647 lines
24 KiB
C#
647 lines
24 KiB
C#
using Microsoft.VisualBasic;
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using PetroleumViscosityTest.Controls;
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using PetroleumViscosityTest.Models;
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using System;
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using System.Collections.Generic;
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using System.IO.Ports;
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using System.Linq;
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using System.Timers;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Threading;
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namespace PetroleumViscosityTest
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{
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public partial class MainWindow : Window
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{
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private ViscosityTestData currentData;
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private List<double> rawTimes = new List<double>();
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// --- 新增 Modbus 通信相关字段 ---
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private SerialPort serialPort;
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private System.Timers.Timer readTimer;
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private byte slaveId = 0x01; // 从机地址，根据实际修改
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private readonly object portLock = new object();
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private System.Diagnostics.Stopwatch stopwatch1 = new System.Diagnostics.Stopwatch();
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private System.Diagnostics.Stopwatch stopwatch2 = new System.Diagnostics.Stopwatch();
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private System.Diagnostics.Stopwatch stopwatch3 = new System.Diagnostics.Stopwatch();
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private System.Diagnostics.Stopwatch stopwatch4 = new System.Diagnostics.Stopwatch();
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// 新增：四个 DispatcherTimer，用于实时更新
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private DispatcherTimer timer1 = new DispatcherTimer();
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private DispatcherTimer timer2 = new DispatcherTimer();
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private DispatcherTimer timer3 = new DispatcherTimer();
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private DispatcherTimer timer4 = new DispatcherTimer();
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// --------------------------------
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public MainWindow()
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{
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InitializeComponent();
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currentData = new ViscosityTestData();
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dpTestDate.SelectedDate = DateTime.Today;
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UpdateThermostatTime();
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// --- 新增：初始化串口通信 ---
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InitSerialPort();
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// 初始化 DispatcherTimer
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timer1.Interval = TimeSpan.FromMilliseconds(100);
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timer1.Tick += (s, e) => { txtTime1.Text = (stopwatch1.Elapsed.TotalSeconds).ToString("F3"); };
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timer2.Interval = TimeSpan.FromMilliseconds(100);
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timer2.Tick += (s, e) => { txtTime2.Text = (stopwatch2.Elapsed.TotalSeconds).ToString("F3"); };
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timer3.Interval = TimeSpan.FromMilliseconds(100);
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timer3.Tick += (s, e) => { txtTime3.Text = (stopwatch3.Elapsed.TotalSeconds).ToString("F3"); };
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timer4.Interval = TimeSpan.FromMilliseconds(100);
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timer4.Tick += (s, e) => { txtTime4.Text = (stopwatch4.Elapsed.TotalSeconds).ToString("F3"); };
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// --------------------------------
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}
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private void InitSerialPort()
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{
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try
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{
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serialPort = new SerialPort("COM7", 9600, Parity.None, 8, StopBits.One); // 请根据实际COM口修改
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serialPort.DataReceived += SerialPort_DataReceived;
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serialPort.Open();
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// 启动定时器，每隔 5 秒读取一次
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readTimer = new System.Timers.Timer(2000);
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readTimer.Elapsed += ReadTimer_Elapsed;
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readTimer.AutoReset = true;
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readTimer.Start();
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txtStatus.Text = "串口已打开，正在读取数据...";
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}
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catch (Exception ex)
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{
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MessageBox.Show($"串口打开失败: {ex.Message}\n请检查COM口号及连接。", "通信错误", MessageBoxButton.OK, MessageBoxImage.Warning);
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txtStatus.Text = "串口打开失败";
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}
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}
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//private void ReadTimer_Elapsed(object sender, ElapsedEventArgs e)
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//{
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// // 发送读保持寄存器指令：功能码 0x03，起始地址 0x0005，读取 2 个寄存器
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// byte[] request = new byte[8];
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// request[0] = slaveId;
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// request[1] = 0x03; // 功能码
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// request[2] = 0x00; // 起始地址高字节
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// request[3] = 0x05; // 起始地址低字节 (0x0005)
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// request[4] = 0x00; // 数量高字节
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// request[5] = 0x02; // 数量低字节 (2 个寄存器)
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// byte[] crc = CalculateCRC16(request, 6);
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// request[6] = crc[0];
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// request[7] = crc[1];
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// lock (portLock)
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// {
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// if (serialPort != null && serialPort.IsOpen)
