/Modules/PowerSupply/THERMOGEN01A/CAD/src/THERMOGEN_heat_reservoir.scad
1,59 → 1,111
heatsink_xsize = 50;
heatsink_ysize = 50;
heatsink_zsize = 50;
heatsink_xsize = 50.1;
heatsink_ysize = 50.1;
heatsink_zsize = 45;
heatsink_thickness = 2;
 
TEG_xsize = 30;
TEG_ysize = 30;
TEG_zsize = 5;
TEG_xsize = 40.1;
TEG_ysize = 40.1;
TEG_zsize = 8;
 
mount_hole = 3.5;
clearance = 0.175;
sealing_ring_width = 3;
wall_thickness = 10;
mount_hole = 3.5; // mounting screw hole diameter
clearance = 0.175; // spare clearance for printing tolerances.
sealing_ring_width = 3; // width of sealing gab under the cover
wall_thickness = 12; // thickness of the box wall
volume_encore = 10; // space added to the size of internar heatsink
 
height = heatsink_zsize + wall_thickness;
height = heatsink_zsize + TEG_zsize+volume_encore;
 
 
difference () {
union (){
cube([heatsink_xsize+2*wall_thickness,heatsink_ysize+2*wall_thickness,heatsink_zsize+wall_thickness]); // overal plastic brick
cube([heatsink_xsize+2*wall_thickness+volume_encore,heatsink_ysize+2*wall_thickness+volume_encore,height]); // overal plastic brick
// cube([heatsink_xsize+2*wall_thickness,heatsink_ysize+2*wall_thickness,heatsink_zsize+wall_thickness]); // overal plastic brick
}
 
translate ([wall_thickness-clearance, wall_thickness-clearance, wall_thickness-clearance])
cube([heatsink_xsize+2*clearance, heatsink_ysize+2*clearance, heatsink_xsize+2*clearance]); // hollow for heat sink and heat storage liquid.
translate ([wall_thickness-clearance+volume_encore/2, wall_thickness-clearance+volume_encore/2, TEG_zsize-clearance])
cube([heatsink_xsize+2*clearance, heatsink_ysize+2*clearance, heatsink_xsize+2*clearance]); // hollow for heat sink
translate ([wall_thickness, wall_thickness, TEG_zsize+heatsink_thickness])
cube([heatsink_xsize+2*clearance+volume_encore, heatsink_ysize+2*clearance+volume_encore, heatsink_xsize+2*clearance+volume_encore]); // hollow for heat storage liquid.
 
translate ([((heatsink_xsize+2*wall_thickness)-TEG_xsize)/2 - clearance, ((heatsink_ysize+2*wall_thickness)-TEG_ysize)/2 - clearance, 0])
translate ([((heatsink_xsize+2*wall_thickness+volume_encore)-TEG_xsize)/2 - clearance, ((heatsink_ysize+2*wall_thickness+volume_encore)-TEG_ysize)/2 - clearance, 0])
cube([TEG_xsize+2*clearance, TEG_ysize+2*clearance, wall_thickness]); // hollow for the thermoelectric generator
 
translate ([((heatsink_xsize+2*wall_thickness+volume_encore)-TEG_xsize)/2, 0, 0])
cube([4, wall_thickness+volume_encore, TEG_zsize-1]); // hollow for the thermoelectric generator
translate ([((heatsink_xsize+2*wall_thickness+volume_encore)-TEG_xsize)/2 +TEG_xsize-4, 0, 0])
cube([4, wall_thickness+volume_encore, TEG_zsize-1]); // hollow for the thermoelectric generator
translate ([wall_thickness, wall_thickness, height-sealing_ring_width])
union () {
difference () {
minkowski() {
cube([heatsink_xsize, heatsink_xsize, sealing_ring_width]); // Rib for o-ring.
cube([heatsink_xsize+volume_encore, heatsink_xsize+volume_encore, sealing_ring_width]); // Rib for o-ring.
cylinder(r=wall_thickness/2,h=0.1);
}
 
