected at the bottom end of the left side of the crushing cavity; a telescopic column is vertically arranged at the center of the inside of the crushing cavity; the top end of the telescopic column is extended out of the crushing cavity and is connected with a hydraulic tank fixed on the outer wall of the upper side of the crusher main body. The efficient crusher for ceramic production adopts a crushing hammer and smashing rollers to sufficiently crush materials; the crushing effect is good and the efficiency is high; the materials can be dried during crushing; the crushing and drying functions are integrated; the efficiency of ceramic production is improved; spring columns are capable of effectively absorbing vibration; the structural stability of the crusher is improved; the crusher can conveniently and rapidly move and is high in practicality and convenience; the materials can be dehumidified during drying; the drying efficiency is improved; dust can be collected; the pollution is avoided and the raw material is saved.

The embodiment of the invention provides an air conditioner system and relates to the technical field of air conditioners. The air conditioner system is used for achieving non-cooling dehumidification. The air conditioner system comprises an indoor unit, an outdoor unit and a controller. The outdoor unit comprises a compressor, a condenser and a first fan used for improving the heat exchange efficiency of the condenser. The indoor unit comprises a first evaporator, a second evaporator, a second fan used for improving the heat exchange efficiency of the first evaporator, a third fan used for improving the heat exchange efficiency of the second evaporator and a first throttling element. The condenser, the first evaporator, the first throttling element and the second evaporator are sequentially connected between an air exhaust outlet of the compressor and an air inlet of the compressor. The controller is connected with the first fan, the second fan, the third fan and the first throttling element. The controller controls the rotation speed of the first fan and the rotation speed of the second fan so that the first evaporator can achieve heating. The controller controls the rotation speed of the third fan and the opening degree of the first throttling element so that the second evaporator can achieve dehumidification.

The invention belongs to the technical field of fresh air, and particularly provides a fresh air system. The problem that an existing fresh air system is poor in humidity adjusting capacity is solved.Therefore, the fresh air system comprises a shell and a humidity adjusting component rotationally arranged in the shell, a first fresh air channel, a second fresh air channel, a third fresh air channel and a fourth fresh air channel which are independently arranged are formed in the shell, an indoor heating component is arranged in the second fresh air channel, an outdoor heating component is arranged in the fourth fresh air channel, and the humidity adjusting component can selectively rotate to the first position or the second position, so that the communication state of the four fresh air channels is changed. According to the fresh air system, the humidifying function and the dehumidifying function can be achieved by controlling the rotating position of the humidity adjusting componentand the opening and closing states of the indoor heating component and the outdoor heating component, so that the fresh air system can effectively adjust the humidity of fresh air to enable the humidity of the fresh air to be always kept within a proper range, and the comfort degree of the fresh air is effectively improved.

The invention discloses a cooling and anti-condensation system for an outdoor ring network cabinet and a control method thereof, belonging to the technical field of the ring network cabinet. The invention relates to a cooling and anti-condensation system used in an outdoor ring network cabinet and a control method thereof. Through the reasonable arrangement of the inlet and outlet air outlets of the ring-net cabinet, after the pressurization treatment of two blowers with different air inlet directions, the two air currents blown in by the fan intersect in the ring network cabinet. The hot airin the cabinet can be quickly discharged at the upper and lower air outlets to realize the rapid cooling and dehumidification in the ring network cabinet, and meanwhile, the dew point temperature of the air in the ring network cabinet can be reduced to achieve the purpose of anti-condensation in the switch cabinet, so that the air in the ring network cabinet can be dissipated mutually and the airin the ring network cabinet can be dissipated quickly. The continuous pressurization of the fan can make the air pressure in the annular network cabinet appear positive pressure with respect to the atmosphere, so that the air at the gap between the bottom of the annular network cabinet and the cable well can only flow from the top to the bottom, and the humid air from the sealed cable well is prevented from entering the annular network cabinet, thereby achieving the functions of dehumidification and condensation prevention.

