1780results about "Air currents for screening" patented technology

The invention relates to the technical field of drying equipment, in particular to a low-consumption constant-temperature dehumidification device and a control method, and achieves an efficient and energy-saving constant-temperature dehumidification effect. The heat recovery module recovers heat in the condensation and regeneration process, the collaborative optimization module coordinates operation of all the modules, the energy utilization efficiency is remarkably improved, and energy consumption is reduced. The control system module dynamically adjusts the state of each module according to the real-time data of the temperature and humidity sensor, ensures the stability of the environment temperature and humidity, and further improves the control precision by adopting a dynamic decoupling control strategy. The regeneration module utilizes recovered heat energy to efficiently regenerate adsorbents and cooperates with novel composite adsorbents, the service life of the adsorbents is prolonged, and the dehumidification performance is improved. The air circulation module forms uniform airflow, and local temperature and humidity unevenness is avoided. A user can set parameters through the interaction unit, the system is controlled to automatically adjust the operation strategy, intelligent operation is achieved, and the system performance is optimized.

The invention provides an industrial air conditioner and waste heat recovery collaborative intelligent optimization control method and related equipment, and is applied to the technical field of data processing. Industrial air conditioner and waste heat recovery system data are fused through the Internet of Things and edge calculation, a standardized parameter sequence is generated through wavelet noise reduction and is converted into an energy flow network atlas, high-energy-consumption working conditions are subdivided through fuzzy clustering, and a dynamic energy efficiency coupling model is constructed. And based on the model, constructing an optimization equation by using an improved particle swarm algorithm, and obtaining the energy consumption of the key node in combination with an energy gradient utilization matrix. And an energy-saving potential coefficient is generated through the multi-dimensional feature matrix, a production plan grouping operation mode is combined, a self-adaptive optimization control model is constructed by using deep reinforcement learning, and finally a real-time regulation and control instruction and an energy efficiency scheme are generated to realize system collaborative optimization.

The invention provides a constant-heating defrosting system of a heat recovery air conditioner and a defrosting control method and device. According to the system, a compressor, a first electromagnetic valve, a water tank, a first expansion valve, a first one-way valve, a second electromagnetic valve, an outdoor heat exchanger and a four-way valve are connected to form a first heating loop; a compressor, a first electromagnetic valve, a water tank, a first expansion valve, a first one-way valve, a third electromagnetic valve, an energy storage water tank, a fourth electromagnetic valve and a four-way valve are connected to form a first defrosting loop. A compressor, a fifth electromagnetic valve, a second one-way valve, an outdoor heat exchanger and a four-way valve are connected to form a second defrosting loop; and the first heating loop, the first defrosting loop and the second defrosting loop form a single heating water defrosting loop. The problem that in the prior art, in the defrosting process, the comfort experience of a user is affected due to the fact that an air conditioner does not conduct heating is solved.

The invention provides a multifunctional heating ventilation air conditioner waste heat utilization method and system, and the method comprises the following steps: 1, obtaining multi-source data of an air conditioner system and an external heat source, carrying out the preprocessing, carrying out the grading collection and preliminary integration of the multi-source waste heat, and dividing the multi-source waste heat into high-temperature waste heat, medium-temperature waste heat and low-temperature waste heat; multi-source data of an air conditioning system and an external heat source are collected, condensation heat of a compressor, industrial waste heat and other multiple types of waste heat are integrated and subjected to staged treatment, and a high-temperature power generation-medium-temperature heat supply-low-temperature heat storage gradient utilization system is constructed; an LSTM neural network thermal load prediction model and an intelligent algorithm are combined to dynamically adjust a waste heat distribution path so as to realize self-adaptive switching of a refrigeration mode, a heating mode and a hot water mode, and meanwhile, a cascade system, photovoltaic energy, geothermal energy and the like are coupled through a direct-current micro-grid to construct a hybrid energy supply system. The problems that in the prior art, waste heat sources are single, energy efficiency is low due to the fact that gradient utilization is lacked, dynamic regulation and control are insufficient, and cooperation with renewable energy sources is not achieved are sequentially solved.

