Stephen Carpenter
4c77428715
Added Design info and notes. Calculate voltages from parameters. Still need frequency calcs. Moved transformer mount away from board and up 2mm. This should add clearance but still could use stability. Should move to full joiners.
95 lines
2.3 KiB
OpenSCAD
95 lines
2.3 KiB
OpenSCAD
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include <BOSL/constants.scad>
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use <BOSL/transforms.scad>
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use <BOSL/shapes.scad>
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use <BOSL/joiners.scad>
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use <inserts/inserts.scad>
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use <./bobbin.scad>
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/* [Options] */
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PCB_Y = 100.80;
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PCB_X = 100.30;
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PCB_Z = 1.69;
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PCB_CLR = 5;
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/* [Design] */
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V_IN = 12;
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Turns_Ratio = 85;
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/* [Mount Stands] */
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Mount_Hole_D = 4.36;
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Mount_X = 74.38;
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Mount_Y = 89.24;
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BOX_WALL = 1.5;
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/* [Render Options] */
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render_fs=.1;
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render_fn=0;
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render_fa=.1;
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// Set Render Options
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$fs= ($preview) ? $fs : render_fs;
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$fn= ($preview) ? $fn : render_fn;
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$fa= ($preview) ? $fa : render_fa;
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zclear=2;
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module print_specs() {
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echo("ZVS Module: QS2015004");
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echo("Input Voltage: 12-48V");
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echo("Max Current: 20A");
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echo("24V no load current: 3A");
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echo("48V no load current: 6A");
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echo("Caps .33uFx6 = 1.90 uF");
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vpk = PI * V_IN;
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opk = vpk*Turns_Ratio;
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oac = opk/sqrt(2);
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echo("Vpk = ", vpk, " volts");
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echo( "OutPk = ", opk," volts");
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echo("RMS = ", oac, " volts");
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}
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//
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print_specs();
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// PCB Board
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up(5) %difference() {
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cuboid([PCB_X,PCB_X,PCB_Z], fillet=3, edges=EDGES_Z_ALL, align=V_TOP);
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left((Mount_Y-Mount_X)/2) yspread(l=Mount_Y) xspread(l=Mount_X)
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cyl(d=Mount_Hole_D, chamfer=0, h=2*PCB_CLR, align=V_CENTER);
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}
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// Box
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difference() {
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left(25/2) cuboid([PCB_X+30+2*BOX_WALL+.4,PCB_Y+2*BOX_WALL+.4,PCB_Z+PCB_CLR+BOX_WALL], fillet=3, edges=EDGES_Z_ALL, align=V_BOTTOM);
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pcb_mount_clearance();
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mount_positions() thread_insertM25(bl=6, bz=-6, $die=true);
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up(2)rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(clear=true);
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}
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up(2) rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(plug=false);
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module mount_positions() {
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left((Mount_Y-Mount_X)/2) yspread(l=Mount_Y) xspread(l=Mount_X) children();
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}
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module pcb_mount_clearance() {
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// clearance
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// pcb itself
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color("yellow") up(.01) cuboid([PCB_X+.4,PCB_Y+.4,PCB_Z+.01], fillet=3, edges=EDGES_Z_ALL, align=V_BOTTOM);
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down(PCB_Z-.01) difference() {
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union() {
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cuboid([PCB_X,PCB_Y,PCB_CLR+.02], fillet=3, edges=EDGES_Z_ALL, align=V_BOTTOM);
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}
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color("green") up(.02) {
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right(PCB_X/2) cuboid([4,PCB_Y,PCB_CLR+.02], align=V_BOTTOM); // Edge Support
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left(PCB_X/2) cuboid([8,PCB_Y,PCB_CLR+.02], align=V_BOTTOM); // Edge Support
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}
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cyl(d=Mount_Hole_D+3, chamfer=0, h=PCB_CLR, align=V_BOTTOM);
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mount_positions() cyl(d=Mount_Hole_D+3, chamfer=0, h=PCB_CLR, align=V_BOTTOM);
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}
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}
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