上报数据方式优化

ADP/App.xaml.cs

@@ -84,6 +84,7 @@ namespace ADP
             containerRegistry.RegisterScoped<ScopedContext>();
             containerRegistry.RegisterScoped<DeviceManager>();
             containerRegistry.RegisterSingleton<GlobalInfo>();
+            containerRegistry.RegisterSingleton<HardwareDataBroadcaster>();
             //注册AutoMapper
             var config = new MapperConfiguration(
                  cfg => cfg.AddProfile<AutoMapperProfile>(),

Model/Entity/MonitorValueEntity.cs

@@ -9,9 +9,16 @@ namespace Model.Entity
 {
     public class MonitorValueEntity:BaseEntity
     {
+        /// <summary>监测项名称</summary>
         [SugarColumn(ColumnName = "MonitorName")]
-        public string MonitorName { get; set; }
+        public string MonitorName { get; set; } = string.Empty;
+
+        /// <summary>监测值</summary>
         [SugarColumn(ColumnName = "MonitorValue")]
         public double MonitorValue { get; set; }
+
+        /// <summary>作用域标识（台架名称）</summary>
+        [SugarColumn(ColumnName = "Scope")]
+        public string Scope { get; set; } = string.Empty;
     }
 }

Model/Models/AvailableMethodItem.cs

@@ -13,6 +13,8 @@ namespace Model.Models
     public class AvailableMethodItem
     {
         public string DeviceName { get; set; } = string.Empty;
+        /// <summary>硬件指纹（物理设备唯一标识）</summary>
+        public string Fingerprint { get; set; } = string.Empty;
         public string MethodName { get; set; } = string.Empty;
         public string DisplayName { get; set; } = string.Empty;
         public MethodInfo MethodInfo { get; set; } = null!;

Model/Models/HardwareReportArgs.cs

@@ -8,11 +8,19 @@ namespace Model.Models
 {
     public class HardwareReportArgs
     {
-        public string HardwareFingerprint { get; set; } = string.Empty;
+        /// <summary>作用域标识（台架名称）</summary>
-        public string Key { get; set; } = string.Empty;
+        public string Scope { get; set; } = string.Empty;
 
+        /// <summary>硬件指纹（物理设备唯一标识，如 "Tcp:192.168.1.1:5000"）</summary>
+        public string HardwareFingerprint { get; set; } = string.Empty;
+
+        /// <summary>方法名</summary>
+        public string MethodName { get; set; } = string.Empty;
+
+        /// <summary>采样值</summary>
         public double Value { get; set; }
 
+        /// <summary>采样时间</summary>
         public DateTime Time { get; set; } = DateTime.Now;
     }
 }

MonitorModule/ViewModels/MonitorChannel.cs

@@ -16,6 +16,8 @@ namespace MonitorModule.ViewModels
     {
         // ===== 标识 =====
         public string DeviceName { get; init; } = string.Empty;
+        /// <summary>硬件指纹（物理设备唯一标识，用于匹配广播事件）</summary>
+        public string Fingerprint { get; init; } = string.Empty;
         public string MethodName { get; init; } = string.Empty;
         public string DisplayName { get; init; } = string.Empty;
 

MonitorModule/ViewModels/MonitorViewModel.cs

@@ -10,6 +10,7 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Diagnostics;
 using System.Linq;
 using System.Reflection;
 using System.Threading;
@@ -75,7 +76,7 @@ namespace MonitorModule.ViewModels
         public ICommand RefreshCommand { get; }
         #endregion
 
-        #region 私有字段与并发缓存
+        #region 私有字段
         private bool IsInitiated = false;
         private IScopedProvider? _scope;
         private DeviceManager? _deviceManager;
@@ -90,27 +91,24 @@ namespace MonitorModule.ViewModels
         };
         private int _colorIndex;
 
-        // 图表采样定时器 (100ms)
+        /// <summary>广播器（由 UIShare 层注入，每 Scope 一个实例）</summary>
-        private readonly DispatcherTimer _sampleTimer;
+        private HardwareDataBroadcaster? _broadcaster;
-        private double _sampleTime;
-        private const double _sampleInterval = 0.1;
 
