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96 results about "Indoor air temperature" patented technology

Indoor Air Quality Tips When It's Hot & Humid Outside. Monitor and maintain ideal home humidity and temperature: The EPA recommends indoor humidity stays between 30% and 60%. Comfortable room temperatures are generally considered to be around 68° Fahrenheit. At night, some sleep experts recommend keeping a bedroom around 65°F.

A floor radiation cooling system and anti-condensation control method

The present invention discloses a floor radiation cooling system and an anti-condensation control method, which relate to the technical field of radiation air conditioning. The method comprises: real-time collection of indoor temperature and humidity, electric three-way valve opening, water pump flow and fresh air unit parameters; using particle swarm algorithm (PSO) to optimize radial basis function neural network (RBF) weights and construct a PSO-RBF prediction model; inputting indoor air temperature, relative humidity, fresh air speed, fresh air humidity, valve opening and water pump flow into the model, outputting surface temperature and calculating condensation risk value with current dew point temperature, dynamically regulating fresh air speed and humidity to achieve anti-condensation; and adjusting the radiation surface temperature based on the PMV thermal comfort model to maintain thermal comfort. The method uses a dual control mechanism to ensure that the radiation surface is prevented from condensation while using the radiation surface to independently bear the sensible heat load, effectively avoiding mold growth and maintaining a stable indoor thermal environment.
Owner:JINAN SPECIAL EQUIP INSPECTION & RES INST

Flexible regulation and control method and device for air conditioner, computer equipment and computer program product

The invention is suitable for the technical field of air conditioner regulation and control, and provides an air conditioner flexible regulation and control method and device, computer equipment and a computer program product. The method comprises the following steps: when an indoor air temperature predicted value reaches an indoor comfortable temperature upper limit value, giving a comfort level alarm; in response to the comfort level alarm, adjusting the indoor set temperature of the air conditioner and the set value of the air conditioner operation power according to the building heat balance model until the comfort level alarm is stopped; when the comfort level alarm stops, the set values of the indoor set temperature of the air conditioner and the operation power of the air conditioner serve as latest set values, and the air conditioner is operated according to the latest set values; the building heat balance model comprises the corresponding relation of the outdoor heat transfer amount, the indoor heat disturbance amount, the virtual battery charging and discharging heat and the air conditioner refrigerating / heating amount. The comfort level warning is performed based on the indoor air temperature predicted value, and the air conditioner indoor set temperature and the air conditioner operation power are adjusted according to the building heat balance model, so that the air conditioner power and the indoor temperature can be accurately controlled.
Owner:CHINA CONSTRUCTION SCIENCE & TECHNOLOGY GROUP CO LTD +1

Heterogeneous building air conditioner group quick response control method based on physical information deep learning

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.
Owner:HOHAI UNIV

Existing building BEM modeling method, system and device based on infrared thermal image of unmanned aerial vehicle and medium

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.
Owner:SHANDONG JIANZHU UNIV

A phase-change cold plate temperature control system combining air and liquid

The utility model relates to the technical field of refrigeration systems, and specifically to a phase-change cold plate temperature control system with air-liquid fusion, including 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; the intermediate heat exchanger includes a first channel and a second channel; the first channel is arranged between the other end of the outdoor heat exchanger and one end of the indoor heat exchanger; a first solenoid valve is arranged between the first channel and the other end of the outdoor heat exchanger; the second channel, the driving pump, the liquid collecting main pipe, the cooling branch, and the gas collecting main pipe are connected end to end in sequence. The utility model can make the refrigerant of the cooling plate in the cold plate assembly in the gas-liquid two-phase state as much as possible under the refrigeration state; and it can also heat the indoor air temperature in winter to keep the battery temperature within a reasonable range.
Owner:GUANGDONG HIWAVE TECH

Integrated control system for heat pump to optimize energy of solar power building

The present disclosure relates to an integrated control system for heat pump to optimize energy of solar power generation building, Including a computer comprising a processor and a memory within which a code for execution by the processor is stored, and the computer is configured to collect real-time data measured from at least any one of the heat pump of the solar power generation building, an external environment, a room and a photovoltaic power generation system, where interactions occur in a dynamic behavior of the heat pump; input the real-time data of before pre-set time into multiple dynamic behavior prediction models to derive an indoor air temperature prediction value, heat pump electricity consumption prediction value, and photovoltaic power generation prediction value, of after pre-set time; and search for an optimal control variable of the heat pump using the derived indoor air temperature prediction value, heat pump electricity consumption prediction value, and photovoltaic power generation prediction value.
Owner:SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Air conditioning system

