1834 results about "Indoor air" patented technology

The invention provides a heterogeneous building air conditioner group quick response control method based on physical information deep learning, and the method comprises the steps: 1, obtaining a real-time discrete step scheduling instruction issued by a power grid, obtaining the thermodynamic parameters and equipment inertia time constants of all building units in a heterogeneous building group, obtaining the outdoor temperature, and carrying out the real-time discrete step scheduling instruction; the solar radiation intensity and the indoor air temperature of each building unit; step 2, extracting spatial-temporal characteristics of each building unit based on a multi-head self-attention mechanism, and generating initial distribution target power of the air conditioner; 3, inputting the initial allocation target power into a pre-trained cascaded physical information neural network (PINN), and predicting power and temperature evolution tracks in a future scheduling period; 4, calculating an out-of-limit risk index of each unit, judging whether to execute a quantile risk migration strategy or not, and generating a final distribution target power of the air conditioner; and 5, calculating the transient climbing deviation between the actual aggregation power and the target power of the power grid, and carrying out deviation compensation.

Systems and methods for executing an IAQ analysis of a building. One system includes a controller including memory and one or more processors configured to obtain IAQ data from one or more sensors within the building, wherein the IAQ data is associated with at least one of a plurality of environment species, obtain BAS data, identify one or more unknown parameters from the IAQ data and BAS data of two or more of the plurality of environment species, estimate the one or more unknown parameters based on inputting the IAQ data and the BAS data into an optimization model, and wherein the optimization model analyzes predicted concentrations of the plurality of environment species subject to the two or more of the plurality of environment species evolving according to a single-species concentration model, and provide the estimated one or more unknown parameters to one or more predictive models.

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 utility model discloses an ice persimmon closed-loop heat pump dryer which comprises a drying chamber and a heat exchange system, and the drying chamber is provided with an air valve and a fan; the heat exchange system comprises a compressor, a condenser set, an electronic expansion valve and an evaporator which are sequentially connected and form a refrigerant circulation loop. The drying chamber has a high-temperature mode and a low-temperature mode, when the drying chamber is in the high-temperature mode, the air valve is closed, and when the drying chamber is in the low-temperature mode, the air valve is opened. Due to the indoor condenser and the outdoor condenser, the drying chamber can be flexibly switched between a high-temperature mode and a low-temperature mode, and the alternate operation mode not only can quickly and uniformly remove moisture in the persimmons, but also effectively reduces the tannin content in the persimmons. An air valve is arranged in the drying chamber and can change the flow direction of air in the drying chamber according to the working mode. Air flows through the heat regenerator twice and is heated / cooled, and the humidity is rapidly reduced in the process.

An indoor air cleaning system with a networking mechanism is disclosed and applied in an indoor field (A) for detecting and cleaning air pollution completely. A real-time air quality monitoring in the indoor field (A) is achieved by arranging plural gas detectors (A), at least one gas molecule control hardware device (2), at least one air conditioning device (3) and a networked cloud computing service device (4) in the indoor field (A) and forming an intelligent linked system by the arranged gas detectors (1) in an outdoor filed and the indoor field (A). Meanwhile, the air pollution in the indoor field (A) is also detected and intelligently compared with an ambient air quality status, and an air guiding volume of an air guiding fan (21) is instantly controlled according to the air quality. Whereby an energy saving benefit of the effective controlling operation of the purification device is achieved.

To provide an indoor unit of an air conditioner that can early detect a leaked refrigerant.SOLUTION: An indoor unit of an air conditioner according to the present disclosure uses a refrigerant having combustibility, and comprises: a heat exchanger for exchanging heat with indoor air; a case which has a back surface arranged so as to face a wall surface in a room, and comprises a lower surface covering at least a lower part of the heat exchanger; a refrigerant pipe connected to the heat exchanger, and in which the refrigerant is circulated; and a gas sensor arranged in the case, and detecting the refrigerant. A gap is provided between the back surface of the case and the wall surface. The lower surface of the case is provided with one or a plurality of holes penetrating to the outside from the inside of the case. The one or the plurality of holes have a larger dimension than a dimension of the gap in a direction toward a front surface of the case from the back surface. The gas sensor is arranged around the one or the plurality of holes in the lower surface of the case.SELECTED DRAWING: Figure 3

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 application discloses an installation prompting method, which comprises the following steps: acquiring first module information and second module information; the first module information is information of a first functional module to be installed corresponding to a preset area of the air conditioner; the second module information is information of a second functional module currently installed in the preset area of the air conditioner; determining a recommended installation position according to the first module information and the second module information; the recommended installation position comprises positions of the first functional module and the second functional module respectively recommended for installation in the preset area; and outputting installation prompting information according to the recommended installation position. The application also discloses an air conditioner and a computer readable storage medium. The application aims to improve the accuracy of the installation position of the functional module on the air conditioner, so as to improve the effect of the air conditioner on improving indoor air quality.

