2454 results about "Indoor air" patented technology

The invention relates to the technical field of indoor air quality monitoring, and discloses an indoor air quality joint detection system fused with a space-time diagram neural network. The system comprises a multi-source sensor data acquisition module for acquiring multi-source air quality data flow by configuring various sensors; the space-time diagram construction module constructs space-time diagram data according to the spatial position and the time sequence of the sensor; the fusion processing module adopts a space-time diagram neural network to perform feature fusion on the space-time diagram data to generate an air quality fusion feature set; the prediction strategy module determines a prediction strategy based on the remaining duration of the current time and the end time of the prediction period, and performs air quality prediction in combination with the fusion feature set; the dynamic adjustment module analyzes the real-time change of the data, constructs the pollution change degree and tendency degree, and adjusts the detection control parameters according to the pollution change degree and tendency degree; and the joint detection output module synthesizes the prediction result and the adjustment parameters to generate an indoor air quality joint detection report. The system provides powerful support for indoor air quality evaluation.

The invention discloses an indoor air quality inspection robot, which belongs to the field of indoor air quality inspection, and comprises the following steps: collecting air quality data in real time by adopting a sensor network according to preliminary monitoring priority distribution, extracting abnormal fluctuation characteristics from air quality change of each region, and determining a target region range needing key inspection; a path planning algorithm is called to generate a shortest feasible path from a current position to a target area through a local path adjustment scheme in combination with a global path optimization target, and a real-time updating result of a dynamic inspection path is obtained; and transmitting task allocation data of each inspection robot through a scheduling instruction of multi-device collaborative operation, and extracting target area and path planning information of each device from the task allocation data to obtain a coordination optimization scheme of overall inspection coverage.

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.

The utility model discloses an air purification module applied to an air conditioner, the air conditioner is provided with a return air inlet and an air outlet, the air purification module comprises a mounting frame and a filtering device, and the filtering device is arranged on the mounting frame, corresponds to the return air inlet and is used for filtering air flowing into the return air inlet; the air purification module further comprises an air guide plate, and the air guide plate is arranged on the installation frame, corresponds to the air outlet and is used for guiding airflow flowing out of the air outlet. According to the utility model, the placing pressure is not increased, and the device is combined with the air conditioner to be used, so that indoor air is purified, fins of the air conditioner are protected to be clean, cleaning of the air conditioner is reduced, and microorganisms such as bacteria and molds in the air are reduced; meanwhile, air flowing through the air conditioner can be filtered at a time, the air outlet direction of the air conditioner is gently changed, and the problems that an existing air purifier is large in noise, large in occupied indoor space and low in air circulation efficiency are solved.

The invention provides an existing building BEM modeling method, system and device based on an infrared thermal image of an unmanned aerial vehicle and a medium, and belongs to the technical field of building modeling. Generating a three-dimensional geometric model of the building main body; screening out an external window candidate area by analyzing RGB value characteristics of the visible light point cloud, generating a window opening three-dimensional boundary, and determining an internal surface temperature and an indoor air temperature through internal surface infrared temperature measurement and area weighted integration; and based on the temperature data and the building envelope construction parameters, inverting heat transfer coefficients of the outer wall, the roof and the outer window, and finally constructing a building energy consumption model in combination with the weighted average K value. According to the method, precise operation from building geometric model construction to thermal parameter acquisition and then building energy consumption model construction is realized. The efficiency and precision of BEM modeling of the existing building are improved, and a scientific basis is provided for building energy-saving transformation, energy consumption evaluation and the like.

1. Name of the product in this design: Aromatherapy Humidifier Bluetooth Speaker (Jellyfish-Y20). 2. Purpose of this design: for playing audio, aromatherapy, and increasing indoor air humidity. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention belongs to the technical field of intelligent control, and particularly relates to an air purification system based on intelligent perception and a self-adaptive regulation and control method thereof. Comprising a multi-dimensional environment perception unit, an environment data fusion and modeling unit, a self-adaptive regulation and optimization decision unit, a modular air purification execution unit and a man-machine interaction and user preference setting unit. According to the method, multi-element parameters are collected, fusion modeling is carried out, a pollution source is identified and predicted, a multi-target optimization algorithm is applied to generate an optimal purification strategy, and then a purification execution unit is controlled. The indoor air quality can be finely and dynamically managed, the purification efficiency is remarkably improved, energy consumption, operation noise and the service life of a filter material are intelligently balanced, and a personalized healthy breathing environment is provided.