-        /// <summary>反射方法缓存：Channel → (MethodInfo, DeviceInstance)</summary>
+        /// <summary>用于 OxyPlot X 轴相对秒数</summary>
-        private readonly Dictionary<MonitorChannel, (MethodInfo Method, object Device)> _methodCache = new();
+        private readonly Stopwatch _stopwatch = new();
+
+        /// <summary>OxyPlot 刷新定时器（仅负责滚动 X 轴 + InvalidatePlot）</summary>
+        private readonly DispatcherTimer _plotRefreshTimer;
+
+        /// <summary>事件订阅令牌，用于 Dispose 时取消订阅</summary>
+        private SubscriptionToken? _subscriptionToken;
 
         // ==========================================
-        // 🟥 基于 Task.Run 批量入库的核心高并发结构
+        // 批量入库核心结构
         // ==========================================
-        /// <summary>高并发无锁无阻塞队列</summary>
         private readonly ConcurrentQueue<MonitorValueEntity> _insertQueue = new();
-
-        /// <summary>常驻后台的数据库消费任务</summary>
         private Task? _dbFlushTask;
-
-        /// <summary>定量触发阈值</summary>
         private const int BulkInsertThreshold = 50;
-
-        /// <summary>防并发消费锁标志</summary>
         private int _isFlushing = 0;
         #endregion
 
@@ -127,206 +125,139 @@ namespace MonitorModule.ViewModels
             RefreshDataCommand = new DelegateCommand(OnRefreshData);
             RefreshCommand = new DelegateCommand(OnExpand);
 
-            // 前端采样定时器保持 100ms
+            // OxyPlot 刷新定时器（1000ms，只负责视觉更新）
-            _sampleTimer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(_sampleInterval) };
+            _plotRefreshTimer = new DispatcherTimer(DispatcherPriority.Background)
-            _sampleTimer.Tick += OnSampleTick;
+            {
+                Interval = TimeSpan.FromMilliseconds(1000)
+            };
+            _plotRefreshTimer.Tick += OnPlotRefreshTick;
         }
 
-        /// <summary>
-        /// 页面销毁与清理
-        /// </summary>
         public void Dispose()
         {
-            // 1. 率先掐断所有底层的异步信号（引发 Task.Delay 抛出异常安全退出常驻循环）
             _monitorCTS?.Cancel();
             _monitorCTS?.Dispose();
             _monitorCTS = null;
 
-            // 2. 停掉前端 UI 定时器
+            _plotRefreshTimer.Stop();
-            _sampleTimer?.Stop();
+            _plotRefreshTimer.Tick -= OnPlotRefreshTick;
-            _sampleTimer.Tick -= OnSampleTick;
+            _stopwatch.Stop();
+
+            // 取消 EventAggregator 订阅
+            if (_subscriptionToken != null)
+                _eventAggregator.GetEvent<HardwareDataReportedEvent>().Unsubscribe(_subscriptionToken);
 
-            // 3. 🟥 等待后台入库消费 Task 彻底结束，最大安全等待 1.5 秒
             if (_dbFlushTask != null)
             {
-                try
+                try { _dbFlushTask.Wait(TimeSpan.FromSeconds(1.5)); } catch { }
-                {
-                    _dbFlushTask.Wait(TimeSpan.FromSeconds(1.5));
-                }
-                catch { /* 忽略退出时的线程取消异常 */ }
             }
 
-            // 4. 释放容器作用域及清空集合
             _scope?.Dispose();
             Channels.Clear();
             AvailableMethods.Clear();
-            _methodCache.Clear();
         }
 
