Surveillance Camera Dome Cover Condensation Prevention
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Solution Overview
Problem
Surveillance camera apparatuses malfunction due to condensation and frost accumulation on dome covers when exposed to low temperatures, disrupting normal operations.
Innovation Solution
A housing assembly with a dome cover, air blower, and heater system that directs heated air through a duct with a gradually widening design and an exhaust hole, ensuring the air flows along the inner surface of the dome cover to prevent condensation and maintain a predetermined temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the surveillance camera apparatus is exposed to low temperatures, then the camera can operate in cold environments, but condensation and frost accumulate on the dome cover due to temperature difference
Solution Approach 1:
The heater pre-heats the air before it reaches the dome cover, and the air blower delivers this warmed air to prevent condensation and frost from forming in the first place, rather than removing them after formation
Solution Approach 2:
Warm air acts as an intermediary substance between the heater and the dome cover, transferring thermal energy to prevent harmful condensation and frost accumulation on the cover surface
2Object-affected harmful factors
If a heating system is added to prevent condensation, then condensation is prevented, but the device complexity increases
Solution Approach 1:
The housing assembly integrates multiple functions into a unified structure: the heater provides thermal energy, the air blower distributes the warm air, and the duct guides the airflow, all working together as a single integrated condensation prevention system rather than separate components
Solution Approach 2:
The heater, air blower, and duct system are combined into an integrated housing assembly where components work synergistically - the heater warms air that the blower then delivers through the duct to the dome cover, creating a unified condensation prevention mechanism
3Ease of operation
If multiple ducts are used to distribute heated air, then air distribution is improved, but manufacturing costs increase
Solution Approach 1:
The single duct is designed with a gradually increasing width and strategically positioned exhaust holes that segment the airflow distribution, allowing different regions of the dome cover to receive warmed air through carefully placed openings rather than requiring multiple separate ducts
Solution Approach 2:
The duct has varying width along its length with exhaust holes positioned at specific locations, creating local variations in airflow distribution that efficiently cover different areas of the dome cover, optimizing air distribution without needing multiple ducts
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
Prevents condensation and frost accumulation on the dome cover, ensuring the surveillance camera apparatus operates normally by maintaining a stable temperature, even in low-temperature environments, and reduces fabrication costs by using a single duct design.
Implementation Method 1
a heater heating the air provided from the air blower
Implementation Method 2
an air blower which generates and provides a flow of air to a dome cover
Data Source
AI summary
A housing assembly and a surveillance camera apparatus including the housing assembly are provided. The housing assembly includes a dome cover which receives a photographing component therein; an air blower which provides air to the dome cover; and a duct through which the air provided from the air blower is discharged to the dome cover.