441results about "Control inputs involving air properties" patented technology

A building management system for monitoring and controlling temperature, pressure, and humidity (TPH) of a building includes one or more processing circuits configured to obtain trend data comprising TPH values of a target area of the building over a time period, compare the trend data against a range of compliant TPH values defined by a compliance standard, obtain a schedule for the target area indicating a scheduled event within the target area or requested TPH settings for the target area, and in response to a determining that the trend data do not satisfy the compliance standard, operate HVAC equipment of the building to affect at least one of the temperature, the pressure, or the humidity of the target area to satisfy the compliance standard based on the schedule for the target area.

This invention discloses a method for generating building energy-saving optimization strategies based on UAV infrared imaging, specifically relating to the field of building energy-saving management technology. The method includes acquiring infrared images, timestamps, location coordinates, and air conditioning records collected by a UAV during target building inspections; stitching the infrared images together according to the location coordinates; extracting the room activation status and set temperature from the air conditioning records according to the timestamps; and outputting a temperature map and operation table. By collaboratively organizing the infrared inspection results, room air conditioning operation information, and control area constraints at the edge into an action list, room execution sequence, and area execution sequence, energy-saving recommendations can be transformed from static recommendations into strategy results with constraint resolution, prioritization, and batch execution capabilities, relatively improving the problems of recommendation conflicts and implementation difficulties.

The application belongs to the technical field of composite material and metal material repair, and specifically discloses a novel composite material intelligent repair shelter system, which comprises a modular shelter main body, an auxiliary facility subsystem, a special repair subsystem, a power supply subsystem, a monitoring and sensing subsystem and an environment control subsystem; the auxiliary facility subsystem is arranged in the modular shelter main body, and the auxiliary facility subsystem comprises a gluing module, a polishing module and a curing module which are sequentially arranged along the length direction of the modular shelter main body. The novel composite material intelligent repair shelter system is provided, and through system integration and intelligent control in the mobile shelter, the composite material repair capability which originally depends on fixed facilities and is operated in a scattered manner is converted into integrated support capability which can be quickly advanced, self-adapts to the environment and is controllable in process, so that the problems of slow repair response, difficult quality guarantee and long support chain in the front deployment scene are fundamentally solved.

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

To provide an air-conditioning controller capable of preventing easy detachment of a cable connected to an air conditioner.SOLUTION: An air-conditioning controller includes: a casing 2; an accommodation part 11 disposed in the casing 2 and accommodating an electronic component; a mounting plate 24 disposed on a back surface side of the accommodation part 11 to fix a body on a wall surface of a building; and a connector 34 disposed on a back surface side of the casing 2 and connecting the cable. The mounting plate 24 includes: a mounting plate body 25 fixed to the wall surface; and a movable part 26 that couples one side of the body 25 to one side of the casing 2 via a hinge mechanism. The mounting plate body 25 includes an opening part 36 for inserting a cable 38 to be connected to an air conditioner 10. The casing 2 has a front surface side cover 22 and is fixed to the mounting plate body 25 by screws 30a, 30b therein.SELECTED DRAWING: Figure 1

This control device comprises: an extraction unit that extracts, from time-series data obtained by measuring the indoor temperature of a space to be air-conditioned, an element included in a monitoring section from a predetermined start condition to a predetermined end condition of air-conditioning control by an air conditioner; a division unit that uses, as an element of a primary delay response, an element after a point at which the indoor temperature starts falling in the monitoring section during a cooling operation and an element after a point at which the indoor temperature starts rising in the monitoring section during a heating operation, and divides elements other than the elements of the primary delay response in the monitoring section as elements of a dead time; and an estimation unit that estimates the length of the dead time as a dead time estimation value, and estimates a time constant estimation value at which a curve approximation error from the indoor temperature in the primary delay response is minimized.

The present application relates to a kind of central air conditioning source and load collaborative control method and system, for the data isomerism in the regulation and control process of existing chilled water system, semantic is difficult to identify, parameter self-adapting difficulty is high and energy efficiency constraint is difficult to dynamically satisfy, a kind of method based on multi-source data standardization, space-time alignment, semantic annotation and graph embedding is proposed, by constructing load semantic graph and introducing context-aware representation vector, the accurate extraction of multi-dimensional feature to end operating state and semantic reasoning are realized.Combining pre-training nonlinear mapping network with dynamic safety clipping, generate fuzzy PID control parameters that meet the system energy efficiency bandwidth constraints, and through hierarchical fuzzy rule base adaptive collaborative adjustment water supply temperature and pump group frequency.The method has adaptive closed-loop optimization capability, can improve system regulation accuracy, response speed and operating energy efficiency, effectively make up for the deficiency of traditional rule base and static parameter, promote equipment operation more stable, efficient and intelligent.

