Sensor Apparatus Fan Housing Circuit Carrier Extraction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sensor apparatuses for measuring fine particles in sample gas volumes face challenges in integrating additional parameters like humidity, temperature, or air quality without significant expense due to installation space limitations and defined gas flow management.
Innovation Solution
The circuit carrier for controlling the ventilation device and sensor elements is relocated outside the fan housing, allowing additional installation space within the fan housing for further sensor elements, enabling the measurement of additional parameters without requiring additional space or protective measures for the circuit carrier.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the circuit carrier is arranged inside the fan housing, then the control circuit is integrated with the ventilation device, but the installation space for additional sensor elements is limited
Solution Approach 1:
The control circuit is extracted from the fan housing and placed on a separate circuit carrier. This extraction frees up installation space within the fan housing while maintaining the functional integration of the control circuit through data-carrying connections, resolving the contradiction between integration and space availability.
Solution Approach 2:
The circuit carrier is arranged in a different spatial dimension or location relative to the fan housing, connected via data interfaces. This dimensional separation allows the control functionality to remain integrated while creating available space within the fan housing for additional sensor elements.
2Adaptability or versatility
If additional sensor elements are integrated into the fan housing, then the functionality to measure additional parameters is expanded, but the circuit carrier would need protective measures against gas flow
Solution Approach 1:
The control circuit is extracted from the fan housing to a separate circuit carrier that is not exposed to the gas flow. This eliminates the need for protective measures against gas flow while allowing sensor elements to be integrated within the fan housing for expanded measurement capabilities.
Solution Approach 2:
The system is segmented into two distinct parts: sensor elements within the fan housing exposed to gas flow, and the control circuit on a separate circuit carrier protected from gas flow. This segmentation allows each component to be optimally positioned without requiring protective measures for the circuit carrier.
3Area of stationary object
If the sensor apparatus is designed for basic fine particle measurement, then the installation space is optimized, but the ability to integrate further measurements is limited
Solution Approach 1:
The fan housing is designed to serve multiple functions: it houses the ventilation device, contains the sample gas flow path, and provides mounting space for various sensor elements (fine particle sensors, humidity sensors, temperature sensors, air quality sensors). This multi-functionality allows the same installation space to support expanded measurement capabilities without requiring additional space.
Solution Approach 2:
The circuit carrier is prepared in advance with data interfaces and control circuitry that can accommodate multiple types of sensor elements. This preliminary preparation enables easy integration of additional measurements later without requiring redesign or additional space, as the infrastructure is already in place.
Data Source
AI summary
A sensor apparatus for analysing a sample gas volume includes at least one fine particle measuring chamber to hold the sample gas that is to be analysed, at least one sensor element for measuring fine particles assigned to the fine particle measuring chamber, at least one sample gas feed assigned to the fine particle measuring chamber, at least one sample gas discharge assigned to the fine particle measuring chamber, at least one ventilation device assigned to the fine particle measuring chamber. The ventilation device includes a fan with a fan housing, and the sensor apparatus has at least one circuit carrier with at least one control circuit for actuating the ventilation device. The circuit carrier incudes a circuit for controlling the measurement of fine particles. The circuit carrier is arranged outside the fan housing. The ventilation device has a data interface for a data-carrying connection to the circuit carrier.