3184 results about "Fresh air" patented technology

The invention relates to the technical field of intelligent building environment control and energy management, and provides a building ventilation regulation and control method and equipment based on multi-target space-time analysis in order to solve the problems of high energy consumption, uncontrollable infection risk and response lag in the prior art. Original data and the spatial-temporal features are combined into a multi-modal fusion data set, an air quality change rule is learned based on an LSTM model, a future air quality state matrix is output, a multi-target dynamic optimization function is constructed, an optimal regulation and control strategy of a fan, fresh air and purification equipment is generated, and the optimal regulation and control strategy of the fan, the fresh air and the purification equipment is obtained. The response speed is improved while energy consumption is reduced and infection risks are controlled, and the system is particularly suitable for public places such as hospitals, schools and nursing homes with high requirements for indoor gas environments.

The invention discloses a building fresh air linkage control system based on the Internet of Things, and relates to the technical field of intelligent control linkage, a sensing acquisition module is used for acquiring building state data, analyzing the building state data according to a priority strategy, analyzing building spaces in different regions, generating region information priorities, and sending the region information priorities to a central processing unit; focusing the key change area according to the area information priority to obtain a building environment potential field graph; the cooperative control module is used for performing multi-region cooperative decision on the building environment potential field graph to obtain an expected environment parameter sequence, and adjusting the expected environment parameter sequence through an optimization algorithm to obtain a fresh air coordination instruction set; and the execution decision module is used for performing multi-objective optimization on the fresh air coordination instruction set, generating an equipment-level control instruction, issuing the control instruction to a building equipment executor and completing accurate control of the fresh air system. According to the system, an optimized and convergent fresh air closed-loop control mechanism is established, operation of cold and heat source equipment is effectively coordinated, the energy-saving effect is achieved, and energy waste is avoided.

The invention relates to a liquid air energy storage and terrestrial heat coordinated underground space air regulation and control system and method. Comprising a first-stage compressor, a second-stage compressor, a third-stage compressor, an expansion refrigerator, a first-stage compression heat exchanger, a second-stage compression heat exchanger, a third-stage compression heat exchanger, a cold box, a separator, a liquid air storage tank, a cryogenic pump, an evaporator, a cold storage circulating pump, a cold storage box, a compression heat exchange circulating pump, a compression heat storage box, a first heater, a second heater and a third heater. The system comprises a first air expander, a second air expander, a third air expander and a generator. The regeneration heater is used for guiding the compression heat generated by the compressor into the regeneration heater for regeneration and / or guiding the geothermal energy output by the geothermal energy output end into the regeneration heater for regeneration; the rotary wheel dehumidification device is used for performing cryogenic drying on the wet air; the fresh air processing unit is composed of a fresh air filter, a regeneration fan, a regeneration filter and an air supply fan.

The invention discloses a local space oxygen enrichment control system and method based on an oxygen selective permeable membrane, belongs to the technical field of air purification, environment control and membrane separation, and aims to solve the problems that the indoor oxygen concentration cannot be actively and efficiently increased and compact integration is difficult in the prior art. The system integrates an outdoor fresh air fan, a switching valve, an oxygen enrichment membrane device, an air pump, an indoor air return and supply fan, a gas monitoring control unit, an outdoor exhaust fan and the like, and a control unit dynamically regulates and controls a switching valve passage, the rotating speed of each fan and start and stop of the air pump according to the difference between oxygen sensor data and preset target oxygen concentration; air selectively passes through the oxygen-enriched membrane device to generate oxygen-enriched air or is fed into a room through a bypass air path, and the indoor oxygen concentration is actively stabilized at 21%-26%. The system is suitable for local spaces such as residences and offices, active oxygen enrichment and environment control can be achieved, the air quality is improved, and meanwhile low energy consumption, safety and comfort are taken into account.