A steam dryness modulating system comprises a steam generator, a gas collecting tank and three branches connected between the steam generator and the gas collecting tank in parallel, wherein the steam generator in the branch I is directly connected with the gas collecting tank to be in a normally opened state, a humidifying device is arranged in the branch II, a dehumidification device is arranged in the branch III, and a gas outlet pipe of the gas collecting tank is connected with a gas using device and is provided with a dryness meter. The steam dryness modulating system is characterized in that the steam of the branches converge in the gas collecting tank, the branch II and the branch III are switched according to a steam dryness value actually measured by the dryness meter, the steam leading amount is adjusted through a valve, and dry and wet steam mixing of different proportions can be achieved. In addition, automatic detection and control of steam dryness can be achieved by adding a signal controller. The united online pipeline steam dryness meter is applied to the system, and online real-time detection of the steam quality of the key working section of a tobacco shred production line can be achieved. Good steam quality can not only guarantee the tobacco shred processing quality, but also improve the energy utilization rate, and the service life of the valve and the device can be effectively prolonged.

The invention relates to an electrical cabinet, in particular to a cooling dehumidifying electrical cabinet based on a semiconductor cooler, comprising a drying box, a plurality of semiconductor coolers, an intake fan, a circulating pump, a gas guide pipe, a temperature-humidity sensor, a PLC (programable logic controller), a display, and an exhaust fan. The top of an electrical cabinet body is provided with the semiconductor coolers connected in series; Peltier effect of the semiconductor material helps cool and dehumidify the electrical cabinet at the cold and hot ends of the semiconductor coolers; the PLC automatically controls the semiconductor coolers, the exhaust fan, the circulating pump and the exhaust fan to operate, providing intelligent cooling and dehumidifying for the electrical cabinet; manpower is saved, efficiency is improved, reliability is high, and small space is used.

The invention discloses a waterproof cable well, which comprises a well body, wherein the low-lying area at the well bottom of the well body is provided with a sump; the top face of the well body is provided with a fan heater; the fan heater comprises a humidity sensor; the sump is internally provided with an ultrasonic atomization device; a mist collecting hood is arranged above the sump; a suction pipe and an exit pipe of the mist collecting hood are communicated; repellent paint is painted on the inner surface of the well body; the components and the weight parts of the repellent paint is as follows: 50-100 parts of polyether, 5-8 parts of epoxy resin, 5-15 parts of polytetrafluoroethylene, 5-15 parts of polyether ether ketone, 0.5-1.5 parts of plasticizer, 10-15 parts of polyurethane, 1-5 parts of simethicone, 5-10 parts of nanometer silicon dioxide and 30-50 parts of ethanol. The waterproof cable well has the advantages that the waterproof cable well is capable of draining water continuously and timely in a rainy humid environment, and the waterproof and dehumidification performances are realized.

A non-contact humidification or dehumidification system of hydrophobic polymer film consists of liquid humidifier or dehumidifier which connects to air indoor and outdoor separately and includes hydrophobic polymer film of 0.15 - 5.0 micro m diameter hole and said film is made of PVDF , PTFE , PVC , PAN and PES under dry - wet phase conversion method . It features using said film to isolate humidification or dehumidification chamber to be two spaces with closed top and bottom for avoiding direct contact of humidifying or dehumidifying agent to the air.

The invention discloses a coking coal damping process for an internal-heating type forced heat transferring fluidized bed, which comprises the following steps: smashing coal, drying and dedusting. The invention has the advantages that the system is simple; the operation is reliable; the dehumidification can be controlled and adjusted reliably and flexibly; and electric energy and basic construction investment are saved.

