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2 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.

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

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