Wireless Sensor Dual Passage Valve for Tire Inflation Without Disassembly
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Solution Overview
Problem
Conventional tire pressure and temperature measurement methods are inconvenient as they require sensor installation and removal for each measurement, and existing permanently installed sensors still need to be removed for tire inflation.
Innovation Solution
A wireless sensor for dual passage shells that allows instant and accurate temperature and pressure detection, enabling direct tire inflation without disassembly, featuring a perpendicular transmission antenna to prevent signal attenuation, a screw-fastened battery replacement mechanism, and a hexagonal sleeve for easy assembly and anti-theft features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a sensor is permanently installed on the gas nozzle to allow continuous monitoring, then the convenience of monitoring is improved, but the sensor must be removed for tire inflation which reduces operational convenience
Solution Approach 1:
The sensor is segmented into two functional parts: a permanent monitoring component that remains on the tire valve for continuous pressure/temperature monitoring, and a removable inflation component that allows pump attachment. This segmentation enables continuous monitoring while maintaining inflation accessibility.
Solution Approach 2:
An intermediary mechanism (removable cover or adapter) is introduced between the sensor body and the inflation pump. This intermediary allows the pump to connect to the tire valve without requiring removal of the permanent sensor housing, enabling both continuous monitoring and inflation operations simultaneously.
2Volume of moving object
If the transmission antenna is placed parallel to the circuit board to save space, then the device compactness is improved, but signal transmission efficiency deteriorates due to signal attenuation
Solution Approach 1:
The transmission antenna is oriented perpendicular to the circuit board plane, transitioning from a planar (2D) layout to a three-dimensional (3D) configuration. This vertical orientation allows the antenna to extend through the sensor housing along the thickness direction, achieving optimal signal transmission without increasing the footprint area on the circuit board.
Data Source
AI summary
Disclosed is a wireless sensor for sensing temperature and pressure within a dual passage shell. The wireless sensor comprises a dual passage shell, an intake valve, an exhaust valve, a power supplying module, and a circuit board. The dual passage shell includes a cover, a base body, and a fixing receptacle. A receiving space is formed by assembling the cover and the base body. An air chamber is formed by disposing the fixing receptacle in the receiving space and by combining the base body. The base body is provided with an intake passage and an exhaust passage both communicating with the air chamber. The intake valve is provided and integrally formed within the intake passage. The exhaust valve is provided and integrally formed with the exhaust passage. Thus, a user can inflate the tire without disassembling wireless sensor, and the usage convenience of the wireless sensor is enhanced.