Monitoring Camera Housing with Cooling Air Pipe for High-Temperature Stability

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Solution Overview

Problem

Existing monitoring camera systems fail to perform stable shooting in high-temperature environments, such as the dryer hood in a papermaking machine, due to heat-induced errors and contaminant adherence.

Innovation Solution

A monitoring camera device with a housing section containing the camera and introducing cooling air to maintain a stable temperature, while also using an air spraying section to prevent contaminants from adhering to the lens.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a general monitoring camera is used to shoot the inside of the dryer hood, then the camera can be installed, but the camera cannot perform stable shooting due to high temperature causing errors

Engineering Contradiction:
Improveshooting stabilityVSAvoidenvironmental temperature
Core Design Contradiction:
ReliabilityVSTemperature

Solution Approach 1:

The system separates the camera into a distinct housing section that is isolated from the high-temperature environment. The housing section contains the camera and provides a protected space where cooling air can be introduced, effectively segmenting the camera from the hot dryer hood environment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Cooling air acts as an intermediary substance between the high-temperature environment and the camera. The cooling air is introduced into the housing section to absorb heat and maintain a stable temperature for the camera, mediating the thermal interaction between the hot environment and the sensitive camera.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the monitoring camera is exposed to the high-temperature environment, then the camera can monitor the dryer hood, but contaminants will adhere to the camera and lens

Engineering Contradiction:
Improvemonitoring capabilityVSAvoidcontaminant adherence
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The housing section segments the camera from the contaminant-laden environment. By containing the camera within the housing and introducing cooling air, the system creates a separate zone that is protected from contaminants while still enabling monitoring of the dryer hood through the camera.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Cooling air serves as an intermediary barrier that prevents contaminants from reaching the camera. The flowing cooling air creates a protective environment within the housing section, blocking contaminants from adhering to the camera and lens while allowing thermal management.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If cooling air is introduced into the housing section, then the camera temperature is stabilized, but the device complexity increases

Engineering Contradiction:
Improvetemperature stabilityVSAvoidhousing structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The housing section is designed as a segmented structure with distinct components: the housing itself, the camera compartment, and openings for cooling air intake and exhaust. This segmentation allows for modular assembly and maintenance while providing effective thermal management.

Inventive Principle:
Principle #1Segmentation

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

Enables stable shooting in high-temperature environments by protecting the camera from heat and contaminants, ensuring continuous monitoring of the papermaking process.

Implementation Method 1

cooling air is introduced into the housing section from the cooling air pipe attached to the rear cover section, whereby the inside of the housing section can be cooled

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentEP3951490B1Monitoring camera device
Publication Date: 2025.05.07 MAINTECH
  • EP3951490B1 patent drawingFigure 1
  • EP3951490B1 patent drawingFigure 2
  • EP3951490B1 patent drawingFigure 3

AI summary

To provide a monitoring camera device capable of stably shooting a device under a high-temperature environment. The present invention is directed to a monitoring camera device A used for monitoring a device under a high-temperature environment, the monitoring camera device A including a monitoring camera 1, a housing section 3 containing the monitoring camera 1, and a cooling air pipe 8 for introducing air into the housing section 3, in which the housing section 3 includes a cylindrical main body section 31 and a rear cover section 7 attached to a rear end of the main body section 31, and the cooling air pipe 8 is attached to the rear cover section 7.