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. |
} |
} |
} |