The invention discloses a box instrument integrated vaporized hydrogen peroxide disinfecting device. The box instrument integrated vaporized hydrogen peroxide disinfecting device comprises a box bodyand a wireless control panel; a dehumidifying module, a hydrogen peroxide vapour absorber, a three-way electromagnetic valve A, a three-way electromagnetic valve B, a circulating outlet, a first electromagnetic valve, a second electromagnetic valve, a static pressure cavity, a hydrogen peroxide flash vaporizer, a circulating fan, a circulating inlet, a hydrogen peroxide solution filling pump, a hydrogen peroxide solution bottle, a liquid level switch, a control panel, a humidity sensor and a hydrogen peroxide concentration sensor are arranged in the box body. According to the box instrument integrated vaporized hydrogen peroxide disinfecting device, various parts of the vaporized hydrogen peroxide disinfecting device are designed and integrated in a draw-bar box or a transportation box, isconvenient to carry or transport, can be quickly deployed to a destination and carries out a disinfection operation quickly, and mainly aims to small and medium sized space and equipment, such as a biosafety cabinet, a delivery window, an isolator and a small cabin.

The invention relates to a disposable health-care deodorized insole which comprises an upper insole breather layer, a lower insole impervious layer and sweat-absorbing deodorization layers, wherein the upper insole breather layer is a non-woven fabric layer, the lower insole impervious layer is a PE film, the sweat-absorbing deodorization layers are clamped between the upper insole breather layer and the lower insole impervious layer, and an insole sleeve edge is fixedly sewed on the peripheries of the upper insole breather layer and the lower insole impervious layer; and the sweat-absorbing deodorization layers are cotton layers, and a health-care layer is clamped between the sweat-absorbing deodorization layers and is a mugwort woolen layer or a moxa leaf layer. The invention has simple and convenient manufacture and use as well as notable and durable effect, can achieve the functions of deodorizing, dehumidifying and sterilizing, and has no toxic or side effect and low production cost; and the product thereof can be easily accepted by consumers.

The invention discloses an automatic blockage-clearing waste gas filtering device and relates to the technical field of waste gas clearing equipment. The device comprises a cleaning and filtering mechanism; the cleaning and filtering mechanism comprises a sliding chute, a vibration head, a sliding block, a negative pressure port, a connecting ring, a filtering unit and a sealing plate; the filtering unit accumulating a large number of particles slides rightwards after bearing enough waste gas pressure; firstly, a sliding block on the side of the filtering unit is in butt joint with a vibrationblock, so that the filtering unit is affected by high-frequency vibration, and the particles on the filtering unit are rapidly shaken off; and secondly, after the sliding block moves, the negative pressure port is opened to suck and clean the shaken-off particles, so that secondary adsorption is avoided; and thirdly, after the sliding block moves, the sealing plate can be pulled to seal an air inlet, so that waste gas accumulates pressure in the air inlet, and when the pressure is enough, the sealing plate is pushed away, the sliding block is reset, and waste gas continues to be filtered. Automatic cleaning of the filtering unit after the filtering unit accumulates the particles is facilitated, manual intervention is not needed, and the waste gas filtering efficiency is greatly improved.

The invention discloses a scroll holder with an automatic dehumidification mechanism. The scroll holder comprises a cylinder (1); a separator (2) is arranged at the bottom of the cylinder (1); a receiving cavity is formed between the separator (2) and the base plate of the cylinder (1); a dehumidification mechanism is arranged in the receiving cavity and comprises a power source (4), a switch (5), a humidity sensor (6), a controller (7), a fan (8) and a rotating vane (9) fixedly connected with the output shaft of the fan (8), wherein the humidity sensor (6) is used for detecting and obtaining a detection signal; the controller (7) obtains a humidity value and compares the humidity value with a preset humidity value; when the humidity value is greater than the humidity value, the controller (7) drives the output shaft of the fan (8) so as to drive the rotating vane (9) to rotate, and then damp air in the cylinder (1) can be sucked from a through hole (3) and discharged from an air outlet (10). The scroll holder with the automatic dehumidification mechanism is capable of realizing storage and dehumidification, and therefore, the utilization efficiency of the scroll holder is improved and the safety of storage and the practicability of the scroll holder are improved.

