Portable Dust Collector Layout With Detachable Dust Bag
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Solution Overview
Problem
Conventional dust collectors with integrated filters are bulky and heavy, making them difficult to handle and operate efficiently, especially when used for extended periods, as they require a large dust-collecting space within the device.
Innovation Solution
A dust collector design featuring a main body with a detachable dust bag and battery pack, allowing for a compact and lightweight structure with a handle and belt fastening system, enabling both portable and stationary use modes, and optimizing the placement of components for improved balance and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a filter is included within the housing to collect dust, then dust collection function is improved, but the device becomes large in size and heavy in weight
Solution Approach 1:
The dust collection system is segmented into a removable dust bag separate from the main housing. The dust bag can be detached and replaced independently, allowing the housing to remain lightweight while maintaining dust collection capability. This segmentation resolves the contradiction by separating the dust storage function from the main device structure.
Solution Approach 2:
The dust collection function is extracted from the housing by using an external dust bag that attaches to the exhaust port. This extraction removes the weight burden from the housing while preserving the dust collection function, as the dust bag serves as the actual dust-receiving component rather than an internal filter system.
2Reliability
If a filter is included within the housing to collect dust, then dust collection function is improved, but the device becomes large in size
Solution Approach 1:
The dust collection system is segmented into a removable dust bag separate from the main housing. The dust bag can be detached and replaced independently, allowing the housing to remain compact while maintaining dust collection capability. This segmentation resolves the contradiction by separating the dust storage function from the main device structure.
Solution Approach 2:
The dust collection function is extracted from the housing by using an external dust bag that attaches to the exhaust port. This extraction removes the space burden from the housing while preserving the dust collection function, as the dust bag serves as the actual dust-receiving component rather than an internal filter system.
3Ease of operation
If the device is designed for portable use with handle and belt fastening, then handleability is improved, but structural complexity increases
Solution Approach 1:
The housing is designed with multiple attachment points that serve dual purposes: belt fastening points for portable wear and support points for the dust bag attachment. This multi-functionality allows the same structural elements to support both portable operation and dust collection functions, reducing overall structural complexity while maintaining ease of operation.
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 design enhances handleability and work efficiency by allowing compact, lightweight operation in portable mode and improved stability, while preventing backflow and ensuring effective dust collection, and usability as a blower with downward air orientation.
Implementation Method 1
a motor and a rotary fan to be driven by the motor; an intake port provided at the main body to suck air therethrough from outside into the main body by rotation of the rotary fan; an exhaust port provided at the main body to release the sucked air therethrough to the outside
Data Source
AI summary
In a dust collector, a main body includes a motor and a rotary fan. The rotary fan is to be driven by the motor to suck air from outside through an intake port provided at the main body. A receptacle unit configured to allow a battery pack to be attached thereto and an exhaust port configured to allow a dust bag to be detachably attached thereto are provided at the main body. A handle capable of being grasped and a belt fastening part configured to allow a belt to be fastened thereto are also provided at the main body. At an underside of the main body, a supporting surface is provided which is configured to allow the dust collector with the dust bag and the battery pack attached to the exhaust port and to the receptacle unit respectively to be placed thereon.


