Duplex Bluetooth Tire Pressure Sensing for Low-Power Wheel Locating
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Solution Overview
Problem
Conventional tire pressure detectors suffer from power-consuming one-way data transmission, leading to prolonged locating times, repeated data transmission during vehicle stops, and errors in data reception, which wastes time and energy.
Innovation Solution
A duplex Bluetooth transmission system with a host and Bluetooth tire pressure detectors that enable simultaneous locating and tire condition detection, allowing for efficient control of data transmission through a host and vehicle transceivers, reducing locating time and energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the tire pressure detector transmits locating data continuously for 10 minutes, then the transceiver host can obtain complete locating information, but the power consumption increases and time is wasted
Solution Approach 1:
The patent implements periodic transmission of locating data at predetermined time intervals instead of continuous transmission. The tire pressure detector transmits locating information periodically, allowing the transceiver host to accumulate complete locating data over time while significantly reducing power consumption and avoiding unnecessary continuous transmission.
Solution Approach 2:
The patent performs preliminary locating calculations and data preparation in advance. The tire pressure detector completes the locating computation beforehand and stores the results, then transmits them periodically. This preliminary action reduces the need for continuous real-time calculations and transmissions, thereby reducing power consumption while maintaining data completeness.
2Reliability
If the tire pressure detector re-transmits locating data after vehicle restart, then the transceiver host can obtain valid data, but time is wasted in repeated transmission
Solution Approach 1:
The patent performs preliminary locating calculations and data validation in advance before vehicle operation. The tire pressure detector completes locating computations beforehand and prepares valid data for transmission. When the vehicle restarts, the pre-computed valid data can be transmitted quickly without requiring full re-transmission, reducing time loss while ensuring data validity.
Solution Approach 2:
The patent implements a feedback mechanism where the transceiver host receives and validates locating data, then provides feedback to the tire pressure detector. Based on this feedback, the system determines whether re-transmission is necessary after vehicle restart, avoiding unnecessary repeated transmissions while ensuring valid data is received, thus reducing time loss.
3Device complexity
If the tire pressure detector transmits locating data at fixed intervals, then the transmission process is simple, but the transceiver host cannot receive continuous valid data when errors occur
Solution Approach 1:
The patent implements feedback control where the transceiver host monitors received locating data for errors and provides feedback to the tire pressure detector. When errors are detected, the system can request re-transmission or adjust transmission parameters, ensuring continuous valid data reception while maintaining relatively simple transmission control through the feedback loop.
Solution Approach 2:
The patent introduces dynamic adjustment to the fixed interval transmission system. Based on error detection and feedback, the transmission intervals or parameters can be dynamically adjusted to ensure continuous valid data reception. This dynamic element maintains data reliability while keeping the overall system relatively simple through adaptive rather than purely static control.
Data Source
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AI summary
A duplex Bluetooth transmission tire pressure system is provided. The duplex Bluetooth transmission tire pressure system includes a host, a plural of Bluetooth tire pressure detectors and a plural of vehicle transceivers; the host is electrically connected to the plural of vehicle transceivers; the plural of vehicle transceivers and the plural of Bluetooth tire pressure detectors are Bluetooth duplex packet transmitted. The plural of Bluetooth tire pressure detectors includes a locating program and a tire condition program. The host commands the vehicle transceiver to transmit a Bluetooth controlling packet to the plural of Bluetooth tire pressure detectors to operate or stop the locating program and limit the tire condition program.