4·
10 days agoThe mentioned php file:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Charging Time Calculator (PHP)</title>
<style>
body { font-family: Arial, sans-serif; background: #f4f4f4; color: #333; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; }
.box { background: #fff; padding: 20px 30px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); width: 100%; max-width: 400px; }
h1 { margin-top: 0; text-align: center; }
.field { margin-bottom: 15px; }
label { display: block; margin-bottom: 5px; font-weight: bold; }
input[type="number"] { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; }
button { width: 100%; padding: 10px; background: #28a745; color: white; border: none; border-radius: 4px; cursor: pointer; }
button:hover { background: #218838; }
.result { margin-top: 20px; background: #e9ecef; padding: 15px; border-radius: 4px; }
</style>
</head>
<body>
<div class="box">
<h1>Charging Time Calculator</h1>
<?php
// Default values at the top
$default_capacity = 52.0; // kWh
$default_current_pct = 55.0; // %
$default_target_pct = 80.0; // %
$default_power_kw = 1.8; // kW
$default_loss_pct = 15.2; // Charging loss in %
// I have extended the PHP script with the new field for charging loss (default 15.2%).
// The loss is applied immediately after calculating the net energy requirement,
// so the charging time is determined based on the inclusive energy requirement (net + loss).
// Additionally, the result view now shows the following values:
// - Net energy required
// - Configured charging loss
// - Energy requirement including loss
// Take from POST or use defaults
$capacity = isset($_POST['capacity']) ? floatval($_POST['capacity']) : $default_capacity;
$current = isset($_POST['current']) ? floatval($_POST['current']) : $default_current_pct;
$target = isset($_POST['target']) ? floatval($_POST['target']) : $default_target_pct;
$power = isset($_POST['power']) ? floatval($_POST['power']) : $default_power_kw;
$loss = isset($_POST['loss']) ? floatval($_POST['loss']) : $default_loss_pct;
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
// Calculation
$percent_to_charge = max(0, $target - $current);
// Net energy requirement
$energy_needed_raw = ($percent_to_charge / 100) * $capacity; // in kWh
// Energy requirement including charging loss
$energy_needed = $energy_needed_raw * (1 + $loss / 100);
// Charging time based on the increased energy requirement
$time_hours = $power > 0 ? $energy_needed / $power : 0; // in hours
$hours = floor($time_hours);
$minutes = round(($time_hours - $hours) * 60);
?>
<div class="result">
<p><strong>Remaining Charging Time:</strong> <?= $hours ?> h <?= $minutes ?> min</p>
<p><strong>Percent to Charge:</strong> <?= number_format($percent_to_charge, 1) ?> %</p>
<p><strong>Energy to Charge (net):</strong> <?= number_format($energy_needed_raw, 2) ?> kWh</p>
<p><strong>Charging Loss:</strong> <?= number_format($loss, 1) ?> %</p>
<p><strong>Energy to Charge (incl. loss):</strong> <?= number_format($energy_needed, 2) ?> kWh</p>
</div>
<?php } ?>
<form method="post">
<div class="field">
<label for="capacity">Battery Capacity (kWh)</label>
<input type="number" step="0.1" name="capacity" id="capacity" value="<?= htmlspecialchars($capacity) ?>" required>
</div>
<div class="field">
<label for="current">Current Charge Level (%)</label>
<input type="number" step="1" min="0" max="100" name="current" id="current" value="<?= htmlspecialchars($current) ?>" required>
</div>
<div class="field">
<label for="target">Desired Charge Level (%)</label>
<input type="number" step="1" min="0" max="100" name="target" id="target" value="<?= htmlspecialchars($target) ?>" required>
</div>
<div class="field">
<label for="power">Charging Power (kW)</label>
<input type="number" step="0.1" min="0.1" name="power" id="power" value="<?= htmlspecialchars($power) ?>" required>
</div>
<div class="field">
<label for="loss">Charging Loss (%)</label>
<input type="number" step="0.1" min="0" max="100" name="loss" id="loss" value="<?= htmlspecialchars($loss) ?>" required>
</div>
<button type="submit">Calculate</button>
</form>
</div>
</body>
</html>
Weil er auf deutsch halt so garnicht funzt.
Ich hab das erst gecheckt, als ich die englische variante gelesen hab.
:D