DESKTOP-PUHFO60\dsx2016
c35ed7a7a9
Provide OpenSCAD source, watertight front/back STLs, and print/assembly docs. Co-authored-by: Cursor <cursoragent@cursor.com>
301 lines
8.5 KiB
OpenSCAD
301 lines
8.5 KiB
OpenSCAD
/*
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* CYD ESP32-2432S028R + DHT11 桌面斜立外壳
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* Climate Dashboard Case — parametric OpenSCAD
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*
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* 零件：
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* part = "front" 前框（屏窗）
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* part = "back" 后盖 + 斜立支架 + DHT 通风仓
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* part = "assembly" 装配预览（半透明板子）
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*
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* 导出 STL（本机安装 OpenSCAD 后）:
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* openscad -o export/front.stl -D part=\"front\" cyd_climate_case.scad
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* openscad -o export/back.stl -D part=\"back\" cyd_climate_case.scad
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*/
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/* [Which part] */
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part = "assembly"; // ["front", "back", "assembly"]
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/* [PCB / CYD] */
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pcb_l = 86.0;
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pcb_w = 50.0;
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pcb_t = 1.6;
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pcb_corner_r = 4.0;
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mh_inset = 4.0; // 安装孔距角边中心
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mh_dia = 3.2; // PCB 孔
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/* [Display] */
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disp_l = 69.0;
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disp_w = 50.0;
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disp_h = 4.0;
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disp_x = 8.0; // 屏相对 PCB 左边偏移
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view_l = 59.5;
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view_w = 45.0;
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view_inset_x = 7.0; // 相对屏模组
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view_inset_y = 2.5;
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/* [Case shell] */
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wall = 2.4;
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gap = 0.4; // 板与壳间隙
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front_lip = 1.2; // 屏边压边宽度
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bezel_front_t = 2.0; // 前框面板厚度
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cavity_back = 7.0; // 背面元件净空
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stand_angle = 60; // 桌面倾角（度，相对水平）
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stand_foot = 18; // 支脚接触深度
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/* [USB dual cutout] */
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usb_dual = true;
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usb_w = 14.0; // 双口合并开孔宽
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usb_h = 8.5;
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usb_y = 30.5; // 相对 PCB 原点（短边为 X=0 侧）
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/* [Buttons] */
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btn_enable = true;
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btn_dia = 4.5;
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/* [DHT11 bay] */
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dht_enable = true;
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dht_bay_l = 22;
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dht_bay_w = 18;
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dht_bay_h = 14;
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dht_vent_slot = 1.6;
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dht_vent_gap = 2.8;
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/* [Screws] */
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screw_m3 = 3.2;
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boss_od = 7.2;
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boss_id = 2.6; // 自攻进塑料
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$fn = 48;
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// ---- derived ----
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inner_l = pcb_l + 2 * gap;
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inner_w = pcb_w + 2 * gap;
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outer_l = inner_l + 2 * wall;
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outer_w = inner_w + 2 * wall;
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case_h = bezel_front_t + disp_h + pcb_t + cavity_back + wall;
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mh_pts = [
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[mh_inset, mh_inset],
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[pcb_l - mh_inset, mh_inset],
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[pcb_l - mh_inset, pcb_w - mh_inset],
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[mh_inset, pcb_w - mh_inset]
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];
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module rounded_rect(l, w, h, r) {
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hull() {
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for (x = [r, l - r], y = [r, w - r])
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translate([x, y, 0]) cylinder(h = h, r = r);
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}
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}
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module cyd_mock() {
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color("gold")
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difference() {
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rounded_rect(pcb_l, pcb_w, pcb_t, pcb_corner_r);
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for (p = mh_pts)
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translate([p[0], p[1], -0.1])
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cylinder(d = mh_dia, h = pcb_t + 0.2);
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}
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color("black")
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translate([disp_x, 0, pcb_t])
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cube([disp_l, disp_w, disp_h]);
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color("navy")
