57 results about "Indoor air temperature" 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.

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.

To provide an air conditioning system enabling an air humidity in a living room to be closer to a target humidity while making an air temperature in a living room close to a target temperature.SOLUTION: A control part in an air conditioning system includes: a temperature conditioning and air quantity control mode for controlling an air quantity of a carrying fan and an aperture of a damper on the basis of a temperature conditioning operation where an air conditioning device conditions an air temperature in a living room so as to have a target temperature; and a humidity conditioning and air quantity control mode for controlling the air quantity of the carrying fan and the aperture of the damper on the basis of a humidity conditioning operation where the air conditioning device conditions an air humidity in the living room so as to have a target humidity. The control part performs control for switching the temperature conditioning and air quantity control mode and the humidity conditioning and air quantity control mode on the basis of a first control capability value set on the basis of temperature difference between the air temperature in the living room and the target temperature and a second control capability value set on the basis of humidity difference between the air humidity in the living room and the target humidity.SELECTED DRAWING: Figure 3

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 relates to the technical field of building physics and artificial intelligence crossing, and discloses a traditional village dwelling thermal performance prediction system based on deep learning, comprising a data acquisition module for acquiring solar radiation, wind speed and direction, internal and external pressure difference and indoor and outdoor temperature; the radiation decoupling network module is used for predicting the net radiation heat flux of the outer surface according to the solar radiation, the sun position and the component posture; the microclimate permeation network module is used for predicting a convective heat transfer regulation factor according to the pressure difference, the wind and the opening state; the implicit state network module adopts a circulation structure and introduces an implicit thermal state vector to represent the thermal inertia of the enclosure structure; and an indoor thermal environment integration module that integrates the convective heat flux based on the heat balance and outputs an indoor air temperature predicted value. According to the system, through decoupling modeling of radiation, permeation and heat transfer of the enclosure structure, prediction interpretability of the indoor thermal environment of a traditional dwelling is improved, and the system is suitable for building scenes which are built with non-standard materials such as rammed earth and depend on natural ventilation.

The invention discloses a constant-temperature and constant-humidity ground temperature adjusting type air conditioner indoor system which is used for being matched with a heat pump main machine serving as an outdoor unit part. The air conditioner module and the floor heating module are arranged in parallel; the air conditioner module comprises an indoor unit. Pipelines of a refrigerant inlet and a refrigerant outlet of the indoor unit are respectively provided with a first expansion valve and a first flow regulating valve; the floor heating module comprises a floor heating heat exchanger; pipelines of a refrigerant inlet and a refrigerant outlet of the floor heating heat exchanger are respectively provided with a second expansion valve and a second flow regulating valve; a refrigerant inlet pipeline of the indoor unit and a refrigerant inlet pipeline of the floor heating heat exchanger are connected to the first main pipeline. A refrigerant outlet pipeline of the indoor unit and a refrigerant outlet pipeline of the floor heating heat exchanger are connected to the second main pipeline. The indoor air temperature and the indoor air relative humidity can be rapidly and accurately controlled, and dew condensation cannot occur indoors when floor heating is used for refrigeration.

The application provides a building space thermal environment energy-saving regulation and control method and device, equipment and medium, and belongs to the field of energy-saving regulation and control. The method comprises the following steps: determining an indoor comfortable temperature center value under a current outdoor temperature condition based on an outdoor average temperature; determining a comprehensive temperature of a human body based on a current indoor air temperature and an average radiation temperature; determining an indoor air temperature standardization deviation based on the indoor air temperature and the indoor comfortable temperature center value, and determining a comprehensive temperature standardization deviation of the human body based on the comprehensive temperature of the human body and the indoor comfortable temperature center value; determining a comfort index based on a dynamic expansion factor, the indoor air temperature standardization deviation and the comprehensive temperature standardization deviation of the human body; and regulating and controlling a heating ventilation air conditioner based on the comfort index and actual energy consumption of the heating ventilation air conditioner in a current regulation period. The building space thermal environment energy-saving regulation and control method and device, equipment and medium provided by the application can meet the actual needs of building energy saving.