The application discloses a refrigerating unit adaptive constant-temperature control system and method, and relates to the technical field of constant-temperature control.The system comprises a cold source module, an environmental parameter acquisition module and an adaptive control module.The environmental parameter acquisition module acquires outdoor environmental temperature, indoor actually measured temperature and indoor relative humidity in real time.The adaptive control module calculates current cold load according to the acquired parameters, and calculates the target supply water temperature of chilled water according to the current cold load.The adaptive control module adjusts the frequency of the variable frequency compressor in the cold source module by using a proportional-integral-derivative control algorithm according to the deviation between the actually measured chilled water outlet water temperature and the target supply water temperature.The proportional coefficient is dynamically adjusted according to the change rate of the current cold load, so that quick response and high-precision constant-temperature control can be realized under the variable load condition, the system energy efficiency is significantly improved, and the service life of the equipment is prolonged.

To provide a wireless communication system, a relay unit, and a control device capable of reducing amount of communication on a transmission route.SOLUTION: A wireless communication system A1 includes multiple kinds of sensor devices Es for transmitting measurement data by wireless communication of a first communication protocol, a plurality of relay units for transferring the measurement data by wireless communication of a second communication protocol, and a control device Ct for receiving the measurement data from the plurality of relay units. The measurement data from each sensor device Es is received by only one of the plurality of relay units. The control device Ct transmits an illumination control signal to a lighting device L according to combination of measurement data of the multiple kinds of sensor devices Es stored in a storing part and transmits an air conditioning control signal which is based on combination of the measurement data to an air conditioner Ac.SELECTED DRAWING: Figure 1

The application provides a control method and device of an air conditioner and a storage medium, the control method of the air conditioner comprises the following steps: judging whether the air conditioner is power-off restart; in the case that the air conditioner is power-off restart, acquiring a real-time environment temperature, a original target temperature before the air conditioner is power-off and original running parameters; according to a temperature difference between the real-time environment temperature and the original target temperature, adjusting the original running parameters. In the control method of the air conditioner provided by the application, after the air conditioner is restarted, the original running parameters are insufficient to meet the temperature control requirement, at this time, the real-time environment temperature, the original target temperature before the air conditioner is power-off and the original running parameters are acquired, the real-time environment temperature and the original target temperature are compared, whether the air conditioner can complete the work task of the original target temperature with the original running parameters is judged, and then the original running parameters are adjusted according to the actual situation.

The disclosure relates to control systems for heating ventilation and cooling systems. In some examples, a controller for a heating ventilation and cooling system receives, from a first temperature sensor, a first temperature of a first air flow entering a conditioner system. The controller also receives, from a first humidity sensor, a first dew point of the first air flow, and also receives, from a thermostat, a desired temperature for a conditioned space. The controller generates adjustment data characterizing an adjustment to at least one of: (1) an exhaust air flow, (2) a desiccant flow rate, (3) a water flow rate, (4) a total air flow rate, and (5) a liquid desiccant concentration of the conditioner system based on at least one of the first temperature, the first dew point, and the desired temperature. The controller transmits the adjustment data to the conditioner system to cause the adjustment.

This application relates to the field of industrial air conditioning, specifically a temperature and humidity gradient sensing-based self-regulating industrial variable frequency air conditioning system. The system includes an outdoor heat exchange unit, a refrigeration unit, a multi-stage air duct delivery unit, a terminal airflow regulation unit, a distributed environmental sensing unit, and a core controller. The outdoor heat exchange unit is coupled to the refrigeration unit via a circulating refrigerant pipeline, and its core function is to exhaust the heat generated by the refrigeration unit to the outdoor environment to cool the circulating refrigerant. The refrigeration unit includes a compressor, a variable frequency drive motor to drive the compressor, and cold air outlets for generating cool air. This system aims to acquire temperature and humidity gradient information for different areas within the factory through a distributed environmental sensing network, and, combined with the system's own operational status data, to perform multi-stage coordinated closed-loop regulation of airflow distribution, airflow direction, and cooling power. This achieves efficient, uniform, and adaptive control of the temperature and humidity field within the factory space, and improves the system's overall energy efficiency and operational stability.