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// {
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// try
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// {
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// serialPort.Write(request, 0, request.Length);
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// }
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// catch (Exception ex)
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// {
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// Dispatcher.Invoke(() => txtStatus.Text = $"发送失败: {ex.Message}");
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// }
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// }
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// }
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//}
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// 替换原有的 ReadTimer_Elapsed 方法
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private void ReadTimer_Elapsed(object sender, ElapsedEventArgs e)
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{
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lock (portLock)
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{
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if (serialPort == null || !serialPort.IsOpen) return;
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// 从 0x0000 开始读取 20 个寄存器
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byte[] request = new byte[8];
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request[0] = slaveId;
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request[1] = 0x03;
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request[2] = 0x00;
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request[3] = 0x00; // 起始地址 0x0000
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request[4] = 0x00;
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request[5] = 0x14; // 读取 20 个寄存器 (0x0000 ~ 0x0013)
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byte[] crc = CalculateCRC16(request, 6);
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request[6] = crc[0];
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request[7] = crc[1];
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try
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{
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serialPort.Write(request, 0, request.Length);
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}
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catch { }
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}
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}
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private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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try
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{
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System.Threading.Thread.Sleep(50);
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byte[] buffer = new byte[serialPort.BytesToRead];
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serialPort.Read(buffer, 0, buffer.Length);
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if (buffer.Length < 9 || buffer[0] != slaveId || buffer[1] != 0x03)
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return;
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// 解析温度 (0x0005)
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int tempIndex = 3 + (0x0005 - 0x0000) * 2;
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ushort rawTemp = (ushort)((buffer[tempIndex] << 8) | buffer[tempIndex + 1]);
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double temp = rawTemp / 100.0;
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// 解析运行时间 (0x0007) - 这才是您要的恒温时间！
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int timeIndex = 3 + (0x0007 - 0x0000) * 2;
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ushort rawRunTime = (ushort)((buffer[timeIndex] << 8) | buffer[timeIndex + 1]);
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// 根据 0x000F 的值判断单位（0=分钟，1=小时）
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int unitIndex = 3 + (0x000F - 0x0000) * 2;
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ushort timeUnit = (ushort)((buffer[unitIndex] << 8) | buffer[unitIndex + 1]);
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int displayTime = rawRunTime;
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string unit = "分钟";
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if (timeUnit == 1)
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{
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displayTime = rawRunTime; // 小时
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unit = "小时";
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}
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Dispatcher.Invoke(() =>
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{
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txtTestTemp.Text = temp.ToString("F2");
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// 只有当运行时间 >0 时才显示，否则显示等待状态
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if (rawRunTime > 0)
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{
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txtThermostatTime.Text = displayTime.ToString();
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txtStatus.Text = $"温度: {temp:F2}℃ 已运行: {displayTime} {unit} 时间单位寄存器: {timeUnit}";
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}
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else
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{
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txtThermostatTime.Text = "0";
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txtStatus.Text = $"温度: {temp:F2}℃ 等待启动... (运行时间=0)";
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}
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});
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}
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catch (Exception ex)
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{
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Dispatcher.Invoke(() => txtStatus.Text = $"接收错误: {ex.Message}");
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}
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}
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//private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
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//{
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// try
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// {
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// System.Threading.Thread.Sleep(50); // 等待数据收完
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// byte[] buffer = new byte[serialPort.BytesToRead];
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// serialPort.Read(buffer, 0, buffer.Length);
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// // 最小有效响应长度：地址(1) + 功能码(1) + 字节数(1) + 数据(2*2) + CRC(2) = 9
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// if (buffer.Length < 9 || buffer[0] != slaveId || buffer[1] != 0x03)
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// return;
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// // 提取数据：温度寄存器 (0x0005) 和 运行时间寄存器 (0x0007)
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// ushort rawTemp = (ushort)((buffer[3] << 8) | buffer[4]);
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// ushort rawRunTime = (ushort)((buffer[5] << 8) | buffer[6]);