The invention discloses a clean air and sewage intelligent networking mechanism system for controlling indoor air temperature and humidity. The clean air and sewage intelligent networking mechanism system comprises a plurality of gas detectors, at least one cooling exchanger, at least one heat exchanger, at least one dehumidifier, at least one humidifier and at least one networking cloud computing service device, the refrigeration exchanger, the heating exchanger, the dehumidifier and the humidifier are internally provided with gas detectors, an air guide fan, a filtering assembly and a driving controller, and the networking cloud computing service device receives air pollution information, carbon dioxide pressure detection information and gas temperature and humidity information detected by a plurality of gas detectors; and intelligent operation and comparison are carried out, a control instruction is sent out to control the operation of the air guide fans of the refrigeration exchanger, the heating exchanger, the dehumidifier and the humidifier to adjust the temperature and the humidity of an indoor field domain, and air pollution gas is drained to carry out circulating air pollution purification in the indoor field domain.

The present application relates to the technical field of refrigeration system, and particularly relates to a control method of a wind-liquid fusion cold and warm phase change cold plate temperature control system, which comprises an indoor heat exchanger, an outdoor heat exchanger, an intermediate heat exchanger, a four-way valve, a compressor, a driving pump, a liquid collecting main pipe, a gas collecting main pipe and a plurality of cooling branches. Each cooling branch comprises a liquid collecting branch pipe, a gas collecting branch pipe, a flow regulating valve and a plurality of cold plate assemblies. The control method further comprises a mode selection step, a cold plate temperature detection step, a gas collecting main pipe superheat detection step, a gas collecting branch pipe superheat detection step and an adjusting step. The present application enables the refrigerant in the cold plate assembly to be in a gas-liquid two-phase state as much as possible, while ensuring the uniformity of the flow rate of each flow path. In winter, the indoor air temperature can also be heated to keep the battery temperature within a reasonable range.

The present application belongs to the technical field of material hot air drying, and particularly relates to a multi-mode heat pump drying system with air energy and exhaust air stream waste heat complementation, which mainly comprises a drying chamber, a condenser, a compressor, an exhaust air stream waste heat recovery device, a gas collector, an air source evaporator, a water source evaporator, an exhaust air fan and the like, the air source evaporator and the water source evaporator respectively take outdoor air and water in the exhaust air stream waste heat recovery device as low-temperature heat sources, a temperature difference controller controls opening and closing of an electromagnetic valve on the air source evaporator side and an electromagnetic valve on the water source evaporator side according to a temperature difference between water temperature in the exhaust air stream waste heat recovery device and air temperature at an inlet of the air source evaporator, and the purpose of the present application is to adjust air temperature, relative humidity, oxygen content and CO2 concentration in the drying chamber according to needs, effectively utilize exhaust air stream waste heat, improve drying quality and drying loss of materials, and improve thermal performance and energy utilization efficiency of heat pump hot air drying.

The invention discloses a sunlight greenhouse film rolling device PLC closed-loop ventilation precise control system and method, and the system comprises an environment sensing module which is used for collecting the indoor air temperature and relative humidity in real time; the encoder module is used for detecting the actual opening degree and the movement direction of the film rolling device in real time; and the PLC control module is used for constructing a closed-loop control chain of the microclimate index, the target opening degree and the number of turns of the motor according to the indoor air temperature, the relative humidity and the actual opening degree and the movement direction of the film rolling device, accurate control over the position of the film rolling device is achieved, and then the greenhouse microclimate is accurately regulated and controlled. By adopting the technical scheme of the invention, the position feedback of the execution end can be introduced, and the film rolling ventilation can be accurately regulated and controlled in cooperation with the greenhouse microclimate sensor and the PLC.

The broken bridge aluminum system window sash with the aerogel felt cold-resistant bin comprises a buckle line sectional material, a first sash opening sectional material and a second sash opening sectional material, the buckle line sectional material is installed above the first sash opening sectional material and connected with the first sash opening sectional material through an elastic buckle, and the second sash opening sectional material, the buckle line sectional material and the first sash opening sectional material are arranged at intervals. A glass installation space is reserved between the second sash profile and the buckle line profile, a plurality of clamping grooves are formed in the end face, opposite to the first sash profile, of the second sash profile, and a cold-proof layer is installed on the second sash profile and the first sash profile through the clamping grooves; an aerogel felt cold-resistant bin is further arranged at the lower end of the first opening sash profile, the structures of the buckle line profile, the first opening sash profile and the second opening sash profile in the glass installation environment are designed and improved, a cold-proof layer made of PA66GF25 nylon heat insulation strips is arranged, and the aerogel felt cold-resistant bin is added, so that the cold-resistant effect is achieved, and the glass installation environment is improved. When the window sash and the window frame are combined, good sealing, heat preservation, cold insulation and heat insulation effects are achieved, and the influence on the indoor air temperature is reduced.