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
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Field detection and evaluation method and system for solar heat gain coefficient of existing curtain wall door and window

The invention provides an existing curtain wall door and window solar heat gain coefficient field detection and evaluation method and system. The method comprises the steps that a data collector is used for receiving and displaying sensor data; the total solar radiation meter comprises an indoor total solar radiation meter and an outdoor total solar radiation meter and is used for measuring indoor and outdoor total solar radiation illumination; the temperature sensor comprises an indoor air temperature sensor and an outdoor air temperature sensor and is used for monitoring indoor and outdoor air temperatures; the heat-flow density meter is used for measuring heat-flow density; the fixing support is used for installing and adjusting the vertical receiving angle of the indoor total solar radiation meter. The external sucker is used for fixing the outdoor total solar radiation meter. The method has the remarkable advantages in the aspects of measurement precision, dynamic monitoring, secondary heat transfer effect, operation simplicity and convenience, application scene diversity, energy-saving transformation support, data processing integration, safety and the like; through the combined action of the advantages, the system has important application value and wide market prospect in the field of building energy conservation.
Owner:DECORATION CO LTD OF CHINA CONSTR 3RD ENG BUREAU

Method and device for measuring the heat output of low-temperature radiators

1. Method and device for measuring the heat output of low-temperature radiators. 2.1 The heat output of radiators is usually recorded using electronic heat cost allocators for the purpose of consumption-based heating cost billing. This typically involves measuring the surface temperature of the radiator and a temperature difference between this surface temperature and the room air temperature using temperature sensors. However, with so-called low-temperature radiators, where increased convective heat output is achieved through forced airflow via fans, recording the heat output with conventional heat cost allocators is not possible, as the heat output depends not only on temperature differences but also on the operating state of the fan. 2.2 Additional sensors in the convection shaft of the radiator allow for consideration of the increased flow through the radiator due to fan operation and the resulting increased heat output. 2.3 Recording the heat output of low-temperature radiators.
Owner:MÜGGE GÜNTER -LNG

Method for determining aggregation power of air conditioner cluster and electronic equipment

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.
Owner:TIANJIN UNIV

Traditional village dwelling thermal performance prediction system based on deep learning

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.
Owner:YUNNAN AGRICULTURAL UNIVERSITY

Constant-temperature and constant-humidity ground temperature adjusting type air conditioner indoor system

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.
Owner:SHANGHAI FULUDI FLUID TECH CO LTD

Purifier with heat exchange function

The utility model discloses a purifier with a heat exchange function, which belongs to the technical field of purifiers and comprises a purifier body, an anti-slip base is mounted at the bottom of the purifier body, a filter component is mounted at the bottom in the purifier body, and an electric exhaust component is arranged at an exhaust port formed in the top of the purifier body. A fan located at the top of the filter assembly is started to convey outside air into the purifier through the filter assembly, a temperature sensor is connected with a heat exchanger to intelligently heat fresh air, and the heated fresh air is discharged out of the purifier body through an exhaust port formed in the top of the purifier body; the bottom of the outer wall of the purifier body is provided with a plurality of air inlets arranged at equal intervals, the bottom of the side wall of the purifier body is hinged to a core replacement door cover through a hinge shaft, the inner wall of the purifier body is provided with a second filter screen at the bottom of the exhaust port, and the top end of the side wall of the purifier body is provided with a touch screen controller. The purification efficiency is improved, energy is saved, and indoor air temperature adjustment and air quality are guaranteed.
Owner:TAIZHOU RUIFENG ENVIRONMENTAL PROTECTION TECH CO LTD

Building air conditioner flexible load regulation and control method and electronic equipment

The invention provides a building air conditioner flexible load regulation and control method and electronic equipment, and the method comprises the steps: carrying out the processing through a linearization algorithm based on the quality of an indoor building wall, the heat capacity of the wall, a second derivative model and a fourth derivative model, and obtaining a building wall temperature model at a target moment; based on the building wall temperature model at the target moment, the indoor building air quality, the air heat capacity, the first derivative model, the second derivative model and the third derivative model, processing is conducted through a linearization algorithm, an indoor air temperature model in the building at the target moment is obtained, and then a temperature comfort index at the target moment is introduced; a user temperature comfort constraint is constructed according to the indoor air temperature model in the building at the target moment, so that the overall regulation resource consumption and the user experience can be fully considered for the pre-constructed regulation resource consumption function associated with the rated power of the air conditioner under the constraint, and the situation that the regulation resource consumption and the user experience are influenced due to relatively single factors considered by regulation can be avoided. And the use experience of the user cannot be ensured.
Owner:STATE GRID INFORMATION & TELECOMM GRP CO LTD

