From 4c77428715e3f17699969160dd91bcdc7ccabe47 Mon Sep 17 00:00:00 2001
From: Stephen Carpenter <sjc@carpanet.net>
Date: Tue, 5 Dec 2023 16:04:05 -0500
Subject: [PATCH] Moved Transformer Mount; Added Design info

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.
---
 zvs-driver.scad | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/zvs-driver.scad b/zvs-driver.scad
index 9ea6e38..53c88cd 100644
--- a/zvs-driver.scad
+++ b/zvs-driver.scad
@@ -13,6 +13,11 @@ PCB_X  = 100.30;
 PCB_Z   = 1.69;
 PCB_CLR = 5;
 
+/* [Design] */
+
+V_IN = 12;
+Turns_Ratio = 85;
+
 /* [Mount Stands] */
 
 Mount_Hole_D = 4.36;
@@ -38,9 +43,17 @@ module print_specs() {
 	echo("Max Current: 20A");
 	echo("24V no load current: 3A");
 	echo("48V no load current: 6A");
-	echo("Caps .33uFx6 = ");
+	echo("Caps .33uFx6 = 1.90 uF");
+
+	vpk = PI * V_IN;
+	opk = vpk*Turns_Ratio;
+	oac = opk/sqrt(2);
+	echo("Vpk = ", vpk, " volts");
+	echo( "OutPk = ", opk," volts"); 
+	echo("RMS = ", oac, " volts");
 }
- 
+//
+print_specs(); 
 // PCB Board
 up(5) %difference() {
 	cuboid([PCB_X,PCB_X,PCB_Z], fillet=3, edges=EDGES_Z_ALL, align=V_TOP);
@@ -53,10 +66,9 @@ difference() {
 	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);
 	pcb_mount_clearance();
 	mount_positions() thread_insertM25(bl=6, bz=-6, $die=true);
-	rotate([00,0,0]) left(5+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(clear=true);
-	thread_insertM25(bl=5, bz=-5, $die=false);
+	up(2)rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(clear=true);
 }
-rotate([00,0,0]) left(5+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(plug=false);
+up(2) rotate([00,0,0]) left(15+6+PCB_X/2) rotate([0,90,90]) bobbin_joiners(plug=false);
 
 module mount_positions() {
 		left((Mount_Y-Mount_X)/2) yspread(l=Mount_Y) xspread(l=Mount_X) children();