The invention relates to a constant-temperature heating and constant-humidity humidifying device comprising: a refrigeration cycle system, a heating cycle system, an internal cycle system, an external cycle system, a water tank, and a control unit. The refrigeration cycle system comprises a refrigeration compressor, a first condenser, a first expansion valve, and a first evaporator; the heating cycle system comprises a heat pump compressor, a second condenser, a second expansion valve, and a second evaporator; the internal circulation system communicates with the control space via a duct and includes an internal circulation humidifier, a first evaporator and a second condenser; the external cycle system communicates with the external environment via a duct and includes an external circulation humidifier, a second evaporator and the first condenser; the water tank communicates with the first evaporator, the second evaporator, the internal circulation humidifier, and the external circulation humidifier; the control unit controls the operation of the refrigeration compressor, the heat pump compressor, the internal circulation humidifier, and the external circulation humidifier. As a result, the constant-temperature heating and constant-humidity humidifying device is possible to adjust different temperature and humidity of the control space and to avoid adding water to the water tank.

The invention discloses a Chinese medicament for treating neck and lumbar spine diseases which is prepared from the following medicinal herbs (by weight ratio): Clematis chinensis 50g, frankincense 40g, myrrh 40g, kansui root 30g, buthus martensi kirsch 30g, earthworm 30g, dried body of ground beetle 60g, Sichuan aconite root 40g, wild aconkite root 40g, curcuma longa 60g, notopterygium root 40g, pubescent angelica root 40g, ledebouriella root 40g, agkistrodon acutus 50g, centipede 5 pieces, peach kernel 30g, safflower 30g, grassleaved sweetflag rhizome 40g, borneol 15g, musk 5g and white pepper 30g. And the preparing process comprises the steps of charging 2500g of sesame oil into pot, charging the Chinese medicinal herbs, frying and deslagging, charging yellow lead 1000g and stirring, cooling down to 60 Deg C, charging cold water, releasing fire-toxin, filtering to obtain the plaster.

The invention discloses a moistureproof distribution box, and the distribution box comprises a pedestal, a box body which is connected to the pedestal and is formed by the enclosing of four side plates, and a box cover connected to the box body. One side plate is connected with a box door, and baffle plates are respectively connected between the adjacent side plates. There are gaps between the baffle plates and the box cover. Cavities which are used for accommodating electric heating pipes are disposed between the baffle plates and the side plates, and the electric heating pipes are connected with the baffle plates through an installation seat. The lower parts of the side plates are provided with air inlets communicated with the cavities. The interior of the pedestal is provided with a cavity, and the interior of the cavity is provided with a humidity sensor and a controller. An inner wall of the pedestal is provided with a fan. A side wall of the pedestal is provided with an air outlet matched with the fan. Ventilation plates are disposed between the pedestal and the side plates, and are uniformly provided with through holes. The distribution box achieves the heating of air entering the distribution box through the electric heating pipes, and the heated air achieves the dehumidification of power equipment, thereby guaranteeing the dryness of the power equipment, and protecting the power equipment from being damaged by humidity.

The invention discloses a wide-range-temperature full-fresh air stepless regulation type refrigeration plant, which comprises three stages of refrigeration systems respectively provided with an evaporator, the evaporators of the three stages of refrigeration systems are arranged in an air duct, an electric heater is arranged in the air duct behind each stage of evaporator, the wide-range-temperature full-fresh air stepless regulation refrigeration plant further comprises a controller, and the controller is respectively electrically connected to each refrigeration system and each electric heater. According to the invention, wide-range-temperature full-fresh air stepless regulation can be realized, realizing wide-range-temperature refrigeration operation, the three stages of refrigeration can be selectively switched on under the condition that the working condition is not harsh, and the wide-range-temperature full-fresh air stepless regulation type refrigeration plant has the advantagesof simple structure, convenience in use, convenience in maintenance and high reliability.