The invention relates to the technical field of constant temperature and humidity control, and discloses a multi-effect total heat recovery constant temperature and humidity system. A heat recovery distribution control module of the system analyzes the matching degree of heat recovery efficiency and energy stability and generates a heat recovery distribution control parameter set; the temperature and humidity balance optimization module adjusts the temperature and humidity distribution balance of the cavity and generates a temperature and humidity regulation and control optimization parameter set; the fresh air dynamic regulation module optimizes the fresh air input rate and path distribution and generates a fresh air dynamic regulation result; the abnormal working condition intervention module responds to temperature and humidity fluctuation and generates an abnormal intervention adjustment data set; and the environment parameter optimization module adjusts the target regulation and control path parameters and generates an environment temperature and humidity optimization data table. According to the system, through cooperative work of all the modules, efficient and accurate regulation and control over the environment temperature and humidity are achieved, the stability and adaptability of the system under complex working conditions are improved, and the requirements of modern industrial production and other scenes for high-precision environment control are met.

A ventilation system including a ventilator; and an outdoor unit, wherein the ventilator includes a housing including a first intake, a second intake, a first outlet and a second outlet, a plurality of dampers to change flow paths of air flowing through the housing, first and second air blowers, a heat exchanger in the housing, and a processor to control the dampers and first and second air blowers to form a first flow path in which outside air flows through the heat exchanger, or form a second flow path in which room air flows through the heat exchanger, to thereby form a flow path in the ventilator, while air flows through the flow path, control the outdoor unit to form frost on the heat exchanger, and control the outdoor unit to stop operating based on a preset frosting termination condition so that the frost melts to clean the heat exchanger.

The present application relates to the technical field of air conditioners, and particularly relates to an air conditioner control method and device, a multi-connected air conditioner and a storage medium, the present application determines the target heat recovery mode of the multi-connected air conditioner by judging the water tank temperature of the hot water tank, the heating energy demand and the total energy demand of each air conditioner indoor unit obtained when the multi-connected air conditioner simultaneously exists refrigeration and heating water demand, and then adjusts the communication state of the reversing device and the throttling element according to the target heat recovery mode, so as to achieve the purpose of simultaneously operating refrigeration and heating water by one heat pump system, and heat the water tank by the waste heat of air conditioner refrigeration, thereby avoiding the technical problem that the heating and heating water in the prior art multi-connected air conditioner are not simultaneously performed, and improving the use experience of the user.

The invention provides a control method of an air conditioner heat recovery system, the air conditioner heat recovery system and a computer readable storage medium. The method comprises the steps that the water temperature of a water heater and the indoor environment temperature at the current moment are obtained; according to the water temperature of the water heater and the indoor environment temperature, the operation mode of the air conditioner heat recovery system is determined, and the first operation mode is a mode that the air conditioner is in a refrigeration mode and does not heat the water heater; the second operation mode is a mode in which the air conditioner is in a refrigeration mode and heat released by a refrigerant of the air conditioner is completely used for heating the water heater, and the third operation mode is a mode in which the air conditioner is in the refrigeration mode and part of heat released by the refrigerant of the air conditioner is used for heating the water heater; and controlling the air conditioner heat recovery system to operate in the operation mode. According to the method, through switching of multiple operation modes of the system, condensation heat can be recovered to reserve domestic hot water in advance while intelligent regulation and control of the indoor temperature are achieved, and effective utilization of heat energy of the whole house is achieved.

The invention relates to the technical field of dehumidifiers, in particular to an energy-saving heat exchanger and an efficient rotary dehumidifier. The shell is provided with an air blowing mechanism; the air blowing mechanism comprises a driving seat, a motor, a first linkage assembly and a fan seat; the driving seat is arranged at the top of the shell; the motor is provided with a transmission shaft; the transmission shaft is connected with the fan base through a first linkage assembly. A plurality of fixed fan blades are rotationally arranged on the fan base; the fixed fan blades are telescopically and movably provided with movable fan blades; the device further comprises a second linkage assembly. The transmission shaft drives the fixed fan blades to rotate and drives the movable fan blades to stretch and retract through the second linkage assembly. The motor drives the fan base to rotate through the transmission shaft and the first linkage assembly, and air flow is generated through the fixed fan blades and the movable fan blades; besides, the motor can change the air volume of the energy-saving heat exchanger by changing the total fan blade area of the movable fan blades and the fixed fan blades and the overturning angles of the movable fan blades and the fixed fan blades through the transmission shaft and the first linkage assembly.