This air-conditioning device compares a first operation valve provided between a compressor and an indoor heat exchanger on a gas pipe, a second operation valve provided between the expansion valve and the indoor heat exchanger on a liquid pipe, a first temperature measurement unit for measuring the temperature of the indoor heat exchanger, a second temperature measurement unit for measuring the temperature of an outdoor heat exchanger, a third temperature measurement unit for measuring the indoor temperature, a fourth temperature measurement unit for measuring the outdoor temperature, and a control device. The control device has an operation determination unit, a first comparison unit for comparing the outdoor temperature with the temperature of the outdoor heat exchanger in the case of a cooling operation, and a first determination unit for determining the state of each device when the temperature of the outdoor heat exchanger is lower than the outdoor temperature.

The application relates to the technical field of indoor environment control, in particular to an indoor environment monitoring management method and system, which comprises the following steps: data acquisition: collecting multi-source environment data including at least temperature and humidity in real time; weight calculation: dynamically calculating the weight coefficient of each sensor according to the current collected temperature value, humidity value and a preset weight rule; fusion data generation: weighting and fusing the multi-source environment data by using the calculated weight coefficient to generate fusion environment parameters; intervention decision generation: comparing the fusion environment parameters with a dynamic threshold value, and generating an intervention adjustment decision when the fusion environment parameters exceed a safety range; intervention execution: sending the intervention adjustment decision to an environment control device for execution, and monitoring environment change data after execution in real time. The application solves the problems that intervention decisions in the prior art depend on artificial experience and have a slow response, and realizes automatic management of environment control.

This application provides a method and related apparatus for coordinated temperature and humidity control of air conditioning, relating to the field of air conditioning control technology. The method includes: collecting environmental data, including the current indoor temperature and humidity; determining the current comfort level based on the indoor temperature and humidity; and controlling the operation of the air conditioning equipment according to the current comfort level when the current comfort level is not considered comfortable, thereby adjusting the indoor temperature and humidity. This application uses the dynamic comfort of the human body as the control target, determines the comfort level in real time based on indoor temperature and humidity, and triggers a coordinated control strategy for the air conditioning to ensure that the indoor environment is always within the human comfort zone, avoiding excessive cold, heat, dryness, or humidity, thus balancing comfort and health.

A method for providing filtered air to a zone of a building includes operating an air handler to pass unfiltered air through a filter and output filtered air to the zone of the building. The method includes determining an amount of filtered air provided to the zone of the building by the air handler. The method includes determining if additional air filtration is required to satisfy at least one of a desired amount of clean airflow or a desired reduction of a risk of infection. The method includes activating an in-zone filtration device and operating the in-zone filtration device to draw air from the zone into an inner volume, filter the air, and recirculate the filtered air to the zone of the building in response to determining additional air filtration is required.

The application relates to the technical field of air conditioner control, and discloses an air conditioner indoor unit control method, device, equipment and storage medium, the method realizes the cooperative control of the air conditioner indoor unit and the lighting mechanism in the night scene, and a complete logic chain of scene recognition, information collection, state determination and accurate control is constructed; through the combination of a millimeter wave radar sensor and a human state detection model, the accurate perception of the human state is realized, non-target interference can be effectively filtered, and three states, i.e., frequent rotation, sitting up and getting out of bed, can be distinguished, so that the false touch rate is greatly reduced; the air conditioner parameter adjustment or the lighting control is respectively performed according to different states, the problems of high false touch rate and unsuitable brightness of a traditional night light can be solved, the defects of the fixed parameter operation of a traditional air conditioner can be made up, and the user's night sleep comfort and night convenience are significantly improved; meanwhile, a high-frequency scanning mode is adopted, the real-time performance and the accuracy of state determination are ensured, and a reliable data basis is provided for subsequent parameter adjustment and lighting control.

This invention relates to the field of projection equipment technology and discloses a flow channel structure for a plasma air purifier used in laboratories. The structure includes a housing, which contains: an air intake pretreatment zone located inside the housing for gas adsorption pretreatment; a stepped flow guiding filter channel located above and connected to the air intake pretreatment zone; an airflow homogenization and diversion zone located above and connected to the stepped flow guiding filter channel, which diverts the gas from the stepped flow guiding filter channel; and a three-channel diversion purification system connected to the stepped flow guiding filter channel via the airflow homogenization and diversion zone. A control method is also disclosed, comprising the following steps: S1, environmental parameter sensing; S2, intelligent diversion control; and S3, coordinated regulation of purification modules. This invention achieves efficient treatment of complex pollutants in laboratories through layered purification, intelligent diversion, and modular design.

