Astronomical Clock Mechanism for Visualizing Mars Retrograde Motion
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Solution Overview
Problem
Existing astronomical clocks do not effectively illustrate the retrograde motion of planets, such as Mars, and fail to make this phenomenon apparent to the observer, often relying on complex electrical or electronic components.
Innovation Solution
A mechanical design for an astronomical clock that uses synchronized rings and pointers to represent the Earth-Mars viewing axis, allowing the retrograde motion of Mars to be visually understood by positioning the line of sight in a rear plane, utilizing gears and linkage mechanisms to maintain the Earth-Mars alignment without obstructing the central axis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If compensating gears are used to generate retrograde motion, then the position is correct, but it is not apparent to the observer what causes the retrograde movement
Solution Approach 1:
The mechanism is divided into separate functional components: a first ring representing Earth's orbit, a second ring representing Mars's orbit, and a rod connecting guide elements on both rings to represent the line of sight. This segmentation allows each component to perform its specific function clearly, making the retrograde motion observable and understandable.
Solution Approach 2:
The invention moves the line of sight representation to a rear plane by using a rod that extends through guide elements, allowing the Earth-Mars viewing axis to be positioned behind the central axis. This dimensional rearrangement enables the retrograde motion to be visualized without obstruction and makes the cause apparent to observers.
2Ease of operation
If the line of sight is positioned in the front plane, then it is easily observable, but it obstructs the central axis and prevents free movement
Solution Approach 1:
The line of sight is repositioned from the front plane to a rear plane by extending a rod through guide elements on both rings. This allows the Earth-Mars viewing axis to be positioned behind the central axis, enabling both free movement of the central axis and clear observability of the retrograde motion phenomenon.
3Adaptability or versatility
If electrical or electronic components are used to represent planetary motion, then complex phenomena can be displayed, but the mechanical understanding and simplicity are lost
Solution Approach 1:
The invention replaces electrical or electronic display systems with a pure mechanical system using rings, pointers, and a rod to represent planetary orbits and the line of sight. This mechanical substitution maintains simplicity and mechanical understanding while still accurately representing complex planetary motion phenomena including retrograde motion.
Data Source
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AI summary
The invention relates to an astronomical clock (10) with a frame (12) comprising a frame part (14), wherein a first ring (24) is rotatably mounted on a first side (A) of the frame part (14), with which a first pointer (26) moves when moved, wherein a second ring (28) is rotatably mounted on the first side (A) of the frame part (14), which is larger than the first ring (24) and surrounds the first ring (24), wherein a third ring (30) is rotatably mounted on a second side (B) of the frame part (14), on which a first guide element (32) is rotatably mounted, wherein a fourth ring (34) is rotatably mounted on the second side (B) of the frame part (14), which is larger than the third ring (30) and surrounds the third ring (30), wherein a second guide element (35) is rotatably mounted on the fourth ring (34), wherein the first Guide element (32) and the second guide element (35) each have a guide section,a rod (38) is passed through, the rod (38) being attached to the second guide element (35) and being slidably guided on the guide section of the first guide element (32), a central shaft (40) being rotatably mounted on the frame part (14) about a central axis (40'), a second pointer (42) being fixed to the central shaft (40) on the first side (A) of the frame part (14) in a rotationally fixed manner, the first guide element (32) being coupled to the central shaft (40) via a linkage (44) such that the rod (38) and the second pointer (42) are always oriented parallel to each other.