University of Twente Student Theses


Het ontwerpen van een AED kast

Velde, E.A.G. ten (2011) Het ontwerpen van een AED kast.

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Abstract:This document is the report of the Bachelor Assignment for the Industrial Design course at the University of Twente, commissioned by the Twente Hart Safe foundation Hengelo. It describes the process of designing a cabinet to safely store AED’s (Automatic External Defibrillators) in the public space. Initially, the properties and vulnerabilities of AED’s and AED cabinets were researched. In addition, products with similar properties or functionality such as fire cabinets, letter boxes and waste bins were given a look. Subsequently, the Dutch streetscape was analysed to conclude the first research phase. From this phase, it became clear that parked bicycles are a potential problem for AED cabinets when they are placed in public space. Next, different kinds of technical systems dealing with security, lighting and power supply have been explored. Hereafter, all research was used to set up a Program of Requirements in which requirements on price, production, distribution, use and removal were defined in cooperation with the head of the foundation. Based on the listed requirements, three different concepts were created, differentiated by their positions. The first concept is a wall-mounted AED cabinet. The first concept is based on the existing AED cabinet market which is dominated by wall mounted cabinets. The unique selling point of this first concept is its unique external design. The second concept is a cabinet anchored to the ground. Similar to the first concept, most attention was given to the external design. The third concept is a cabinet mostly sunk into the ground. By making use of the ground’s temperature, heating and cooling will be provided to guarantee the proper temperature for the AED. By doing so, the cabinet will be autonomous and will not depend on an external power supply. In contrast to the other concepts, the main focus of the concept is put on the technical systems. The three concepts are characterised by a safe and protecting external design. Additionally, Verbeeks theory about mediation has been applied to prevent bicycles from blocking the AED cabinet. Resulting from a discussion with the founder of the foundation and the project mentor, the decision has been made to work out the second concept into a final concept. The technical feasibility and commercial opportunities were the most striking arguments for this concept. Through sketches and supporting 3D models (figuur 2, 3 and 4), the exterior design of the cabinet was improved and given more details. Furthermore, research was done to define the use of materials and the use of electrical components. As a result, a detailed 3D model was created which can be used for production. This model was altered after consulting an external production company to reduce the price to an acceptable level according to the Program of Requirements. Both models were turned into scale models (figuur 1 and 5) to create tangible models of the AED cabinet.
Item Type:Essay (Bachelor)
Faculty:ET: Engineering Technology
Subject:51 materials science
Programme:Industrial Design BSc (56955)
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