Presence Sensor Bracket for Sliding Door Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current automatic sliding-door power-drive assemblies face difficulties during installation and maintenance due to the location of the presence sensor within the protective casing, requiring simultaneous access by two people and complicating calibration and maintenance processes.
Innovation Solution
The presence sensor is rigidly fixed to the load-bearing longitudinal member using an intermediate supporting bracket that bypasses the protective casing, allowing independent access and simplifying installation and maintenance procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the presence sensor is fixed inside the protective casing, then the sensor is protected and integrated into the assembly, but maintenance and calibration require two people to simultaneously access both the sensor and control unit
Solution Approach 1:
The presence sensor is separated from the protective casing and mounted independently on the longitudinal member. This segmentation allows the sensor to be accessed and calibrated separately from the control unit, enabling single-person maintenance while maintaining sensor protection through its own mounting structure.
2Device complexity
If the presence sensor is mounted on the protective casing, then the assembly structure is simplified, but the sensor becomes inaccessible when the casing is removed
Solution Approach 1:
The presence sensor is extracted from the protective casing structure and mounted directly on the longitudinal member. This extraction ensures the sensor remains accessible even when the protective casing is removed, while the protective casing itself maintains its simplified structural design without integrated sensor mounting features.
3Measurement precision
If two people are required for maintenance, then simultaneous access to sensor and control unit is ensured, but maintenance time and operational complexity increase
Solution Approach 1:
By separating the sensor mounting from the control unit location, the invention enables independent access to each component. Maintenance personnel can calibrate the sensor and service the control unit sequentially without requiring simultaneous two-person access, reducing maintenance time while maintaining calibration accuracy through proper sequential procedures.
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
An automatic sliding-door power-drive assembly (1) of the type comprising: a straight load-bearing longitudinal member (2) which is arranged in a substantially horizontal position, above the sliding door (100) to be driven; at least one shutter-supporting carriage (3) which is slidingly mounted on the longitudinal member (2) parallel to the longitudinal axis (L) of the longitudinal member, and is structured so as to be fixed to the body of a sliding shutter (101) of the sliding door (100); carriage moving means (4) which are fixed on the longitudinal member (2), and are structured to move said at least one shutter-supporting carriage (3) back and forth along the longitudinal member (2); a longitudinal casing (18) which is fixed on the longitudinal member (2) so as to hide said at least one shutter-supporting carriage (3) and said carriage moving means (4), and with a presence sensor (19) which is located outside the longitudinal casing (18) and is capable of detecting the presence of things and/or people in the immediate nearby of the sliding door (100); said presence sensor (19) being attached to the longitudinal member (2) by means of a supporting bracket (20) which is rigidly fixed directly on the load-bearing longitudinal member (2) and is designed so as to step over/get around the longitudinal casing (18) and keep the presence sensor (19) stably suspended outside the longitudinal casing (18).