The application relates to a hexagonal air flow plate for an intelligent fresh air system, a processing method thereof and a heat exchange core body, and belongs to the technical field of intelligent fresh air systems. The hexagonal air flow plate for the intelligent fresh air system comprises a hexagonal outer frame and a partition strip in the outer frame, characterized in that the partition strip is in a straight strip shape, and the partition strip is divided into a guide partition strip and a ventilation partition strip; the outer frame comprises two parallel sides and corner sides on the two sides of the parallel sides, the corner sides are four, two corner sides form a group, the corner sides in each group form a right angle, one group of opposite corner sides are provided with air holes, and the other group of opposite corner sides are in a closed structure; the guide partition strip is in a closed structure, air ducts are arranged on the two sides of the guide partition strip, and the two adjacent air ducts are not communicated; the ventilation partition strip is arranged in an angle intersecting with the guide partition strip, and the ventilation partition strip is provided with ventilation holes. The processing method of the hexagonal air flow plate and the core body made of the hexagonal air flow plate are simultaneously provided.

The invention discloses a data center dynamic air-conditioning load rapid calculation method, which comprises the following steps of: 1, summarizing data center cold load influence factors as an input condition of a calculation model; 2, constructing a standardized data center reference model based on building energy consumption simulation software; 3, based on the building geometrical characteristics and thermal performance of the target data center, correcting the enclosing structure load of the reference model by adopting an area correction method, and constructing an enclosing structure load rapid calculation model; 4, automatically resetting an internal heat source load calculation result, and constructing an internal heat source load rapid calculation model; 5, correcting the fresh air load of the reference model by adopting a volume correction method based on the geometric characteristics of the target data center building, and constructing a fresh air load rapid calculation model; and step 6, forming a target data center dynamic air-conditioning load rapid calculation method, and obtaining a hourly cooling load prediction result required for covering the whole year or a design stage.

The invention discloses a fresh air system energy-saving regulation and control method based on communication base station load linkage. The method comprises the steps that load parameters and indoor and outdoor environment parameters of a communication base station are obtained in real time; based on the load parameters and the indoor and outdoor environment parameters, a target operation mode of the fresh air system is determined through a preset parameter threshold value; according to the target operation mode, the target air volume is calculated based on the load parameters and the indoor and outdoor environment parameters; based on the target air volume, control operation parameters of the fresh air system are generated; and in the operation process of the fresh air system, operation data of the fresh air system are recorded in real time, and the target air volume is subjected to self-adaptive dynamic adjustment according to the operation data of the fresh air system. According to the method, the energy-saving effect and the operation stability of the fresh air system can be improved by realizing multi-dimensional cooperative regulation and control based on the base station load and the environment parameters.

The invention relates to a variable dew point control method of an all-air air conditioning system, belongs to the technical field of heating ventilation air conditioners, and solves the technical problems of temperature and humidity coupling in the prior art and difficulty in landing of a chilled water temperature resetting technology. The control method comprises the steps of S1, parameter initialization, S2, system starting and stabilizing, S3, air supply dew point dynamic adjustment and cold water valve control, S4, temperature and air supply amount control and S5, fresh air optimization and air valve control. The water supply temperature is adjusted by dynamically adjusting the air supply dew point and dynamically increasing the temperature of the outlet of the surface air cooler, the energy efficiency of the unit is remarkably improved, and the system is suitable for the chilled water temperature resetting technology and compatible with the application of the medium-temperature water supply technology.

The invention discloses a method for improving the internal thermal environment of an air film, and the method comprises the steps: measuring the internal dimensions of an air film retaining wall and an air film material shed, selecting a severe stockpiling heating region in an operation region as a treatment region, selecting an air film retaining wall region as an attachment jet flow air supply unit installation position, constructing a middle air supply unit, and constructing a first air port structure. And air port configuration is conducted, the air speed and flow guide of the first air port structure are set, then the middle air supply unit is arranged, and the attached jet flow air supply unit is constructed. By means of the arrangement mode that the middle air supply unit and the attached jet flow air supply unit are matched, the attached jet flow air supply unit forms an air lake through the coanda effect, the middle air supply unit adopts a double air supply mode, and fresh air can be accurately conveyed to the operation areas on the two sides and the middle core area; the short-circuit effect and the top-layer heat island phenomenon of traditional ventilation are broken through, heat accumulation is prevented, the indoor temperature is remarkably reduced, and the overall thermal environment is improved.