translate ([sealing_ring_width/2, sealing_ring_width/2, 0])
minkowski() {
cube([heatsink_xsize-sealing_ring_width, heatsink_ysize-sealing_ring_width, sealing_ring_width]); // Rib for o-ring.
cube([heatsink_xsize-sealing_ring_width+volume_encore, heatsink_ysize-sealing_ring_width+volume_encore, sealing_ring_width]); // Rib for o-ring.
cylinder(r=wall_thickness/2,h=0.1);
}
}
}
/*
rotate([0,0,-45]) // hole for top part mounting nut
translate ([ 0, -y_size/3, thickness/3])
cube([6, 3, thickness], center = true);
translate ([ heatsink_xsize+2*wall_thickness-wall_thickness/3+volume_encore, heatsink_xsize+2*wall_thickness+volume_encore-wall_thickness/3, height-wall_thickness/2])
{
translate([-6, -3, -1.5])
cube([wall_thickness, 6, 3], center = false); // hole for top part mounting nut
cylinder (h = wall_thickness, r= mount_hole/2, $fn=20); // hole for top part mounting screw.
}
 
rotate([90,0,-45]) // hole for top part mounting screw.
translate ([ 0, 1.8, 0])
cylinder (h = thickness + rim_height, r= mount_hole/2, $fn=20);
*/
translate ([wall_thickness/3, wall_thickness/3, height-wall_thickness/2])
{
translate([-6, 0, -1.5])
cube([wall_thickness-3, 6, 3], center = true); // hole for top part mounting nut
cylinder (h = wall_thickness, r= mount_hole/2, $fn=20); // hole for top part mounting screw.
}
translate ([wall_thickness/3, heatsink_xsize+2*wall_thickness+volume_encore-wall_thickness/3, height-wall_thickness/2])
{
translate([-6, 0, -1.5])
cube([wall_thickness-3, 6, 3], center = true); // hole for top part mounting nut
cylinder (h = wall_thickness, r= mount_hole/2, $fn=20); // hole for top part mounting screw.
}
 
translate ([ heatsink_xsize+2*wall_thickness-wall_thickness/3+volume_encore, wall_thickness/3,height-wall_thickness/2])
{
translate([6, 0, -1.5])
cube([wall_thickness-3, 6, 3], center = true); // hole for top part mounting nut
cylinder (h = wall_thickness, r= mount_hole/2, $fn=20); // hole for top part mounting screw.
}
 
}
 
 
 
// Heat reservoir cover
translate ([0, 0, 3*height])
{
difference () {
 
translate ([0, 0, 2*height])
cube([heatsink_xsize+2*wall_thickness,heatsink_ysize+2*wall_thickness,wall_thickness]);
 
cube([heatsink_xsize+2*wall_thickness+volume_encore,heatsink_ysize+2*wall_thickness+volume_encore,wall_thickness]);
translate ([ heatsink_xsize+2*wall_thickness-wall_thickness/3+volume_encore, wall_thickness/3,0])
{
cylinder (h = wall_thickness, r= mount_hole/2, $fn=20); // hole for top part mounting screw.
}
translate ([wall_thickness/3, wall_thickness/3,0])
{
cylinder (h = wall_thickness, r= mount_hole/2, $fn=20); // hole for top part mounting screw.
}
translate ([ heatsink_xsize+2*wall_thickness-wall_thickness/3+volume_encore, heatsink_ysize+2*wall_thickness-wall_thickness/3+volume_encore,0])
{
cylinder (h = wall_thickness, r= mount_hole/2, $fn=20); // hole for top part mounting screw.
}
translate ([wall_thickness/3, heatsink_ysize+2*wall_thickness-wall_thickness/3+volume_encore,0])
{
cylinder (h = wall_thickness, r= mount_hole/2, $fn=20); // hole for top part mounting screw.
}
}
}