-        #region 🟥 核心逻辑：基于 Task.Run 的常驻后台消费循环
+        #region 事件驱动：接收广播数据
         /// <summary>
-        /// 开启常驻后台的数据库消费线程
+        /// 由 HardwareDataBroadcaster 通过 EventAggregator 广播触发。
+        /// 已通过 ThreadOption.UIThread 确保在 UI 线程执行。
+        /// 通过 HardwareFingerprint + MethodName 匹配监测通道。
         /// </summary>
+        private void OnHardwareDataReceived(HardwareReportArgs args)
+        {
+            // 仅处理属于当前 Scope 的事件
+            if (string.IsNullOrEmpty(TestStatus) || args.Scope != TestStatus) return;
+
+            // 以硬件指纹 + 方法名唯一匹配通道（与逻辑名解耦）
+            var channel = Channels.FirstOrDefault(c =>
+                c.Fingerprint == args.HardwareFingerprint &&
+                c.MethodName == args.MethodName &&
+                c.IsMonitored);
+
+            if (channel == null) return;
+
+            double time = _stopwatch.Elapsed.TotalSeconds;
+
+            // 记录数据点（线程安全：Record 内部 ConcurrentQueue + Series 操作）
+            channel.Record(time, args.Value);
+
+            // 入队数据库批量写入
+            var entity = new MonitorValueEntity
+            {
+                MonitorName = channel.DisplayName,
+                MonitorValue = args.Value,
+                Scope = args.Scope,
+                CreateTime = DateTime.Now,
+                IsDel = 0
+            };
+            _insertQueue.Enqueue(entity);
+
+            if (_insertQueue.Count >= BulkInsertThreshold)
+            {
+                _ = Task.Run(async () => await DoFlushWorkAsync().ConfigureAwait(false));
+            }
+        }
+        #endregion
+
+        #region OxyPlot 视觉刷新定时器
+        private void OnPlotRefreshTick(object? sender, EventArgs e)
+        {
+            if (!_stopwatch.IsRunning) return;
+
+            double elapsed = _stopwatch.Elapsed.TotalSeconds;
+            var xAxis = Plot.Axes.FirstOrDefault(a => a.Position == AxisPosition.Bottom);
+            if (xAxis != null)
+            {
+                double window = 10000 * 0.1; // 20s 视窗
+                xAxis.Minimum = Math.Max(0, elapsed - window);
+                xAxis.Maximum = elapsed + 0.5;
+            }
+            Plot.InvalidatePlot(true);
+        }
+        #endregion
+
+        #region 后台数据库批量入库
         private void StartDbFlushWorker(CancellationToken token)
         {
             _dbFlushTask = Task.Run(async () =>
             {
-                // 只要未触发取消信号，就一直在后台默默轮询
                 while (!token.IsCancellationRequested)
                 {
                     try
                     {
-                        // 💡 核心策略一：定时兜底。每隔 1 秒强制检查一次队列。
-                        // ConfigureAwait(false) 彻底丢弃 UI 上下文，拥抱线程池极致速度。
                         await Task.Delay(TimeSpan.FromSeconds(1), token).ConfigureAwait(false);
-
-                        // 批量提取并刷入数据库
                         await DoFlushWorkAsync().ConfigureAwait(false);
                     }
-                    catch (OperationCanceledException)
+                    catch (OperationCanceledException) { break; }
-                    {
-                        break; // 正常收到退出信号，跳出循环
-                    }
                     catch (Exception ex)
                     {
-                        System.Diagnostics.Debug.WriteLine($"[DB Worker Error] 后台写入数据库异常: {ex.Message}");
+                        System.Diagnostics.Debug.WriteLine($"[DB Worker Error] {ex.Message}");
                     }
                 }
-
-                // 💡 核心策略二：临终遗言。当页面被关闭后，把队列里剩余的所有漏网之鱼彻底一次性洗干净。
                 await DoFlushWorkAsync().ConfigureAwait(false);
-
             }, token);
         }
 