Energy-saving regulation method and device for building space thermal environment, equipment and medium

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.
Owner:HUAZHU TECH GRP DIGITAL TECH CO LTD

Design method and device for indoor air parameters of spent fuel pool ventilation system

The present invention provides a design method and device for indoor air parameters of a spent fuel pool ventilation system, the method comprising: S1: obtaining an indoor air temperature input value of a spent fuel pool hall, the indoor air temperature input value being an assumed indoor air temperature initial value or an indoor air temperature correction value obtained in step S3; S2: calculating an air supply volume calculated value according to the indoor air temperature input value, then calculating the absolute value of the difference between the air supply volume calculated value and the air supply volume design value, and judging whether the absolute value is greater than a first set threshold value, if so, correcting the indoor air temperature input value, obtaining an indoor air temperature correction value, and returning to step S1, if not, outputting the indoor air temperature input value as the indoor air temperature design value. The design method of the present invention can accurately obtain key indoor air parameters of a spent fuel pool ventilation system, and provide a reference for engineering design.
Owner:CHINA NUCLEAR POWER ENGINEERING CO LTD

Clean air pollution intelligent networking mechanism system for controlling indoor air temperature and humidity

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.
Owner:MICROJET TECH

A control method for a wind-liquid fusion heating and cooling phase change cold plate temperature control system

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.
Owner:GUANGDONG HIWAVE TECH

An energy-saving circulation system for an indoor swimming pool air-conditioning unit

The present application relates to an energy-saving circulation system for an indoor swimming pool air-conditioning unit, belonging to the technical field of indoor swimming pools. It includes a condenser, a throttler, an evaporator, and a compressor connected end to end in sequence. A fan coil unit is connected to the evaporator, and a chilled water system is communicated between the evaporator and the fan coil unit. The condenser is communicated with the swimming pool. The swimming pool is divided into a cold water area and a constant temperature area. The water inlet of the condenser is communicated with the cold water area, and the water outlet of the condenser is communicated with the constant temperature area. One end of the constant temperature area far from the water outlet of the condenser and one end of the cold water area far from the water inlet of the condenser are communicated. A partition component for controlling whether the two areas are communicated is arranged between the constant temperature area and the cold water area. The present application has the effects of saving resources consumed by indoor temperature adjustment and maintaining the constant temperature of the water in the swimming pool while reducing the indoor air temperature.
Owner:BEIJING REAL ESTATE GRP CO LTD

Cooking control system and method

According to the cooking control system and method, the temperature of indoor air is detected through the temperature detection system, the indoor oil smoke concentration is detected through the oil smoke detection system, and the temperature of outdoor air is obtained through the communication system or the temperature detection system. The controller judges whether the fresh air system, the smoke suction system and the refrigerating system are started or not and judges running gears after starting on the basis of the indoor air temperature, the smoke concentration and the outdoor air temperature. According to the scheme, the controller combines the temperature of the indoor air, the temperature of the outdoor air and the concentration of the indoor oil smoke, so that the fresh air system, the smoke suction system and the refrigerating system are controlled, the absorption of the oil smoke can be effectively promoted, the quality of the air in the kitchen space is guaranteed, and the cooking experience is improved.
Owner:HANGZHOU ROBAM APPLIANCES CO LTD

Air conditioner indoor unit and air conditioner

The present application belongs to the field of household electrical appliance technology, and specifically relates to an air conditioner indoor unit and an air conditioner. The present application aims to solve the problem that the existing air conditioner can only adjust the air in a single space and the temperature difference between the introduced fresh air and the indoor air is large. The air conditioner indoor unit of the air conditioner of the present application includes a cabinet, a first air duct, a second air duct, a reversing air duct, a driving mechanism, a fresh air duct and a mixed air duct. The driving mechanism is configured to drive the reversing air duct to rotate relative to the first air duct so that the reversing air duct is connected with the second air duct, so that the air conditioner indoor unit can adjust the air temperature in the first space and the second space at the same time; or, so that the reversing air duct is connected with the mixed air duct, the outdoor fresh air and the indoor air after heat exchange are mixed in the mixed air duct, and then blown into the first space, so as to reduce the temperature difference between the fresh air and the indoor air temperature, which is conducive to improving the user experience.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