The invention provides heat exchange equipment and a control method based on the heat exchange equipment, the heat exchange equipment comprises a shell, the shell is provided with a first end and a second end which deviate from each other, the first end faces a first space and is provided with a fresh air port and an exhaust port, and the second end faces a second space and is provided with an air supply port and an air return port; the detection device is configured to obtain the air inlet temperature of the fresh air opening; the control device is configured to calculate the dew point temperature of the second space in the state that the air inlet temperature is higher than the preset temperature; the detection device is further configured to obtain the air supply temperature of the air supply outlet, and the control device is further configured to compare the air supply temperature with the dew point temperature.

The invention provides an automobile mosquito protection system and method based on a negative pressure airflow barrier, and the system comprises an airflow generation module which comprises at least one fan arranged at an automobile door frame and is used for generating airflow flowing from the interior of a passenger compartment to the exterior of an automobile; and the air guide structure communicates with the airflow generation module and is used for forming a negative pressure airflow barrier covering the vehicle door opening at the vehicle door opening. An airflow barrier is established at the moment of opening of the vehicle door, mosquitoes are prevented from entering from the source, and passive is changed into active; a pure physical airflow expelling mode is adopted, no chemical substance or high-voltage electric shock risk exists, the air quality in a vehicle is preferentially monitored, and the health of passengers is guaranteed; intelligent control is carried out based on double signals of the vehicle door opening degree and biological recognition, and the protection effect, energy consumption and noise are effectively balanced; core components of the system are designed in a hidden integrated mode, and the appearance and getting-on and getting-off convenience of the vehicle are not affected.

The invention relates to the technical field of air conditioner waste heat recovery, and particularly discloses a heating ventilation air conditioner waste heat recovery device which comprises a box body, a water guide unit, a ventilation unit and a heat exchange unit, the water guide unit, the ventilation unit and the heat exchange unit are arranged in the box body, the heat exchange unit comprises a plurality of heat exchange cylinders arranged in the box body, each heat exchange cylinder is provided with a first valve and a second valve, and an air bag is arranged in each heat exchange cylinder. The air bag is connected with a driving assembly for expanding or shrinking the air bag; the water guide unit comprises a spiral coil arranged in the heat exchange cylinder, the ventilation unit is used for sequentially introducing gas into the heat exchange cylinder, when gas is introduced, the first valve and the second valve are opened, when ventilation is stopped, the first valve and the second valve are closed, and the driving assembly drives the air bag to expand and contract repeatedly. According to the waste heat recovery device for the heating ventilation air conditioner, high-temperature gas can be gathered towards the spiral coil area, the heat exchange efficiency is improved, meanwhile, the high-temperature gas can flow through expansion and contraction of the air bag, and gas waste heat is fully recycled while the heat exchange efficiency is improved.

Disclosed in the present invention is a heat recovery ventilator, comprising a frame, a housing, a heat exchange rotor, a central shaft, a plurality of shaft seals, an outer rotor motor, and a motor support; the housing is mounted on the frame, the heat exchange rotor is rotatably mounted in the housing, the heat exchange rotor is fixed to an outer rotor motor housing by means of an inner fixing support, two ends of the central shaft are fixedly mounted on the frame, and the plurality of shaft seals are connected between the housing and the heat exchange rotor. The outer rotor motor is mounted in the middle of the inner cavity of the heat exchange rotor by means of the motor support, and a shaft of the outer rotor motor is fixedly connected to the central shaft. In the present invention, since the outer rotor motor provides rotating power for the heat exchange rotor, the structure is simple, and since an outer cylinder and an inner cylinder in the heat exchange rotor are conical cylinders, when the heat exchange rotor rotates, the centrifugal forces acting on dewdrops attached to the inner cylinder and the outer cylinder are different, the dewdrops concentrate in the axial direction under the action of the centrifugal forces and are transferred to a cold air passage at the shaft seals for evaporation, the flow velocity of the dewdrops is higher, and the heat exchange effect is better.

