Place n paste assisted toothpaste dispenser
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Place N Paste Assisted Toothpaste Dispenser . Salvatore Cacciatore, Kenny Neyhart, Benjamin Oven, Tony Saloio. Outline. Problem Requirements Existing Products Solution Products MDR Goals. Problem. Students cannot properly squeeze toothpaste

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Place N Paste Assisted Toothpaste Dispenser

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Place n paste assisted toothpaste dispenser

Place N PasteAssisted Toothpaste Dispenser

Salvatore Cacciatore, Kenny Neyhart,

Benjamin Oven, Tony Saloio


Outline

Outline

  • Problem

  • Requirements

  • Existing Products

  • Solution

  • Products

  • MDR Goals


Problem

Problem

  • Students cannot properly squeeze toothpaste

  • Unable to apply appropriate amount of toothpaste

  • Teachers must assist students every time they need to brush

  • Students must be independent in maintaining their daily hygiene


Requirements

Requirements

  • Dispense pea-sized toothpaste onto brush

  • Will hold toothbrush such that the machine and toothbrush will stay sanitary

  • Toothbrush will be placed in a way such that users lacking fine motor skills can insert toothbrush

  • Product will take no longer than 20 seconds from when toothbrush is correctly inserted to return loaded toothbrush

  • Product size will not obstruct normal use of school’s single occupancy bathroom

  • Product will be designed such that it will guide toothbrush motion once it is placed into holder


Existing products

Existing Products

This product will not meet:

Requirement 3: Toothbrush will be placed in a way such that users lacking fine motor skills can insert toothbrush

Requirement 6: Product will be designed such that it will guide toothbrush motion once it is placed into holder


Existing products1

Existing Products

This product will not meet:

Requirement 2: Will hold toothbrush such that the machine and toothbrush will stay sanitary

Requirement 3: Toothbrush will be placed in a way such that users lacking fine motor skills can insert toothbrush


Solution video

Solution: Video


Solution state machine

Solution: State Machine


Solution block diagram

Solution: Block Diagram

Enclosure

Bristle Orientation Sensor

Toothpaste Replacement Door

Power Supply

Plastic Covering

Interface

Guiding Arm

Dispenser

Toothbrush Handle Guide

Bristle Orientation Motor

Toothpaste

Horizontal Orientation Motor

Handle Holder

Toothpaste Dispenser

Toothbrush Detector

Rotator

Microcontroller

Arduino


Products microcontroller

Products: Microcontroller

  • Satisfies requirement 4

  • Arduino Uno

  • Controls all motors and sensors

  • Controls timing of operations

  • Easily programmable

  • Digital and analog inputs and outputs

  • Contains onboard clock


Products interface

Products: Interface

  • Satisfies requirement 3

    • Plastic funnel allows for guided entry into grip

  • Helps satisfy requirement 2

    • Direct contact only with handle of brush

  • Rubber grip holds toothbrush in place while allowing easy entry and exit

  • Micro switch indicates toothbrush detection


Products guiding arm

Products: Guiding Arm

  • Satisfies requirement 6

    • Once activated toothbrush is fully guided through motion

    • Limits user involvement to initial insertion and final removal

  • Uses Servo motors to control motion

    • Compact

    • Easy to Use

  • Helps satisfy requirement 2

    • Controls motion for minimum surface contact


Products dispensing

Products: Dispensing

  • Satisfies requirement 1

    • COTS dispensing product designed to dispense proper amount of toothpaste

  • Helps satisfy requirement 2

    • Toothbrush does not come into contact with dispenser

  • Uses Servo Motor to control Dispensing

  • Will dispense toothpaste only when toothbrush is in correct position


Products enclosure

Products: Enclosure

  • Need enclosure to house all products

  • Plugged into wall for power

  • Helps with requirement 2

    • Limits access to dispensing mechanism

  • Allows for easy replacement of empty toothpaste tube

  • Keeps electronics, motors, and other components out of direct contact

  • Helps satisfy requirement 3

    • Allows for easy toothbrush insertion and removal

  • Satisfies requirement 5

    • Compact enough to fit into confined space in bathroom


Products additional features

Products: Additional Features

  • Time Permitting:

    • Sound indicators for proper toothbrush insertion and removal

    • LED indicator to show low toothpaste supply

    • Programmable timer to help encourage proper brushing for students

      • Light and Music integration

    • Network interface to notify teacher of low toothpaste

    • Work for a wider range of toothbrush sizes


Products budget

Products: Budget

  • COTS Toothpaste Dispenser: $25.00

  • Toothpaste: $5.00

  • Arduino Microcontroller $35.00

  • Interface Product: $50.00

    • Funnel

    • Rubber Holder

    • Microswitch

  • Motor/Servo

    • 4x $40.00 = $160.00

  • Proximity Sensor: $70.00

  • Enclosure: $150.00

    TOTAL: $495.00


Products risks

Products: Risks

  • Hardware

    • Custom Designed Enclosure

    • Third Party COTS Dispenser

    • Many moving parts

  • Software

    • Arduino working with chosen sensors

    • Proper timing of motors crucial to success


Mdr goals

MDR Goals

  • Prototype of basic movement

    • Starts in horizontal Position

    • Moves guiding arm to specific location

    • Dispenses toothpaste


Picture references

Picture References

  • http://www.bradfitzpatrick.com/store/products/Cartoon_Bathroom_Sink_Clip_art-302-12.html

  • http://dhfr.bravehost.com/myPictures/kids-toothbrush.gif

  • http://www.coolest-gadgets.com/20091203/toothpaste-dispenser-dispenses-push-button/

  • http://www.thetoothpastedispenser.com/

  • http://www.liquidware.com/shop/show/ARD-UNO/Arduino+Uno


Additional product specifics

Additional Product Specifics

  • Arduino Uno

  • OSRAM SFH 7741 proximity sensor

  • Touch N Brush TB011106

  • eMachineShop plastic custom design enclosure


Requirements cont

Requirements cont.

  • Dispense pea-sized toothpaste onto brush

    • ADA recommended toothpaste dosage

  • Will hold toothbrush such that the machine and toothbrush will stay sanitary

    • Multiple users

  • Toothbrush will be placed in a way such that users lacking fine motor skills can insert toothbrush

    • Minimum target for toothbrush placement is no smaller than a 1” x 1” square

    • Vertical placement with bristles facing up


Requirements cont1

Requirements cont.

  • Product will take no longer than 20 seconds from when toothbrush is correctly inserted to return loaded toothbrush

    • Similar preparation time of teacher’s assistance

    • Other users may need the bathroom

  • Product size will not obstruct normal use of school’s single occupancy bathroom

    • Cannot impede on other bathroom use

    • Cannot obstruct cleaning of bathroom

  • Product will be designed such that it will guide toothbrush motion once it is placed into holder

    • Holding toothbrush steady is an issue for the students.

    • Machine controlling the motion will promote proper sanitation of the machine and toothbrush


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