Oven Door Handle Camera Layout for Heat-Safe Chamber Monitoring
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Solution Overview
Problem
Existing domestic appliances with cameras in heated treatment chambers require special insulation and cooling, and external cameras need stable holding devices, increasing complexity, while cameras outside the chamber may not provide clear views due to protrusions.
Innovation Solution
The camera is integrated into the oven door handle, eliminating the need for additional insulation or cooling and providing a stable mounting with a glass panel for thermal insulation and visibility, connected via wire or wireless to a picture displaying device for real-time monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the camera is arranged inside the heated treatment chamber, then the camera can directly monitor the interior, but the camera requires special housing, thermal insulation, and cooling to prevent destruction by heat
Solution Approach 1:
The camera is extracted from the heated treatment chamber environment and relocated to the door handle, which is outside the heated zone. This eliminates the need for thermal insulation and cooling systems while maintaining the monitoring function through the transparent door panel.
Solution Approach 2:
The transparent door panel serves as an intermediary medium that allows the camera positioned outside the treatment chamber to capture images of the interior. This mediator enables monitoring without direct exposure to heat.
2Reliability
If the camera is arranged outside the treatment chamber, then the camera avoids heat damage, but the camera requires a special holding device that protrudes the appliance
Solution Approach 1:
The door handle, originally designed solely for opening the door, is given an additional function by integrating the camera into it. This multi-functional use eliminates the need for separate holding devices or mounting structures.
Solution Approach 2:
The camera mounting function is merged with the existing door handle structure. The door handle serves both its original purpose of door operation and the new function of camera support and positioning.
3Measurement precision
If a transparent door panel is used for camera viewing, then the camera can see through the door, but thermal insulation is compromised
Solution Approach 1:
The door is designed with differentiated local properties: the central region contains a transparent panel for camera viewing, while the peripheral regions use insulating materials. This local differentiation allows optical transparency where needed while maintaining thermal insulation elsewhere.
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
This arrangement simplifies the installation and operation of the camera, ensuring stable operation and clear views of the cooking chamber without additional housing or cooling, while allowing for automatic function activation and three-dimensional food recognition.
Implementation Method 1
The door includes at least one glass panel. The glass panel provides transparency and thermal insulation.
Implementation Method 2
the camera is provided for detecting reflections on an outer side of the door in order to recognize movements in front of the domestic appliance
Implementation Method 3
the domestic appliance comprises at least one illumination device arranged at an outer side of the door and directed into the interior of the treatment chamber
Data Source
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AI summary
The present invention relates to a domestic appliance, in particular a cooking oven (10), with a camera (18). The domestic appliance (10) comprises a treatment chamber (12) and a door (14) for opening and closing the treatment chamber (12). The door (14) includes a window or a transparent part. The door (14) includes a door handle (16) arranged at an outer side of said door (14). The camera (18) is arranged inside the door handle (16), wherein the lens coverage (20) of the camera (18) extends from said camera (18) through the window or transparent portion of the door (14) into the interior of the treatment chamber (12). Picture signals generated by the camera (18) are represented or representable by a picture displaying device, wherein said picture displaying device is a part of the control unit of the domestic appliance (10) and/or a part of an external device connected or connectable to said domestic appliance (10).