The invention discloses a breathable moisture-proof and heat-dissipating electric cabinet for electric power, including cabinet base, a cabinet shell is installed on both sides of the upper end of thecabinet base. At that top end of the cabinet shell is instal a cabinet top plate, A rotary shaft is mounted in the middle of the cabinet base, A rotary shaft passes through the cabinet base and is connected with a rotating fan blade, A lower end of that rotating shaft is connected with a rotating cam through the base of the cabinet, A water storage tank is installed on the left side of the lowerend of the cabinet base. At that right side of the low end of the cabinet base, A water diversion plug is installed inside the water diversion tank, a water diversion rod is connected at the left endof the water diversion plug, a contact ball is connected at the left end of the water diversion rod through the water diversion tank, a radiating cold bending pipe is installed at the middle of the cabinet base, a water diversion pipe is connected at the left end of the radiating cold bending pipe, an outlet pipe is connected at the right end of the radiating cold bending pipe, and an inlet pipe is connected between the water diversion tank and the water storage tank. The invention enables the radiating cold elbow pipe to release heat or cold quantity according to requirements, realizes the dehumidification and heat dissipation function to the inside of the electric cabinet, and ensures the normal work of the components inside the electric cabinet.

The invention discloses a water pump transportation device with gravity self-locking protection and heat convection dehumidification functions, which comprises a water pump transportation box body, an adaptive gravity self-locking clamping buffer mechanism, a linkage magnetic lifting buffer dehumidification mechanism and a wheel row moving buffer mechanism, wherein the adaptive gravity self-locking clamping buffer mechanism is arranged at the lower part of the water pump transportation box body; the linkage magnetic lifting buffer dehumidification mechanism is arranged on the upper middle portion in the water pump transportation box body; the wheel row moving buffer mechanism is arranged on the lower portion of the water pump transportation box body; and the adaptive gravity self-locking clamping buffer mechanism comprises an adaptive self-locking clamping assembly, a self-weight linkage buffer control assembly and a non-Newtonian fluid automatic anti-collision assembly; and the self-weight linkage buffering control assembly is arranged on the lower portion of the inner side wall of the water pump transportation box body. The invention belongs to the field of water pump transportation, and particularly relates to a water pump transportation device which is compact in structure, easy to operate and high in practicability and has gravity self-locking protection and heat convection dehumidification functions.

The invention belongs to the technical field of green tea production equipment, discloses an obliquity-adjustable drum-type fixation device, and aims to solve the problem of low production efficiency caused by the circumstances that the conventional fixation machine is low in heat energy utilization ratio and unable to perform sorting. The fixation device comprises a rack and a rotating shaft, wherein the rotating shaft is sleeved by a drum which is used for placing of tea leaves; the rack is sleeved by the two ends of the rotating shaft through bearings; a spherical hinge is connected with the upper end of the bearing at one end of the rotating shaft; two springs are respectively arranged above and below the bearing at the other end of the rotating shaft; an adjusting screw rod is arranged on the rack in a matched manner; the drum comprises a cylindrical outer shell; a sleeve mutually matched with the rotating shaft is arranged inside the outer shell; an inner shell is sleeved by the outer shell; a vacuum steam cavity is formed between the outer shell and the inner shell; a wick is laid on the inner wall of the steam cavity; the steam cavity is filled with a working fluid; the exterior of the outer shell is coated with a heating wire layer; through holes are formed between the outer shell and the inner shell, and isolated from the steam cavity.