The invention relates to an energy-saving fresh air system suitable for a high-temperature and high-humidity area and a control method. The energy-saving fresh air system comprises a filter, a heat exchanger, a surface air cooler and a fan which are sequentially arranged on an air pipe. Outdoor fresh air enters the heat exchanger through the filter, the heat exchanger precools the filtered fresh air with dehumidification cold air from the surface air cooler as a cold source, and the precooled fresh air is subjected to deep cooling dehumidification through the surface air cooler, reheated through the heat exchanger and finally fed into a room through the draught fan. A branch pipe is arranged between the filter and the heat exchanger, filtered fresh air is led out of the branch pipe to be fed into the surface air cooler, and the amount of the fresh air fed into the surface air cooler is controlled through a bypass air valve. And the other part of fresh air controls the fresh air volume fed into the heat exchanger through the pre-cooling air valve, the circulation path and the heat exchange proportion of the fresh air are controlled through linkage of the bypass air valve and the pre-cooling air valve, and air supply temperature adjustment is achieved. And the fresh air is pre-cooled by using the cold air after deep dehumidification, and meanwhile, the dehumidified low-temperature cold air is reheated, so that the energy consumption is reduced.

The invention discloses an energy-saving door bucket control system which comprises a door bucket defined by glass, a first movable door (D1) and a second movable door (D2) are arranged on the two sides, close to the outdoor space, of the door bucket respectively, a third movable door (D3) and a fourth movable door (D4) are arranged on the two sides, close to the indoor space, of the door bucket respectively, and the first movable door (D1) corresponds to the third movable door (D3). The second movable door (D2) corresponds to the fourth movable door (D4); a first electric sliding door (M1) and a second electric sliding door (M2) which are distributed in a staggered mode are further sequentially arranged in the door bucket, a first channel (R1) is formed between the third movable door (D3) and the first electric sliding door (M1), a second channel (R2) is formed between the first electric sliding door (M1) and the second electric sliding door (M2), and a third channel (R3) is formed between the second electric sliding door (M2) and the second movable door (D2). The invention has the characteristic of greatly reducing the energy consumption of the air conditioner in winter and summer so as to realize the energy-saving purpose.

The invention belongs to the field of ventilation equipment, and particularly relates to a window type ventilator of a periscopic air duct, the window type ventilator comprises an air outlet duct and an air inlet duct, the air inlet duct comprises a first vertical section, the air outlet duct comprises a second vertical section, a heat exchange cavity is arranged in the first vertical section, the second vertical section is communicated with the heat exchange cavity, a heat exchange device is arranged in the heat exchange cavity, and the heat exchange device is communicated with the first vertical section. A dust removal device is further arranged in the air inlet duct and comprises two electrostatic film sets arranged at intervals, a rotating mechanism is arranged at one end of each electrostatic film set, and the rotating mechanisms can adjust the opening degree of the electrostatic film sets through rotation so as to adapt to the inlet flow of different outside air; external air exchanges heat with exhausted indoor air through the heat exchanger, then is dedusted through the dedusting device, and finally enters a room.

The utility model discloses a humiture adjusting air conditioner and a humiture energy-saving adjusting system using the same, and belongs to the technical field of air conditioning, the humiture adjusting air conditioner comprises a case, a first energy recovery heat exchanger, a surface air cooler and an exhaust fan, the case is provided with an air supply outlet and an air return inlet, the plate type first energy recovery heat exchanger is arranged in the case, and the surface air cooler is arranged in the case. The first energy recovery heat exchanger comprises a first heat exchange channel and a second heat exchange channel, the return air inlet is connected with the air inlet end of the exhaust fan through the first heat exchange channel, the air supply outlet is connected with the air outlet end of the exhaust fan through the second heat exchange channel, the surface air cooler is arranged at the air inlet end of the exhaust fan, and the air inlet end of the exhaust fan is connected with the air outlet end of the exhaust fan through the surface air cooler. Indoor temperature and humidity adjustment is achieved in an internal circulation mode under low energy consumption.