This invention provides a control method and a building with a thermal storage skylight. The control method acquires the indoor and outdoor temperatures of the main building and the temperature of the thermal storage chamber, and determines the operating mode of the building based on these temperatures. Then, it acquires a corrected seasonal factor for the building and calculates the skylight opening for each operating mode. Finally, it calculates the activation level of each operating mode based on the corrected seasonal factor, indoor temperature, outdoor temperature, and thermal storage chamber temperature. The control method then controls the thermal storage skylight to operate at the skylight opening corresponding to the mode with the highest activation level. This control method can adapt to different seasons and varying indoor and outdoor temperature conditions, fully utilizing the thermal storage, ventilation, and insulation performance of the skylight.

The application provides a building indoor air quality prediction and circulation control method. The method obtains environmental data and passenger flow of a target area, sets a reference ventilation working condition, and dynamically corrects through multiple levels of parameters: generates a first ventilation parameter based on the current passenger flow to realize on-demand ventilation; generates a second ventilation parameter based on historical passenger flow to pre-compensate using inertia; generates a third ventilation parameter according to the deviation of the actual change rate of pollutants from the preset change rate to respond to sudden pollution; and simultaneously introduces a fourth ventilation parameter and a height correction parameter in combination with the area of the enclosure and the height of the top to adapt to the geometric characteristics of the space. Each parameter is limited between 1 and 2 to ensure stable and energy-saving regulation and control. The application integrates real-time, historical, abnormal and spatial multi-dimensional information to realize accurate, efficient and self-adaptive intelligent regulation and control of indoor air quality.

A hybrid heating system for controlling heat and comfort of a building is disclosed with both heat pump and furnace heating. Upstream temperature and humidity sensors measure conditions for an intake, and downstream temperature and humidity sensors measure conditions for an outlet of the hybrid heating system. A control unit receives readings from the upstream and downstream temperature and humidity sensors to control operation of the heat pump and the furnace. The control unit determines that the downstream humidity sensor is reading outside of a desired humidity downstream and modulates heating operation of the heat pump and / or the furnace to achieve the desired humidity downstream for the desired temperature downstream.

A humidity control system and method for controlling the humidity of ambient air is disclosed. The system includes a humidification and dehumidification systems to increase and / or decrease the humidity level of an indoor space and a sensor to sense ambient conditions of the space. The system further includes a controller that receives a humidity setpoint for the indoor space, determines the humidity level associated with the indoor space, compares the determined humidity level to the humidity setpoint, and causes activation of one of a humidification system or a dehumidification system. In response to causing the activation of one of the humidification or dehumidification system, the controller initiates a lockout condition during which the other of the one of the humidification or dehumidification system is prevented from activation. The controller also monitors for an override condition and enables activation of the other of the humidification system or the dehumidification system accordingly.

The application discloses a refrigeration equipment and a defrosting control method and device thereof and electronic equipment, and the method comprises the following steps: acquiring indoor and outdoor environment parameters; determining the defrosting start-stop condition of a fresh air device according to the outdoor environment parameters; determining the target control strategy of the refrigeration equipment according to the indoor environment parameters, the outdoor environment parameters and the defrosting start-stop condition; wherein the target control strategy at least comprises a fresh air operation mode and equipment control parameters, and the fresh air operation mode at least comprises a defrosting mode and a non-defrosting mode; controlling the fresh air device to operate according to the fresh air operation mode, and controlling the air conditioning device to operate according to the equipment control parameters. The application can avoid the risk of condensation water generated at the fresh air outlet by detecting the difference between indoor and outdoor environment parameters, adjusting the fresh air operation mode and the equipment control parameters in real time, improving the ventilation and temperature adjustment effect, maintaining the indoor temperature and humidity comfort, and improving the user experience.

The application provides an air conditioner exhaust control method and device, an air conditioner and a storage medium. The method comprises the following steps: when it is detected that an exhaust system of an air conditioner is turned on, the indoor environment temperature, the outdoor environment temperature, the dew point temperature of the air conditioner and the fan rotating speed of the exhaust fan in the exhaust system of the air conditioner are acquired; the initial condensation rate of the exhaust system is determined according to the indoor environment temperature, the outdoor environment temperature and the dew point temperature; the predicted condensation amount corresponding to the target time is predicted according to the initial condensation rate, the indoor environment temperature and the fan rotating speed; and the rotating speed of the exhaust fan is adjusted according to the predicted condensation amount and the outdoor environment temperature. The method avoids the frost formation at the outlet of the exhaust pipe due to the excessive condensation amount in the exhaust pipe at the target time, improves the exhaust effect of the exhaust system of the air conditioner, improves the exhaust performance of the exhaust system of the air conditioner and increases the comfort of the indoor environment.

