Universal Strike Plate for Window Locking Rod Monitoring
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Solution Overview
Problem
Existing monitoring devices for window or door connecting rod fittings are not adaptable to different types of striking plates and are not suitable for right- and left-handed installations, requiring significant effort for adaptation and being incompatible with inexpensive standardized striking plates.
Innovation Solution
A monitoring device with a sensor assembly and plunger that can be easily retrofitted to existing striking plates, featuring two locking slots for precise alignment and a plunger housing with a contour matching the striking plate, allowing for use with standardized striking plates and various sensor types, including a receptacle for a control element like a magnet and a Hall sensor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a monitoring device is designed for a specific strike plate type, then detection precision is improved, but adaptability to different strike plate types deteriorates
Solution Approach 1:
The strike plate is designed with two locking slots that can accommodate locking bolts from both right- and left-hinged windows, making a single strike plate design universal for different window types. The sensor assembly can be positioned in either locking slot depending on the installation requirements.
Solution Approach 2:
The strike plate is divided into two separate locking slots that are connected by a connection element. This segmentation allows the sensor assembly to be positioned in one slot while the locking bolt engages the other, enabling flexible configuration for different window types while maintaining precise detection.
2Reliability
If a monitoring device is customized for specific applications, then detection reliability is improved, but device complexity and manufacturing effort deteriorates
Solution Approach 1:
A single strike plate design with two locking slots serves multiple purposes: it works with both right- and left-hinged windows, accommodates different sensor types, and maintains reliable detection without requiring custom designs for different applications.
Solution Approach 2:
Instead of creating different strike plates for different window types, the invention inverts the approach by creating a universal strike plate that can accommodate different window types through its dual locking slot design and flexible sensor positioning.
3Measurement precision
If a specialized strike plate is used for monitoring, then detection precision is improved, but ease of manufacture and cost deteriorates
Solution Approach 1:
The strike plate with two locking slots is a standardized design that can be mass-produced for different window types, improving ease of manufacture while maintaining precise detection through the connected locking slots that ensure proper sensor positioning.
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
Enables easy retrofitting and precise detection of the locking pin position, supporting both right- and left-handed installations and accommodating different sensor types, ensuring reliable locking status monitoring with reduced complexity and cost.
Implementation Method 1
the sensor as a Hall sensor
Data Source
Figure 1~2
Figure 3~5
AI summary
A monitoring device (7) for a window locking rod fitting (3) has a plunger housing (10) connected to a strike plate (5) and a sensor housing (9). A plunger (11) penetrates the strike plate with a stop (25) and, at an end opposite the stop (25), actuates a sensor (13) via a control element (15). Depending on the arrangement of the components, the monitoring device (7) is suitable for right- and left-hinged windows.