X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=heater.git;a=blobdiff_plain;f=case.scad;h=f96549a734a789058dadc93c8d96fa2a74bcded0;hp=6a000e804cd24df9b4bebe7a49761a262446ff13;hb=c6b2f2baf7597e0a000602bc7c7997a02451e5b1;hpb=8c3ea1d150e8781fbd8ac39737b12389222d0c3c diff --git a/case.scad b/case.scad index 6a000e8..f96549a 100644 --- a/case.scad +++ b/case.scad @@ -1,262 +1,310 @@ -/* TODO -- vybrani pro otevreni -- mozna sirsi misto na baterku? -- vetsi vybrani pro baterku ve vicku -- kuzelova dira pro tlacitka -- jine diry pro uchyceni -- zvetsit vybrani na strane tlacitek -- mozna prilis velky klip zasunovaciho konce baterky -- diry pro neizolovany drat muzou byt mensi -- sirsi zakladna -- mensi horni cast klipu baterky - pri 0.7 je sirka nahore 16 mm. -*/ +lowres = 0; // fast rendering or fine printing with print-friendly orientation + +eps = 0.01; +infty = 300; -lowres = 1; +wall = 1.5; // generic wall thickness // 18650 is ~18mm diameter, ~65mm length, -batt_diam = 18 + 0.6; -batt_len = 65 + 1.5; -wall = 2.2; -base_h = 3; -cable_sep = 2.5; +batt_diam = 18 + 0.8; +batt_len = 65 + 2.0; +cable_sep = 1.5; -eps = 0.01; -infty = 300; +// front flat area +front_flat_len = batt_len + 4*wall + 2*cable_sep; -pcb_len = 36 + 1; -pcb_thick = 1.2 + 0.3; +// PCB-related dimensions +pcb_len = 36 + 1; // length of the board +pcb_width = 11 + 0.5; // width of the board +pcb_thick = 1.2 + 0.3; // thickness of the board +pcb_comp_h = 2.2; // height of the components on board pcb_groove = 1; -pcb_width = 11 + 0.5; -batt_clip_h = base_h + pcb_width - pcb_groove; +body_top_h = 0.35 * batt_diam; // cube-shaped part of the body wire_thick = 2.2; wire_sep = 3.5; -cable_out_diam = 5.2; - -pcbside_protrusion_len = 20; -pcbside_protrusion_diam = 2.5; -battside_protrusion_len = 10; -battside_protrusion_diam = 2; -base_batt_extend = wall + pcb_thick; // extend the base on the battery side +batt_end_h = wire_sep/2 + wire_thick/2 + 1.5;; -cover_sep = 0.1; +lid_sep = 0.2; // the lid is made this much smaller to separate from the body -uswitch_diam = 2.5 + 0.5; +sw_diam = 2.5 + 0.5; led_diam = 3 + 0.5; -s2_xoff = -160 * 25.4/1000; -led_xoff = 90 * 25.4/1000; -s1_xoff = 340 * 25.4/1000; +sw_xoff = 250 * 25.4/1000; // x offset of microswitches +pcb_xoff = 90 * 25.4/1000; // offset of the LED from the middle of the PCB -pcb_clip_w = 7; -pcb_clip_off = led_xoff + pcb_clip_w/2; +prg_len = 10; // programming connector +prg_width = 7; -module base() { - translate([0, 0, base_h/2]) { - hull() { - cube([batt_len + 2*wall + 2*cable_sep, batt_diam + 2*wall, base_h], center=true); - // under the PCB - translate([0, -batt_diam/2-wall-pcb_thick/2-wall/2, 0]) - cube([batt_len + 2*wall, pcb_thick + wall + eps, base_h], center=true); - // battery-side extension - translate([0, batt_diam/2 + wall + base_batt_extend, 0]) - cube([batt_len + 2*wall, eps, base_h], center=true); - }; - }; -} -module base_protrusions() { - // pcb-side side protrusion - translate([-pcbside_protrusion_len/2, -batt_diam/2-2*wall-pcb_thick, base_h-pcbside_protrusion_diam/2]) - rotate([0, 90, 0]) - cylinder(r = pcbside_protrusion_diam/2, h = pcbside_protrusion_len, $fn = 6); - - // battery-side side protrusion - translate([-battside_protrusion_len/2, batt_diam/2+wall+base_batt_extend, base_h-battside_protrusion_diam/2]) - rotate([0, 90, 0]) - cylinder(r = battside_protrusion_diam/2, h = battside_protrusion_len, $fn = 6); -}; +outcable_h = 4.5; +outcable_w = 2.5; -module pcb_clips() { - // rear part of the PCB holder (behind S1) - translate([pcb_clip_off, -batt_diam/2-wall-pcb_thick+eps, 0]) - cube([pcb_clip_w, pcb_thick+wall, pcb_width + wall + base_h - pcb_groove]); - // side part of the PCB holder (near the battery wires) - translate([-pcb_len/2-wall, -batt_diam/2-pcb_thick-2*wall, 0]) - cube([pcb_groove+wall, pcb_thick+2*wall+eps, pcb_width + wall + base_h - pcb_groove]); -}; +// mounting cylinder + holes +mounthole_w = 5; +mounthole_h = 3; +mountcyl_w = mounthole_w + 4*wall; +mountcyl_h = 2*wall; +mountcone_h = mounthole_h + 2*wall; -module batt_clips() { - difference() { - union() { - // frot + rear part of the battery clip - for (r = [0, 180]) { - rotate([0, 0, r]) - translate([batt_len/2+wall/2, 0, batt_clip_h/2+wall/2]) - hull() { - cube([wall, batt_diam + 2*wall, batt_clip_h + wall], center=true); - translate([-15/2, 0, -batt_clip_h/2]) - cube([15, batt_diam+2*wall, wall], center=true); - }; - } - // middle clips - translate([pcb_clip_off+pcb_clip_w/2, 0, batt_clip_h/2+wall/2]) - hull() { - cube([pcb_clip_w, batt_diam + 2*wall, batt_clip_h + wall], center=true); - translate([0, 0, -batt_clip_h/2]) - cube([2*pcb_clip_w, batt_diam+2*wall, wall], center=true); - }; - // pcb holder - pcb side only - translate([-pcb_len/2-wall, -batt_diam/2-wall, 0]) - hull() { - cube([pcb_groove + wall, batt_diam/2 + wall, base_h + pcb_width + wall - pcb_groove]); - translate([-3*(pcb_groove+wall), 0, 0]) - cube([4*(pcb_groove+wall), batt_diam/2 + wall, base_h]); - }; - } - // top part rounded +clip_pretension = 0.5; + +plus_width = 4.5; // width of the + sign + +module case_body() { + hull() { + translate([-batt_len/2-2*wall-cable_sep, -batt_diam/2-wall, 0]) + cube([batt_len + 4*wall + 2*cable_sep, + batt_diam+2*wall, body_top_h]); difference() { - translate([0, 0, infty/4 + wall + batt_diam/2]) - cube([infty/2, infty/2, infty/2], center=true); - translate([-infty/2, 0, batt_diam/2+wall]) + translate([-batt_len/2-2*wall-cable_sep, 0, 0]) rotate([0, 90, 0]) - cylinder(r=batt_diam/2+wall, h = infty); + cylinder(r=batt_diam/2+wall, + h = batt_len + 4*wall + 2*cable_sep); + translate([-infty/2, -infty/2, eps]) cube(infty); }; + translate([-front_flat_len/2, + batt_diam/2 - pcb_width, + -batt_diam/2-2*pcb_comp_h-pcb_thick-wall]) + cube([front_flat_len, pcb_width+wall, eps]); + }; + // mounting cylinders + for (x = [-1, 1]) translate([x*(batt_len/2-mounthole_w/2), + batt_diam/2+wall, 0]) { + translate([0, 