Wearable Strap Airbag Layout for Cleaner Blood Pressure Venting
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Solution Overview
Problem
Wearable devices experience uncomfortable wearing during blood pressure measurement due to the airbag positioning causing dust accumulation at the vent and occupying space in the bottom housing.
Innovation Solution
The vent is positioned on the side wall of the device body, with the airbag attached to the inner side of the watch strap body, allowing the airbag to be inflated without discomfort and covering the vent, thus preventing dust accumulation and reducing device thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the airbag is fastened to the bottom housing of the wearable device, then the airbag can be inflated to detect health indicators, but the vent is exposed on the bottom housing causing dust to gather and the device becomes thicker
Solution Approach 1:
The airbag is extracted from the bottom housing and relocated to the watch strap body. The vent is moved from the bottom housing to the side wall, allowing the airbag to be inflated through the side wall vent while the bottom housing remains closed and dust-free.
Solution Approach 2:
The airbag positioning is changed from a vertical arrangement (bottom housing) to a horizontal arrangement (side wall). This dimensional change allows the vent to be positioned on the side wall where it can be covered by the watch strap body, preventing dust accumulation while maintaining inflation functionality.
2Reliability
If the airbag is fastened to the bottom housing, then the airbag can be inflated, but the device body becomes thicker due to space occupation
Solution Approach 1:
The airbag is extracted from the bottom housing space and relocated to the watch strap body. This removes the need for additional thickness in the device body to accommodate the airbag, allowing the device to maintain a thinner profile while still enabling blood pressure measurement functionality.
3Ease of operation
If the airbag is attached to the inner side of the watch strap body, then the airbag implements good attaching function on the wrist and wear comfort is improved, but the vent must be positioned on the side wall requiring structural modification
Solution Approach 1:
The device is segmented into functional modules: the airbag and vent are separated from the main device body structure. The vent is positioned on the side wall while the airbag is attached to the watch strap body, allowing independent optimization of each component's function without requiring complex integration.
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
Improves wear comfort during blood pressure measurement by ensuring the airbag is well-attached to the wrist and avoids dust accumulation at the vent, maintaining a thinner device design.
Implementation Method 1
an air flow channel is provided at one end of the first watch strap body, the first air nozzle is in communication with one end of the air flow channel, the other end of the air flow channel is in communication with the vent
Data Source
AI summary
Embodiments of this application provide a wearable device and a wearable system. The wearable device includes a device body, and a vent is provided on a side wall of the device body. One watch strap assembly includes a first watch strap body and an airbag, the airbag is detachably attached to an inner side of the first watch strap body, one end of the airbag includes a first air nozzle, the first air nozzle is in communication with one end of an air flow channel at one end of the first watch strap body, the other end of the air flow channel is in communication with the vent when the first watch strap body is connected to the side wall of the device body, an end that is of the first watch strap body and that is connected to the device body covers the vent, a pressure measurement assembly in the device body is in communication with the vent, and the pressure measurement assembly inflates the airbag through the vent. According to the wearable device provided in embodiments of this application, a good attaching effect between the airbag and a wrist in a wearing process and a blood pressure measurement process of the wearable device is implemented. This improves wearing comfort of the wearable device in the wearing process and the blood pressure measurement process, and avoids a problem that dust tends to gather at the vent in the wearable device.