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translate([disp_x + view_inset_x, view_inset_y, pcb_t + disp_h])
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cube([view_l, view_w, 0.2]);
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}
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// 前框：从屏面方向看，Z=0 为最前表面
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module front_bezel() {
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view_x = wall + gap + disp_x + view_inset_x;
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view_y = wall + gap + view_inset_y;
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difference() {
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union() {
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// 前表面
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rounded_rect(outer_l, outer_w, bezel_front_t, 3);
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// 侧壁向下包住屏+PCB 前半
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translate([0, 0, bezel_front_t])
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difference() {
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rounded_rect(outer_l, outer_w, disp_h + pcb_t * 0.5, 3);
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translate([wall, wall, -0.1])
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rounded_rect(inner_l, inner_w, disp_h + pcb_t + 1, 2);
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}
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// 止口（与后盖搭接）
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translate([wall * 0.45, wall * 0.45, bezel_front_t + disp_h + pcb_t * 0.5 - 0.01])
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difference() {
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rounded_rect(outer_l - wall * 0.9, outer_w - wall * 0.9, 2.2, 2.4);
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translate([wall * 0.55, wall * 0.55, -0.1])
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rounded_rect(outer_l - wall * 2.0, outer_w - wall * 2.0, 3, 1.6);
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}
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}
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// 可视窗
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translate([view_x - 0.3, view_y - 0.3, -0.1])
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cube([view_l + 0.6, view_w + 0.6, bezel_front_t + 1]);
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// 屏模组沉台（背面）
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translate([wall + gap + disp_x - 0.3, wall + gap - 0.2, bezel_front_t - 0.05])
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cube([disp_l + 0.6, disp_w + 0.4, disp_h + 0.5]);
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// 螺丝通孔
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for (p = mh_pts)
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translate([wall + gap + p[0], wall + gap + p[1], -0.1])
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cylinder(d = screw_m3 + 0.2, h = case_h);
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}
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// 压屏边框内侧（窄边）
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difference() {
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translate([wall + gap + disp_x, wall + gap, bezel_front_t])
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cube([disp_l, disp_w, 0.8]);
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translate([view_x - 0.2, view_y - 0.2, bezel_front_t - 0.1])
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cube([view_l + 0.4, view_w + 0.4, 2]);
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}
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}
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// 后盖主体（不含支架倾转）；本地坐标：PCB 底面朝上放置时的壳
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module back_shell_body() {
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shell_h = cavity_back + wall;
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pcb_z = wall + cavity_back; // PCB 底面高度（元件朝下进腔）
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difference() {
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union() {
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rounded_rect(outer_l, outer_w, shell_h, 3);
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// 止口凹槽配合前框（外壳顶部一圈台阶）
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translate([0, 0, shell_h - 0.01])
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difference() {
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rounded_rect(outer_l, outer_w, 2.0, 3);
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translate([wall * 0.5, wall * 0.5, -0.05])
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rounded_rect(outer_l - wall, outer_w - wall, 2.5, 2.4);
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}
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// 螺丝柱
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for (p = mh_pts) {
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translate([wall + gap + p[0], wall + gap + p[1], wall])
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difference() {
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cylinder(d = boss_od, h = cavity_back - 0.2);
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translate([0, 0, 1])
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cylinder(d = boss_id, h = cavity_back);
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}
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}
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// DHT 通风仓（PCB 长边外侧，靠近 CN1：x≈51）
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if (dht_enable) {
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dht_x = wall + gap + 48;
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dht_y = outer_w - wall * 0.2;
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translate([dht_x, dht_y, wall])
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dht_bay();
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}
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}
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// 内腔
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translate([wall, wall, wall])
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rounded_rect(inner_l, inner_w, shell_h, 1.8);
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// USB 开孔（短边 x=0 侧）
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usb_cut_y = wall + gap + usb_y - usb_w / 2;
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translate([-0.1, usb_cut_y, wall + 1.5])
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cube([wall + 1.2, usb_w, usb_h]);
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// SD 卡槽（可选宽缝）