0, -batt_diam/2-wall-2*pcb_comp_h-pcb_thick]) + mount_cyl(); // front + translate([0, 0, body_top_h]) // rear + scale([1, 1, -1]) + mount_cyl(); }; }; -module battery() { - // battery - translate([-batt_len/2, 0, batt_diam/2+wall]) - rotate([0, 90, 0]) - cylinder(r=batt_diam/2, h = batt_len); +module mount_cyl() { + assign(h = mounthole_h+wall) + hull () { + translate([0, -mountcyl_w/2+mounthole_h + wall]) + cylinder(r = mountcyl_w/2, h = mountcyl_h); + assign(l = 2*sqrt(h*(mountcyl_w-h))) + translate([-l/2, 0, mountcyl_h + mountcone_h]) + cube([l, eps, eps]); + }; }; - -module main() { + +module case() { difference() { - union() { - base(); - base_protrusions(); - pcb_clips(); - batt_clips(); - }; - // the PCB itself - translate([0, -batt_diam/2-wall-pcb_thick/2, base_h - pcb_groove + pcb_width/2]) - cube([pcb_len, pcb_thick, pcb_width], center=true); - // battery - battery(); - // 4 wire holes at the battery ends - for (j=[-wire_sep/2, wire_sep/2]) - for (i=[-wire_sep/2, wire_sep/2]) - translate([-infty/2, i, batt_diam/2 + wall+j]) - rotate([0, 90, 0]) - rotate([0, 0, 90]) - cylinder(r=wire_thick/2, h = infty, $fn=6); + case_body(); + // upper cube-shaped part + // rotate([20, 0, 0]) + translate([-batt_len/2, -batt_diam/2, 0]) + cube([batt_len, batt_diam, batt_diam]); - // holes for wire from battery to the PCB - translate([-infty/2, -batt_diam/2, base_h + wire_thick/2]) + // battery cylinder for the lower part + translate([-batt_len/2, 0, 0]) rotate([0, 90, 0]) - rotate([0, 0, 90]) - cylinder(r=wire_thick/2, h = infty, $fn=6); - // hole for the cable outlet - translate([-pcb_len/2+pcb_groove+cable_out_diam/2, -batt_diam/2-pcb_thick-2*wall, -infty/2]) - cylinder(r=cable_out_diam/2, h = infty, $fn=6); - // holes for binding to the shoe - for (x = [ - pcb_len/2 + wall + wire_thick/2 + wire_sep, - pcb_len/2 + wall + wire_thick/2, - -pcb_len/2 - wall - wire_thick/2 - wire_sep,, - -pcb_len/2 - wall - wire_thick/2 ]) { - for (y = [-1,1]) { - translate([x, y*(batt_diam/2 + wall + wire_thick/2), -infty/2]) - cylinder(r=wire_thick/2, h=infty, $fn=6); + cylinder(r=batt_diam/2, h = batt_len); + + // hole for PCB + translate([-pcb_len/2-pcb_xoff, + batt_diam/2-pcb_width, + -batt_diam/2-pcb_thick - pcb_comp_h]) + cube([pcb_len, pcb_width, + batt_diam/2 + pcb_thick + pcb_comp_h + eps]); + // hole above the PCB for the outgoing cable + translate([-pcb_len/2-pcb_xoff-2*wall-outcable_w, + batt_diam/2-pcb_width, + -batt_diam/2-pcb_comp_h]) + cube([pcb_len, pcb_width, + batt_diam/2 + pcb_comp_h + eps]); + // cable outlet + translate([-pcb_xoff-pcb_len/2-wall-outcable_w, + -pcb_width+batt_diam/2, + -batt_diam/2-outcable_h]) + cube([outcable_w, infty, outcable_h]); + // hole under the PCB + translate([-pcb_len/2+pcb_groove-pcb_xoff, + batt_diam/2-pcb_width + pcb_groove, + -batt_diam/2-pcb_thick - 2*pcb_comp_h]) + cube([pcb_len-2*pcb_groove, pcb_width-2*pcb_groove, + batt_diam/2 + pcb_thick + pcb_comp_h + eps]); + // hole for prog connector + translate([pcb_len/2-pcb_xoff-pcb_groove-eps, + batt_diam/2-pcb_width/2-prg_width/2, + -batt_diam/2-pcb_thick - 2*pcb_comp_h]) + difference() { + cube([prg_len+pcb_groove+eps, prg_width, + batt_diam/2 + pcb_thick + pcb_comp_h + eps]); + translate([prg_len/2+pcb_groove, -eps, pcb_comp_h]) + cube([prg_len/2+eps, prg_width+2*eps, pcb_thick]); + }; + // LED hole + translate([0, batt_diam/2-pcb_width/2, -infty/2]) { + cylinder(r=led_diam/2, h=infty, $fn=6); + translate([sw_xoff, 0, 0]) + cylinder(r=sw_diam/2, h=infty, $fn=6); + translate([-sw_xoff, 0, 0]) + cylinder(r=sw_diam/2, h=infty, $fn=6); + }; + // space under the wire holes for battery contacts + translate([-batt_len/2-2*wall-cable_sep-eps, 0, 0]) + difference() { + rotate([0, 90, 0]) + cylinder(r = batt_diam/2-wall, h = batt_len + 4*wall + 2*cable_sep + 2*eps); + translate([-infty/2, -infty/2, -batt_end_h]) + cube(infty); }; + // space above the wire holes for battery contacts + translate([-batt_len/2-2*wall-cable_sep-eps, -batt_diam/2, batt_end_h]) + cube([batt_len + 4*wall + 2*cable_sep + 2*eps, + batt_diam, + batt_end_h]); + // wire holes for battery contacts + for (x = [-1, 1]) + for (y = [-1, 1]) + translate([-batt_len/2-wall-eps, x*wire_sep/2, y*wire_sep/2]) + rotate([0, 90, 0]) + cylinder(r = wire_thick/2, h = batt_len + 2*wall + 2*eps, $fn=6); + // wire hole from PCB to battery contacts + // translate([-batt_len/2-wall-eps, 0, -batt_diam/2-pcb_comp_h + wire_thick/2]) + rotate([40, 0, 0]) + translate([-batt_len/2-wall-eps, 0, -batt_diam/2 - wall/2 - wire_thick/2]) + rotate([0, 90, 0]) + cylinder(r = wire_thick/2, h = batt_len + 2*wall + 2*eps, $fn=6); + // hole behind the battery contacts + for(x=[1, -1]) + scale([x, 1, 1]) translate([batt_len/2+wall+cable_sep, 0, 0]) hull() { + translate([0, -batt_diam/2, 0]) + cube([wall + eps, batt_diam, infty]); + rotate([0, 90, 0]) + cylinder(r = batt_diam/2, h = wall+eps); + translate([0, batt_diam/2 - pcb_width, + -batt_diam/2-pcb_comp_h-pcb_thick]) + cube([wall + eps, pcb_width, eps]); + translate([0, batt_diam/2 - pcb_width + 0.5*wall, + -batt_diam/2-2*pcb_comp_h-pcb_thick]) + cube([wall + eps, pcb_width-0.5*wall, eps]); }; - // hole for easy opening - translate([-battside_protrusion_len/2, batt_diam/2+wall+base_batt_extend, base_h-3*battside_protrusion_diam/2]) - rotate([0, 90, 0]) - cylinder(r = battside_protrusion_diam/2, h = battside_protrusion_len, $fn = 4); + // inner hole behind the battery contacts + for(x=[1, -1]) + scale([x, 1, 1]) translate([batt_len/2+wall, 0, 0]) hull() { + translate([0, -batt_diam/2+wall, 0]) + cube([cable_sep + eps, batt_diam-2*wall, infty]); + rotate([0, 90, 0]) + cylinder(r = batt_diam/2-wall, h = cable_sep+eps); + }; + // cable lead to battery contacts + for (x=[1, -1]) scale([x, 1, 1]) + rotate([-140, 0, 0]) + translate([batt_len/2-eps, -wire_thick/2, batt_diam/2-2.7]) + cube([wall+cable_sep+2*eps, wire_thick, 5.4]); + // mounting holes + for(x=[-1,1]) scale([x, 1, 