Vehicular Door Handle Locking Control Logic
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Solution Overview
Problem
Existing vehicular remote locking and unlocking control systems face issues with door handles becoming structurally complex and expensive due to the close positioning of locking and unlocking triggers, leading to potential accidental locking and increased production costs, while also wasting battery power through excessive authenticating communications.
Innovation Solution
A vehicular remote locking and unlocking control apparatus with a monitoring system that detects simultaneous operation of locking and unlocking triggers, preventing accidental locking, and inhibiting transmission requests during specific periods to reduce communication cycles and power consumption, thus maintaining a simple and cost-effective door handle design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If both door locking trigger means and door unlocking trigger means are disposed on the door handles in close proximity, then the ease of operation is improved, but the reliability deteriorates due to potential simultaneous operation causing accidental locking
Solution Approach 1:
The control unit monitors the unlocking trigger means operation status in advance before executing the locking operation. When the unlocking trigger means is detected to be operated, the control unit prevents the locking operation from being executed, thereby avoiding accidental locking while maintaining close positioning of both triggers for ease of operation
2Reliability
If two independent pushbutton switches are incorporated into the door handle with recesses to prevent inadvertent pressing, then the reliability is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent extracts the preventive function from the physical structure (recesses) and implements it through software control logic. Instead of modifying the physical structure of the triggers with recesses, the control unit monitors the operation status and prevents locking execution through logical judgment, thereby reducing device complexity and manufacturing cost while maintaining reliability
3Ease of operation
If authenticating communications are continuously performed whenever trigger means are operated, then the ease of operation is maintained, but the energy consumption increases due to excessive communication cycles
Solution Approach 1:
The control unit performs preliminary monitoring of the unlocking trigger means operation status before initiating authenticating communications. By detecting whether the unlocking trigger means is operated in advance, the system avoids unnecessary communication cycles and reduces energy consumption while maintaining responsive operation when needed
Data Source
AI summary
A vehicular remote locking and unlocking control apparatus includes a door locking instruction switch for outputting a door locking instruction signal, and a door unlocking instruction touch sensor for inputting a door unlocking instruction signal. The door locking instruction switch and the door unlocking instruction touch sensor are mounted on a door handle of the vehicle. After the door locking instruction signal has been output from the door locking instruction switch and until a response signal from a portable radio terminal matches an identification signal for the vehicle based on communication between the vehicle and the portable radio terminal, a monitoring unit monitors whether a door unlocking instruction signal has been input from the door unlocking instruction touch sensor. If the response signal matches the identification signal, and the door unlocking instruction signal has been input, then a door unlocking signal is output.