Room air temperature control device with - an indoor unit (3) comprising a housing body (9) and indoor unit fluid connections (11) and which is designed to temper room air (7) flowing through the indoor unit (3), - a cassette (17) which can be mounted on the wall, - an outdoor unit (5) comprising outdoor unit fluid connections (25) and which can be inserted into the cassette (17), - wherein, in an installed state, the outdoor unit (5) is inserted into a cassette body (18) of the cassette (17), the cassette body (18) and the housing body (9) are spaced apart from one another, and the outdoor unit fluid connections (25) and indoor unit fluid connections (11) are fluidly connected, whereby a power generation flow circuit is formed through the indoor unit (3) and the outdoor unit (5), wherein a working medium flows through the power generation flow circuit, - and wherein the outdoor unit (5) is designed to change the temperature of the working medium flowing through the outdoor unit (5), by means of which the room air (7) flowing through the indoor unit (3) is tempered.

The utility model discloses an air supply plenum chamber with an induction structure, which comprises a plenum chamber connected with an air supply system through an air inlet cylinder, and a nozzle for exhausting air in the plenum chamber is mounted in the plenum chamber; the right side of the static pressure box is provided with an induction cavity facilitating installation of a temperature sensor so as to detect the indoor air temperature in the static pressure box. The bottom of the induction cavity is provided with an induction cavity air inlet which is used for sucking indoor air into the induction cavity and is convenient for the temperature sensor to detect the indoor temperature; an induction cavity air outlet is formed in the top of the induction cavity, and the induction cavity air outlet communicates with the nozzle; according to the utility model, the induction cavity is arranged in the static pressure box, the jet flow of the nozzle induces the induction cavity to form a low-pressure environment, so that indoor air is sucked into the induction cavity, and meanwhile, the temperature sensor is arranged in the induction cavity, so that the indoor temperature is conveniently detected, and the indoor temperature is detected in the static pressure box.

The application discloses a kind of based on 3D printing aerogel insulation board assembly structure and its assembly method, belong to building insulation technical field, including protective plate group and its inside aerogel insulation layer, outer ventilation cavity, cavity has multiple unit cavities formed by baffle, fan of top ventilation assembly can exhaust gas and generate negative pressure, each unit cavity is equipped with air inlet component, including ventilation tube, plugging column etc., when negative pressure increases, it can be automatically sealed, also be provided with internal circulation heat preservation system, for introducing indoor air temperature control, the application is realized the differential heat management of wall area by unit cavity zoning, solve uneven sunshine and lead to local overheating problem, based on negative pressure principle automatically seal air inlet, active moisture-proof, prevent condensation hazard, airflow drive disturbance blade rotates, break heat and humidity gathering blind area, ensure complete exchange, when extremely high temperature, internal circulation mode can be started, introduce indoor low-temperature air for cavity cooling and isolate external heat source, reduce night condensation risk, to insulation layer protection.

1. The name of the design product: air conditioner outdoor unit (mostly joint). 2. The use of the design product: for adjusting the indoor air temperature and comfort. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

This device is mounted on the ceiling and measures the temperature of the floor surface using infrared radiation, while also measuring the temperature of the ceiling surface using a sensor-integrated thermistor, thereby calculating the air temperature of the living space. The device consists of a main body housing the sensor and an arm made of spring metal, which is inserted into the inside of the ceiling panel through a through-hole provided in the ceiling panel. The ceiling panel is then sandwiched between the lid, which protrudes from the outside of the ceiling panel, and the arm, which is inserted inside the ceiling panel (see perspective view).

The utility model provides a door and window system with multi-layer glass, and belongs to the technical field of glass. The door and window glass solves the technical problems that existing door and window glass is passively insulated and cannot actively participate in indoor air temperature adjustment and the like. According to the door and window system with the multiple layers of glass, the upper edges and the lower edges of inner-layer glass and middle-layer glass are connected in a sealed mode through sealing strips, first vent holes are formed in the sealing strips at intervals in the length direction of the sealing strips, an inner cavity is formed between the inner-layer glass and the middle-layer glass, and air guide grooves are formed in the upper side and the lower side of an outer frame body and correspond to the sealing strips. The inner cavity is communicated with the air guide grooves through first vent holes, and air inlet holes and air outlet holes which are communicated with the corresponding air guide grooves are formed in the side wall of the outer frame body. Through the air guide grooves and the first vent holes, a heat exchange medium can flow through the inner cavity between the inner-layer glass and the middle-layer glass, and actively participates in air temperature adjustment in a house through the heat exchange principle.

