| 0,0 → 1,56 |
|---|
| heatsink_xsize = 50; |
| heatsink_ysize = 50; |
| heatsink_zsize = 50; |
| |
| TEG_xsize = 50; |
| TEG_ysize = 50; |
| TEG_zsize = 50; |
| |
| mount_hole = 3.5; |
| clearance = 0.175; |
| sealing_ring_width = 3; |
| wall_thickness = 10; |
| |
| height = heatsink_zsize + wall_thickness; |
| |
| |
| 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,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 ([(heatsink_xsize-TEG_xsize)/2 - clearance, (heatsink_ysize-TEG_ysize)/2 - clearance, 0]) |
| cube([TEG_xsize+2*clearance, TEG_ysize+2*clearance, wall_thickness]); // hollow for the thermoelectric generator |
| |
| translate ([0, 0, height-sealing_ring_width/2]) |
| difference () { |
| minkowski() { |
| cube([heatsink_xsize-sealing_ring_width/2, heatsink_xsize-sealing_ring_width/2, 5]); // Rib for o-ring. |
| cylinder(r=wall_thickness/2,h=0.1); |
| } |
| |
| minkowski() { |
| cube([heatsink_xsize+sealing_ring_width/2, heatsink_xsize+sealing_ring_width/2, 5]); // 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); |
| |
| 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); |
| */ |
| } |
| |
| // Heat reservoir cover |
| |
| translate ([0, 0, 2*height]) |
| cube([heatsink_xsize+2*wall_thickness,heatsink_ysize+2*wall_thickness,wall_thickness]); |
| |