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// double temp = rawTemp / 100.0; // 协议规定小数点2位
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// int runTimeMinutes = rawRunTime; // 假设单位是分钟，直接显示
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// // 更新 UI
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// Dispatcher.Invoke(() =>
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// {
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// // 更新试验温度（如果希望保留手动输入能力，可添加判断条件，这里直接覆盖）
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// txtTestTemp.Text = temp.ToString("F2");
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// // 更新恒温时间
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// txtThermostatTime.Text = runTimeMinutes.ToString();
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// txtStatus.Text = $"实时温度: {temp:F2}℃ 运行时间: {runTimeMinutes} min";
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// });
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// }
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// catch (Exception ex)
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// {
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// Dispatcher.Invoke(() => txtStatus.Text = $"接收错误: {ex.Message}");
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// }
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//}
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private byte[] CalculateCRC16(byte[] data, int length)
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{
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ushort crc = 0xFFFF;
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for (int pos = 0; pos < length; pos++)
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{
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crc ^= data[pos];
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for (int i = 8; i != 0; i--)
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{
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if ((crc & 0x0001) != 0)
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{
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crc >>= 1;
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crc ^= 0xA001;
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}
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else
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{
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crc >>= 1;
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}
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}
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}
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return new byte[] { (byte)(crc & 0xFF), (byte)(crc >> 8) };
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}
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protected override void OnClosed(EventArgs e)
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{
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base.OnClosed(e);
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readTimer?.Stop();
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readTimer?.Dispose();
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if (serialPort != null && serialPort.IsOpen)
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{
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serialPort.Close();
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serialPort.Dispose();
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}
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}
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// 温度变化时自动更新恒温时间（表2）
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private void TxtTestTemp_TextChanged(object sender, TextChangedEventArgs e)
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{
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UpdateThermostatTime();
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}
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private void UpdateThermostatTime()
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{
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if (double.TryParse(txtTestTemp.Text, out double temp))
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{
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int time = Models.Constants.GetThermostatTime(temp);
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txtThermostatTime.Text = time.ToString();
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}
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else
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{
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txtThermostatTime.Text = "";
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}
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}
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// 加载示例数据
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private void BtnLoadExample_Click(object sender, RoutedEventArgs e)
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{
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txtSampleID.Text = "S2026-001";
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txtSampleName.Text = "润滑油";
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txtTestTemp.Text = "50";
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txtConstant.Text = "0.4780";
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txtDensity.Text = "0.85";
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txtOperator.Text = "张三";
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txtRemark.Text = "示例数据";
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txtTime1.Text = "322.4";
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txtTime2.Text = "322.6";
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txtTime3.Text = "321.0";
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txtTime4.Text = "";
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txtTime5.Text = "";
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txtTime6.Text = "";
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UpdateThermostatTime();
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txtStatus.Text = "示例数据已加载";
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}
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// 清空所有输入
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private void BtnClearAll_Click(object sender, RoutedEventArgs e)
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{
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txtSampleID.Clear();
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txtSampleName.Clear();
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txtTestTemp.Clear();
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txtConstant.Clear();
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txtDensity.Clear();
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txtOperator.Clear();
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txtRemark.Clear();
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txtTime1.Clear();
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txtTime2.Clear();
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txtTime3.Clear();
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txtTime4.Clear();
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txtTime5.Clear();
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txtTime6.Clear();
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txtAvgTime.Clear();
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txtViscosity.Clear();