The present application relates to air conditioning technology field, specifically relates to a kind of partition regulation formula refrigeration constant temperature and humidity air conditioning unit with air supply system, comprising: unit machine case;Constant temperature air supply structure for temperature regulation for air supply system air supply is equipped in the inside of unit machine case, and the air supply end of constant temperature air supply structure is connected with air duct for wind force transmission;The air duct is installed with constant humidity partition regulation structure for indoor partition regulation air supply in air outlet end.This application, in hot air heating mode, system can effectively deliver hot air to each partition by closing No. 1 and No. 3 electromagnetic valve, realize subarea heating, improve energy utilization efficiency, in cold air refrigeration mode, system is adjusted closed flap and starts compressor, so that cold air is delivered to each partition after refrigeration cycle, also realize subarea refrigeration, exhaust air and dust mode can extract indoor peculiar smell and dust, improve indoor air quality.

The utility model discloses a fresh air device with a filtering and humidifying structure, which comprises a shell, the shell is of a hollow square structure, a first partition plate is arranged in the shell, the first partition plate is of a T-shaped structure, the T-shaped first partition plate is fixed on the inner wall of one side of the shell, a second partition plate is fixed on the inner wall of the other side of the shell, and the second partition plate is fixed on the inner wall of the other side of the shell. The first partition plate is of a Z-shaped structure, the second partition plate is of a Z-shaped structure, the interior of the shell is divided into different cavities by the first partition plate and the second partition plate, an indoor exhaust pipe is arranged on the surface of the shell in a penetrating mode, and an indoor air suction pipe is arranged on the surface of the same side of the shell in a penetrating mode. The filter screen at the indoor exhaust pipe is arranged in a sliding mode, and the inner wall of the indoor exhaust pipe is provided with the sliding block and the spring which are in contact with the filter screen, so that the filter screen at the indoor exhaust pipe can be ejected outwards, and the filter screen is convenient to clean and replace.

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.

The invention discloses a magnesium oxide supported catalyst, a preparation method and application in VOCs (volatile organic compounds) purification, and belongs to the field of volatile organic compound catalytic purification. Magnesium oxide is used as a carrier of the catalyst, and two modified materials are supported, one is a double-active-center material anchoring nickel single atoms and ruthenium clusters in a porous carbon-nitrogen framework, and the other is a double-active-center material anchoring nickel single atoms and ruthenium clusters in a porous carbon-nitrogen framework; and the other one is a defective carbonitride MXene intercalated hydroxyapatite nanosheet, and lanthanum oxide can be added as a cocatalyst. The preparation method comprises the following steps: sequentially loading the two modified materials on the magnesium oxide carrier, and carrying out ultrasonic dispersion, stirring, centrifuging, drying, calcining and the like, so that the active component and the carrier form strong interaction. According to the catalyst, through the synergistic effect of double active centers and the structural advantages of the modified material, the catalytic oxidation efficiency and stability of VOCs are remarkably improved, and the catalyst is suitable for purification treatment of industrial waste gas and volatile organic compounds in indoor air.

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 utility model relates to the technical field of air quality monitoring, and discloses an indoor air quality multi-channel rapid monitor, comprising: a monitoring module comprising an instrument part and a detection part, the detection part comprising a mounting box arranged at the bottom of the instrument part, a plurality of air chambers uniformly arranged at the bottom of the mounting box along the left and right, the bottom of each air chamber being open, different types of sensors are respectively arranged in the sensors; the adjusting diffusion module comprises a ventilation box, the bottom of the adjusting diffusion module is provided with a plurality of air inlet channels, the top of the adjusting diffusion module is provided with an air replacement module, all the air chambers are arranged in the ventilation box, and air in the ventilation box is subjected to standing and free diffusion in the ventilation box after being replaced by the air replacement module and is detected through a sensor; the blowback ventilation module is arranged on one side of the ventilation box and used for carrying out blowback and replacement on gas in the ventilation box, and compared with the prior art, the detection device has the advantages that detection is carried out through gas replacement and gas diffusion, and the nitrogen blowback cleaning function is achieved.

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 invention relates to an air purifier with a linkage disassembly and assembly filter screen structure, which effectively solves the problem of exposure of an air inlet through a linkage structure of an outer air inlet, a filter cover shell, an inner air inlet and an inner cover assembly. When the filter screen needs to be taken out, the inner cover assembly needs to be slid firstly to close the inner air inlet, at the moment, the unlocking assembly on the inner cover assembly unlocks the locking device of the filter cover shell, and the filter cover shell is allowed to be turned over to replace the filter screen. In the process, the inner air inlet is closed in advance, an air duct in the equipment is completely isolated from the outside, and outside unpurified air cannot enter the equipment; meanwhile, the filter screen is detachably connected with the filter cover shell, and the filter screen and the cover shell are always kept relatively fixed during replacement, so that the contact area between the filter screen and air is reduced, the risk that impurities of an old filter screen fall off and diffuse is reduced, and internal pollution of equipment and secondary pollution of indoor air are fundamentally avoided.

Readings may be received from a chemical sensor disposed proximate to a battery within a housing of a smart-home device. The readings from the chemical sensor may be processed to determine whether a chemical associated with an internal environment of the battery is present inside the smart-home device. A determination may then be made as to whether the battery is damaged based on whether the chemical is present inside the smart-home device. Alternatively, the device may determine that the chemical originates from outside of the housing of the device. A sequence of mitigation actions may then be executed to remedy the faulty battery or improve the indoor air quality.

