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17 results about "Humidity ratio" patented technology

Specific humidity is the ratio of water vapor mass (m v) to the air parcel's total (i.e., including dry) mass (m a) and is sometimes referred to as the humidity ratio. Specific humidity is approximately equal to the "mixing ratio", which is defined as the ratio of the mass of water vapor in an air parcel to the mass of dry air for the same parcel.

Air conditioner dehumidification control method, device and system and air conditioner

The invention discloses an air conditioner dehumidification control method, device and system and an air conditioner, and belongs to the field of air conditioner dehumidification. And when the air conditioner operates in a dehumidification or refrigeration mode, the predicted humidity and the target humidity after the specified duration are obtained, when the predicted humidity is smaller than the target humidity and the minimum predicted humidity is smaller than a preset humidity lower limit, the air conditioner is controlled to enter an early warning state, and when the air conditioner enters the early warning state, the dehumidification capacity of the air conditioner is adjusted according to the target humidity and the actual humidity. According to the scheme, the humidity after the specified duration is predicted and compared with the target humidity, when the predicted humidity is smaller than the target humidity and the minimum predicted humidity is smaller than the preset humidity lower limit, it is indicated that the excessive dehumidification phenomenon occurs after the specified duration, and therefore the dehumidification capacity of the air conditioner is adjusted in advance, it is guaranteed that excessive dehumidification cannot occur after the specified duration, and the dehumidification efficiency is improved. And the comfort and the experience of the user are improved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Novel double-warm-water-path air conditioning system and control method thereof

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

Equal-state air supply air conditioning method, system, medium and equipment

The invention discloses an air conditioning method and system for equal-state air supply, a medium and equipment, and belongs to the technical field of air conditioning equipment. The method comprises the steps that on the basis of the indoor design temperature, the indoor design relative humidity, the indoor heat load and the indoor humidity load, the heat-humidity ratio parameter is calculated, and the target temperature value of an equal-state air supply point is determined on an enthalpy humidity diagram; real-time temperature data of the air supply outlet of the fresh air handling unit and the air supply outlet of the fan coil are obtained and compared with the target temperature value, and a corresponding fresh air temperature deviation value and a corresponding return air temperature deviation value are generated; and according to the fresh air temperature deviation value and the return air temperature deviation value, the opening degrees of adjusting valves of the fresh air handling unit and the fan coil are adjusted, so that the air supply temperature of the fresh air handling unit and the air supply temperature of the fan coil are both maintained at the target temperature value. By implementing the method, the technical problem that in the prior art, accurate temperature and humidity control and refrigeration system energy efficiency improvement of a traditional air conditioning system in the high-temperature and high-humidity area high-humidity environment are difficult to achieve at the same time can be solved.
Owner:GUANGZHOU DESIGN INST +2

Heat treatment apparatus and heat treatment method

The invention provides a heat treatment apparatus and a heat treatment method. The heat treatment apparatus is provided with: a heating unit that supports a substrate and heats the substrate at a high temperature of 500 DEG C or higher; a chamber including a lid portion that forms a processing space on the heating portion by covering the heating portion, the surface of the lid portion on the processing space side being configured from a metal-containing material; and an exhaust unit that exhausts the processing space, in which the chamber has a gas supply unit that supplies a low-humidity gas having a humidity lower than that of the atmosphere to the processing space.
Owner:TOKYO ELECTRON LTD

A method and system for detecting damage to concrete pavement

This application relates to the field of concrete testing technology, specifically to a method and system for detecting damage to concrete pavements. The method includes: acquiring ultrasonic signals from each ultrasonic test of the concrete pavement; defining the time interval between each ultrasonic test and the previous ultrasonic test as the interval before each ultrasonic test; acquiring the temperature and humidity at each moment within the interval; and the test temperature for each ultrasonic test; calculating the signal anomaly degree of each ultrasonic test; calculating the relative temperature-humidity ratio, relative temperature difference, and cumulative anomaly; calculating the environmental correlation and cumulative damage degree of each ultrasonic test; obtaining the evaluation coefficient for each ultrasonic test; and evaluating the damage to the concrete pavement. This application can eliminate interference caused by the uneven mixing of the concrete itself within the concrete pavement, improving the accuracy of detecting freeze-thaw cycle damage within the concrete pavement, and enabling sensitive detection of early, minute freeze-thaw damage within the concrete pavement.
Owner:大连禾圣科技有限公司 +1

