UPS enclosure for Digital Radiography Machine

 

PROJECT OVERVIEW:

The project is to re-engineer the UPS enclosure and integrate it into the digital radiography (DR) machine.

 

WORK FLOW:

Requirement:

The Requirement was to install the UPS inside the DR machine for power back up and make it easy to transport.

Concept Development:

Several concepts on the arrangement of the components of UPS were made and the most mechanically feasible design were selected.

Mechanical Engineering:

Reengineered the UPS enclosure to customize it according to the space available into the DR.

CAD:

CAD design of DR machine, UPS enclosure and all the components placed into it were made to check the components assembly, fitment and feel of the device compactness.

Prototyping:

A sheet metal fabrication of the customized UPS was made.

Assembly sequence:

The component was placed and checked the Concept, assembly interference and ease assembling.

Clearance analysis:

Integrated the UPS into the DR machine and ensure the dimensional accuracy of exact assembling of components, check the sufficient gaps between all the components and tested for EMI/EMC issue

 

CHALLENGES:

  • The DR machine was already design to compactly packed all the components, hence, limited space available for the battery and the UPS.

  • The new customized enclosure of UPS should not disturb the existing outer enclosure DR machine.

  • We should not keep more weight as it disturbs the centre of gravity balance of the machine.

ENGINEERING SOLUTION:

  • Created customized sheet metal enclosure & placed each component without affected EMI/EMC

  • The transformer was present in DR machine produces heat and radiation did not effect the UPS electronic.

  • The position each component in the given limited space without disturbing the outer encloure of DR machine.

  • The arrangement and orientation of the battery and keep it in the front side base to adjust the space availability at the back.

 

 

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