The application relates to a refrigerant circulation system and a control method and device thereof, electronic equipment and a storage medium. The system comprises a refrigerant circulation subsystem and a liquid storage module. The refrigerant circulation subsystem comprises a first pressure pipeline and a second pressure pipeline. The pressure of the first pressure pipeline is greater than that of the second pressure pipeline. The liquid storage module is connected with the first pressure pipeline through a first pipeline. A liquid inlet valve is arranged on the first pipeline. The liquid storage module is connected with the second pressure pipeline through a second pipeline. An air balance valve is arranged on the second pipeline. The air balance valve is used for adjusting the flow rate of refrigerant in the liquid storage module. The liquid storage module is connected with the second pressure pipeline through a third pipeline. A liquid outlet valve is arranged on the third pipeline. Therefore, the refrigerant amount in the refrigerant circulation system can be more accurately adjusted, and the energy efficiency of the refrigerant circulation system is improved.

The present disclosure provides an air conditioner control method, comprising: in the case of determining that the air conditioner outdoor unit is abnormally dissipating heat, adjusting the speed of the outdoor fan according to the mapping relationship between the outdoor fan operating parameter and the adjustment value, and adjusting the speed of the indoor fan according to the mapping relationship between the indoor environment parameter and the adjustment value; in the case of determining that the air conditioner outdoor unit is abnormally dissipating heat, adjusting the speed of the outdoor fan according to the mapping relationship between the outdoor fan operating parameter and the adjustment value, and adjusting the speed of the indoor fan according to the mapping relationship between the indoor environment parameter and the adjustment value. In the case of determining that the air conditioner outdoor unit is abnormally dissipating heat, the operating parameters (such as the speed) of the outdoor fan and the indoor fan in the air conditioner system are linked and controlled to improve the problem of abnormal heat dissipation of the air conditioner outdoor unit, improve the heat dissipation capacity of the condenser to the outside, and thus improve the refrigeration capacity of the air conditioner and enhance the user experience.

The application provides an air conditioner control method and system, which determines a air supply area according to a height parameter and a motion track of a user, and controls the air conditioner to supply air to the air supply area. Two temperature control modes are provided, in the first temperature control mode, a set temperature of the air conditioner is adjusted according to a current date and an environmental parameter in a space where the air conditioner is located, and in the second temperature control mode, a set parameter of the air conditioner is adjusted according to a body surface temperature of the user. The parameter of the air conditioner is adjusted according to the environment, so that the use experience of the user is improved.

The application provides a kind of air conditioner compressor frequency regulation method, device, equipment and medium, method includes: if the operation mode of air conditioner is refrigeration / heat mode, then time judge whether the ambient temperature reaches set temperature;If not reach set temperature, then according to set temperature determine the running set frequency corresponding to current time period;Running set frequency and initial running frequency are input to the preset frequency increasing rate calculation formula, and the corresponding actual frequency increasing rate is obtained;Wherein, initial running frequency is the terminal frequency of last time period;According to the preset compressor frequency control strategy and actual frequency increasing rate, the corresponding target frequency increasing rate is determined, and the compressor is controlled according to the target frequency increasing rate to increase frequency in current time period.The application embodiment can realize flexible adjustment of compressor frequency, ensure that air conditioner can maintain stable operation state in any case, ensure the temperature control effect of air conditioner, reduce energy consumption and reduce operating cost.

The application discloses a temperature and humidity system and a control method for isotope production micro cascade, which comprises a central control system, the central control system is connected with a cold source system, a terminal system, a delivery system and a monitoring system through a communication cable; the cold source system comprises a plurality of air-cooled heat pump units and operation screens thereof; the terminal system comprises a plurality of jet air conditioning units and control cabinets thereof; the delivery system comprises a circulating water device, a water supplement device and control cabinets thereof; and the monitoring system comprises temperature and humidity sensors and a dew point temperature instrument. The application can realize cooling and heating of a hall. The terminal adopts an independent air supply mode, can be controlled in a partitioned manner and achieves the purpose of energy saving. The delivery end adopts a same-path design, so that the water force of each device is balanced. The temperature and humidity system can meet the process requirements of the temperature and humidity and the dew point temperature of a workshop, reduces the installation difficulty, saves investment and improves economic benefits.