The utility model relates to a high-efficiency air supply and exhaust device of an artificial nuclear medicine split charging hot chamber cabinet. The air supply and exhaust efficiency is improved. Comprising an air supply and exhaust top chamber and a shielding sub-packaging middle heat chamber shielding in-out lower heat chamber which is respectively provided with a sealing protection front door, a static pressure air supply box and an exhaust fan box which are arranged in the air supply and exhaust top chamber in parallel are respectively downwards communicated with an air supply port close to the sealing protection front door at the upper part in the shielding sub-packaging middle heat chamber shielding in-out lower heat chamber through a non-return air supply pipeline; and an exhaust outlet which is far away from the sealing protection front door and is provided with an activated carbon filter at the lower part in the shielding split charging middle hot chamber and the shielding in-out lower hot chamber is downwards communicated through a non-return exhaust pipeline. The device has the advantages that the quality of exhausted air is guaranteed, air in the hot chamber is prevented from overflowing when the door is opened, and nuclide pollution of the air in the hot chamber can be kept at a reasonable low level through adsorption of internal circulating airflow.

The invention provides an air conditioner and an air conditioner indoor unit. The air conditioner indoor unit comprises a machine shell, the machine shell comprises a front panel, an air inlet and an air outlet are formed in the two transverse sides of the front panel respectively, and a containing space communicating with the air inlet and the air outlet is formed in the machine shell; the air supply heat exchange assembly is arranged in the accommodating space, sucks indoor air through the air inlet for heat exchange, and exhausts the air subjected to heat exchange through the air outlet; wherein the front panel can be installed in an up-down exchange mode so as to achieve position exchange of the air inlet and the air outlet, and the air supply heat exchange assembly can be installed in an up-down exchange mode so as to adapt to the air inlet and the air outlet after position exchange. The air conditioner has the advantages that the positions of the air inlet and the air outlet can be exchanged so as to adapt to different furniture environments and user requirements.

The invention discloses an air conditioner condensation prevention control method, device and system and an air conditioner, and belongs to the field of air conditioner condensation prevention. The air conditioner anti-condensation control method comprises the steps that after target parameters are obtained, a target threshold value is obtained through calculation based on the target parameters; and when the temperature difference value of the evaporator surface temperature and the dew point temperature is smaller than the target threshold value, anti-condensation control is conducted. According to the scheme, the threshold value is dynamically determined based on the indoor air humidity and the operation frequency of the compressor, and the threshold value is substantially the allowable minimum temperature difference safety boundary between the evaporator surface temperature and the dew point temperature. When it is monitored that the actual temperature difference between the two is lower than the dynamic threshold value, the controller automatically starts an anti-condensation measure; condensation can be prevented in time, condensation and water dripping of the indoor unit are prevented, the comfort level of a user can be guaranteed as much as possible, and the user experience is improved.

The invention discloses a zeolite rotary dehumidifier, and relates to the technical field of waste gas treatment, the zeolite rotary dehumidifier comprises a working box, zeolite, a moisture absorption assembly, an airflow treatment mechanism, a driving assembly and a partitioning assembly, and supporting bases are fixedly mounted on the outer walls of the four corners of the bottom of the working box; the zeolite is arranged in a circular shape, and the zeolite is vertically arranged in the working box; the moisture absorption assembly is installed on the outer wall of one side of one end of the working box and used for sucking indoor air into the working box. The airflow treatment mechanism is mounted on the outer wall of the other side of the other end of the working box and is used for taking away moisture in the zeolite; the driving assembly is mounted on the inner wall of one end of the working box and is used for driving the zeolite to rotate; the partitioning assembly is arranged in the working box; the dehumidification device has the beneficial effects that frequent starting and stopping of equipment are avoided while continuous and stable dehumidification is achieved, the airflow direction is stable, energy consumption is lower, and the service life of the equipment is prolonged.