Method and device for eliminating coal seam interference in accurate identification of gas well reservoirs

The present application relates to gas well reservoir identification method technical field, it is a kind of gas well reservoir accurate identification method and device for eliminating coal seam interference, including using while drilling gamma curve, resistivity curve and lithology logging coal content ratio, confirm the existence of coal seam;Dynamic influence factor is calculated;Based on gas logging data correction formula, obtain the gas logging correction value of any depth point, based on resistivity correction formula, obtain correction resistivity;Combining gas logging correction value, correction resistivity, gas logging humidity ratio and acoustic time difference, distinguish reservoir type.The present application first corrects gas logging data and logging resistivity, eliminates the influence of coal seam on the gas logging data and the resistivity data, effectively removes the abnormal interference of coal seam on gas logging data and logging data, then combines the gas logging correction value, correction resistivity obtained after correction, gas logging humidity ratio and acoustic time difference, comprehensively determines whether the target layer is gas layer, and the present application improves the precision and efficiency of gas layer identification.
Owner:CNPC XIBU DRILLING ENG +1

A smart wired controller for air conditioning

This invention discloses an intelligent wired controller for an air conditioner, comprising: a radar sensor that transmits radio waves to a detection area, receives and outputs reflected signals at various times; an infrared sensor that detects infrared radiation information from the human body within the detection area and outputs voltage signals at various times; a humidity sensor that detects humidity values ​​and compares them with a preset humidity threshold, outputting a humidity comparison result; a network-connected main control MCU that acquires environmental information at the current detection time, including temperature values ​​and time period detection results; a target model that is determined from multiple pre-trained models based on the humidity comparison result; radar detection results obtained by preprocessing the reflected signals and using the target model; infrared detection results obtained by using the voltage signals; and a final detection result for the current detection time determined based on the time period detection result, radar detection result, and infrared detection result. An air conditioner control module controls the operating state of the air conditioner accordingly. The wired controller of this invention can accurately detect whether there are people in the area and automatically control the air conditioner's status.
Owner:GUANGZHOU INSTITUTE OF TECHNOLOY XIDIAN UNIVERSITY +1

Air conditioning box, air conditioning system, control method of air conditioning system and vehicle

The invention discloses an air conditioning box, an air conditioning system, a control method of the air conditioning system and a vehicle, and relates to the technical field of automobile thermal management. The air conditioning box comprises a box body, a first space and a second space are formed in the box body, and an air outlet of any one of the first space and the second space is independent of an air inlet of the other one of the first space and the second space; the first heat exchange core body is located at the air inlet of the first space; the second heat exchange core body is located at the air inlet of the second space; the first air door is arranged in the box body and located between the first space and the second space, and the first space is communicated with or separated from the second space through the first air door. According to the novel air conditioning cabinet, the problem that the heat-humidity ratio in a vehicle cannot be adjusted can be solved on the premise that the arrangement space, the weight and the cost of the air conditioning cabinet are not additionally increased.
Owner:SHANGHAI LIXIANG AUTOMOBILE CO LTD

Air port for local humidification and local humidification method

According to the air port for local humidification and the local humidification method, a ventilation structure and a humidification structure can be integrated, the structure is simple, and the installation space is saved. The air port (1) for local humidification comprises a mounting shell (10) used for being mounted on a device main body, and comprises an outer layer humidification pipe assembly (30) which is attached to the mounting shell (10) and is used for sending wet air with preset humidity to a target microenvironment, and an inner layer humidification pipe assembly (30) which is attached to the mounting shell (10) and is used for sending wet air with preset humidity to the target microenvironment, and the inner-layer ventilation pipe assembly (20) is nested in the outer-layer humidification pipe assembly (30) and is used for sending air with the humidity lower than the preset humidity to the target microenvironment.
Owner:COMMERCIAL AIRCRAFT CORP OF CHINA LTD +1

Composite heat exchange air conditioner fresh air system capable of independently controlling temperature and humidity