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txtDynamicViscosity.Clear();
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txtValidCount.Clear();
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txtPrecisionJudge.Clear();
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txtRepeatability.Clear();
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txtReproducibility.Clear();
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txtMeasuredRepeatability.Clear();
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txtRepeatJudge.Clear();
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lstRawTimes.ItemsSource = null;
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rawTimes.Clear();
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// 停止并重置所有计时器
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timer1.Stop();
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timer2.Stop();
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timer3.Stop();
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timer4.Stop();
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stopwatch1.Reset();
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stopwatch2.Reset();
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stopwatch3.Reset();
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stopwatch4.Reset();
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txtStatus.Text = "已清空";
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}
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// 清空流动时间
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private void BtnClearTimes_Click(object sender, RoutedEventArgs e)
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{
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txtTime1.Clear();
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txtTime2.Clear();
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txtTime3.Clear();
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txtTime4.Clear();
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txtTime5.Clear();
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txtTime6.Clear();
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rawTimes.Clear();
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timer1.Stop();
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timer2.Stop();
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timer3.Stop();
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timer4.Stop();
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stopwatch1.Reset();
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stopwatch2.Reset();
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stopwatch3.Reset();
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stopwatch4.Reset();
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lstRawTimes.ItemsSource = null;
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}
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// 增加一次测量（在界面中添加更多输入框，为简化，我们已预留6个）
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private void BtnAddMeasurement_Click(object sender, RoutedEventArgs e)
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{
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// 本版本固定6个输入框，无需动态增加
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MessageBox.Show("已支持最多6次测量，请直接在对应框中输入。", "提示");
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}
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// 核心计算：运动粘度、动力粘度、精密度
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private void BtnCalcViscosity_Click(object sender, RoutedEventArgs e)
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{
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try
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{
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// 1. 读取流动时间
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rawTimes = GetTimeValues();
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if (rawTimes.Count < 4)
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{
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MessageBox.Show("至少需要输入4次流动时间！", "数据不足", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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// 2. 读取常数、密度、温度
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if (!double.TryParse(txtConstant.Text, out double constant))
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{
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MessageBox.Show("请输入有效的粘度计常数 C", "参数错误", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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if (!double.TryParse(txtTestTemp.Text, out double temp))
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{
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MessageBox.Show("请输入试验温度", "参数错误", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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double density = 0;
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if (!string.IsNullOrWhiteSpace(txtDensity.Text))
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{
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if (!double.TryParse(txtDensity.Text, out density))
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{
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MessageBox.Show("密度格式错误，将不计算动力粘度", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
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}
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}
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// 3. 根据温度获取允许偏差（%）
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double allowedDeviationPercent = Models.Constants.GetAllowedDeviation(temp);
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double allowedDeviation = 0;
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// 4. 计算平均值、筛选有效数据
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List<double> validTimes = new List<double>();
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double avg = rawTimes.Average();
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bool continueCalc = true;
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int maxIterations = 10; // 防止死循环
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while (continueCalc && maxIterations-- > 0)
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{
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validTimes = rawTimes.Where(t => Math.Abs(t - avg) <= avg * allowedDeviationPercent / 100.0).ToList();
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if (validTimes.Count >= 3)
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{
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double newAvg = validTimes.Average();
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if (Math.Abs(newAvg - avg) < 0.0001)
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continueCalc = false;
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else
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avg = newAvg;
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}
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else
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{
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break;
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}
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}
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if (validTimes.Count < 3)
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{