The invention relates to the technical field of environment control, in particular to a cold and heat source environment control method and device with an air purification function, and the method comprises the steps: collecting various parameters through a sensor network, and carrying out the data fusion based on a decision rule base to select a dominant working mode; corresponding air treatment operation is executed, and a composite energy-saving strategy including precooling optimization and phase change latent heat assistance is triggered under the refrigeration working condition; fuzzy control and machine learning are applied to optimize system output and predict load, and a decision rule base and algorithm parameters are updated through self-learning; air supply and exhaust power is controlled to maintain the negative pressure gradient of the key area, and an air path distribution mechanism is adjusted to organize a one-way air flow line; the device comprises an intelligent control module, a sensor group, a fresh air module, a purification module, a cold and heat source module, a bypass pipeline and an air path distribution mechanism. The problems that an existing system is poor in function collaboration, low in energy efficiency and unreasonable in airflow organization are solved, and intelligent decision making, deep energy saving and accurate environment control are achieved.

The invention belongs to the technical field of building ventilation, and particularly discloses an intelligent building ventilation energy-saving system based on AI dynamic adjustment, and the system is characterized in that the system comprises a sensing layer which is used for collecting indoor and outdoor environment parameters in real time; the data transmission layer transmits various data acquired by the sensing layer to a central control system in real time through an Internet of Things communication technology, and is provided with a data caching mechanism; the central control system comprises a data processing module and is used for preprocessing the received data; the AI analysis module is used for establishing an indoor air quality prediction model, a personnel activity mode prediction model and a ventilation system energy consumption model by applying a machine learning algorithm; the control decision module generates an optimal ventilation control strategy; and the execution layer comprises a fresh air fan and an exhaust fan which adopt a frequency conversion technology, and an air supply outlet and an exhaust outlet which are provided with electric air valves, and further comprises a function of receiving a control instruction of the central control system and controlling ventilation equipment in real time.

The application relates to a pharmaceutical production clean workshop, and relates to the technical field of pharmaceutical production workshops.The pharmaceutical production clean workshop comprises a workshop, a fresh air filtering device, a return air filtering device, a fresh air-return air mixing device and a secondary filtering device arranged in the workshop, the return air filtering device comprises filtering components, adsorption components and disinfection components connected in sequence; the fresh air filtering device performs preliminary purification on fresh air; the return air filtering device removes larger particulate matters in return air through the filtering components, further adsorbs small impurities through the adsorption components, and disinfects and sterilizes the gas through the disinfection components; the fresh air-return air mixing device mixes the processed air, the secondary filtering device performs secondary filtration on the mixed air, and the air quality entering the workshop is ensured. Through the synergistic effect of the components, efficient filtration, adsorption and disinfection treatment of fresh air and return air in the workshop are realized, and the air quality and cleanliness in the workshop are effectively improved.

The utility model relates to the technical field of fresh air settling treatment, in particular to a fresh air settling chamber for a clean room, which comprises a settling chamber main body, a partition plate is arranged in the settling chamber main body, a collecting structure is arranged on one side of the partition plate, and side plates are mounted on two sides of the inner wall of the settling chamber main body; through the collecting structure, when air is treated, air in the clean room is introduced into the air inlet pipe, at the moment, after the air is pretreated through the air inlet structure, the air enters the space between the side plates on the two sides, large dust particles in the air fall down under the influence of the gravity of the dust particles and are stuck and fixed by the sticking belt below, and dust is prevented from being blown by wind to fly around; when the adhesive tape on one side is fully paved with dust particles, the output shaft of the adhesive tape can drive the rotating rod to rotate through driving of the servo motor, so that one side of the collecting roller is replaced, and when the adhesive tapes on the four sides are fully paved with dust, the cover plate is taken down, and the adhesive tapes are torn down one by one and replaced. Therefore, the purposes of collecting dust and preventing dust particles from returning to the air chamber are achieved.

The invention relates to the technical field of clean room air conditioners, and particularly discloses an air regulation and control structure for a clean room, the air regulation and control structure comprises a ventilation unit, a fresh air pipe, an air return pipe, a first air supply pipe, a collection device, a cleaning device and a regulation device, and the ventilation unit can transfer, update and circulate air in the clean room; the fresh air pipe is arranged at a fresh air port of the ventilator unit; the air return pipe is arranged at an air return port of the ventilator unit; the first air supply pipe is arranged at an air supply outlet of the ventilator unit; the collecting device is arranged at an output port of the first air supply pipe and can collect pollutants; the cleaning device is arranged in the center of the right side of the outer wall of the output port of the collecting device, and through collaborative design of the collecting device and the cleaning device, the mode that a traditional clean room filtering part depends on manual disassembly and assembly is changed; the cleaning device drives symmetrical filter screen cleaning brushes to comprehensively clean the filter screen in a reciprocating manner by means of a three-connecting-rod driving mechanism, so that no cleaning dead angles exist on the front and rear sides of the filter screen.