The utility model discloses a heat exchange unit, and relates to the technical field of machine room air conditioners. The two rows of heat exchange core bodies are arranged on the rack in parallel in the first direction, and the heat exchange core bodies are obliquely arranged, so that the outdoor air inlet faces and the outdoor air outlet faces of the heat exchange core bodies intersect with the first direction and the second direction, and the second direction is perpendicular to the first direction; the spraying system comprises two spraying devices corresponding to the heat exchange core bodies, and each spraying device comprises a first spraying set located on the outdoor air outlet side of the corresponding heat exchange core body and a second spraying set located on the outdoor air inlet side of the corresponding heat exchange core body; the multiple nozzles of the first spraying set are sequentially arranged in the direction parallel to the outdoor air outlet face, and the multiple nozzles of the second spraying set are sequentially arranged in the direction parallel to the outdoor air inlet face. The spraying mode and the spraying water amount of the spraying system can be adjusted according to different working conditions, so that the unit can better save energy and water under the conditions of different temperatures and humidity.

The utility model relates to the technical field of heating ventilation air conditioners, in particular to an exhaust heat recovery and condensation heat recovery all-in-one machine. Comprising a condensation heat recovery part and an exhaust heat recovery part, the condensation heat recovery part and the exhaust heat recovery part are divided into an upper layer and a lower layer, and the upper layer and the lower layer are both installed on a base. The condensation heat recovery part comprises a fresh air opening, an access door, a filter screen, an evaporation coil pipe, a reheating coil pipe, an air feeder and an air supply opening; outdoor fresh air enters the fresh air opening, then sequentially passes through the filter screen, the evaporation coil and the reheating coil, and then is fed into a room through the air feeding opening by the air feeder. According to the utility model, unnecessary energy waste can be reduced.

The invention relates to a fully-mechanized face multi-angle blowing-suction purification dust removal system and a dust removal method, and belongs to the technical field of coal mine dust treatment. Comprising a dust concentration sensor arranged on a hydraulic support and a linear dust remover arranged on a hollow interlayer of a chute baffle of the scraper conveyer. The dust concentration sensor detects the dust concentration of the coal face and transmits a signal to the control system, and the control system selectively opens and closes the dust remover at the corresponding position to achieve accurate dust removal. The linear dust remover forms an entrainment effect to suck dust generated by coal cutting of the roller of the coal mining machine, and the dust is purified. And meanwhile, a barrier is formed between the coal mining machine and the pedestrian side in manners of forming an air curtain, a water curtain, a fog gun and the like at the air outlet, so that untreated dust is prevented from diffusing to the pedestrian side for the second time. The device is simple in structure and convenient to mount, solves the problem of serious dust pollution of the fully-mechanized coal mining surface, and realizes source treatment of dust while preventing dust diffusion.

The invention discloses an air supplement centralized dehumidification device for underground buildings, and belongs to the technical field of dehumidification heat exchange devices, the air supplement centralized dehumidification device comprises two tower bodies, one tower body is used for dehumidifying air, the other tower body is used for regenerating dehumidification liquid, and a compression heat pump system is arranged between the two tower bodies and used for refrigerating and heating the two tower bodies respectively. The double-tower-body design is responsible for air dehumidification and dehumidification liquid regeneration respectively, a complete energy circulation closed loop is constructed in cooperation with a compression heat pump system composed of an integrated evaporator, a condenser, a compressor and an expansion valve and a plate heat exchanger, the heat pump system efficiently transfers heat through phase change circulation, a stable cold and heat source is provided for the dehumidification and regeneration process, and the heat pump system has the advantages of energy conservation and environmental protection. The plate heat exchanger achieves heat recovery of a low-temperature dilute solution and a high-temperature concentrated solution, energy waste is reduced, and compared with the problems of high energy consumption of traditional air conditioner dehumidification, low energy utilization rate of single solution dehumidification and the like, the total energy consumption of the system is greatly reduced, and the green and environment-friendly concept is fully practiced.