1]) + translate([batt_len/2-mounthole_w/2, batt_diam/2+wall+mounthole_h/2, -infty/2]) + scale([1, mounthole_h/mounthole_w, 1]) + cylinder(r = mounthole_w/2, h = infty); + // grabbing gap + for(x=[-1,1]) scale([x, 1, 1]) + translate([batt_len/2+cable_sep+wall+10, batt_diam/2-pcb_width/2, -batt_diam/2-2*pcb_comp_h-pcb_thick-wall-eps]) + cylinder(r1 = 10, r2 = 10 - wall, h = wall + 2*eps); + // plus sign - vertical line + translate([batt_len/2 - 1.5*wall-plus_width/2, -plus_width/2, -batt_diam/2-wall]) + cube([wall, plus_width, infty]); + // plus and minus signs - horizontal line + for(x=[-1,1]) scale([x, 1, 1]) + translate([batt_len/2 - wall - plus_width, -wall/2, -batt_diam/2-wall]) + cube([plus_width, wall, infty]); }; -}; - -module cover_internal() { - hull() { - base(); - // battery + wall + cable space - translate([-batt_len/2, 0, batt_diam/2+wall]) - rotate([0, 90, 0]) - cylinder(r=batt_diam/2, h = batt_len); - // battery top - translate([0, 0, wall + batt_clip_h]) - cube([batt_len+2*wall + cable_sep, batt_diam + 2*wall, eps], center=true); - // space for PCB - translate([-pcb_len/2-wall, -batt_diam/2-2*wall-pcb_thick, base_h-pcb_groove]) - cube([pcb_len+2*wall, wall+pcb_thick, pcb_width+wall]); + // clip barrier + for (x = [-1, 1]) scale([x, 1, 1]) hull () { + translate([batt_len/2+wall+cable_sep-eps, batt_diam/2-pcb_width+wall/2+lid_sep, + -batt_diam/2-pcb_thick-pcb_comp_h + wall + lid_sep]) + cube([wall+eps, pcb_width-2*wall-2*lid_sep, wall]); + translate([batt_len/2+wall+cable_sep-eps, batt_diam/2-pcb_width+3*wall/2+lid_sep, + -batt_diam/2-pcb_thick-pcb_comp_h + 3*wall + lid_sep]) + cube([eps, pcb_width-4*wall-2*lid_sep, eps]); }; }; -module cover_hole() { - difference() { - cover_internal(); - for (r = [0, 180]) { - rotate([0, 0, r]) - translate([batt_len/2, -infty/2, wall + batt_clip_h]) +module lid_body() { + translate([-batt_len/2 - wall - cable_sep - lid_sep, -batt_diam/2+lid_sep, -batt_diam/2 -wall]) + cube([batt_len + 2*wall + 2*cable_sep + 2*lid_sep, batt_diam-2*lid_sep, batt_diam/2 - batt_end_h + wall - lid_sep]); + hull () { + translate([-batt_len/2 - 2*wall - cable_sep, + -batt_diam/2, -batt_diam/2-wall]) + cube([batt_len + 4*wall + 2*cable_sep, + batt_diam, eps]); + translate([-batt_len/2 - 3*wall - cable_sep, + -batt_diam/2 - wall, -body_top_h-wall/2-lid_sep]) + cube([batt_len + 6*wall + 2*cable_sep, + batt_diam + 2*wall, wall/2]); + }; + // clip behind the battery contacts + for(x=[1, -1]) + scale([x, 1, 1]) translate([batt_len/2+wall+cable_sep+lid_sep, 0, 0]) hull() { + translate([0, -batt_diam/2+lid_sep, -batt_diam/2]) + cube([wall-lid_sep, batt_diam-2*lid_sep, eps]); + rotate([0, 90, 0]) + cylinder(r = batt_diam/2-lid_sep, h = wall-lid_sep); + translate([-clip_pretension, batt_diam/2 - pcb_width + 0.5*wall + lid_sep, + batt_diam/2+2*pcb_comp_h+pcb_thick-lid_sep]) + cube([wall+clip_pretension, pcb_width-0.5*wall-1.5*lid_sep, eps]); + }; + // outer part of the clip behind the battery contacts + for (x=[1, -1]) scale([x, 1, 1]) translate([batt_len/2+2*wall+cable_sep+lid_sep, 0, 0]) hull() { + translate([0, -batt_diam/2 - wall, -body_top_h-wall/2-lid_sep]) + cube([wall-lid_sep, batt_diam + 2*wall, wall/2]); + difference() { + scale([0.3, 1, 1]) + sphere(batt_diam/2+wall); + translate([-infty/2, -infty/2, -infty-body_top_h-lid_sep+2*wall]) cube(infty); - } + translate([-infty-clip_pretension, -infty/2, -infty/2]) + cube(infty); + }; + translate([-clip_pretension, + batt_diam/2 - pcb_width, + batt_diam/2+2*pcb_comp_h+pcb_thick+wall]) + cube([wall-lid_sep, pcb_width+wall, eps]); }; - base_protrusions(); }; -module cover() { +module lid() { difference() { - minkowski() { - cover_internal(); - if (lowres == 1) { - sphere(wall+cover_sep, $fn=6); - } else { - sphere(wall+cover_sep, $fn=16); - } - } - minkowski() { - cover_hole(); - sphere(cover_sep, $fn=8); - }; - // s2 hole - translate([s2_xoff, 0, base_h-pcb_groove + pcb_width/2]) - rotate([90, 0, 0]) - cylinder(r=uswitch_diam/2, h = infty, $fn=6); - // LED hole - translate([led_xoff, 0, base_h-pcb_groove + pcb_width/2]) - rotate([90, 0, 0]) - cylinder(r=led_diam/2, h = infty, $fn=6); - // s1 hole - translate([s1_xoff, 0, base_h-pcb_groove + pcb_width/2]) - rotate([90, 0, 0]) - cylinder(r=uswitch_diam/2, h = infty, $fn=6); - // xy plane - translate([0, 0, -infty/2]) cube(infty, center=true); - } -}; - -translate([0, -19, 0]) - main($fn=128); - + lid_body(); + translate([-batt_len/2+eps, 0, 0]) rotate([0, 90, 0]) + cylinder(r=batt_diam/2, h=batt_len-2*eps); + // clip barrier + for (x = [-1, 1]) scale([x, 1, 1]) hull () { + translate([batt_len/2+wall+cable_sep-clip_pretension, batt_diam/2-pcb_width+wall/2, + batt_diam/2+pcb_thick+pcb_comp_h-2*wall]) + cube([wall+clip_pretension+eps, pcb_width-2*wall, wall]); + translate([batt_len/2+wall+cable_sep-eps, batt_diam/2-pcb_width+wall/2, + batt_diam/2+pcb_thick+pcb_comp_h-4*wall + lid_sep]) + cube([eps, pcb_width-2*wall, eps]); + }; /* -translate([0, 19, 0]) - cover_hole(); + hull() { + difference() { + translate([-batt_len/2-cable_sep-wall, 0, 0]) rotate([0, 90, 0]) + cylinder(r=batt_diam/2-wall-lid_sep, h=batt_len+2*wall+2*cable_sep); + translate([-infty/2, -batt_diam/2, -infty-wire_sep/2-wire_thick/2]) + cube([infty, batt_diam, infty]); + }; + translate([-batt_len/2-cable_sep-wall, batt_diam/2-pcb_width+0.5*wall+0.5*lid_sep, batt_diam/2 + pcb_comp_h+pcb_thick-wall-lid_sep]) + cube([batt_len + 2*wall + 2* cable_sep, pcb_width-1.5*wall-1.5*lid_sep, eps]); + }; */ + }; +}; -// cover($fn=128); -// translate([0, 17, batt_diam + 3*wall + cover_sep]) -// rotate([180, 0, 0]) -// cover($fn=128); - -translate([0, 19, 0]) { - if (lowres == 1) { - cover($fn=16); - } else { - cover($fn=128); - } +if (lowres) { + translate([0, 15, 0]) case(); + translate([0, -15, 0]) rotate([180, 0, 0]) lid(); +} else { + translate([0, 15, batt_diam/2+pcb_thick+2*pcb_comp_h+wall]) + case($fn=128); + translate([0, -15, batt_diam/2+wall]) + lid($fn=128); } +