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MessageBox.Show("有效测量次数不足3次，无法计算！请检查数据是否离散过大。", "精密度超差", MessageBoxButton.OK, MessageBoxImage.Error);
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return;
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}
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double finalAvg = validTimes.Average();
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// 5. 计算运动粘度
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double viscosity = constant * finalAvg;
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// 6. 计算动力粘度（如果有密度）
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double dynamicViscosity = 0;
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if (density > 0)
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{
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dynamicViscosity = viscosity * density;
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}
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// 7. 计算本次测量的重复性（相对极差）
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double measuredRepeatability = 0;
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if (validTimes.Count > 1)
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{
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measuredRepeatability = (validTimes.Max() - validTimes.Min()) / finalAvg * 100;
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}
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// 8. 获取标准重复性限
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double stdRepeatability = Models.Constants.GetRepeatabilityLimit(temp);
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// 9. 更新UI
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txtAvgTime.Text = finalAvg.ToString("F3");
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txtViscosity.Text = viscosity.ToString("F4"); // 四位有效数字
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if (density > 0)
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txtDynamicViscosity.Text = dynamicViscosity.ToString("F4");
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else
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txtDynamicViscosity.Text = "未计算";
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txtValidCount.Text = $"{validTimes.Count} / {rawTimes.Count}";
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txtMeasuredRepeatability.Text = measuredRepeatability.ToString("F2") + "%";
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txtRepeatability.Text = stdRepeatability.ToString("F1") + "%";
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txtReproducibility.Text = Models.Constants.GetReproducibilityLimit(temp).ToString("F1") + "%";
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bool repeatOK = measuredRepeatability <= stdRepeatability;
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txtRepeatJudge.Text = repeatOK ? "合格" : $"超差 (允许 ≤ {stdRepeatability:F1}%)";
|
||
txtRepeatJudge.Foreground = repeatOK ? System.Windows.Media.Brushes.Green : System.Windows.Media.Brushes.Red;
|
||
|
||
txtPrecisionJudge.Text = repeatOK ? "精密度符合要求" : "精密度不符合要求，建议重新测试";
|
||
|
||
// 10. 显示原始数据
|
||
lstRawTimes.ItemsSource = rawTimes.Select((t, i) => new { Display = $"第{i + 1}次: {t:F3}s" }).ToList();
|
||
|
||
// 11. 保存当前数据到模型
|
||
currentData.SampleID = txtSampleID.Text;
|
||
currentData.SampleName = txtSampleName.Text;
|
||
currentData.TestTemp = temp;
|
||
currentData.Constant = constant;
|
||
currentData.Density = density > 0 ? density : (double?)null;
|
||
currentData.RawTimes = rawTimes;
|
||
currentData.ValidTimes = validTimes;
|
||
currentData.AvgTime = finalAvg;
|
||
currentData.Viscosity = viscosity;
|
||
currentData.DynamicViscosity = dynamicViscosity;
|
||
currentData.Operator = txtOperator.Text;
|
||
currentData.TestDate = dpTestDate.SelectedDate ?? DateTime.Now;
|
||
currentData.Remark = txtRemark.Text;
|
||
currentData.Repeatability = measuredRepeatability;
|
||
currentData.IsRepeatabilityOK = repeatOK;
|
||
|
||
txtStatus.Text = $"计算完成，有效次数 {validTimes.Count}，运动粘度 {viscosity:G4} mm²/s";
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
MessageBox.Show($"计算错误: {ex.Message}", "异常", MessageBoxButton.OK, MessageBoxImage.Error);
|
||
}
|
||
}
|
||
|
||
// 从文本框获取流动时间列表
|
||
private List<double> GetTimeValues()
|
||
{
|
||
var list = new List<double>();
|
||
AddIfValid(txtTime1, list);
|
||
AddIfValid(txtTime2, list);
|
||
AddIfValid(txtTime3, list);
|
||
AddIfValid(txtTime4, list);
|
||
AddIfValid(txtTime5, list);
|
||
AddIfValid(txtTime6, list);
|
||
return list;
|
||
}
|
||
|
||
private void AddIfValid(TextBox tb, List<double> list)
|
||
{
|
||
if (!string.IsNullOrWhiteSpace(tb.Text) && double.TryParse(tb.Text, out double val))
|
||
{
|
||
list.Add(val);
|
||
}
|
||
}
|
||
|
||
// 生成原始记录
|
||
private void BtnGenRecord_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
if (currentData.Viscosity <= 0)
|
||
{
|
||
MessageBox.Show("请先计算运动粘度！", "无数据", MessageBoxButton.OK, MessageBoxImage.Warning);
|
||
return;
|
||
}
|
||
var record = new TestRecordControl();
|
||
record.LoadData(currentData);
|
||
ReportContent.Content = record;
|
||
}
|
||
|
||
// 生成测试报告
|
||
private void BtnGenReport_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
if (currentData.Viscosity <= 0)
|
||
{
|
||
MessageBox.Show("请先计算运动粘度！", "无数据", MessageBoxButton.OK, MessageBoxImage.Warning);
|
||
return;
|
||
}
|
||
var report = new TestReportControl();
|
||
report.LoadData(currentData);
|
||
ReportContent.Content = report;
|
||
}
|
||
|
||
// 打印预览
|
||
private void BtnPrintPreview_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
if (ReportContent.Content == null)
|
||
{
|
||
MessageBox.Show("请先生成记录或报告", "无报表", MessageBoxButton.OK, MessageBoxImage.Information);
|
||
return;
|
||
}
|
||
if (ReportContent.Content is FrameworkElement visual)
|
||
{
|
||
PrintDialog printDialog = new PrintDialog();
|
||
if (printDialog.ShowDialog() == true)
|
||
{
|
||
printDialog.PrintVisual(visual, "粘度测试报表");
|
||
}
|
||
}
|
||
}
|
||
|
||
// 第1次
|
||
private void BtnStart1_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
timer1.Stop();
|
||
stopwatch1.Reset();
|
||
stopwatch1.Start();
|
||
timer1.Start();
|
||
}
|
||
|
||
private void BtnStop1_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
timer1.Stop();
|
||
stopwatch1.Stop();
|
||
txtTime1.Text = (stopwatch1.Elapsed.TotalSeconds).ToString("F3");
|
||
}
|
||
|
||
// 第2次
|
||
private void BtnStart2_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
timer2.Stop();
|
||
stopwatch2.Reset();
|
||
stopwatch2.Start();
|
||
timer2.Start();
|
||
}
|
||
|
||
private void BtnStop2_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
timer2.Stop();
|
||
stopwatch2.Stop();
|
||
txtTime2.Text = (stopwatch2.Elapsed.TotalSeconds).ToString("F3");
|
||
}
|
||
|
||
// 第3次
|
||
private void BtnStart3_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
timer3.Stop();
|
||
stopwatch3.Reset();
|
||
stopwatch3.Start();
|
||
timer3.Start();
|
||
}
|
||
|
||
private void BtnStop3_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
timer3.Stop();
|
||
stopwatch3.Stop();
|
||
txtTime3.Text = (stopwatch3.Elapsed.TotalSeconds).ToString("F3");
|
||
}
|
||
|
||
// 第4次
|
||
private void BtnStart4_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
timer4.Stop();
|
||
stopwatch4.Reset();
|
||
stopwatch4.Start();
|
||
timer4.Start();
|
||
}
|
||
|
||
private void BtnStop4_Click(object sender, RoutedEventArgs e)
|
||
{
|
||
timer4.Stop();
|
||
stopwatch4.Stop();
|
||
txtTime4.Text = (stopwatch4.Elapsed.TotalSeconds).ToString("F3");
|
||
}
|
||
}
|
||
} |