The invention belongs to the technical field of machine room environment control, and particularly relates to an air conditioner and fresh air control method and system based on an enthalpy value. The method comprises the steps that a prediction model obtains prospective data according to obtained equipment layer and environment layer data and historical data; generating reference judgment data according to the look-ahead data and the first real-time data; constructing a mode instruction according to the reference judgment data and the second real-time data; and generating an execution instruction according to the mode instruction and the third real-time data, controlling an air conditioner and fresh air by the execution instruction, and feeding back the data in real time to adjust parameters of the prediction model. According to the system, linkage between equipment and real-time interaction of data are achieved through connection, and a complete closed loop covering'perception-prediction-decision-execution-correction 'is formed. Through the complete process, intelligent collaborative operation of the machine room air conditioner and the fresh air system is finally achieved.

The utility model discloses double-sided coating compound equipment, and aims to solve the problem that the quality of a product is unstable easily due to the fact that a material is inevitably contacted with a guide wheel in the compounding process of the conventional double-sided coating equipment. The equipment comprises a double-sided coating mechanism, a suspension type drying oven, a suspension type steering drying oven, a compounding mechanism and a finished product winding mechanism, wherein the suspension type steering drying oven comprises a steering box, a steering fresh air system inlet, an upper steering air duct and a lower steering air duct, and the upper steering air duct and the lower steering air duct are arranged in the steering box. Through the design that the suspension type steering drying oven is arranged at the outlet of the suspension type drying oven, materials are kept in the middle and are prevented from being in contact with objects under the combined action of wind pressure on the two sides during working, so that the glue surface of material coating is ensured to be intact, the phenomenon that the material operation tension cannot be effectively controlled due to adhesion is improved, and the service life of the materials is prolonged. And the problem of unstable product quality is avoided.

The invention belongs to the field of multi-room negative pressure gradient control, and discloses a multi-room negative pressure gradient automatic control method and system based on reinforcement learning. An environment model containing multi-dimensional dynamic parameters such as an environment pressure state, an access control state, a fan air volume and a room coupling relation is constructed, so that the method can directly obtain an optimal control strategy through interactive learning on the premise of not needing an accurate physical model. Through the self-adaptive decision-making capability of reinforcement learning, linkage adjustment of the exhaust air volume and the fresh air volume of each room and the power of a total exhaust fan and a fresh air fan of the whole system is achieved, so that the stability of gradients of a corridor-5Pa, a ward-10Pa, a semi-polluted area-15Pa, a polluted area-20Pa and the like is kept, and it is ensured that the pressure difference of all areas is always within the safety range of-7Pa to-2Pa.

The invention relates to the technical field of livestock and poultry breeding environment control, and discloses a meat duck shed energy-saving ventilation system and method based on air purification and reuse, and the method comprises the steps: carrying out the time-sharing collection of the temperature, humidity and ammonia gas, carbon dioxide and dust concentration of each ventilation region in a meat duck shed, and recognizing the abnormal air flow and pollution accumulation points; air is guided in a partitioned mode according to the pollution type and the flow direction, dust-containing air is separated in the mode that gravity settling and primary filtering are combined, wet air is subjected to circulating condensation treatment, and high-concentration ammonia gas flow is subjected to adsorption or chemical neutralization treatment; a multi-stage closed-loop circulation is formed through the opening-degree-variable air valve and the multi-speed circulating fan; in the backflow process, the recycled air and the fresh air are mixed in proportion through an adjustable air mixing pipeline; and the ventilation paths, the filtering units and the air partition conditions are analyzed regularly, and the cleaning period, the flow dividing proportion and the circulating fan operation mode are adjusted. The device has the advantage of improving the purification efficiency.

