Projector Lamp Cooling via Airflow Segmentation
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Solution Overview
Problem
The cooling structures of desktop and ceiling-mounted projectors are not interchangeable, leading to instability in the temperature of the light-source lamp, which affects its lifespan.
Innovation Solution
A guiding passage with a block at its outlet divides the airflow into two streams, ensuring that both portions of the light-source lamp are effectively cooled, regardless of the projector's mounting type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a cooling structure is designed for desktop projectors, then the light-source lamp temperature is stable in desktop mode, but the cooling effectiveness deteriorates when mounted on the ceiling
Solution Approach 1:
The cooling structure is divided into multiple independent airflow channels (first cooling airflow passage and second cooling airflow passage), each targeting different portions of the light-source lamp. This segmentation allows each channel to be optimized for specific cooling zones while maintaining overall effectiveness across different mounting orientations.
Solution Approach 2:
Different regions of the light-source lamp are provided with differentiated cooling arrangements. The first cooling airflow passage is positioned to cool the first portion of the lamp, while the second cooling airflow passage cools the second portion, ensuring localized optimal cooling for each region regardless of projector orientation.
2Temperature
If a cooling structure is designed for ceiling-mounted projectors, then the light-source lamp temperature is stable in ceiling-mounted mode, but the cooling effectiveness deteriorates when placed on a desktop
Solution Approach 1:
The cooling structure is divided into multiple independent airflow channels (first cooling airflow passage and second cooling airflow passage), each targeting different portions of the light-source lamp. This segmentation allows each channel to be optimized for specific cooling zones while maintaining overall effectiveness across different mounting orientations.
Solution Approach 2:
Different regions of the light-source lamp are provided with differentiated cooling arrangements. The first cooling airflow passage is positioned to cool the first portion of the lamp, while the second cooling airflow passage cools the second portion, ensuring localized optimal cooling for each region regardless of projector orientation.
3Device complexity
If a single cooling airflow channel is used, then the device complexity is low, but the temperature stability of the light-source lamp deteriorates
Solution Approach 1:
The cooling structure is divided into multiple independent airflow channels (first cooling airflow passage and second cooling airflow passage), each targeting different portions of the light-source lamp. This segmentation allows each channel to be optimized for specific cooling zones while maintaining overall effectiveness across different mounting orientations.
Solution Approach 2:
Multiple cooling airflow passages are merged into a unified cooling system that works协同 to cool different portions of the light-source lamp. The fan blows air that is distributed through both passages simultaneously, combining their cooling effects to achieve comprehensive temperature stability.
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 stabilizes the temperature of the light-source lamp, extending its lifespan and maintaining performance whether the projector is used on a desk or ceiling-mounted.
Implementation Method 1
a cooling structure, which uses a fan to blow an external air flow into the casing of the projectors for cooling the heat produced by the heat source
Implementation Method 2
when an air flow passes the block, the air flow is divided into a first air flow and a second air flow
Implementation Method 3
The first air flow cools the first portion of the light-source lamp
Implementation Method 4
The second air flow cools the second portion of the light-source lamp
Data Source
AI summary
The invention discloses a projector including a light-source device, a guiding passage, and a fan. The light-source device includes a light-source lamp for emitting light. The guiding passage has an outlet and an inlet. There is a block disposed in the vicinity of the outlet. The outlet of the guiding passage is connected to the light-source device, and the inlet of the guiding passage is connected to the fan. The fan blows an air flow into the guiding passage. When the air flow passes through the block disposed in the vicinity of the outlet, the air flow will be divided into a first air flow and a second air flow. Afterward, the first air flow cools a first portion of the light-source device, and the second air flow cools a second portion of the light-source device. Accordingly, temperature of the light-source lamp can be stably maintained.