From 873dbe61bb2128d95f5539082751c5f31bc5d0bb Mon Sep 17 00:00:00 2001 From: xyy <544939200@qq.com> Date: Fri, 15 May 2026 10:59:24 +0800 Subject: [PATCH] --- ASTM D7896-19瞬态热线法.csproj | 1 + ViewModels/D7896ViewModel.cs | 146 +++++++++++++++++++++--- Views/D7896View.xaml | 203 ++++++++++++++++----------------- 3 files changed, 232 insertions(+), 118 deletions(-) diff --git a/ASTM D7896-19瞬态热线法.csproj b/ASTM D7896-19瞬态热线法.csproj index b746fc5..6d8cff7 100644 --- a/ASTM D7896-19瞬态热线法.csproj +++ b/ASTM D7896-19瞬态热线法.csproj @@ -11,6 +11,7 @@ + diff --git a/ViewModels/D7896ViewModel.cs b/ViewModels/D7896ViewModel.cs index 860303f..c3e22e4 100644 --- a/ViewModels/D7896ViewModel.cs +++ b/ViewModels/D7896ViewModel.cs @@ -1,14 +1,17 @@ -using System; -using System.Collections.ObjectModel; -using System.Threading.Tasks; -using System.Windows; -using CommunityToolkit.Mvvm.ComponentModel; -using CommunityToolkit.Mvvm.Input; +using ASTM_D7896_Tester.Helpers; using ASTM_D7896_Tester.Models; using ASTM_D7896_Tester.Services; -using ASTM_D7896_Tester.Helpers; -using System.Linq; +using CommunityToolkit.Mvvm.ComponentModel; +using CommunityToolkit.Mvvm.Input; +using OxyPlot; +using OxyPlot.Axes; +using OxyPlot.Series; +using System; +using System.Collections.ObjectModel; using System.IO; +using System.Linq; +using System.Threading.Tasks; +using System.Windows; namespace ASTM_D7896_Tester.ViewModels; @@ -89,6 +92,31 @@ public partial class D7896ViewModel : ObservableObject [ObservableProperty] private double _calibrationErrorPercent = 0.0; + + + // 新增核心参数（实时显示） + [ObservableProperty] + private double _platinumVoltage; // 铂丝电压 U_pt (V) + + [ObservableProperty] + private double _standardResistorVoltage; // 标准电阻电压 U_std (V) + + [ObservableProperty] + private double _platinumResistance; // 铂丝电阻 R_pt (Ω) + + [ObservableProperty] + private double _chamberPressure; // 样品池压力 (kPa) + + + + // 当前曲线标题 + [ObservableProperty] + private string _curveTitle = "温升曲线"; + + // 在 ViewModel 中 + [ObservableProperty] + private PlotModel _temperatureCurveModel; + public D7896ViewModel() { _config = JsonConfigHelper.LoadConfig(); @@ -101,6 +129,10 @@ public partial class D7896ViewModel : ObservableObject PressureValue = _config.TestParameters.DefaultPressure; SelectedReferenceLiquid = _config.TestParameters.ReferenceLiquid; ReferenceConductivity = _config.TestParameters.ReferenceConductivity; + IsCleanConfirmed = true; + BubbleRemoved = true; + PlatinumCompatible = true; + AmbientCalibrated = true; } // ========== 原有命令 ========== @@ -177,7 +209,7 @@ public partial class D7896ViewModel : ObservableObject float temperature = await _plcService.ReadFloatAsync(_config.PlcRegisterAddresses.TestTemperature); if (i == 1) TestTemperature = temperature; - + GenerateTemperatureCurve(lambda, alpha); // 更新曲线图 var result = new MeasurementResult { Index = i, @@ -199,6 +231,7 @@ public partial class D7896ViewModel : ObservableObject } } + CalculateAverages(); StatusMessage = "测试完成。"