The invention discloses a radiation air conditioner heat and humidity decoupling cooperative control method based on dynamic dew point prediction, and the method comprises the steps: building a multi-dimensional environment state sensing system, collecting indoor environment parameters in real time, including indoor temperature and humidity and capillary network water supply temperature, calculating indoor air dew point temperature and moisture content change rate, and forming a dynamic anti-condensation safety margin. And the minimum water supply temperature constraint allowed by the capillary radiation system is generated. Based on the constraint, the system achieves sensible heat and latent heat decoupling of indoor cold loads, sensible heat loads are preferentially borne by the capillary radiation system, wet load disturbance of latent heat loads is eliminated by the fresh air system through feedback compound control, and stable adjustment of indoor temperature and humidity is achieved. And under the working condition of insufficient sensible heat, the system automatically performs self-adaptive redistribution of sensible heat load, and the fresh air system assists in supplementing cold energy, so that comfort and high-energy-efficiency operation are ensured to be maintained within an anti-condensation safety boundary. According to the method, indoor air condensation can be effectively prevented, cooperative operation of the capillary radiation system and the fresh air system is optimized, and accurate heat and humidity control is achieved.

The utility model provides a variable channel fresh air handling unit which comprises a unit body, a surface air cooler and a fan are sequentially arranged in the unit body in the airflow direction, the surface air cooler can heat or cool air passing through the surface air cooler, and the fan is used for sucking outdoor air into the unit body through an air inlet and discharging the outdoor air from an air outlet. A plurality of air valves are further arranged in the unit body and comprise the first air valve and the second air valve which are located on the upstream of the surface air coolers and the third air valve and the fourth air valve which are located on the downstream of the surface air coolers, and the surface air coolers comprise the second surface air cooler and the first surface air cooler. By selecting the air valves with different switches, fresh air passes through the second surface air cooler and the first surface air cooler at the same time and bypasses the second surface air cooler and / or the first surface air cooler, multi-channel change is achieved to change internal resistance of the unit body, the effect of saving energy consumption of a fan is achieved, the fresh air load and energy consumption are reduced while requirements are guaranteed, and the energy consumption is reduced. And only one air inlet is formed outside the unit main body, so that the appearance is more attractive.

The invention discloses a marine energy-saving variable air volume indirect type air conditioner, and relates to the technical field of air conditioning systems, the marine energy-saving variable air volume indirect type air conditioner comprises an air conditioner assembly, the air conditioner assembly comprises an air conditioner shell, one side of the air conditioner shell is fixedly communicated with a fresh air pipeline, and an air return opening is formed in the position, close to one side, of the top of the air conditioner shell. According to the marine energy-saving variable-air-volume indirect type air conditioner, by starting a multi-stage electric push rod, a piston plate is driven to extrude a citric acid solution forwards into a return air inlet pipeline and a fresh air inlet pipeline, in the air inlet process, the citric acid solution can enter the heat exchanger body in air flow, descaling is conducted on the pipeline in the heat exchanger body, and the heat exchange efficiency is improved. Citric acid has good chelation ability and can generate chelation reaction with ions such as calcium and magnesium in incrustation to form a water-soluble complex, so that the purpose of removing the incrustation is achieved, and the citric acid has low corrosivity to stainless steel due to weak acidity.

The invention discloses an intelligent air conditioner resource energy-saving control system, and relates to the technical field of air conditioner control, the intelligent air conditioner resource energy-saving control system comprises an acquisition assembly, a preprocessing assembly, an analysis calculation assembly and a control management assembly, the analysis and calculation assembly comprises a cooling load analysis module, an air supply temperature analysis module and an operation state analysis module. According to the method, dynamic factors such as personnel activity, equipment operation and commodity display density are integrated, so that the cold load calculation accuracy is improved; by introducing humidity, air speed and retention time to correct and balance the comfort level and energy conservation of air supply temperature adjustment and fusing equipment energy efficiency attenuation, fresh air utilization and electricity price factors, multi-system cooperative control of the compressor is achieved, finally conversion from experience to data driving is achieved, the comfort level is guaranteed, and the energy utilization efficiency is improved.