The invention relates to the technical field of curtain walls, and provides a building energy-saving curtain wall which comprises a curtain wall body, the curtain wall body comprises a frame, outer glass arranged on the frame and inner glass rotationally connected to the frame, a cavity is formed between the outer glass and the inner glass, and an air inlet is formed in the outer glass; the curtain wall body is provided with a filtering assembly, the filtering assembly is used for filtering dust of air entering the cavity from the air inlet, the filtering assembly comprises a gauze element arranged in the cavity, the gauze element is obliquely arranged, the upper end of the gauze element is inclined towards the inner glass, and the lower end of the gauze element is inclined towards the outer glass. The lower end of the gauze element inclines towards the outer glass, and a driving assembly used for driving the gauze element to move in the length direction of the gauze element is arranged on the frame. According to the invention, the position for adsorbing dust before the gauze element is changed, and the retention amount of subsequent dust and the circulation amount of air are improved, so that the filtering effect and the ventilation performance are improved.

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.

The invention provides a sludge drying fresh air adjusting system and method.According to the sludge drying fresh air adjusting system, particulate matter grading interception is achieved through a three-stage combined structure and three-stage filtering in an air filtering module, the maintenance frequency is reduced through the primary layer washable design, and the blocking risk is monitored and early warned through the intermediate layer pressure difference; and the high-level quick release structure is convenient to replace. The temperature control module integrates a waste heat recovery mode and an electric heating mode, the heat transfer efficiency is enhanced through a nano-coating, temperature uniformity is ensured through partition temperature control, and the refrigeration unit and the heating system are interlocked to avoid energy conflicts. The intelligent control module achieves dynamic adjustment through a multi-parameter sensing network, a three-level early warning mechanism guarantees safe and stable operation of the system, the waste heat priority algorithm maximizes the energy utilization rate, and the response speed of the stepless speed regulation mechanism meets the industrial-level real-time requirement. The system integrally realizes refined energy consumption management, effectively reduces carbon emission in the sludge drying process, and ensures that the air quality meets the industrial hygiene standard.

The utility model discloses an air duct structure and an air curtain machine. The air curtain machine comprises a shell, an air duct structure and a wind wheel structure. The shell is provided with an air inlet and a wind wheel chamber, and the air inlet is communicated with the wind wheel chamber. The air duct structure is provided with an air inlet end and an air outlet end, and the air inlet end communicates with the wind wheel chamber; the air duct structure comprises two air duct side plates which are arranged in a spaced mode. The air duct side plate comprises a protruding part and two connecting parts, the connecting parts are fixed relative to the shell, the protruding part is arranged between the two connecting parts, the protruding part protrudes towards the inner side of the air duct structure, and the protruding part and the connecting parts are in arc smooth transition. The wind wheel structure is rotationally installed in the wind wheel chamber and used for driving air to flow from the air inlet to the air duct structure. According to the air duct side plate, by arranging the protruding parts, air can be guided, transition of air flow is smoother, the air can be prevented from directly colliding with the inner side wall of the air duct side plate, after collision is reduced, vortex generation can be restrained, and therefore noise generation can be reduced.

The invention discloses a total heat recovery device, and relates to the technical field of fresh air ventilation, the total heat recovery device comprises a counterweight base, the upper surface of the counterweight base is provided with an outer shell, the top of the outer shell is fixedly provided with a transverse plate, the transverse plate is provided with an air inlet sleeve and an air outlet sleeve, and the outer shell is internally provided with an airflow channel; the air inlet end of the airflow channel communicates with the air inlet sleeve, the air outlet end of the airflow channel communicates with the air outlet sleeve, external airflow sequentially penetrates through the air inlet sleeve, the airflow channel and the air outlet sleeve and forms a first airflow path, and a heat exchange section used for heat recovery is arranged at the position, close to the air inlet end of the airflow channel, of the first airflow path; a cylindrical cavity is formed in the middle of the airflow channel in the outer shell, a driving motor is arranged in the cylindrical cavity of the outer shell, the output end of the driving motor is connected with a rotating wheel, and honeycomb-shaped hole channels with evenly-changing sections are formed in the outer surface of the rotating wheel. The method has the effect of quickly enhancing sensible heat exchange.

The invention discloses a dispersed exhaust air source heat pump centralized heat recovery system based on gas-to-gas heat exchange, and relates to the technical field of exhaust air heat recovery, the system comprises an intelligent control module, the intelligent control module comprises a parameter monitoring unit, a working condition matching unit and an execution regulation and control unit, the parameter monitoring unit sets an initial monitoring frequency according to position distribution and exhaust characteristics of exhaust points of different functional areas and collects environment parameters, flow parameters and pollutant concentration parameters of the exhaust points, the working condition matching unit generates a working condition adjusting instruction, and the execution regulation and control unit executes regulation and control according to the working condition adjusting instruction. And outputting a regulation and control signal to modify the corresponding equipment working parameters. By installing the intelligent control module, the function of dynamically adjusting the heat exchange process and the operation state of the heat pump according to exhaust parameters is achieved, the problems that a traditional system is lagged in regulation and control and poor in parameter matching performance are solved, and the response speed and regulation and control precision of the heat recovery system are improved.

The invention discloses a heat exchange unit and an energy storage device.The heat exchange unit comprises a shell, a heat exchange system, a plurality of draught fans and at least one partition plate assembly, the shell is provided with a first wall, the first wall is provided with multiple layers of air supply outlets, the heat exchange system is provided with a condenser assembly, and the condenser assembly is arranged on the side, in the thickness direction, of the first wall; a cavity is defined between the two layers of air supply outlets, the partition plate assembly is provided with a partition position, the partition plate assembly divides the cavity into a plurality of sub-spaces which are not communicated with one another at the partition position, and each sub-space is communicated with the corresponding layer of air supply outlets. According to the heat exchange unit provided by the embodiment of the invention, the cavity is divided into the multiple sub-spaces which are not communicated with one another through the partition plate assemblies at the partition positions, and airflow subjected to heat exchange can only flow in the sub-spaces and is discharged out of the shell under the action of the draught fans corresponding to the sub-spaces; the probability that airflow subjected to heat exchange generates turbulent flow in the cavity due to the effect of all layers of fans can be reduced, and the airflow circulation uniformity is improved.

The utility model relates to the technical field of air conditioners, and discloses a building heat supply and ventilation air conditioning device which comprises an air outlet bin and an air suction bin at the bottom of the air outlet bin, an air outlet is formed in the air outlet bin, a heating box is arranged behind the air outlet and fixedly installed in the air outlet bin, and the air suction bin is arranged in the air outlet bin. And the back of the heating box is fixedly connected with a mixing bin. Air in a building is sucked in through the air collecting pipe, fresh air in the preheating bin is sucked in through the fresh air pipe, indoor air sucked in through the air collecting pipe and outdoor fresh air sucked in through the fresh air pipe can be mixed in the mixing bin, then flow into the heating box to be heated, and then are exhausted into the building through the air outlet. When external cold air enters the preheating bin, fresh air can be preheated through the temperature emitted by indoor hot air in the heat conduction pipe, and therefore the effects that indoor ventilation is guaranteed, meanwhile, exhausted heated air is fully utilized, heat supply is guaranteed, and meanwhile, the indoor air quality is improved are achieved.

A purge controlling system includes a purge module and a control module. The purge module is arranged in the load port and is electrically connected with the control module. The purge module includes an air curtain unit, a flow control unit and a sensing unit. The control module controls the purge module to provide adequate gas flow of purge gas into the air curtain unit and form a gas curtain according to the displacement value of the door assembly.