Fluorescent Adhesive Sheet for Insect Trapping
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Solution Overview
Problem
Existing insect traps using ultraviolet rays are limited in their ability to attract a wide range of flies, as they primarily rely on ultraviolet light and do not effectively utilize visible light wavelengths, such as blue light, which are also attractive to flies.
Innovation Solution
An insect trapping unit comprising an adhesive sheet with a fluorescent whitening agent that is transparent to ultraviolet rays and a reflective member to enhance the reflection of ultraviolet rays, converting them into blue light, thereby increasing the illuminance and attracting a broader range of flies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If only ultraviolet light is used to attract insects, then the trap structure is simple, but the wavelength band for attracting insects is limited
Solution Approach 1:
A fluorescent whitening agent is introduced as an intermediary substance between the ultraviolet light source and the adhesive sheet. This agent absorbs ultraviolet light and converts it to blue light through fluorescence, effectively expanding the wavelength band without requiring additional light sources or complex structures
Solution Approach 2:
The optical properties of the adhesive sheet are modified by incorporating a fluorescent whitening agent, which changes the light emission spectrum from purely ultraviolet to include visible blue light. This parameter change in light wavelength enables attraction of a broader range of insects
2Productivity
If a reflective member is added to enhance ultraviolet ray reflection, then the insect attraction capability is improved, but the device complexity increases
Solution Approach 1:
The reflective member, which could be considered an additional component increasing complexity, is strategically positioned to reflect ultraviolet light that would otherwise be wasted. By converting this potentially harmful or useless reflected UV light into useful attraction light through the fluorescent agent, the system improves insect attraction capability
Solution Approach 2:
The reflective member is integrated with the adhesive sheet assembly, and its function is merged with the fluorescent whitening agent to create a combined light-enhancement system. This integration allows the reflective member to work synergistically with the fluorescent agent rather than as a separate functional element
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
The solution efficiently attracts a greater number of flies by widening the wavelength band that attracts insects, improving the insect trapping capability and making the trap's effectiveness visually apparent.
Implementation Method 1
an adhesive sheet with a fluorescent whitening agent that is transparent to ultraviolet rays... converting them into blue light
Implementation Method 2
a reflective member configured to reflect ultraviolet rays transmitted through the adhesive sheet
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
An insect trapping unit (1) that is provided with an adhesive sheet (10) that includes a fluorescent brightening agent (103) and that can transmit ultraviolet rays, and with a reflective member (20) that reflects ultraviolet rays that have been transmitted through the adhesive sheet. The adhesive sheet is provided with an adhesive surface (101) and with a rear surface (102) that is on the opposite side from the adhesive surface. The reflective member faces the rear surface of the adhesive sheet.