Movable Guiding Tube for Projector Lampwick Heat Dissipation
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Solution Overview
Problem
Conventional projector designs fail to effectively control the temperature difference between the upper and lower surfaces of the lampwick, leading to potential damage from overheating due to inadequate airflow guidance, especially when the projector is used in various position states.
Innovation Solution
An illumination module with a guiding tube that can move relative to the light source, allowing airflow to be directed to regions of high heat accumulation, using an airflow generator and additional weight structures to facilitate gravity-induced movement of the guiding tube between positions, ensuring airflow directly addresses heat dissipation needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional airflow guidance methods are used, then the device structure is simple, but the temperature control effectiveness deteriorates when the projector is used in various position states
Solution Approach 1:
The guiding tube is designed to be movable relative to the light source, transitioning between a first position for upright usage and a second position for upside-down usage. This dynamic adjustment allows the airflow to always reach the upper surface of the lampwick regardless of projector orientation, resolving the contradiction between simple structure and adaptability to various positions.
Solution Approach 2:
The position parameter of the guiding tube is changed based on the usage state. When the projector is upright, the guiding tube is in the first position; when upside-down, it moves to the second position. This parameter change enables the system to adapt to different orientation conditions while maintaining effective temperature control.
2Reliability
If the guiding tube is fixed, then the device complexity is low, but the ability to direct airflow to high heat accumulation regions deteriorates
Solution Approach 1:
The guiding tube incorporates a movement mechanism that allows it to adjust its position dynamically. This dynamic capability enables the guiding tube to direct airflow precisely to the upper surface of the lampwick where heat accumulates, improving heat dissipation effectiveness while accepting increased device complexity.
Solution Approach 2:
The guiding tube utilizes gravity as a natural force to automatically move to the appropriate position based on the projector's orientation. When the projector is upside-down, gravity causes the guiding tube to swing to the second position, eliminating the need for complex active control systems and reducing overall device complexity.
3Reliability
If airflow is not directed to the upper surface, then the structure is simple, but the temperature difference between upper and lower lampwick surfaces increases causing damage
Solution Approach 1:
The guiding tube is designed to move dynamically to position itself optimally for directing airflow. This dynamic positioning ensures that airflow always reaches the upper surface of the lampwick, the critical heat dissipation zone, thereby protecting the lampwick from excessive temperature differences without requiring overly complex fixed structures.
Solution Approach 2:
The system uses gravity as a self-service mechanism to automatically position the guiding tube correctly. When the projector orientation changes, gravity naturally causes the guiding tube to swing to the appropriate position, eliminating the need for complex active control mechanisms while ensuring effective heat dissipation and lampwick protection.
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 solution effectively dissipates heat from the upper surface of the lampwick, maintaining a controlled temperature difference and preventing overheating, regardless of the projector's orientation, thus protecting the light source.
Implementation Method 1
The airflow generator generates an airflow to dissipate heat from the light source
Implementation Method 2
The additional weight structure is capable of generating a moving torque (e.g. a swinging toque) relative to a pivot joint between the guiding tube and the supporting element
Data Source
AI summary
An illumination module includes a light source, a supporting element, a guiding tube and an airflow generator. The supporting element is fixed relative to the light source. The guiding tube is pivoted to the supporting element and adjacent to the light source. The guiding tube is capable of moving between a first position and a second position relative to the light source. The airflow generator has an airflow outlet and is capable of generating an airflow. The airflow outlet is adjacent to the guiding tube. The airflow flows into the light source through the guiding tube. The invention also provides a projector with the illumination module.