Systems and methods for executing an IAQ analysis of a building. One system includes a controller including memory and one or more processors configured to obtain IAQ data from one or more sensors within the building, wherein the IAQ data is associated with at least one of a plurality of environment species, obtain BAS data, identify one or more unknown parameters from the IAQ data and BAS data of two or more of the plurality of environment species, estimate the one or more unknown parameters based on inputting the IAQ data and the BAS data into an optimization model, and wherein the optimization model analyzes predicted concentrations of the plurality of environment species subject to the two or more of the plurality of environment species evolving according to a single-species concentration model, and provide the estimated one or more unknown parameters to one or more predictive models.

A method of controlling a hybrid adiabatic cooling system to cool an interior of a data center includes a step of cooling, by a hybrid adiabatic cooler, a first cooling liquid circulating from a return segment of an outer conduit loop to a feed segment of the outer conduit loop. The method includes a step of exchanging, by a direct liquid cooling unit, heat between a second cooling liquid and the first cooling liquid circulating in the outer conduit loop. The method includes a step of diverting a portion of the first cooling liquid circulating in the outer conduit loop to an inner conduit loop. The method includes a step of exchanging, by a room air handling unit, heat between indoor ambient air and the diverted portion of the first cooling liquid circulating in the inner conduit loop.

The invention discloses an air conditioner heating temperature compensation method, device and equipment and a medium. The method comprises the steps that if the air conditioner enters a heating mode, the indoor environment temperature, the indoor air outlet temperature, the indoor set temperature and the current freeze-frame air sweeping position of an air deflector are obtained, and the initial heating compensation temperature is determined through a preset temperature compensation model according to the current freeze-frame air sweeping position of the air deflector, the preset temperature compensation model is constructed based on the corresponding relation between the freeze-frame air sweeping position of the air deflector and the operation angle of the air deflector; judging whether the running time of the air conditioner reaches a preset running time threshold value or not; and if yes, the initial heating compensation temperature is corrected through a preset compensation temperature correction model according to the indoor environment temperature, the indoor air outlet temperature and the indoor set temperature, and the target heating compensation temperature is determined. Through a dual temperature compensation mechanism, thermal stratification is effectively restrained, comfort is improved, and energy consumption is reduced.

A system for cleaning, zeroing, and preventing air pollution in indoor space includes several gas detection devices, a central control monitoring device, and several gas exchange and filtration devices. The gas detection devices detect and output indoor and outdoor air pollution data. The central control monitoring device receives the outdoor and indoor air pollution data to perform an intelligent computation and comparison, locate an air pollution location in the indoor space, and transmit a control command intelligently. Each of the gas exchange and filtration devices is combined with a smart switch for the control command to control the gas exchange and filtration devices to be enabled, so that the air pollution is filtered and exchanged by the gas exchange and filtration devices, thereby allowing the indoor air pollution data detected by the gas detection devices in the indoor space to be a safety detection value.

The invention provides an aggregation power determination method of an air conditioner cluster and electronic equipment, and can be applied to the technical field of electronic systems. The method comprises the steps that thermodynamic parameters are determined based on building maintenance structure parameters of buildings where all air conditioners in a target air conditioner cluster are deployed, and clustering analysis is conducted on air conditioner users of all the air conditioners to obtain a plurality of air conditioner user clusters; utilizing a second-order equivalent thermal parameter model to obtain the indoor air temperature and the building solid temperature of any air conditioner user cluster at the current moment according to the indoor air temperature, the building solid temperature, the environment thermal disturbance parameters and the air conditioner refrigeration power at the initial moment, and obtaining the indoor air temperature and the building solid temperature of any air conditioner user cluster at the current moment according to the indoor air temperature at the historical moment. And state transition is conducted on state sub-vectors corresponding to all the air conditioners in the global state vectors at the historical moment, the global state vector at the current moment is obtained, the number of the air conditioners in the running state is determined, and the aggregation power of the target air conditioner cluster at the current moment is determined according to the preset air conditioner running power.

The invention discloses a method for acquiring optimal measurement conditions of building room temperature monitoring. According to the method, a discrete coordinate radiation model is set, a sun tracking function is started at the same time, and wall mixed thermal boundary conditions are considered. Factors influencing the accuracy and stability of room temperature monitoring, such as temperature measurement distance, time, sunshade condition, temperature measurement position, weather condition, window opening and closing, outdoor temperature and room characteristic factors, are explored, so that the influence rule of different factors on the room temperature monitoring of the building is provided. According to the method, accurate modeling is performed according to thermodynamic behaviors in a complex building environment, and complex factors, including thermal conductivity of building materials, indoor air flow and heat source distribution, suffered by the room temperature of a building are considered; under different environmental conditions, dynamic characteristics of a building room temperature change rule are considered, a monitoring scheme is dynamically adjusted based on real-time simulation data to obtain an optimal measurement condition, and the complexity of the system is reduced in a real-time feedback process.

