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The Can Crusher Group 12 Stanley Andrews Brandon Jefferson.

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Presentation on theme: "The Can Crusher Group 12 Stanley Andrews Brandon Jefferson."— Presentation transcript:

1 The Can Crusher Group 12 Stanley Andrews Brandon Jefferson

2 Motivation Wanted to incorporate more electrical and software design into the idea of the “Can Crusher” Use pneumatic cylinders (3 pneumatic cylinders in this project) Thought it would be something different from previous senior design projects

3 Objectives Step 1: Can or water bottle is placed into the trash can. Can/Water bottle enters hopper and waits for it to be identified by the optical and reflective sensor. Step 2: Double acting cylinder pushes the object and sends it to the can crusher. Step 3: Sorter determines route of the object based on feedback from the sensors. Step 4: If object is a water bottle, it will be routed towards a push cylinder and crushed Step 5: If the object is an aluminum can, it will be routed towards a push cylinder and crushed Step 6: Push cylinder crushes the aluminum cans and water bottles and sends remains to the storage bin Step 7: Process continues until storage sensor alerts operator that storage bin is 90% filled. Step 8: Once storage reaches 90%. Can crusher goes into “Stop” mode. Items from storage bin, can then be removed.

4 Features Fully automatic Can Crusher and Sorter Detect when an object is placed in the hopper Be able to distinguish between an aluminum can and a water bottle Sort the water bottle into a separate storage bin from the aluminum cans Detect when the storage bins are 90% full Will have three different modes “Standby”, “Operational (Go)”, “Stop”

5 Hopper Full view of the HopperInside the Hopper

6 Hopper Where the bottle and cans will be placed Be able to hold 8 FL oz. water bottle and 12oz. aluminum cans Two sensors are mounted to detect the object inside the hopper

7 Sensors Parallax Ultrasonic Sensor Reflective Optical Sensor

8 Parallax Ultrasonic Sensor Part a) Sensor is sending a ultrasonic pulse but object is outside of operating distance Part b) Sensor facing object at a angle. Pulse is reflected at another angle Part c) Sensor is facing object on level plane but object is too small. Will not reflect transmitted signal

9 Parallax Ultrasonic Sensor PING Ultrasonic Sensor Detector TypeUltrasonic Dimensions16 x 46 x 22(mm) Peaking Operating distance 2(cm)-3 (m) Supply Current30 mA Voltage5 V

10 Reflective Optical Sensor Banner SM2A312LV Detector TypeRetro-reflective Dimensions66 x 12.2 x 30.7 (mm) Peak operating distance 50mm – 2m Output currentMinimum of 5 mA Voltage V AC TCRT5000 Reflective Optical Sensor Detector typePhototransistor Dimensions10.2 x 5.8 x 7(mm) Peak operating distance 2.5 mm Output current1 mA Emitter Wavelength 950 nm Voltage5 V

11 Reflective Optical Sensor Get the best results (peak operating distance) at 2.5 mm One of the challenges will be to get it close enough to the object stored in the “hopper”

12 Aluminum Cans/ Water bottles

13 Terms of Service We ask that all contents are empty All objects must be placed horizontally in the hopper By default system will be in “standby mode”, once an object is placed inside, the system will go into operational mode If storage bin is full no objects will be crushed.

14 Design Overview Hopper Sensors Pneumatic cylinder Can Crusher Sorter Storage bin Hopper Sensors Pneumatic cylinder Can Crusher Sorter Storage bin

15 Sorter The idea is called the “Swinging lid” Uses a pneumatic cylinder to be able to “swing” the lid and alter the objects path Routes Aluminum Cans to proper bin Routes Water bottles to proper bin

16 Motors/ Air Compressor Electric motorsAir Compressor Pros Uses Standard Outlet Option to convert AC to DC Very Compact and small to maneuver and place anywhere Cons Most motors only have one speed No way to speed up or slow down the project Very Expenses for high power motors Pros Uses a Standard Outlet Able to adjust the air pressure Ability to control the speed of the motor by the PSI Option to convert AC to DC Not to expensive economy for the budget Can use air solenoid valves that can control of a multiple operated air pressure components Cons Tank will have to be refilled when low on air Will need multiple air hoses Very big hard and to hide and maneuver Very loud when filling up the tank