The invention belongs to the technical field of fresh air, and particularly provides a humidity control method of a fresh air system. The humidity control method aims to solve the problem that an existing fresh air system cannot well adjust the humidity of fresh air, and consequently the comfort degree of the fresh air is poor. Therefore, the fresh air system comprises a shell and a humidity adjusting component rotatably arranged in the shell. The humidity control method can control the rotating position of the humidity adjusting component according to the fresh air supply requirement, so thatthe fresh air system can selectively supply fresh air according to the use requirement of a user; the opening and closing states of an indoor heating component and an outdoor heating component are controlled through the rotating position of the humidity adjusting component and the indoor relative humidity, so that the fresh air system can correspondingly start a humidifying function or a dehumidifying function according to the humidity adjusting requirement, and the humidity of the fresh air is effectively controlled; and therefore, the indoor relative humidity is controlled to be always keptin a proper range to the greatest extent, so that the user experience is effectively improved.

The invention relates to a heat collecting cover for a gas stove. The heat collecting cover comprises a cover body, the cover body has a first accommodating cavity with an opening facing upward and surrounded by a closed circumferential wall in the circumferential direction, and the first accommodating cavity can at least partially accommodate a burner of the gas stove. The heat collecting cover is characterized in that an exhaust port discharging hot air from the first accommodating cavity to the cover body is formed in the center of the bottom of the cover body, at least two air supplement holes supplementing cold air to the cover body are distributed on the periphery of the exhaust port, and a cooker or a cabinet applied with the heat collecting cover is provided. Compared with the prior art, the heat collecting cover has the advantages that the heat collecting cover collects heat produced by the burner in the cooking process, when the heat collecting cover is combined with the cabinet, the heat collecting cover can collect hot air used for drying the cabinet, the purposes of dehumidification and demildewing are realized, and the heat collecting cover is a device that can provide hot air for the cabinet stably.

The invention discloses medical oxygen production equipment which comprises a primary oxygen production box, a cooling dehumidification box, a secondary oxygen production box and an oxygen storage box, the oxygen storage box is communicated with a first oxygen outlet pipeline through a mixing pipeline, an adjusting valve is fixedly arranged in the end, close to the first oxygen outlet pipeline, ofthe mixing pipeline, a cooling elastic plate is fixedly connected to the interior of the cooling dehumidification box, a porous elastic film is movably arranged in the through hole, a pull rope is fixedly connected to the end, extending out of the open groove, of the extension rod, and the end, away from the extension rod, of the pull rope is fixedly connected to the porous elastic film. In use,the oxygen-rich membrane and the molecular sieve are cooperatively used so that the working strength of the molecular sieve is reduced, meanwhile, the cleanliness of the molecular sieve is guaranteed,oxygen with different concentrations is obtained through the mixing pipeline and the adjusting valve, the tensile deformation degree of the cooling elastic plate and the porous elastic film is increased through the oxygen inlet pipe, the screw rod, the toothed plate, the pull rope and other structures, and the cooling and dehumidifying effects are improved.

The invention provides an air conditioner system. The air conditioner system comprises a compressor, a first pipeline and a second pipeline, a first compressing cavity and a second compressing cavity are formed in the compressor, and an air outlet of the compressor is sequentially connected with a condenser, a first electronic expansion valve and a flash vaporization device in series; and the first end of the first pipe line is connected with an air outlet of the flash vaporization device, the second end of the first pipeline is connected with the first compressing cavity of the compressor, and the first pipeline comprises a second expansion valve, a first evaporator and a first liquid accumulator which are sequentially connected in series; and one end of the second pipeline is connected with a liquid outlet of the flash vaporization device, the second end of the second pipeline is connected with the second compressing cavity of the compressor, and the second pipeline comprises a third expansion valve, a second evaporator and a second liquid accumulator which are sequentially connected in series, and the evaporating temperature of the first evaporator is higher than that of the second evaporator. According to the air conditioner system, one of the evaporators can be maintained to operate at a high evaporating temperature for a long time, and the heating energy efficiency ratio of overall operation of the system can be increased.