Air conditioner control method and device and electronic equipment

The invention relates to an air conditioner control method and device and electronic equipment, and relates to the technical field of air conditioners. The method comprises the steps that in response to an air conditioner running in a dehumidification mode, the indoor temperature and the indoor humidity are obtained, and whether the indoor environment reaches a target state or not is determined based on the indoor temperature and the indoor humidity; the target state is any one of a first state and a second state, the first state represents that the indoor temperature reaches the target temperature and the indoor humidity does not reach the target humidity, and the second state represents that the indoor humidity reaches the target humidity and the indoor temperature does not reach the target temperature. And based on a control strategy corresponding to the target state, the air conditioner is controlled, so that the indoor temperature reaches the target temperature, and the indoor humidity reaches the target humidity. According to the method, indoor air temperature and humidity changes can be balanced, and the air conditioner use experience of a user is improved.
Owner:XIAOMI TECH (WUHAN) CO LTD +2

Air energy and exhaust air stream waste heat complementary multi-mode heat pump drying system

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.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI +1

Civil building roof heat insulation structure

The utility model discloses a civil building roof heat insulation structure, which relates to the technical field of building heat insulation and comprises a bottom plate, a reserved groove is arranged in the middle of the bottom plate, a double-shaft motor is arranged in the reserved groove, transmission rods are fixed at two output shaft ends of the double-shaft motor, and first bevel gears are fixed at the other ends of the transmission rods. The two first bevel gears are arranged on the left side and the right side of the bottom plate respectively, and supporting frames are fixed to the left side and the right side of the bottom plate. The driving assembly can pull the cylindrical gears to rotate, so that the cylindrical gears drive the heat insulation assemblies to turn over, the sunny faces of the heat insulation assemblies can be correspondingly adjusted according to seasonal changes, and when the temperature is high in summer, the reflector reflects sunlight, so that the temperature of the roof rises slowly; in winter, the heat absorption layer can better help the roof to heat by means of sunlight, so that the influence of the roof on the indoor air temperature is reduced, and heat insulation and heat preservation in a building are better facilitated.
Owner:CHINA NORTHWEST ARCHITECTURE DESIGN & RES INST CO LTD

Precise control system and method for PLC closed-loop ventilation of sunlight greenhouse film rolling device

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.
Owner:SHIHEZI UNIVERSITY

Outdoor unit of air conditioner

1. Name of the Design Product: Outdoor Unit of Air Conditioner. 2. Use of the Design Product: The design product is connected to an indoor air conditioner to adjust the indoor air temperature or air humidity. 3. Design Key Points of the Design Product: Lies in the shape of the product. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View.
Owner:TCL AIR CONDITIONER ZHONGSHAN CO LTD

Indoor air temperature adjusting system

The invention relates to an indoor air temperature adjusting system. The indoor air temperature adjusting system comprises a compressor, an outdoor unit, a gas-liquid separator and an indoor unit assembly. The compressor is provided with a first air inlet, a second air inlet and an air outlet; an inlet of the outdoor unit is communicated with an air outlet of the compressor; the gas-liquid separator is provided with a gas-liquid phase inlet, a liquid phase outlet and a gas phase outlet, the gas-liquid phase inlet is communicated with an outlet of the outdoor unit, the liquid phase outlet is communicated with an inlet of the indoor unit assembly, and the gas phase outlet is communicated with the second gas inlet; an outlet of the indoor unit assembly communicates with the first air inlet. According to the invention, the refrigeration performance of the indoor air temperature adjusting system can be greatly improved.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Broken bridge aluminum system window sash with aerogel felt cold-resistant bin

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.
Owner:PRODA INTELLIGENT TECHNOLOGY JILIN CO LTD

HVAC system operated with adaptive discharge air temperature setpoint

An HVAC system includes a blower, a variable-speed compressor, an indoor air temperature sensor that measures an indoor air temperature (IAT) of an enclosed space, and a controller. The controller stores an indoor temperature setpoint and a default discharge air temperature setpoint. The controller receives the IAT. The controller determines that the IAT is not within a threshold range of the indoor temperature setpoint. The controller then determines an adaptive discharge air temperature setpoint. The controller determines a compressor speed at which to operate the variable-speed compressor based on the adaptive discharge air temperature setpoint. The controller causes the variable-speed compressor to operate at the determined compressor speed.
Owner:LENNOX IND INC

Room air temperature control device

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.
Owner:ENVOLA GMBH