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Added ability to add PCB to PSU.

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Also added two slimline LED PSUs with PCBs and terminals at both ends.
This commit is contained in:
Martin Budden
2022-01-23 23:21:10 +00:00
parent df3da13d6b
commit 680563808a
3 changed files with 111 additions and 23 deletions
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38
vitamins/psu.scad
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@@ -29,6 +29,7 @@ use <../utils/sector.scad>
use <../utils/round.scad>
use <fan.scad>
use <iec.scad>
use <pcb.scad>
use <rocker.scad>
use <terminal.scad>
@@ -53,8 +54,9 @@ function atx_psu(type) = type[7]; //! True if an ATX style PSU
function psu_left_bay(type) = type[8]; //! Bay for terminals
function psu_right_bay(type) = type[9]; //! Bay for heatsink
function psu_terminals(type) = type[10]; //! How many terminals and the y offset from the back
function psu_faces(type) = type[11]; //! List of face descriptions
function psu_accessories(type) = type[12]; //! Accessories to add to BOM, e.g. mains lead
function psu_pcb(type) = type[11]; //! The PCB
function psu_faces(type) = type[12]; //! List of face descriptions
function psu_accessories(type) = type[13]; //! Accessories to add to BOM, e.g. mains lead
function psu_face_transform(type, face) = //! Returns a transformation matrix to get to the specified face
let(l = psu_length(type),
@@ -129,8 +131,13 @@ module psu(type) { //! Draw a power supply
polygon([for(p = cutout) p]);
for(h = psu_face_holes(f))
translate(h)
drill(screw_pilot_hole(psu_screw(type)), 0);
translate([h.x, h.y])
hull() {
drill(psu_screw(type) == false ? psu_screw_hole_radius(type) : screw_pilot_hole(psu_screw(type)), 0);
if (is_list(h[2]))
translate([h[2].x, h[2].y])
drill(psu_screw(type) == false ? psu_screw_hole_radius(type) : screw_pilot_hole(psu_screw(type)), 0);
}
g = psu_face_grill(f);
if(g) {
@@ -210,17 +217,15 @@ module psu(type) { //! Draw a power supply
lt = psu_face_thickness(faces[f_left]);
cutout = psu_face_cutouts(faces[f_left])[0];
z = psu_terminal_block_z(type);
pw = w -ft - bt;
pl = l - right - rt;
pcb_thickness = 1.6;
pcb = [l - right - rt, w - ft - bt, 1.6];
heatsink_offset = 13.5;
color("#FCD67E")
translate([(-right - rt) / 2, (ft - bt) / 2, z - pcb_thickness])
linear_extrude(pcb_thickness)
translate([(-right - rt) / 2, (ft - bt) / 2, z - pcb.z])
linear_extrude(pcb.z)
difference() {
square([pl, pw], center = true);
square([pcb.x, pcb.y], center = true);
translate([-pl / 2, -pw / 2])
translate([-pcb.x / 2, -pcb.y / 2])
square(16, center = true);
}
@@ -237,7 +242,7 @@ module psu(type) { //! Draw a power supply
earth_d = 5;
translate([-l / 2 + earth_inset, w / 2 - tab_w / 2]) {
color("silver")
cylinder(d = earth_d, h = z - pcb_thickness);
cylinder(d = earth_d, h = z - pcb.z);
translate_z(z + lt)
not_on_bom() no_explode()
@@ -274,6 +279,13 @@ module psu(type) { //! Draw a power supply
}
}
}
// PCB
pcb = psu_pcb(type);
if (pcb) {
translate(pcb[0])
pcb(pcb[1]);
}
}
module psu_screw_positions(type, face = undef) { //! Position children at the screw positions on the preferred mounting face, which can be overridden.
@@ -284,7 +296,7 @@ module psu_screw_positions(type, face = undef) { //! Position children at the sc
if(len(psu_faces(type)) > f)
multmatrix(psu_face_transform(type, f))
for(point = psu_face_holes(psu_faces(type)[f]))
translate(point)
translate([point.x, point.y])
children();
}