The invention provides a fresh air dehumidification energy-saving control method and system, and relates to the technical field of fresh air dehumidification energy-saving control, the outdoor temperature, the outdoor relative humidity and the actual personnel number of an independent control area are obtained in real time and compared with the preset personnel number, and the number deviation is determined; when the quantity deviation meets a preset deviation threshold value and the outdoor temperature and humidity meet preset conditions, the target fresh air volume can be calculated according to the actual personnel quantity, the total fresh air volume is divided into first fresh air and second fresh air, the first fresh air is guided to a chilled water coil pipe for cooling and dehumidification, and the second fresh air is guided to a chilled water coil pipe for cooling and dehumidification; the first fresh air bypasses the chilled water coil pipe through the bypass air duct and is not cooled and dehumidified, the second fresh air bypasses the chilled water coil pipe through the bypass air duct and is not cooled and dehumidified, and then the cooled and dehumidified first fresh air and the second fresh air are mixed and conveyed to the variable air volume valve box for air volume adjustment. And a remarkable energy-saving effect and better user experience are achieved.

The utility model discloses a closed high-rise hog house environment regulation and control system which comprises a fresh air treatment device, an air supply channel, static pressure air boxes, an exhaust channel and a waste gas treatment device, the fresh air treatment device is arranged in an empty space, the waste gas treatment device is arranged on a roof, and the static pressure air boxes are arranged in a breeding layer and provided with air inlet connectors. An air outlet of the fresh air treatment device is communicated with an air inlet connector of each static pressure air box through an air supply channel, ventilation channels parallel to the excrement discharge grooves are further formed in the floor of the breeding layer, and air holes enabling the ventilation channels to be communicated with the interiors of the corresponding excrement discharge grooves are further formed in the floor; the multiple ventilation channels communicate with an air inlet of the waste gas treatment device through the exhaust channel, the fresh air treatment device is used for conducting purification and temperature adjustment on fresh air and supplying the fresh air into the air supply channel, and the waste gas treatment device is used for sucking waste gas in the exhaust channel, conducting purification on the waste gas and discharging the waste gas; the structure is simple, the air quality of the breeding layer is good, and meanwhile centralized temperature control can be achieved.

The utility model relates to the technical field of lithium battery production, in particular to a lithium battery drying system which comprises a drying production line provided with an air supply outlet and an air exhaust outlet. The heat pump mechanism is provided with an evaporation side and a condensation side; the sensible heat exchanger is provided with a first channel and a second channel; the first end of the first channel communicates with outside fresh air, the second end of the first channel is connected with the air supply outlet, and the fresh air exchanges heat with the condensation side in the air supply process; the first end of the second channel is communicated with the evaporation side, and the second end of the second channel is communicated with the exhaust outlet. According to the embodiment of the utility model, the condensation side of the heat pump mechanism is adopted for heat exchange, the energy efficiency ratio is obviously higher, and meanwhile, after the sensible heat exchanger is adopted, the heat of exhaust air can be further recovered, so that the energy consumption can be reduced. And meanwhile, the heat of the exhaust air can preheat the fresh air, so that the energy consumption can be further reduced, and the energy utilization rate is improved.

The utility model discloses a dehumidification and ventilation mechanism for an airport comprehensive pipe gallery, and relates to the technical field of comprehensive pipe gallery ventilation. The comprehensive pipe rack comprises a comprehensive pipe rack, a first dehumidification and ventilation mechanism and a second dehumidification and ventilation mechanism, the first dehumidification and ventilation mechanism comprises an exhaust pipe, the first dehumidification and ventilation mechanism and a temperature and humidity sensor are arranged to detect and monitor the temperature and humidity in the comprehensive pipe rack in real time, and when the humidity exceeds a threshold value, the second dehumidification and ventilation mechanism is started; equipment is connected into the first dehumidification and ventilation mechanism to conduct dehumidification and ventilation internal circulation, one fan and one condenser can correspondingly process air circulation in three areas, normal circulation is conducted in other areas, the controller gradually increases the power of the fan along with the increase of the area corresponding to the fan, the dehumidification and ventilation efficiency is improved, and the energy consumption and investment cost are effectively reduced. And when the temperature and the humidity in the comprehensive gallery pipe are normal through communication with the external ventilation building, external fresh air enters, and the use energy consumption is reduced.