The invention discloses a control method and system of an environment conditioning system and a storage medium, relates to the technical field of environment conditioning systems, and discloses the control method of the environment conditioning system, which comprises the following steps: controlling radiation end equipment to operate a heating mode; the indoor air temperature and the area temperature of the radiation end equipment installation area are obtained; and the convection heat exchange equipment is controlled to operate according to the indoor air temperature and the area temperature, and the indoor comfort in the heating process of the environment adjusting system is improved.

To provide an air conditioning control device and an air conditioning control method capable of controlling an air conditioner based on an air temperature closer to a typical indoor air temperature compared to conventional arts.SOLUTION: An air conditioning control device (100) comprises: a propagation time calculation unit (103) that calculates a propagation time of ultrasonic waves from when the ultrasonic waves are transmitted by transmitting units (30, 31, 32) that are arranged in a room (K1) and transmit the ultrasonic waves until when the ultrasonic waves are received by receiving units (30, 31, 32) that is arranged in the room (K1) and receives the ultrasonic waves; a room temperature calculation unit that calculates an air temperature in a propagation path of the ultrasonic waves in the room (K1) based on the propagation time of the ultrasonic waves calculated by the propagation time calculation unit; and an air conditioning control unit that controls the air conditioner based on the air temperature calculated by the room temperature calculation unit.SELECTED DRAWING: Figure 2

This utility model relates to the field of ventilation and heating pipe technology, and more specifically, to an indoor ventilation and heating pipe for green buildings. It includes a pipe body, a connecting structure, an air purification structure, and an energy recovery structure. The pipe bodies are connected by the connecting structure. The air purification structure is located on the inner wall of the pipe body, and the energy recovery structure is located on the outer periphery of the pipe body. The energy recovery structure includes a base layer and a phase change material. The base layer is annularly wrapped around the outer wall of the pipe body, and the base layer and pipe body are tightly bonded together by a hot-pressing process. A second groove is formed on the surface of the base layer, and the phase change material is filled into the second groove. A protective layer is provided on the outer layer of the base layer. During ventilation, when there is a temperature difference between indoor and outdoor air, the phase change material can absorb or release heat, realizing the recovery and reuse of indoor air energy and reducing the energy consumption of the heating and ventilation system.

A control method for an anti-condensation radiant cooling system, including: step 1, acquiring temperature matrix data of indoor thermal images, an indoor air temperature ta, and a relative humidity (RH); step 2, performing an occupant counting for indoor active occupants; step 3, determining a condensation risk; and step 4, calculating a predicted mean vote (PMV) value under current indoor conditions based on the temperature matrix data of indoor thermal images, the indoor air temperature ta, and the relative humidity (RH).

The application discloses a control method of an air conditioner, the air conditioner comprises a radiation module and a heat pump module, the heat pump module is used for adjusting indoor air temperature through heat exchange, and the radiation module is used for releasing radiation wave to heat indoor air or supplementing heat required by human bodies; the control method of the air conditioner comprises the following steps: obtaining an operation mode of the air conditioner; when the operation mode is a defrosting mode, controlling the heat pump module to defrost and starting the radiation module. The application also discloses an air conditioner and a computer readable storage medium. The application aims to avoid that indoor temperature is greatly reduced during the defrosting process of the air conditioner, and realizes that the defrosting of the air conditioner is combined with the guarantee of indoor user comfort.

The application provides a kind of existing building BEM modeling method, system, equipment and medium based on unmanned aerial vehicle infrared thermal image, belongs to building modeling technical field, obtains building image sequence by unmanned aerial vehicle aerial photography;Generate the three-dimensional geometric model of building main body;Through the analysis of the RGB value characteristics of the visible light point cloud, the outer window candidate area is selected, the window hole three-dimensional boundary is generated, the inner surface temperature and indoor air temperature are determined by integrating the inner surface infrared temperature and area weighting;Based on the temperature data and the construction parameters of the envelope structure, the heat transfer coefficient of the outer wall, roof and outer window is inverted, and the weighted average K value is combined to finally build the building energy consumption model.The method realizes the accurate operation from building geometric model construction to heat parameter acquisition, to building energy consumption model construction.Improves the efficiency and accuracy of existing building BEM modeling, and provides a scientific basis for building energy saving reconstruction, energy consumption evaluation, etc.