The utility model relates to a kind of aromatherapy machine, and the aromatherapy machine includes shell, atomization module and sound output module, shell has liquid storage cavity and mist outlet, liquid storage cavity is communicated with mist outlet, atomization module is set in shell and is used to atomize liquid in liquid storage cavity, sound output module is set in shell, and including sound output piece and white noise adjusting piece, white noise adjusting piece is slidably matched in shell and is used to adjust the volume of sound output piece.The above-mentioned aromatherapy machine can realize basic atomization function by atomization module, for improving indoor air quality, creating comfortable atmosphere, and the volume of white noise can be conveniently adjusted by the white noise adjusting piece of sound output module, to create comfortable environment for sleep and rest.

The invention discloses an index data display method and display system of a ventilation system and central control equipment, and belongs to the technical field of building ventilation. The index data display method comprises the steps that a ventilation function assembly transmits monitoring data of a ventilation system to central control equipment through a communication bus; the central control equipment converts the received monitoring data into preset format data, and reports the preset format data to a cloud server through an Internet of Things protocol; the intelligent terminal obtains preset format data transmitted by the cloud server by establishing long connection with the cloud server; and the intelligent terminal analyzes and renders the preset format data according to a preset analysis protocol so as to generate a visual interface and display the visual interface. Thus, scattered and abstract monitoring data of the ventilation system can be presented to a user in a highly integrated and visual mode, the indoor air quality and the equipment state are visually monitored, the problem that the effect of a traditional ventilation system is invisible is solved, and user experience and management efficiency are improved.

1. The name of the design product: millimeter radar wave of wall-mounted air conditioner. 2. The use of the design product: used for the whole indoor air conditioning and processing; used for detecting the position and movement state of human body in the room to realize intelligent sensing and tracking. 3. The design points of the design product: the shape of the local part is protected. 4. The picture or photo that best shows the design points: front view. 5. Other circumstances that need to be explained: this application is a local appearance design patent application, and the area outside the green coverage in the appearance design picture or photo is the protection range of the local appearance design.

The invention relates to the technical field of air purification materials, and particularly discloses an amino acid grafted modified covalent organic framework composite material as well as a preparation method and application thereof. The composite material comprises a covalent organic framework matrix and amino acid grafted through covalent bonds, the covalent organic framework matrix has a porous crystal structure, and the amino acid is connected with the matrix through an amido bond or a carbon-nitrogen bond. The preparation method comprises the four main steps of covalent organic framework matrix synthesis, matrix activation, amino acid grafting and product purification. The composite material provided by the invention can be used for indoor air purification, formaldehyde removal of automotive trim and formaldehyde adsorption process in industrial waste gas treatment. The material has a high specific surface area and a rich porous structure, combines specific interaction of amino acid functional groups and formaldehyde molecules, and shows excellent formaldehyde adsorption capacity and selective adsorption performance. The preparation method disclosed by the invention is mild in process condition, and controllable adjustment of material performance is realized by accurately controlling grafting parameters.

1. The name of the design product: fragrance diffuser (AD21). 2. The use of the design product: remove odor, improve indoor air. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

An indoor air quality system is configured to improve indoor air quality conditions within a local environment of a building. The indoor air quality system operates according to a method that includes obtaining indoor air quality levels and operating one or more appliances to adjust the indoor air quality levels.

The utility model discloses an aluminium alloy window frame structure can carry out new trend filter, including the nested installation of outer frame, inner frame, glass in proper order, the upper and lower both sides of outer frame are provided with air outlet and air inlet channel respectively, and the air inlet channel is connected with the gusset plate of air outlet, and the gusset plate is provided with the connecting port, and the air inlet channel is provided with the air inlet in the end away from the connecting port, the connecting port is located in the room, and the air inlet is located in the room outside, and the aluminium alloy window frame is designed with the air outlet and air inlet, can be connected with the existing new trend system, is used as the air exchange channel of new trend system, need not additionally punch on the wall, also can pass through the extension pipeline independent connection suction fan, filters and purifies the air that enters the room through the air inlet, improves indoor air quality.