17 Air Compressor Horsepower (HP)0.33 HP Tank Capacity (Gallons)2.0 Gal Tank TypePortable Voltage120 V Amps (Amps)2.0 A Price$99.99

18 Air Compressor DeWalt Horsepower (HP)1.6 HP Tank Capacity (Gallons) 4.5 gal Tank TypePortable Voltage120 V Amps (Amps)15.0 A Max Pressure200 PSI PriceFree

19 Pneumatic cylinders Two Mini cylinder Double Acting Cylinder (can crusher)

20 Cylinders Kick-Door Sorter Can Crusher

21 Kevinkrusher 11.0 KevinKrusher II.0 Chamber Length6 1/2" minimum PSI Cylinder TypeDouble action Mounted Vertical or Horizontal Price$157.00

22 Can Crusher Double Action Stroke Pneumatic Cylinder Max Pressure: 1.0 Mpa Diameter: 8.5mm (Approx.) Thread Rod Diameter: 9mm (Approx.) Size: 4.5 x 4.5 x 32cm Price $38.98

23 Mini Cylinder Double Action Max Pressure: 1.0 Mpa Diameter: 1- 1/16” Cylinder Type: Stainless Steel Rod Thread Length : 0.50 inches Price: $37.50 (each)

24 Air Solenoid Type:2 Position 5 way Voltage: 12V DC Power 2.5W Current.208 Amps Valve Fittings:1/8" BSPT (British standard pipe tapered) Total Needed3 Price$ (each)

25 Micro Controller ATMega 328p Operating Voltage5 V Input Voltage (recommended) 7-12 V Input Voltage (limits) 6-20 V Digital I/O Pins14 Analog Input Pins6 DC Current per I/O40 mA DC Current for 3.3V Pin 50 mA Flash Memory32 KB Clock Speed16 Solenoids connected to 3 digital pins ( 8, 9, 10 Ultrasonic Sensor & TCRT5000 connected to 4 analog pins (A0, A2, A3, A4) LEDS connected to 3 digital pins (5-7)

26 Software code Hopper (object detection) TCRT5000 Ultrasonic Sensor Loop

27 Automatic Can Crusher Schematic

28 Printed Circuit Board

29 Storage Bins Two storage bins Aluminum Can and Water Bottle Each bin will have Parallax Ultrasonic sensor Once storage reaches 90%. Can crusher goes into “Stop” mode

30 Enclosure Trash CanCabinet

31 LEDs Green Operational mode Yellow Standby Mode Default Red Stop Mode

32 LED Schematic

33 Power Supply 120 AC Transformer AC/DC Fuse Switch (On/Off) Bridge Rectifier +- 12V regulator +-5V regulator 12 V DC Air Solenoid (3) 5 V DC Microcontroller LEDs Sensors

34 Automatic Can Crusher Schematic

35 Work Distribution Stanley AndrewsBrandon Jefferson Sensors Power Supply Solenoids/ Cylinders Microcontroller Printed Circuit Board Software Implementation

36 Budget NomenclatureCost (each)NumberTotal Cost Optical Sensor$ TCRT5000 Reflective Sensor $1.0010$10.00 Double Acting Cylinder $37.502$38.46 Mini Cylinder$16.471$21.61 Air Solenoid$11.394$57.54 Air Valve Fittings$1.4814$26.63 Air Valve Mufflers$1.198$15.05 LEDs$1.99-$3.505$20.00 Development Board$121$14.78 Air Compressor$99.991Free PCB$ Air Regulator$ Transfomer$ Miscellaneous$ Total Cost$1040$554.42

37 Progression

38 Issues Ambient light affecting the read out of the TCRT5000 Manipulating the microcontroller to distinguish between a water bottle and aluminum can Water bottles not crushing Placement of how the object falls into the hopper affected if it was detected or not TCRT5000 Software Design Water bottles Ultrasonic Sensor

39 Questions


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