The invention discloses a dehumidification ventilation type electric distribution cabinet, which relates to the field of electric equipment, comprising a base, a cabinet body is rotatably connected with the base body, and a wind vane is fixedly connected with the top of the cabinet body; Two opposite side walls of the cabinet body are provided with ventilation holes, the top wall of the cabinet body is provided with a strip groove, the strip groove is rotatably connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a first sprocket, and the rotating shaft is fixedly connected with a tilted solar panel; A second sprocket is rotatably connected with the cabinet body, the second sprocket is drivingly connected with the first sprocket, and a fan blade is fixedly connected with the second sprocket; A support plate is arranged inside that cabinet, a sliding rod is arranged on the support plate, one end of the sliding rod protrude outside the cabinet throughthe mouth, and one end of the sliding rod protrudes outside the cabinet and is fixedly connected with the solar panel. The invention solves the problem that the electronic components in the outdoor distribution cabinet are easily damaged in a humid environment, and mainly provides a dehumidification ventilation type electric distribution cabinet capable of introducing natural wind.

The embodiment of the invention provides a humidity control device and method for a refrigerator and the refrigerator, and belongs to the field of refrigerator humidity control. The humidity control device for the refrigerator comprises a storage container, a humidity detection device and an airflow exchange control device; the storage container is arranged in a refrigerating space of the refrigerator and is provided with a storage space used for containing food materials; the humidity detection device is used for detecting the storage space humidity relating to the storage space; the airflowexchange control device is used for controlling the storage space to be opened and closed according to the storage space humidity so as to connect and disconnect air circulation between the storage space and the refrigerating space. Therefore, the effective use space in the refrigerator is not occupied, meanwhile, by means of the diversity of the humidity of the refrigerating space of the refrigerator in the working process of the refrigerator, the storage space can be humidified, and meanwhile, the storage space also can be dehumidified so that the personalized requirements of the stored foodmaterials for the proper fresh-keeping humidity can be met, namely, it can be guaranteed that the stored fruits and vegetables can be prevented from losing water, and the stored dry goods can be prevented from being affected with damp.

The invention relates to the technical field of switching power supplies, specifically a dew-removing cooling switching power supply. The power supply comprises a housing, and the interior of the housing is provided with an integrated circuit board. The integrated circuit board is provided with a main circuit, a control circuit, a detection circuit, a protection circuit and an auxiliary power supply. The interior of the housing is also provided with a cooling fan for cooling, and the housing is provided with a heat dissipation hole for ventilation, a power input jack and a power switch for controlling the power input. The interior of the housing is also provided with sponge which is installed at the heat dissipation hole. The inner wall of the bottom of the housing is provided with a dew collection groove for collecting dew. The interior of the housing is fixedly provided with a fine pipe, wherein one end of the fine pipe is inserted into the dew collection groove, and the other end of the fine pipe is inserted into the sponge. The power supply provided by the invention can solve a problem that a conventional switching power supply cannot remove dew effectively, and can achieve the functions of dust collection and cooling at the same time.

The invention discloses a portable purification dehumidifier which comprises an air outlet channel, a humidification device, a dehumidification device, a purification device, a dust removal device anda bottom movable device. The humidification device, the dehumidification device, the purification device and the dust removal device are arranged around the air outlet channel, the humidification device comprises a humidification device tank, a humidification cavity is arranged in the humidification device tank, a humidification air blowing opening is formed in the right side of the humidification cavity, a water tank table is fixedly mounted on the bottom wall of the humidification cavity, a water inlet which is perforated through the humidification device tank is formed in the rear side ofthe humidification cavity, an oscillation sheet mounting hole is formed in the water tank table, an ultrasonic oscillation sheet is fixedly mounted in the oscillation sheet mounting hole, a water tankis slidably mounted on the water tank table, a water storage cavity is arranged in the water tank, a water inlet and outlet combination is formed in the top wall of the water storage cavity, a watertank handle is fixedly arranged on the water tank, a second humidification air inlet is formed in the left side of the humidification cavity, a first humidification air inlet is formed in an end surface of the left side of the humidification device tank, and the first humidification air inlet and the second humidification air inlet are communicated with the air outlet channel.