; } @@ -214,6 +247,85 @@ public partial class D7896ViewModel : ObservableObject } } + + // 模拟获取实时核心参数（实际应从PLC读取） + private async Task UpdateRealTimeParametersAsync() + { + if (await _plcService.IsConnectedAsync()) + { + // 示例：从PLC读取这些值（地址需在配置文件中定义） + PlatinumVoltage = await _plcService.ReadFloatAsync(40010); // 假设地址 + StandardResistorVoltage = await _plcService.ReadFloatAsync(40012); + PlatinumResistance = await _plcService.ReadFloatAsync(40014); + ChamberPressure = await _plcService.ReadFloatAsync(40016); + } + } + private void GenerateTemperatureCurve(float lambda, float alpha) + { + // 第一次调用时初始化 PlotModel（只创建一次） + if (TemperatureCurveModel == null) + { + TemperatureCurveModel = new PlotModel + { + Title = "温升曲线对比 (10次测量)", + Background = OxyColors.White + }; + // 添加坐标轴（只添加一次） + TemperatureCurveModel.Axes.Add(new LinearAxis + { + Position = AxisPosition.Bottom, + Title = "时间 (s)", + Minimum = 0, + Maximum = 2 + }); + TemperatureCurveModel.Axes.Add(new LinearAxis + { + Position = AxisPosition.Left, + Title = "温升 (℃)", + Minimum = 0 + }); + } + + // 创建本次测量的曲线系列（用不同颜色区分） + var series = new LineSeries + { + Title = $"第{CurrentMeasurementIndex}次测量", + Color = GetColorForIndex(CurrentMeasurementIndex), + StrokeThickness = 1.5, + MarkerType = MarkerType.None + }; + + // 添加数据点（这里仍用模拟数据，实际应替换为真实采集数据） + // 理论公式：ΔT = (Q/(4πλL)) * ln(t/t0) + C + // 其中 Q 是加热功率，L 是铂丝长度，C 是常数 + double Q = 0.01; // 假设 10mW，实际应从电流和电阻计算 + double L = 0.04; // 40mm + double constant = 0.2; + for (int i = 0; i <= 200; i++) + { + double t = i * 0.01; + double deltaT = (Q / (4 * Math.PI * lambda * L)) * Math.Log(t + 0.1) + constant; + series.Points.Add(new DataPoint(t, deltaT)); + } + + // 将本次曲线添加到同一个 Model 中（叠加） + TemperatureCurveModel.Series.Add(series); + TemperatureCurveModel.InvalidatePlot(true); + CurveTitle = $"已完成 {CurrentMeasurementIndex} 次测量"; + } + + // 辅助方法：根据测量序号返回不同的颜色 + private OxyColor GetColorForIndex(int index) + { + var colors = new[] + { + OxyColors.Red, OxyColors.Blue, OxyColors.Green, OxyColors.Orange, + OxyColors.Purple, OxyColors.Brown, OxyColors.Pink, OxyColors.Cyan, + OxyColors.Magenta, OxyColors.Olive + }; + return colors[(index - 1) % colors.Length]; + } + private void CalculateAverages() { if (Measurements.Count == 0) return; @@ -232,12 +344,9 @@ public partial class D7896ViewModel : ObservableObject CurrentMeasurementIndex = 0; StatusMessage = "已重置"; TestDateTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); - + TemperatureCurveModel = null; // 下次测量会重新初始化 // 重置确认标志（可根据需要决定是否重置） - // IsCleanConfirmed = false; - // BubbleRemoved = false; - // PlatinumCompatible = false; - // AmbientCalibrated = false; + } [RelayCommand] @@ -377,5 +486,14 @@ public partial class D7896ViewModel : ObservableObject { IsCalibrating = false; } + + + + } + + + + + } \ No newline at end of file diff --git a/Views/D7896View.xaml b/Views/D7896View.xaml index d077b50..e3e1d56 100644 --- a/Views/D7896View.xaml +++ b/Views/D7896View.xaml @@ -1,6 +1,7 @@  --> + - + @@ -113,145 +115,138 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - + + - + + + + + + + + - - - - - -