32864results about "Air conditioning systems" patented technology

The invention discloses an energy-saving control method and system for a water chilling unit, and relates to the technical field of energy-saving control. During operation of the system, a data set is synchronously collected from a water chilling unit system through a multi-channel asynchronous sampling mechanism, time sequence compression and redundancy removal are carried out, an embedded perturbation calculation mechanism is used for calculating and generating a non-dominant control core coefficient, and the non-dominant control core coefficient is used for controlling the energy-saving control of the water chilling unit; a three-dimensional coefficient space is converted and output through an entropy state change structure and is used for constructing a state balance atlas, comprehensively calculating a control state index SEEI, evaluating the current energy state offset degree of a system, determining whether intervention is carried out or not, carrying out rule search and nonlinear modeling based on the control state index SEEI value, generating an adjustment matrix, and carrying out state balance analysis. And starting a data reconstruction micro-strategy of a short-time historical window, receiving an adjustment matrix, converting the adjustment matrix into a device-level instruction, executing an action through an edge controller, feeding back a response error epsilon (t) in real time, and predicting a potential performance degradation trend based on long-time system operation data.

The invention discloses an intelligent regulation and control method and system for a photovoltaic energy storage air conditioner. The method comprises the steps that photovoltaic related data, energy storage related data and air conditioner operation related data are collected; inputting the photovoltaic related data into the photovoltaic power generation prediction model to obtain a photovoltaic power generation prediction result; inputting the air conditioner operation related data into the air conditioner load prediction model to obtain an air conditioner load prediction result; inputting the photovoltaic generating capacity prediction result, the air conditioning load prediction result, the energy storage related data and the photovoltaic related data into an energy storage optimization scheduling model to obtain an energy storage charging and discharging decision; constructing a power supply strategy core rule base based on the energy storage related data, the electricity price peak time period and output results of the photovoltaic power generation prediction model and the air conditioner load prediction model; and optimizing an output result of the energy storage optimization scheduling model based on the power supply strategy core rule base. The method has the outstanding advantages of high reliability, high photovoltaic utilization rate, low dependence degree on a power grid and the like.

The present disclosure provides a neck fan. The neck fan includes a hanging shell and a first fan assembly. The hanging shell includes an inner end portion that is in contact with the neck. A first air guide chamber having a first central axis is arranged on the hanging shell in a protruding manner. The first air guide chamber includes a first air inlet arranged at a lower end portion of the hanging shell and a first air outlet opposite to the first air inlet. The first air outlet is oriented towards the inner end portion. Both the first air inlet and the first air outlet are located on the first central axis. The first fan assembly is located in the first air guide chamber. And the first fan assembly is configured to drive an air flow to flow from the first air inlet to the first air outlet.

The present invention provides an air purifier including an outer case having a filtering cavity and a driving cavity spaced apart from each other, a filter received in the filtering cavity, a driving fan received in the driving cavity. The outer case has at least one air inlet and an air output. An air hub extends into the driving cavity. The air hub includes a first air drawing frame and a second air drawing frame coaxially formed with respect to the filter. An axial direction of the first air drawing frame is aligned with a longitudinal axis of the driving fan. The second air drawing frame extends peripherally, upwardly and radially from the first air drawing frame into the driving cavity.

The invention discloses an air conditioning system and a control method thereof. The air conditioning system comprises an air conditioning outdoor unit; the air conditioning outdoor unit comprises a compressor, an outdoor heat exchanger and an outdoor fan; the outdoor fan is at least provided with a first working mode and a second working mode; and when the outdoor fan runs in the first working mode, a wind gear is higher than that when the outdoor fan runs in the second working mode. The control method comprises the following steps that S1, the air conditioning system is controlled to enter arefrigeration mode; S2, according to the outdoor environment temperature and / or preset hours, the outdoor fan is controlled to enter the first working mode or the second working mode. According to the control method of the air conditioning system, the air conditioning system can control the outdoor fan to enter the first working mode or the second working mode according to the outdoor environmenttemperature and / or the preset hours, and when the outdoor fan runs in the second working mode, the wind gear of the outdoor fan is lowered, so that the use reliability the air conditioning system cannot be affected, and the requirement of a user on comfortableness can be met.

An air conditioner is provided. The air conditioner may include a casing in which an inlet, a first outlet positioned at a front thereof, and a second outlet positioned at a lower surface thereof are formed, a fan that creates an air flow from the inlet to the first outlet or the second outlet, and a first vane that opens or closes the second outlet. The first vane closes the second outlet to discharge air through the first outlet, or opens the second outlet to discharge air under the first outlet.

The invention discloses a plasma air purifier control method and system based on artificial intelligence, and the method comprises the steps: collecting the internal and surrounding environment data of a plasma air purifier in real time, extracting pollution space distribution characteristics through combining with an improved Point Net + + network, and constructing a knowledge graph containing the pollution concentration, equipment parameters and other multi-dimensional information. A graph neural network (GCN) is innovatively adopted to establish a nonlinear mapping model of working parameters and filtering efficiency, key parameter combinations such as voltage and wind speed are dynamically optimized through a strategy gradient reinforcement learning algorithm, and a strategy library with the maximum filtering efficiency is formed. And a multi-physics field coupling simulation technology is introduced to verify the reliability of the strategy, a heterogeneous knowledge graph is constructed, and rapid generation and accurate execution of a control instruction are realized. The difference between real data and twin data is compared in real time through a digital twin technology, a reinforcement learning strategy is dynamically adjusted, and a closed-loop optimization system is formed. The purification efficiency and the energy efficiency ratio of the plasma air purifier are remarkably improved.

An air conditioner is provided. The air conditioner may include a case including an intake port and a discharge port, a fan that is disposed inside of the case and forms an air flow, an indoor heat exchanger that heat-exchanges air inside of the case with a refrigerant, and a guide module that is disposed downstream of the fan and guides the air flow flowing to the discharge port. The guide module may include a plurality of vanes arranged in a row in a discharge flow path formed between the discharge port and the fan. The plurality of vanes may include a pair of first vanes spaced apart from each other and a plurality of second vanes arranged between the pair of first vanes. The pair of first vanes may include at least one communication hole formed in a penetrating manner.

The present disclosure relates to a dehumidifier.The dehumidifier according to an embodiment may include a first part in which a fan, a heat exchanger, and a dehumidification module are installed. The first part may define an upper space of the dehumidifier.The dehumidifier may include a second part in which a vacuum pump and at least one tank are installed. The second part may define a lower space of the dehumidifier.The dehumidifier may further include a first partition wall that divides the upper space of the first part and the lower space of the second part into each other.

The invention discloses an air conditioner with a grille, relates to the technical field of air conditioners, and aims to solve the problem that the air resistance at an air outlet grille of an outdoor unit in the prior art is relatively large. The air outlet grille of the air conditioner with the grille comprises a positioning part, a supporting part and a grille net. The positioning part is close to the ventilation opening and connected with the machine shell. The supporting part is located in the positioning part. The grating net comprises a plurality of connecting parts, a plurality of outer grating strips and a plurality of inner grating strips. The connecting parts are located between the supporting part and the positioning part and distributed around the supporting part at intervals, and the supporting part is connected with the positioning part through at least part of the connecting parts. The multiple outer grating strips are located between the positioning part and the supporting part and distributed at intervals in the radial direction of the positioning part, and the multiple outer grating strips are connected with at least part of the connecting part in a crossed mode. The multiple inner grid strips are located on the air inlet sides, close to the draught fan, of the outer grid strips in the axial direction of the air outlet grid, and the inner grid strips and the outer grid strips are arranged at intervals. The air conditioner with the grating is used for exchanging heat with air.

A dryer includes a cabinet, a drum disposed inside the cabinet to accommodate an object to be dried, a first opening disposed on a front side of the cabinet to enable the object to be dried to be placed into the drum, a heat exchanger disposed inside the cabinet to exchange heat with air, a second opening disposed on the front side of the cabinet, and a dehumidification unit. The dehumidification unit is configured to supply outside air to the heat exchanger and air supplied to the heat exchanger is circulated from the heat exchanger into the drum and discharged from the drum to the dehumidification unit. The air discharged from the drum to the dehumidification unit is then discharged outside of the cabinet by the dehumidification unit.

The invention relates to the technical field of intelligent control, in particular to an intelligent radiation constant-temperature and constant-temperature system and a remote monitoring method, and the system comprises a radiation tail end control module, a hydraulic balance adjusting module, a fresh air humidity regulation and control module, a cold and heat source matching module and a noise and vibration suppression module. According to the method, through fine collection and analysis of temperature data of differentiated areas and optimization of a heat exchange strategy, precise temperature control is achieved, the response capacity is improved, the fluid flowing state is dynamically adjusted, hydraulic balance is optimized, reasonable distribution of cold water and hot water is ensured, heat loss is reduced, energy efficiency is improved, and air quality monitoring and the humidity change trend are combined; the dehumidification and humidification capacity of the fresh air system is optimized, the humidity adjusting precision is improved, cold and heat source output is dynamically matched with environment heat loads, energy consumption optimization is achieved, hydraulic control and vibration suppression are optimized based on flow speed and vibration monitoring, the mute effect and comfort are improved, multi-dimensional data collaboration is achieved, and accurate adjustment, independent control and efficient energy consumption management are achieved.

The invention discloses an air conditioner with an axial flow fan. The air conditioner aims to solve the problem that the air supply efficiency of the axial flow fan is reduced due to blade top air leakage. The air conditioner with the axial flow fan comprises a shell, a refrigerant heat exchanger and the axial flow fan, the refrigerant heat exchanger and the axial flow fan are located in a mounting cavity of the shell, and the axial flow fan is used for driving air to flow through the refrigerant heat exchanger. The axial flow fan comprises a motor and axial flow fan blades, the axial flow fan blades comprise a hub and a plurality of axial flow blades, the hub is used for being connected with an output shaft of the motor, and the multiple axial flow blades are distributed in the circumferential direction of the hub at intervals and connected with the hub. On the outer edge, away from the hub, of the axial flow blade, the radial distance between the end, close to the windward side, of the outer edge and the hub is larger than that between the end, close to the leeward side, of the outer edge and the hub, and the axial flow blade is used for reducing the blade top clearance at the outer edge. The axial flow fan of the air conditioner provided by the invention has relatively high air supply efficiency.

The intelligent control method comprises the steps that a plurality of sensors and frequency converters are installed and used for monitoring the air temperature and humidity, the moisture content and the front-back pressure difference of a fresh air filter in real time; regulating and controlling the rotating speed of an air feeder, the rotating speed of a regeneration fan and the rotating speed of a rotating wheel through a frequency converter, obtaining sensor data under corresponding rotating speeds, and establishing an air supply quantity model, a fresh air quantity model and a rotating wheel dehumidification quantity model; the power of an air feeder, the front-back pressure difference of a fresh air filter and air parameter data are collected in real time, and the current dehumidification load is calculated according to a fan air supply amount model, a fresh air amount model and a preset formula; and selecting a preset control strategy to dynamically adjust the rotating speed of the rotating wheel, the rotating speed of the regeneration fan and the regeneration temperature according to the current dehumidification load and / or the rotating wheel dehumidification amount model so as to realize indoor humidity control. Start and stop can be automatically controlled and the dehumidification amount can be matched according to the actual wet load, excessive dehumidification or idle work is avoided, and the dehumidification efficiency is improved through multi-parameter cooperative control.

The invention provides a high-efficiency control method and system for a central air conditioner refrigeration machine room, and relates to the technical field of automatic control, and the method comprises the steps: 1, obtaining chilled water supply and return water temperature difference and flow data, and calculating the dynamic cold load demand of a building in combination with the personnel distribution thermal imaging data of each floor; and 2, on the basis of the dynamic cooling load requirement, a dynamic adjustment model for the number of running water chilling units is built, matching degree calculation is conducted on the actual cooling load value and the single refrigerating capacity of the water chilling units through a fuzzy PID control algorithm, and a final unit running combination scheme is generated. By calculating the cooling load requirement, dynamically adjusting the operation parameters of the water chilling unit, the chilled water pump and the cooling tower and balancing the equipment operation time, the system energy efficiency is effectively improved, the energy consumption and the operation and maintenance cost are reduced, and stable operation of the refrigerating system is guaranteed.

To provide an outdoor unit for an air conditioning system for reducing workload in arranging the outdoor unit even when the size or the weight of the outdoor unit for the air conditioning system is increased, while enabling good arrangement also in a space having a small installation area or in a complicated or constrained space.SOLUTION: The outdoor unit for the air conditioning system includes: a first unit having a first casing storing part for housing part of components including a heat exchanger and an air fan out of a structural component group including a compressor for compressing refrigerant, the heat exchanger for making heat exchange of the refrigerant with outside air, and the air fan for blowing outside air to the heat exchanger; and a second unit having a second casing for housing the remaining component including the compressor of the structural component group. The first casing and the second casing are constructed to be freely joined to and separated from each other. The outdoor unit is driven both in a joined state in which the first casing and the second casing are joined to each other and in a separated state in which the first casing and the second casing are separated from each other.SELECTED DRAWING: Figure 1

The variable-frequency heat recovery system comprises a compressor unit, three heat exchangers, a variable-frequency driving module and a liquid storage device, the compressor unit can be connected with any two heat exchangers to form a refrigerant circulation loop, and an inlet pipe of the liquid storage device is connected to the outlet side of a condenser of the refrigerant circulation loop; the variable frequency driving module is provided with a heat dissipation pipeline, and the heat dissipation pipeline is connected with an inlet pipe of the liquid storage device in series so that refrigerants conveyed to the liquid storage device can pass through the heat dissipation pipeline. According to the heat recovery system, the pipeline connecting structure in the system is designed, the refrigerant before throttling is adopted to cool the variable frequency driving module, the cooling effect of the variable frequency driving module in different modes is ensured, and the reliability of the heat recovery system is improved.

The invention relates to the technical field of mine intelligent ventilation and poison filtration, and discloses a mine intelligent ventilation and poison filtration dynamic regulation and control method and system.The mine intelligent ventilation and poison filtration dynamic regulation and control method comprises the steps that a neural physical hybrid model is constructed, physical constraint conditions are combined with a deep neural network, and mine airflow field distribution is predicted; decomposing the neural physical hybrid model into three hierarchical sub-models, and deploying the three hierarchical sub-models to corresponding computing nodes to realize a hierarchical computing architecture; establishing a multi-level cooperation mechanism based on federal learning, and realizing distributed model training and optimization; constructing a task allocation decision model, and dynamically determining an optimal execution hierarchy of an airflow field calculation task according to task characteristics, resource states and real-time requirements; dynamically adjusting the precision and performance balance of airflow field calculation; according to the method, the key technical problems in the mine ventilation and poison filtration system are solved through the neural physical hybrid model, the multi-level distributed computing architecture and the federal learning collaboration mechanism.

The invention discloses a fuel cell coupled flow battery energy supply system and an operation control method thereof. The energy supply system comprises a basic energy supply unit, an energy storage peak regulation unit, a renewable energy power generation unit, an electrolytic hydrogen production unit, a hydrogen storage unit, a first-stage waste heat recycling unit, a second-stage waste heat recycling unit and a heat storage unit. The basic energy supply unit is used for providing a basic power load of the target building group; the energy storage peak regulation unit is used for providing fluctuation power load of the target building group; the first-stage waste heat recycling unit receives first-stage waste heat generated by power generation of the fuel cell and is used for indoor heating or indoor refrigeration. And the second-stage waste heat recycling unit directly receives the first-stage waste heat or second-stage waste heat from the first-stage waste heat recycling unit and is used for preheating the electrolyzed water and / or the hydrogen storage unit. By arranging the first-stage waste heat recycling unit and the second-stage waste heat recycling unit, waste heat is utilized in a multi-stage mode according to requirements, and the waste heat utilization rate is high.

A system and method for controlling HVAC components of a building are disclosed, the method including: receiving user objective indicators, each indicating a corresponding user objective for the HVAC components; receiving a plurality of forecasts, each predicting a dynamic state of the building or a usage parameter of one of the HVAC components; receiving a plurality of current states of the building; maintaining a plurality of control modules; and upon detecting a change in at least one of the forecasts or at least one of the user objective indicators: performing a plurality of HVAC control simulations, each simulating the performance of a corresponding subset of the control modules; selecting a subset of the control modules based on results of the simulations and the one or more user objective indicators; and deploying the selected subset of control modules to control the HVAC components.

A ventilation system includes: a housing including a first inlet drawing outdoor into the housing, a second inlet drawing room air into the housing, a first outlet discharging outdoor air into an indoor space, and a second outlet discharging room air to an outdoor space; a total heat exchanger exchanging heat between the outdoor air and the room air; a first heat exchanger between the first inlet and the total heat exchanger; a second heat exchanger between the first inlet and the first heat exchanger; a compressor supplying a refrigerant to the first heat exchanger and the second heat exchanger; a four-way valve switching a flow direction of the refrigerant; a first expansion device at an inlet of the first heat exchanger expanding the refrigerant; a second expansion device between the first heat exchanger and the second heat exchanger and expanding the refrigerant; and at least one processor.

The invention relates to the technical field of energy storage rate optimization, and discloses an energy storage rate optimization method based on a cold and hot dual energy storage system, which comprises the following steps: constructing an energy storage rate optimization model, the energy storage rate optimization model comprises an objective function and an energy storage constraint, wherein the objective function takes the life cycle annual converted cost of the cold and hot dual-energy storage system as an optimization objective and takes the investment payback period of the cold and hot dual-energy storage system as a main constraint condition; respectively determining the design daily cumulative loads of the building needing energy supply and where the cold and hot energy storage system is located in summer and winter; setting a plurality of energy storage rates, and successively substituting the plurality of energy storage rates into the energy storage rate optimization model to solve the energy storage rate optimization model, so as to obtain solving results of the energy storage rate optimization model corresponding to different energy storage rates, and finally finding the energy storage rate corresponding to the optimal solving result of the energy storage rate optimization model. The method provides an objective basis for performance evaluation of the energy storage system.

A dehumidifier is provided that may include a base with an external air intake on one side thereof; a case disposed on an upper surface of the base and having a suction grille formed on a rear surface thereof; a top cover disposed on an upper surface of the case and having a discharge port; a discharge cover that opens and closes the discharge port; a drain pan including a first portion that extends laterally to divide an internal space of the case into an upper space and a lower space, and a second portion that extends from a lower surface of the first portion and disposed on the base; a water tank disposed on the upper surface of the base and that stores condensed water generated during a dehumidification process; a compressor disposed on the upper surface of the base spaced apart from the water tank; a fan module disposed on the first portion and having an outlet that communicates with the discharge port of the top cover; a condenser mounted on the first portion at an intake side of the fan module; an evaporator mounted on the first portion behind the condenser; and a control box coupled to the second portion and disposed directly above the external air intake. The fan module may include a fan housing disposed on the first portion, and a fan accommodated in the fan housing. A dripping hole may be formed in the fan housing.

A window-type air conditioner that is installable in a window frame is provided. The window-type air conditioner includes an outdoor module including a compressor for compressing a refrigerant, an outdoor heat exchanger in which heat exchange between outdoor air and the refrigerant occurs, and an outdoor housing accommodating the compressor and the outdoor heat exchanger, an indoor module including an indoor housing spaced apart from the outdoor housing, and an indoor heat exchanger that is arranged in the indoor housing and in which heat exchange between indoor air and the refrigerant occurs, a refrigerant pipe providing a flow path through which the refrigerant moves between the indoor module and the outdoor module, and a connection support module connecting the indoor module and the outdoor module, and being configured so that opposite end portions thereof support the indoor housing and the outdoor housing, wherein at least one soundproof member surrounding the refrigerant pipe is arranged in the connection support module.

A dehumidifier according to an embodiment may include a housing including a suction grill formed on a rear surface thereof, and a discharge port formed on an upper surface thereof; a dehumidification module provided inside of the housing; a water tank detachably provided on one side of the housing and that stores condensate generated during a dehumidification process; a discharge cover that opens and closes the discharge port; a tilting module connected to a bottom of the discharge cover inside of the housing to tilt the discharge cover; and a shielding cover that accommodates the tilting module. The dehumidification module may include at least a compressor, a condenser, an evaporator, and a fan module. The tilting module may include a tilting motor fixed to the shielding cover; a tilting gear connected to a shaft of the tilting motor; and a tilting neck curved at a predetermined curvature and having on one surface thereof a tilting rack that engages with the tilting gear.

Disclosed is an air cleaner. The air cleaner includes a case including a suction port disposed on a peripheral surface of the case, an air cleaning module including a blower fan disposed in the case and a filter configured to remove foreign matter from air introduced through the suction port, and a booster module disposed above the air cleaning module. The booster module including a head cover, a discharge port disposed inside the head cover, the discharge port including a ring-shaped inner grille having a central cavity, a display panel disposed in front of the inner grille, a front drive part connected to the display panel through the central cavity of the inner grille, and a first motor configured to move the display panel in a first direction.

Systems and methods for conditioning air streams are described herein. In some embodiments, a system can include an absorber and a desorber. The absorber configured to receive a supply air stream including moisture at a first moisture concentration and expose it to a liquid desiccant to remove moisture from the supply air stream and produce a conditioned air stream. The desorber configured to receive a regeneration stream at a first mass flow rate and at least a portion of the liquid desiccant from the absorber and having at least one salt at a first weight percent. The desorber includes an array of emitters configured to direct the portion of the liquid desiccant at a second mass flow rate to a desorber media to facilitate removing moisture from the portion of the liquid desiccant and produce a concentrated liquid desiccant with the at least one salt at a second weight percent.

A fan is arranged in a machine shell of the air conditioner outdoor unit, an air outlet grating is arranged at a ventilation hole of the machine shell, the air outlet grating comprises an annular frame, supporting ribs, outer circumferential ribs and inner circumferential ribs, the annular frame is arranged at the ventilation hole, and the multiple supporting ribs are arranged in the circumferential direction of the annular frame at intervals; the multiple outer circumferential ribs and the multiple inner circumferential ribs are distributed on the inner side of the annular frame at intervals, the multiple outer circumferential ribs are arranged on the air outlet side of the supporting ribs, the multiple inner circumferential ribs are arranged on the air inlet side of the supporting ribs, and the multiple inner circumferential ribs are arranged in the direction, away from the annular frame, of the supporting ribs. The air outlet sides of the multiple outer circumferential ribs are gradually changed from inclining towards the direction close to the annular frame to inclining towards the direction away from the annular frame, and the air inlet sides of the multiple inner circumferential ribs are gradually changed from inclining towards the direction away from the annular frame to inclining towards the direction close to the annular frame. According to the improved air outlet grille, the resistance to air blown out by a fan of the air conditioner outdoor unit can be reduced, and the air outlet distance is increased.

Liquid desiccant air conditioning systems and methods to operate them to achieved desired supply air dry bulb temperature and humidity conditions are described herein. In some embodiments, the liquid desiccant air conditioning systems can include a cooling unit, an absorber, a regenerator, and a control unit. The control unit can be operably coupled to the cooling unit, the absorber, and the regenerator such that the control unit can operate the liquid desiccant system to produce a supply air stream at a relatively independent target temperature and humidity. In some embodiments, the control unit can adjust one or more parameters and / or variables of the components of the liquid desiccant system to produce the supply air stream at a high energy efficiency.