Dual-Opening Temperature Humidity Sensor Flow Channel Design
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Solution Overview
Problem
Conventional temperature and humidity sensing devices with a single opening design suffer from reduced sensing efficiency and accuracy due to poor air flow management, leading to suboptimal relative humidity and temperature sensing.
Innovation Solution
A temperature and humidity sensing device with a double opening design featuring an inlet hole and an outlet hole, a flow channel, and a diversion tube, which allows for unidirectional air flow through a temperature and humidity sensor, enhancing sensing efficiency and accuracy by maintaining the humidity state close to the surrounding environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single opening design is used in the temperature and humidity sensing device, then the device structure is simple, but the sensing efficiency and sensing accuracy deteriorate
Solution Approach 1:
The single opening is segmented into multiple openings (first opening and second opening) positioned at different locations on the case. This segmentation allows air to enter through multiple paths, improving the representativeness of the sensed humidity while maintaining reasonable structural complexity
Solution Approach 2:
The openings are distributed in different spatial dimensions and orientations on the case surface. This dimensional distribution ensures that air samples from different directions and locations are captured, enhancing the accuracy of environmental humidity sensing without significantly increasing device complexity
2Device complexity
If a single opening design is used in the temperature and humidity sensing device, then the device structure is simple, but the sensing efficiency deteriorates
Solution Approach 1:
The single opening is divided into multiple openings positioned at different locations. This segmentation enables parallel air intake paths, allowing the sensor to sample environmental humidity more comprehensively and efficiently, thereby improving sensing efficiency while keeping the overall structure relatively simple
Solution Approach 2:
Multiple openings serve the universal function of air intake for humidity sensing. Each opening contributes to the overall sensing function, enabling the device to efficiently capture environmental humidity data through multiple pathways without requiring complex additional components
3Device complexity
If air flow is not properly managed in the sensing device, then the device structure is simple, but the relative humidity sensing accuracy deteriorates
Solution Approach 1:
Different regions of the case are equipped with openings at strategically chosen locations to optimize air flow patterns. This local quality approach ensures that air flows through regions that are representative of the environmental conditions, improving relative humidity sensing accuracy while maintaining simple overall structure
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device significantly reduces sensing time and improves accuracy, with the relative humidity being closer to the environmental value, outperforming single opening designs by achieving consistent readings in a shorter time frame.
Implementation Method 1
air in the surrounding environment of the body flows into the flow channel from the inlet hole and flows through the flow channel to flow out from the outlet hole
Implementation Method 2
air in the surrounding environment of the body flows into the flow channel from the inlet hole and flows through the flow channel to flow out from the outlet hole
Data Source
AI summary
A temperature and humidity sensing device including a body and a temperature and humidity sensor is provided. The body has an inlet hole, an outlet hole, and a flow channel. The inlet hole and the outlet hole are opposite to each other, and the flow channel is configured to communicate the inlet hole and the outlet hole. The temperature and humidity sensor is disposed in the flow channel. The temperature and humidity sensor is configured to sense the relative humidity of air in the surrounding environment of the body during the air in the surrounding environment of the body flows into the flow channel from the inlet hole and flows through the flow channel to flow out from the outlet hole.