The invention belongs to the technical field of air conditioning, and discloses a composite heat exchange air conditioner fresh air system with independent temperature and humidity control, which is characterized in that temperature and humidity data are collected before return air branch pipes converge into a main pipe and are used for calculating the net sensible heat load and the net latent heat load of the system, and heat exchange coil pipes which are physically separated are regulated and controlled in a differentiated manner according to the decoupled load information; the system further calculates the change acceleration of the latent heat load, and when the acceleration reaches a judgment value, the absolute moisture content of indoor air and the absolute moisture content of outdoor air are compared firstly, and then the instantaneous disturbance suppression operation of increasing fresh air dilution or converting into internal circulation powerful dehumidification is executed. According to the method, energy is accurately distributed to dominant load types according to needs, so that structural supercooling and invalid reheating caused by unknown load properties are avoided, and a disturbance suppression mechanism based on comparison of load acceleration and internal and external humidity is used for avoiding decision errors in extreme weather.
Owner:SHANGHAI LIPAI ENERGY SAVING TECH CO LTD

Air conditioner temperature and humidity self-adaptive nonlinear control method

This invention relates to an adaptive nonlinear control method for air conditioning temperature and humidity, comprising the following steps: Step 1: Establishing a nonlinear dynamic model of the air handling unit's temperature and humidity control system using humidity source intensity, heat load, outdoor humidity ratio, and outdoor temperature as unknowns, and then performing system transformation; Step 2: Constructing a serial-parallel estimation model to obtain estimated values ​​for humidity source intensity and heat load; Step 3: Establishing a humidity control signal to control indoor humidity to reach the desired value, and designing a first humidity source intensity adaptive law to handle the estimated humidity source intensity; Step 4: Constructing a virtual control signal and a heat load adaptive law to handle the heat load, and designing a first Young's inequality and a second humidity source intensity adaptive law to handle the estimated humidity source intensity; Step 5: Designing a second Young's inequality to handle unknown changing humidity ratio and unknown changing temperature; Step 6: Establishing a temperature control signal to control indoor temperature to reach the desired value; This technical solution offers high control accuracy.
Owner:SHANDONG JIANZHU UNIV

Waste residue drying control system

The utility model provides a waste residue drying control system, and belongs to the technical field of waste treatment. The waste residue drying control system comprises a temperature detection module, a fan, a fan control module, a humidity detection module, a filtering module, a humidity comparison module, a central control module, a first switch and a hot steam flow control module, the output end of the temperature detection module is connected with the hot steam flow control module, and the temperature detection module is used for detecting the temperature in the drying reaction tank; the control end of the fan is connected with the output end of the fan control module, and the fan is used for providing ventilation conditions for the drying reaction tank; the humidity detection module is respectively connected with the input end of the fan control module, the filtering module and the humidity comparison module; the humidity detection module is used for detecting the humidity in the drying reaction tank; the first switch is connected with the hot steam flow control module, the filtering module and the central control module. According to the invention, the drying effect can be improved.
Owner:河北中增智能科技有限公司

Ammonia quantitative monitoring method facing olfactory sensor hetero-directional response and edge computing

The application discloses an ammonia quantitative monitoring method facing anisotropic response of an olfactory sensor and edge calculation, belongs to the technical field of gas monitoring, and specifically comprises the following steps: constructing an anisotropic response double-sensor array; collecting voltage signals and environmental temperature and humidity data in real time; performing anisotropic response logic gate determination on two voltage signals; storing voltage values and temperature and humidity data corresponding to effective signals into a sliding window buffer, extracting time domain statistical features and dynamic trend features, combining temperature and humidity to construct voltage-temperature ratio and voltage-humidity ratio as physical cross features, and obtaining feature vectors after standardization; inputting the feature vectors into a lightweight neural network model deployed at the microcontroller end, and outputting ammonia concentration values after nonlinear calibration and temperature and humidity compensation. The application realizes high-reliability real-time quantitative monitoring of ammonia by inhibiting environmental common-mode interference through anisotropic response logic gating, and realizing temperature and humidity adaptive compensation through physical cross features and an edge neural network.
Owner:SHENZHEN YUANJIAN SENSING TECH CO LTD