The invention discloses an indoor oxygen-enriched ion space system, which comprises a sensor acquisition module used for acquiring indoor environment data and inputting a signal to a central processing unit (CPU), the sensor acquisition module comprises an indoor oxygen concentration sensor, an indoor PM2.5 concentration sensor, an indoor air temperature and humidity sensor, an indoor air anion concentration sensor, a liquid oxygen storage tank pressure sensor, a liquid oxygen storage tank liquid level sensor, a cold evaporation water tank water level sensor and an execution control module; the execution control module comprises a liquid oxygen storage tank flow control switch, a PM2.5 air purifier fan control switch, a cold evaporation air humidifier fan control switch, a negative ion generator control switch, an aromatherapy release control switch and a sound and volume control switch. Therefore, through real-time acquisition of multiple sensors, intelligent analysis of the central processing unit and linkage response of all execution modules, dynamic regulation and control of key air parameters such as oxygen, PM2.5, humidity and negative ions are achieved.

The invention relates to a comfortable air conditioner terminal temperature and humidity cooperative control method which comprises the following steps: firstly, determining the increasing and decreasing directions of a cooling capacity load and a dehumidification load which need to be adjusted by an air conditioner terminal based on the deviation between the measured values and the set values of the indoor air temperature and humidity; then, according to a preset air conditioner terminal full-working-condition parameter database, a target operation parameter combination which is high in matching degree with the current operation state parameters and meets the load adjusting requirement is retrieved; the target operation parameter combination serves as a control instruction to be input into an air conditioner terminal system; and finally, a PID feedback control algorithm is adopted to dynamically adjust the chilled water flow of the air conditioner terminal until the indoor air temperature is stabilized at a set control value. By combining intelligent retrieval and PID dynamic adjustment of a full-working-condition database, cooperative matching of indoor temperature precision control and humidity range control of the comfortable air conditioning system is achieved, the thermal comfort requirement is met, energy waste caused by excessive dehumidification is avoided, and the comfort air conditioning system is suitable for being popularized and used. The method is suitable for operation regulation and control scenes of typical terminal devices such as air handling units and fan coils of a comfortable central air conditioning system.

The application provides an air energy ground cooling system anti-condensation intelligent control method and system, which comprises the following steps: acquiring indoor air temperature, relative humidity and ground heating water inlet temperature; calculating indoor dew point temperature and the change trend of each parameter; calculating the condensation remaining time in combination with the ground cooling inertia compensation coefficient; determining the judgment level time according to the condensation remaining time of the continuous period, and then determining the air energy ground cooling operation level; finally, executing the corresponding anti-condensation control action according to the operation level. Through real-time monitoring of the environmental parameters and the water temperature trend, the application can predict the condensation risk in advance and dynamically adjust the equipment operation state, effectively avoiding the ground condensation phenomenon in the ground cooling mode, improving the operation stability and indoor comfort of the air energy ground cooling system, and having the advantages of timely response and precise control.

The present application is applicable to the technical field of air conditioners, and provides a flexible regulation and control method for an air conditioner, an apparatus, a computer device, a storage medium and a computer program product. The method comprises: when a predicted indoor air temperature value reaches an upper indoor comfort temperature limit value, giving a comfort level alarm; and, in response to the comfort level alarm and on the basis of a building heat balance model, adjusting the set value of an operating parameter until the comfort level alarm stops, using as the latest set value the set value of the operating parameter when the comfort level alarm stops and, on the basis of the latest set value, operating an air conditioner, the building heat balance model at least comprising an air conditioner model and a virtual battery model, and the virtual battery model comprising an association relationship between a building equivalent heat capacity and a virtual battery charge-discharge heating and cooling capacity. The solution in the embodiments of the present application can achieve accurate control of air conditioner power and indoor temperature.

A heating, ventilation, or air conditioning (HVAC) system for a building includes one or more processing circuits having one or more processors and one or more non-transitory computer-readable media containing program instructions. When executed by the one or more processors, the instructions cause the one or more processors to perform operations including providing an optimization function for operating HVAC equipment over a future time period including a plurality of time steps and using the optimization function to generate a time series of temperature setpoints for the plurality of time steps in the future time period. The time series of temperature setpoints achieve a target value of the optimization function over the future time period. The operations include operating the HVAC equipment to drive indoor air temperature toward a first temperature setpoint of the time series of temperature setpoints for a first time step of the plurality of time steps.

1. The name of the design product: air energy heat pump heating unit. 2. The use of the design product: the design product is used to adjust indoor air temperature. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.