Soil Mixer 2019/Controller: Difference between revisions

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(Created page with "=Controller Architecture= Do we want to experiment with using the same controller with an external i/o module (or just a relay module) instead of a dedicated controller? I ha...")
 
 
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=Controller Architecture=
This page includes information about the entire electromechanical hydraulic control system for the soil mixer. This is a variant of [[CEB_Press_Controller_v19.01|CEB Press Controller v19.01]]
Do we want to experiment with using the same controller with an external i/o module (or just a relay module) instead of a dedicated controller?


I have some of these [https://www.amazon.com/CHENBO-Channel-Module-Shield-Arduino/dp/B07874KSLY/ref=sr_1_2?keywords=chenbo+relay&qid=1573679565&sr=8-2 relay boards] that can be used with the existing brick press controller.


We also have a spare Arduino mega that could be its own controller.
=Controller Requirements=
*Needs to switch a double acting cylinder while running a hydraulic motor
*Needs to cycle a dc motor for cement dosing
*Water mister solenoid
 
=Electronics=
*Mega 2560
*Relay Shield (3A)
*External Relays boards for >3A
*Fused Battery Connection
*High Pressure Switch
*
 
=Hydraulics=
==Hydraulic Calculations==
'''Hydraulic Cylinder Volumes.''' 2.5x12x1.25 Cylinder <br/>
Cap End Volume:((2.5in)/2)^2 * 3.14 * 12in =58.875 cu in <br/>
Rod Volume: ((1.25in)/2)^2 * 3.14 * 12in = 14.71875 cu in <br/>
Rod End Volume = 58.875 cu in - 14.71875 cu in =  44.15625‬ cu in
 
{|
|+style="font-size:150%"|Cylinder Travel Speeds
!Flow Rate
!Extend Time
!Retract Time
|-
!5 GPM
|3.06s
|2.29s
|-
!7.5 GPM
|2.04s
|1.53s
|-
!10 GPM
|1.53s
|1.15s
|-
!12.5 GPM
|1.22s
|0.92s
|-
!15GPM
|1.02s
|0.76s
|}
==Hydraulic Diagram==
<html><iframe src="https://docs.google.com/presentation/d/1ScpptOBN8ljrSdcZd_iyKdNUiskhitRu5VUAuOlNQTg/embed?start=false&loop=false&delayms=3000#2" frameborder="0" width="960" height="749" allowfullscreen="true" mozallowfullscreen="true" webkitallowfullscreen="true"></iframe></html>
 
 
[https://docs.google.com/presentation/d/1ScpptOBN8ljrSdcZd_iyKdNUiskhitRu5VUAuOlNQTg/edit?usp=sharing edit]
 
 
==Hydraulic Circuit Simulation==
 
 
===20Nm Load on Motor===
20nm load derived on mixer main page in design review section


=Hardware Available in Belize=
Download Circuit: [[File:SoilMixerFluidSIMCircuits.zip]]
*Arduino Mega 2560
*Hi Let Go Relay shield
*External relay boards
*Eaton Vickers Cylinder Solenoids


=Controller Requirements=
Older simulations: [[/Hydraulic Simulation Archive]]
*Motor solenoid for hammermill
 
*Hydraulics for motor and drawer
{|class="wikitable"
*Electric motor controller for stabilizer auger
!Production-Ready Circuit
|-
|<html><video controls loop src="https://github.com/CabbageBreath/CabbageBreath.github.io/raw/master/Soil%20Mixer%202019/Series%20Circuit%2012-24-1.webm" height="100%" width="100%"></video></html>
|-
!Stepping Through This Circuit
!Automated For Viewing Convenience
|-
|{{YoutubePopup|mH2onJqJIl8|big}}
|{{YoutubePopup|xVSR72DBsYI|big}}
|-
|Manually stepping through circuit with narration
|Automated, silent. Cylinder switched using pressure switch
|}

Latest revision as of 15:01, 28 December 2019

This page includes information about the entire electromechanical hydraulic control system for the soil mixer. This is a variant of CEB Press Controller v19.01


Controller Requirements

  • Needs to switch a double acting cylinder while running a hydraulic motor
  • Needs to cycle a dc motor for cement dosing
  • Water mister solenoid

Electronics

  • Mega 2560
  • Relay Shield (3A)
  • External Relays boards for >3A
  • Fused Battery Connection
  • High Pressure Switch

Hydraulics

Hydraulic Calculations

Hydraulic Cylinder Volumes. 2.5x12x1.25 Cylinder
Cap End Volume:((2.5in)/2)^2 * 3.14 * 12in =58.875 cu in
Rod Volume: ((1.25in)/2)^2 * 3.14 * 12in = 14.71875 cu in
Rod End Volume = 58.875 cu in - 14.71875 cu in = 44.15625‬ cu in

Cylinder Travel Speeds
Flow Rate Extend Time Retract Time
5 GPM 3.06s 2.29s
7.5 GPM 2.04s 1.53s
10 GPM 1.53s 1.15s
12.5 GPM 1.22s 0.92s
15GPM 1.02s 0.76s

Hydraulic Diagram


edit


Hydraulic Circuit Simulation

20Nm Load on Motor

20nm load derived on mixer main page in design review section

Download Circuit: File:SoilMixerFluidSIMCircuits.zip

Older simulations: /Hydraulic Simulation Archive

Production-Ready Circuit
Stepping Through This Circuit Automated For Viewing Convenience
http://img.youtube.com/vi/mH2onJqJIl8/0.jpg http://img.youtube.com/vi/xVSR72DBsYI/0.jpg
Manually stepping through circuit with narration Automated, silent. Cylinder switched using pressure switch
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