Design method of medium-temperature cold water central air-conditioning system

The invention relates to a design method of a medium-temperature cold water central air-conditioning system, belongs to the technical field of energy-saving air-conditioning system design, and solves the blank of the design method of the medium-temperature cold water central air-conditioning system in the prior art. The design method comprises the following steps of S1, initial data extraction and initial judgment, wherein whether the model selection design of a conventional fresh air handling unit and a fan coil needs to be adjusted or not is determined; s2, the indoor heat-humidity ratio is calculated, and an air supply state point is determined; s3, the dehumidification amount of the fresh air handling unit and the fan coil is calculated; s4, setting equipment type selection parameters; s5, the dehumidification capacity of the fresh air handling unit is evaluated; s6, evaluating the dehumidification capability of the fan coil; and S7, determining the water supply temperature of the system. According to the design of the medium-temperature cold water central air-conditioning system, working conditions can be designed according to different climate areas, the water supply temperature is determined, compared with a normal-temperature system (7 / 12 DEG C), the evaporation temperature of a water chilling unit is higher, the COP of the system can be improved, and energy conservation of an air conditioner is achieved.
Owner:CHINA ARCHITECTURE DESIGN & RES GRP CO LTD

A composite heat exchange air conditioning fresh air system with temperature and humidity independent control

The present application belongs to air conditioning technical field, disclose a kind of temperature and humidity independent control's composite heat exchange air conditioning fresh air system, comprising: each return air branch pipe imports total pipe before collecting temperature and humidity data, to calculate the net sensible heat load and net latent heat load of system, and according to this decoupled load information differentiation control physical separation heat exchange coil;System also calculates the acceleration of latent heat load variation, when the acceleration reaches the determination value, then compare the absolute moisture content of indoor and outdoor air, then execute the instantaneous disturbance suppression operation of increasing fresh air dilution or turning into internal circulation strong dehumidification, the present application is decoded to un-mixed load information before energy processing, and energy is accurately distributed to the load type dominated as needed, thereby avoid structural overcooling and invalid reheating caused by unknown load nature, and the disturbance suppression mechanism based on load acceleration and indoor and outdoor humidity comparison is used to avoid decision-making error in extreme weather.
Owner:SHANGHAI LIPAI ENERGY SAVING TECH CO LTD

Method, system, equipment and medium for identifying tight sandstone gas reservoir fluid

The invention provides a method, a system, equipment and a medium for identifying tight sandstone gas reservoir fluid. The method comprises the following steps: collecting gas logging abnormal well section data and logging data of a target section; obtaining gas logging derivation parameters based on the gas logging abnormal well section data and the logging data, wherein the gas logging derivation parameters comprise a hydrocarbon slope and a humidity ratio; standard deviations of gas logging derived parameters of different reservoir sections are calculated; constructing a three-dimensional fluid identification chart according to the hydrocarbon slope, the humidity ratio and the standard deviation; according to the three-dimensional fluid identification plate, reservoir fluid properties are judged; according to the method, on the basis of fully considering the relationship between the gas logging derived parameters and the fluid types, the centralized dispersion degree of different reservoir derived parameters is introduced, and the three-dimensional chart is constructed based on the parameters, so that fluid identification is realized, and the problem that logging interpretation is difficult under the condition that gas logging display of part of wells is high but water is discharged through testing can be effectively solved.
Owner:PETROCHINA CO LTD

Air humidity-based multi-connected air conditioner energy-saving prediction method and multi-connected air conditioner

PendingCN122281418AHumidity ratioEnvironmental engineering
This invention relates to the field of multi-split air conditioning technology, and provides a method for predicting energy-saving performance of multi-split air conditioning systems based on air humidity, as well as a multi-split air conditioning system itself. The method includes: collecting relative humidity data of the indoor environment in the room where each indoor unit is located using humidity sensors in each indoor unit; transmitting the relative humidity data from the indoor unit to the outdoor unit, and then uploading it from the outdoor unit to a centralized control device; determining humidity characteristic parameters based on the relative humidity data of each indoor unit; comparing the humidity characteristic parameters with parameters of a preset humidity scenario model to obtain a humidity comparison result; determining the current indoor environmental conditions based on the humidity comparison result; and generating energy-saving reminder information based on the current indoor conditions. This invention enables automatic diagnosis and targeted guidance of the root causes of inefficient operation of multi-split air conditioning systems, effectively improving the operational energy efficiency and intelligent management level of multi-split air conditioning systems.
Owner:青岛海尔暖通空调设备有限公司 +2