This invention provides a volute, a fan assembly, an indoor air conditioning unit, and an air conditioner. The volute includes a body (1), the air outlet surface of which has alternating protrusions (2) and recesses (3) along the axial direction of the volute. Adjacent protrusions (2) are spaced apart by a first distance S. The body (1) has a throat (4) and an air outlet end (5). Both the protrusions (2) and the recesses (3) extend from the throat (4) to the air outlet end (5). The starting end (6) and the ending end (7) of the protrusions (2) and the recesses (3) are located between the throat (4) and the air outlet end (5), with the starting end (6) being closer to the throat (4) than the ending end (7). According to the volute of this invention, the axial disturbance of airflow during the operation of the cross-flow fan can be improved, the stability of the internal airflow can be enhanced, and the operating efficiency of the cross-flow fan can be increased.

The present application relates to a kind of air conditioner with fresh air supply function and its fresh air supply operation control method, the air conditioner with fresh air supply function has refrigeration operation mode, heating operation mode, dehumidification operation mode, refrigeration+fresh air supply operation mode, heating+fresh air supply operation mode and separate fresh air supply operation mode and multiple operation modes.Etc.The fresh air supply operation control method can avoid air conditioner operation process and send air too cold (refrigeration mode) or send air too hot (heating mode), avoid air conditioner in independent fresh air supply operation mode or refrigeration+fresh air supply operation mode when because the humidity of outdoor air is too large and produces condensate water near air outlet, avoid air conditioner in separate fresh air supply operation mode when because the amount of fresh air is too small and cause indoor air cannot be quickly, effectively circulating, so as to quickly improve the case of indoor air quality, further improve the user's use satisfaction, health degree and comfort degree.

The application discloses a pet care air purifier parameter intelligent control method and system, aiming at solving the problem that the existing purifier is difficult to identify the long-time stillness of pets in the monitoring blind area, resulting in the accumulation of local pollution. The method continuously receives the data stream of the visual sensor and the passive infrared sensor, and when no clear pet signal is detected within the preset time, the blind area intention inference instruction is activated, the multi-dimensional environmental abnormal signal of odor, local temperature and particulate matter is collected, and after time consistency, space correlation and comprehensive threshold correlation analysis, the adaptive purification strategy of fan speed fine tuning, filter optimization and directional airflow guidance is executed after the pet in the blind area is confirmed to be still. According to the recovery of pet activity or the weakening of environmental abnormalities, the method can be switched to the normal mode or the low-power mode. The application can accurately identify the still state of the pet in the blind area, remove the pollutants in a targeted manner, balance the purification efficiency, energy saving and low noise, and improve the fine management level of indoor air quality.

The application discloses an air conditioner indoor unit and an air conditioner with the same. The air conditioner indoor unit comprises an indoor unit body, a fresh air pipe, an air guide pipe, a fresh air heater and an auxiliary heater. The indoor unit body is provided with an air inlet. An exhaust end of the fresh air pipe is communicated with the air inlet. The fresh air pipe is suitable for guiding outdoor fresh air to the air inlet. An air inlet end of the air guide pipe is communicated with the indoor unit body. An exhaust end of the air guide pipe is communicated with the air inlet. The air guide pipe is suitable for guiding indoor air to the air inlet. The fresh air heater is arranged at the air inlet to heat the airflow flowing into the air inlet. The auxiliary heater selectively heats the indoor air flowing to the air inlet in the air guide pipe. The indoor air is heated and guided to the air inlet through the air guide pipe and the auxiliary heater. The indoor air is mixed with the fresh air flowing to the air inlet from the fresh air pipe. The temperature of the fresh air is preliminarily increased. The airflow is heated twice through the fresh air heater. The heating effect on the fresh air is good. The temperature of the fresh air is greatly increased. The user's comfort is good.

The present invention provides a temperature regulation system and a method for controlling a temperature regulation system in which a specific mode can be started up early by means of configuration / control of a refrigerant circuit. The temperature regulation system comprises: a refrigerant circuit (10) in which a refrigerant (RF) circulates; a heat medium circuit (20) in which a heat medium (HM) that exchanges heat with the refrigerant (RF) circulates; and a control part (40). The heat medium circuit (20) has an indoor air conditioning unit (23) that uses the heat medium (HM) to heat an object of temperature regulation. In a heater mode for causing the heat medium (HM) flowing out from a condenser (12) to mix with the heat medium (HM) flowing out from an evaporator (14), causing the mixed heat medium (HM) to flow into the condenser (12) and the evaporator (14), and causing the heat medium (HM) flowing out from the condenser (12) to flow into the indoor air conditioning unit (23), the control part (40) determines whether the refrigerant (RF) that is to flow out from the condenser (12) is to be gas–liquid two-phase or liquid phase, and controls an expansion valve (13) accordingly.