Nursing Bed Warning System with Pull-Cord and IoT Voice Control
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Solution Overview
Problem
Conventional bedside warning systems are cumbersome, difficult to install, and require users to search for buttons, making them hard to use in emergencies, especially for patients with mobility issues, and often fail to provide timely assistance due to their size and complexity.
Innovation Solution
A smart warning system for nursing beds featuring a pull-cord switch, voice interaction control module connected to the Internet of Things, and a compact design that allows easy installation and operation, enabling patients to call for help from any position on the bed and automating emergency responses through connected devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional bedside warning devices are used, then the alarm function is provided, but the devices are large and difficult to carry, and users cannot operate them timely in emergencies
Solution Approach 1:
The warning device is integrated into the nursing bed structure, separating the alarm function from a standalone portable device. The pull-cord switch is distributed to multiple locations on the bed frame, allowing users to trigger the alarm from any position without carrying or searching for a centralized device.
Solution Approach 2:
The warning device is merged with the nursing bed structure itself, combining the bed frame and the alarm system into a single integrated unit. This eliminates the need for separate portable devices while maintaining immediate accessibility through the pull-cord mechanism attached to the bed structure.
2Reliability
If conventional warning devices are installed, then alarm functionality is achieved, but the installation is complicated requiring wall embedding during decoration
Solution Approach 1:
The warning device is divided into modular components that can be independently installed on the nursing bed frame without requiring wall embedding. The pull-cord switch and alarm unit are separate assemblies that can be mounted separately, simplifying the overall installation process while maintaining reliable alarm functionality.
Solution Approach 2:
The nursing bed frame serves as an intermediary structure between the wall and the alarm device. Instead of embedding the alarm directly in the wall, it is mounted on the movable bed frame, which provides both structural support and operational flexibility while simplifying installation and maintenance.
3Ease of operation
If conventional ward call devices are used, then basic call function is provided, but the devices are relatively large and not easy to carry
Solution Approach 1:
The call function is merged with the nursing bed structure itself, eliminating the need for separate portable call devices. The pull-cord switch integrated into the bed frame provides the same emergency calling function while being inherently portable since it moves with the bed.
Solution Approach 2:
The warning device is made dynamic by attaching it to the movable nursing bed frame rather than fixing it to the wall. This allows the device to move with the bed, maintaining optimal positioning and accessibility regardless of bed movement, while eliminating the need for users to carry the device.
4Reliability
If conventional warning devices are used, then alarm function is provided, but maintenance is difficult due to complex installation
Solution Approach 1:
The warning device is segmented into modular components mounted on the nursing bed frame, allowing individual parts to be accessed, removed, or replaced independently. This modular construction simplifies maintenance compared to wall-embedded installations where components are difficult to access.
Solution Approach 2:
The nursing bed frame acts as an intermediary that facilitates maintenance by providing easy access to the alarm components. Since the device is mounted on the movable bed rather than embedded in the wall, maintenance personnel can easily access and service the components by simply moving or adjusting the bed position.
Data Source
AI summary
A smart warning system for nursing beds includes a main body shell, a button switch, a control circuit board, a pull-cord switch, a power module and a warning device. The main body shell is secured to a headboard. The control circuit board and the power module are arranged in the main body shell. The pull-cord switch is arranged on the main body shell. The button switch is arranged on the main body shell. The control circuit board is wirelessly connected to the warning device. The warning device includes a voice interaction control module. The voice interaction control module is wirelessly connected to external terminals. There is further provided a pull-cord switch which can be triggered by the user regardless of any position on the bed in an emergency. The voice interaction control module is connected to the Internet of Things, which automatically dials for emergency contact.