Heated First-Lens Camera Module for Defogging and Defrosting
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Solution Overview
Problem
Outdoor lenses in varying weather conditions, such as wet or cold environments, experience fogging or frosting due to temperature differences, leading to reduced image sharpness and potential safety hazards, especially in vehicle and security applications.
Innovation Solution
A camera module design incorporating a heating element attached to the image side surface of the first lens, which directly transmits heat energy to defog and defrost the lens, ensuring clear imaging in humid and low-temperature conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a heating element is added to the camera module to defog and defrost the lens, then the imaging quality in humid and low-temperature conditions is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The heating element is integrated directly into the lens structure, merging the heating function with the optical component. This combination eliminates the need for separate heating devices and reduces overall system complexity while maintaining effective defogging and defrosting capabilities.
Solution Approach 2:
A heating element serves as an intermediary component that transfers thermal energy to the lens surface to prevent condensation and frost formation. This mediator approach allows controlled heating without directly modifying the lens material or structure.
2Reliability
If a heating element is added to the camera module to defog and defrost the lens, then the imaging quality in humid and low-temperature conditions is improved, but the manufacturing cost increases
Solution Approach 1:
The heating element is integrated directly into the lens structure, merging the heating function with the optical component. This combination eliminates the need for separate heating devices and reduces overall system complexity while maintaining effective defogging and defrosting capabilities.
Solution Approach 2:
The heating element uses a simple resistive heating structure that can be manufactured at low cost using conventional techniques. The design prioritizes cost-effective materials and construction methods over long-term durability, accepting that the heating element may require replacement rather than investing in expensive, highly durable components.
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 provides a simple, cost-effective, and reliable defogging and defrosting mechanism, maintaining stable performance and high imaging quality, particularly suitable for vehicle cameras and outdoor surveillance systems.
Implementation Method 1
a heating element acts on an image side surface to heat the first lens
Implementation Method 2
the heating element can directly transmit heat energy to the first lens
Data Source
AI summary
The disclosure provides a camera module, a monitoring system and a vehicle camera, the camera module includes a lens barrel, a first lens and a heating element, the lens barrel includes a light entrance, the first lens is disposed at the light entrance, the first lens includes an image side surface, the heating element directly acts on the image side surface to heat the first lens. By directly applying the heating element to the image side surface of the first lens, the heating element can directly transmit heat energy to the first lens, thereby achieving the effect of defogging and defrosting automatically.