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.

To provide a collapsible and portable summer shelter that can be used as a measure to prevent heat stroke in workers in workplaces such as factories. [Solution] This is a movable summer retreat with casters 4, where the frame is made of metal or resin pipes or the frame of a prefabricated tent, the walls are made of a heat-shielding sheet with high insulation and reflectivity attached to a flame-retardant curtain 1, and the ceiling is made of a multi-layer heat-shielding sheet 2 with an air layer placed on top of the frame. If necessary, a transparent heat-shielding film can be attached to a noren-style transparent vinyl curtain to allow the outside to be seen. Also, a movable panel structure with casters and an integrated indoor and outdoor unit can be used as an indoor air conditioning system and can be made part of the room. An outlet can be installed on this panel, allowing for computer work, etc. Furthermore, the size of the summer retreat itself can be adjusted by making the pipes of the frame extendable.

The invention relates to a novel double-temperature water path air conditioning system and a control method thereof. A main loop of a cold water (heat pump) unit in the system comprises a compressor, a four-way reversing valve, a first / second / third heat exchanger, a first throttling / second throttling element and a gas-liquid separator, and a bypass branch (with a bypass valve) is additionally arranged; and two independent secondary refrigerant loops are arranged to be connected with the indoor environment in a heat exchange manner. Cold generated by evaporation heat absorption of a refrigerant and heat generated by condensation heat release are synchronously utilized and conveyed into a room through a secondary refrigerant, and the flow of the secondary refrigerant at the tail end is adjusted, so that the heat-humidity ratio in the air treatment process is adjusted, and decoupling treatment and dynamic matching of a single unit to heat and humidity loads are achieved. And under the high-humidity load working condition, one path of secondary refrigerant utilizes cold energy to cool and dehumidify indoor air, and the other path of secondary refrigerant utilizes supercooling heat and / or condensation heat to carry out reheating temperature control on the air. Under the working condition of high sensible heat load, the two paths of secondary refrigerants cooperate for refrigerating / heating, and the unified output capacity meets the peak load requirement.

The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device, an air conditioner and a storage medium. The communication state of a fresh air valve is adjusted according to at least one of a current operation mode, target set parameters and current outdoor air parameters; according to the method, the fresh air valve and the operation mode of the air conditioner are adaptively adjusted, after the fresh air valve is opened, the operation mode of the air conditioner is switched in combination with at least one of the current operation mode, the target set parameters, the current outdoor air parameters and the current indoor air parameters, and the use requirement of a user is met. The use experience of the user using the air conditioner is improved, and the technical problem that in the prior art, when the air conditioner is automatically controlled, only one-dimensional data control is considered, and the use experience of the user is not high is solved.

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 discloses a cooling unit and a control method of the cooling unit, the cooling unit comprises an indirect heat exchange system and a wet film, the indirect heat exchange system comprises an indoor coil pipe, an outdoor coil pipe and a circulating water pump, the indoor coil pipe and the outdoor coil pipe are connected end to end to form a heat exchange loop, and the circulating water pump is arranged on the heat exchange loop; the heat exchanger is used for driving a heat exchange medium to circularly flow between the indoor coil and the outdoor coil; the wet film is arranged adjacent to the indoor coil pipe. According to the cooling unit, heat exchange between indoor air and the indoor coil pipe can be achieved through heat exchange between outdoor air and the outdoor coil pipe, and cooling of the indoor air is achieved. And the flow resistance to indoor air and outdoor air can be effectively reduced, so that the energy consumption of the cooling unit can be reduced, and the effects of saving energy and reducing consumption are achieved. And the wet film is arranged adjacent to the indoor coil pipe, so that the humidity of indoor air can be increased, the indoor environment can be humidified, meanwhile, the indoor air can be further cooled, and the temperature and humidity control function of the cooling unit can be achieved.

The invention provides indoor air quality monitoring equipment and a sensor cooperative control system, relates to the technical field of indoor environment monitoring, and is used for solving the problems of response delay, temperature drift accumulation and alarm accessibility reduction in long-term operation of an air monitoring device. The device realizes feed-forward identification and closed-loop suppression of sample injection degradation, filter material pollution and dislocation, heat drift in the machine and acoustic attenuation: a sampling confirmation window is adaptively adjusted to reduce misjudgment, channel-level temperature drift compensation and power consumption derating are cooperatively executed according to priorities to realize steady-state temperature control, and a prompt link keeps subjective loudness consistent based on equivalent gain; meanwhile, the baseline is refreshed after maintenance to maintain long-term consistency; therefore, under the condition that the mechanical appearance is not changed, the monitoring accuracy, stability and alarm accessibility are remarkably improved, and the device-level design value of structural perception driving is highlighted.

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.