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translate([wall + gap + 28, outer_w - wall - 0.1, wall + 2])
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cube([16, wall + 1, 3.2]);
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// BOOT / RST 软按开孔（背面）
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if (btn_enable) {
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translate([wall + gap + 10, wall + gap + 12, -0.1])
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cylinder(d = btn_dia, h = wall + 0.3);
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translate([wall + gap + 10, wall + gap + 22, -0.1])
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cylinder(d = btn_dia, h = wall + 0.3);
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}
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// 散热缝
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for (i = [0:4])
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translate([wall + 12 + i * 12, wall + 8, -0.1])
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hull() {
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cylinder(d = 2.2, h = wall + 0.3);
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translate([0, 10, 0]) cylinder(d = 2.2, h = wall + 0.3);
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}
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// DHT 线槽通向 CN1
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if (dht_enable) {
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translate([wall + gap + 48, outer_w - wall - 2, wall + 2])
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cube([8, wall + 4, 4]);
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}
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}
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}
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module dht_bay() {
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// 局部：仓体贴在 outer 长边外侧
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difference() {
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translate([0, 0, 0])
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rounded_rect(dht_bay_l, dht_bay_w + wall, dht_bay_h, 2);
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translate([wall * 0.6, wall * 0.6, wall * 0.6])
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cube([dht_bay_l - wall * 1.2, dht_bay_w, dht_bay_h]);
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// 顶面百叶通风
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for (i = [0:4])
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translate([3 + i * dht_vent_gap, dht_bay_w * 0.3, dht_bay_h - wall - 0.1])
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cube([dht_vent_slot, dht_bay_w * 0.55, wall + 0.3]);
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// 侧面通风
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for (i = [0:2])
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translate([4 + i * 5.5, dht_bay_w + wall - 0.2, 3 + i * 0.2])
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cube([dht_vent_slot, wall + 0.4, 6]);
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}
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}
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// 带斜立支架的后盖（打印时支脚朝下）
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module back_with_stand() {
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shell_h = cavity_back + wall;
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// 后盖：PCB 元件朝下；支架使屏幕斜立
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// 组装时：屏幕朝向 -Z 转 stand_angle
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union() {
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back_shell_body();
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// 三角形支脚（沿 PCB 长边下方）
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stand_len = outer_l * 0.72;
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stand_x = (outer_l - stand_len) / 2;
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// 支脚从后盖底面向后延伸
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translate([stand_x, -stand_foot + 0.5, 0])
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difference() {
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cube([stand_len, stand_foot, shell_h]);
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// 挖空减料
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translate([2, 2, wall])
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cube([stand_len - 4, stand_foot - 2, shell_h]);
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// 斜切贴合桌面视觉（打印可平放）
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translate([-0.1, 0, shell_h])
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rotate([-stand_angle + 90, 0, 0])
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cube([stand_len + 0.2, 40, 40]);
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}
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// 后支撑肋
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translate([outer_l * 0.5 - 1.2, -stand_foot + 1, wall])
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cube([2.4, stand_foot - 1, shell_h - wall - 1]);
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}
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}
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module assembly() {
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// 后盖在下
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color("SteelBlue", 0.85) back_with_stand();
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// PCB：元件朝下坐在腔顶
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translate([wall + gap, wall + gap, wall + cavity_back])
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rotate([180, 0, 0])
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translate([0, -pcb_w, -pcb_t])
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%cyd_mock();
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// 前框盖上
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translate([0, 0, wall + cavity_back + pcb_t + disp_h + bezel_front_t])
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rotate([180, 0, 0])
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translate([0, -outer_w, 0])
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color("SlateGray", 0.7) front_bezel();
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}
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if (part == "front")
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front_bezel();
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else if (part == "back")
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back_with_stand();
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else
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assembly();
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