The invention discloses a hydrogen-related closed cabin for a fuel cell, and relates to the technical field of hydrogen-related closed cabins, the hydrogen-related closed cabin comprises a cabin body, the cabin body comprises a closed chamber and an equipment chamber, and the closed chamber is internally provided with a fresh air inlet system, a temperature and humidity adjusting system, a hydrogen concentration monitoring system and a data acquisition monitoring system; the side wall of the cabin body is provided with a through edge groove communicated with the equipment chamber, the inner wall of the through edge groove is fixedly connected with a frame, the frame is provided with a plurality of evenly distributed blocking channels, the two sides of the frame are provided with an external box and an internal box in an attached mode respectively, and the external box and the internal box move synchronously and are matched with the blocking channels in a switching mode. According to the hydrogen-related closed cabin for the fuel cell, by arranging the structures such as the blocking channel, the external box and the internal box, impurity cleaning and ventilation and heat dissipation are not influenced mutually, meanwhile, blocking blowing and sucking are carried out synchronously, the filter screen can shake, and the use efficiency of the hydrogen-related closed cabin is improved.

The utility model discloses an integrated environment control device for a plant factory, which relates to the technical field of plant factories and comprises a machine body, a heat exchanger group and a circulating flow channel group. According to the technical scheme, the heat exchanger set is arranged in the circulation channel, when the fan wall outputs power and extracts gas in the plant factory, and the gas passes through the heat exchanger set, liquid in the gas is liquefied and dehumidified through the temperature difference of the heat exchanger set, and dehumidification is achieved. And in the refrigerant circulation process, the temperature of the dehumidified and cooled gas can be heated again and is sent back into the plant factory, so that dehumidification and temperature adjustment control over the environment of the plant factory is achieved, negative pressure can be formed in the air flue when the fan wall works, external fresh air can enter the circulation channel through the air flue, and therefore the temperature of the plant factory can be controlled. And the dehumidifier, the air conditioning equipment and the fresh air machine are integrally designed, so that the temperature and humidity adjusting cost of the plant factory is greatly reduced.

The invention discloses an air conditioning method and system for equal-state air supply, a medium and equipment, and belongs to the technical field of air conditioning equipment. The method comprises the steps that on the basis of the indoor design temperature, the indoor design relative humidity, the indoor heat load and the indoor humidity load, the heat-humidity ratio parameter is calculated, and the target temperature value of an equal-state air supply point is determined on an enthalpy humidity diagram; real-time temperature data of the air supply outlet of the fresh air handling unit and the air supply outlet of the fan coil are obtained and compared with the target temperature value, and a corresponding fresh air temperature deviation value and a corresponding return air temperature deviation value are generated; and according to the fresh air temperature deviation value and the return air temperature deviation value, the opening degrees of adjusting valves of the fresh air handling unit and the fan coil are adjusted, so that the air supply temperature of the fresh air handling unit and the air supply temperature of the fan coil are both maintained at the target temperature value. By implementing the method, the technical problem that in the prior art, accurate temperature and humidity control and refrigeration system energy efficiency improvement of a traditional air conditioning system in the high-temperature and high-humidity area high-humidity environment are difficult to achieve at the same time can be solved.

The invention discloses a five-constant system capable of intensively controlling and processing indoor environment, which belongs to the technical field of indoor environment regulation and control, and comprises an indoor unit body arranged indoors, a plurality of partition plates are arranged in the indoor unit body, and the indoor unit body is divided into an air return cavity, a cold and hot water heat exchange cavity, a fresh air heat exchange cavity, a mixed air heat exchange cavity and an air supply cavity; an air return opening and an air supply opening are formed in the upper end of the indoor unit body. A fresh air opening and an exhaust air opening are formed in one side of the indoor unit body. A return air filter is arranged in the return air cavity, a circulating pump and an efficient tank are arranged in the cold and hot water heat exchange cavity, a fresh air fan is arranged in the fresh air heat exchange cavity, a plate exchange module is arranged in the mixed air heat exchange cavity, and an air supply fan, a plate exchange evaporator and a filter element are arranged in the air supply cavity. And the outdoor air source heat pump is connected with the efficient tank. Indoor refrigeration is achieved through the all-air system and the ground cold radiation system in summer, indoor heating is achieved through the all-air system and the ground heating radiation system in winter, and then the five-constant index requirement is met.