-        /// <summary>
-        /// 纯粹的数据消费与批量 BulkCopy 入库
-        /// </summary>
         private async Task DoFlushWorkAsync()
         {
             if (_insertQueue.IsEmpty) return;
-
-            // CAS 原子自增锁，确保同一时间只有一个线程在向 SqlSugar 投递这批数据
             if (Interlocked.CompareExchange(ref _isFlushing, 1, 0) != 0) return;
 
             try
             {
                 var listToInsert = new List<MonitorValueEntity>();
-
+                while (_insertQueue.TryDequeue(out var entity)) listToInsert.Add(entity);
-                // 一口气掏空当前并发队列里的所有实体
-                while (_insertQueue.TryDequeue(out var entity))
-                {
-                    listToInsert.Add(entity);
-                }
 
                 if (listToInsert.Count > 0)
                 {
-                    // 调用你的 Service 层的 SqlSugar 批量写入
                     var result = await _monitorValueService.InsertRangeAsync(listToInsert).ConfigureAwait(false);
-                    if (!result.IsSuccess)
-                    {
-                        System.Diagnostics.Debug.WriteLine($"[DB Bulk Error] 批量入库失败: {result.Msg}");
-                    }
                 }
             }
-            finally
+            finally { Interlocked.Exchange(ref _isFlushing, 0); }
-            {
-                Interlocked.Exchange(ref _isFlushing, 0); // 释放锁
-            }
         }
         #endregion
 
-        #region 采样定时器与高并发处理（100ms）
+        #region Navigation 导航
-        private async void OnSampleTick(object? sender, EventArgs e)
-        {
-            _sampleTime += _sampleInterval;
-
-            if (Channels.Count == 0 || _methodCache.Count == 0) return;
-
-            var sampleTasks = new List<Task>();
-            var token = _monitorCTS?.Token ?? CancellationToken.None;
-
-            // 1. 并行发起所有通道的数据采集
-            foreach (var channel in Channels)
-            {
-                if (!channel.IsMonitored) continue;
-                if (!_methodCache.TryGetValue(channel, out var entry)) continue;
-
-                sampleTasks.Add(Task.Run(async () =>
-                {
-                    try
-                    {
-                        var (method, device) = entry;
-                        var parmsInfo = method.GetParameters();
-                        object?[]? invokeArgs = parmsInfo.Length == 1 && parmsInfo[0].ParameterType == typeof(CancellationToken)
-                            ? new object[] { token }
-                            : null;
-
-                        if (method.Invoke(device, invokeArgs) is Task<string> task)
-                        {
-                            // 硬件读取，彻底跑在后台线程池
-                            string raw = await task.ConfigureAwait(false);
-
-                            if (double.TryParse(raw, out double value))
-                            {
-                                // A. 更新本地图表数据缓存
-                                channel.Record(_sampleTime, value);
-
-                                // B. 封装实体
-                                var entity = new MonitorValueEntity
-                                {
-                                    MonitorName = channel.DisplayName,
-                                    MonitorValue = value,
-                                    CreateTime = DateTime.Now,
-                                    IsDel = 0
-                                };
-
-                                // C. 🟥 直接压入无锁队列，耗时极其微小，绝不卡硬件采集
-                                _insertQueue.Enqueue(entity);
-
-                                // D. 🟥 核心策略三：定量触发。如果采集数据爆棚，瞬间堆积超过50条，不等1秒定时器，直接开辟后台任务去写入
-                                if (_insertQueue.Count >= BulkInsertThreshold)
-                                {
-                                    _ = Task.Run(async () => await DoFlushWorkAsync().ConfigureAwait(false));
-                                }
-                            }
-                        }
-                    }
-                    catch
-                    {
-                        // 某个硬件通道故障时不干扰其他通道
-                    }
-                }, token));
-            }
-
-            // 2. 批量等待并发采样，加入 2 秒强制超时保护兜底
-            if (sampleTasks.Count > 0)
-            {
-                try
-                {
-                    var delayTask = Task.Delay(TimeSpan.FromSeconds(2), token);
-                    await Task.WhenAny(Task.WhenAll(sampleTasks), delayTask);
-                }
-                catch (OperationCanceledException)
-                {
-                    return;
-                }
-            }
-
-            // 3. 【回归 UI 线程】执行 OxyPlot 坐标滚动与刷新
-            var xAxis = Plot.Axes.FirstOrDefault(a => a.Position == AxisPosition.Bottom);
-            if (xAxis != null)
-            {
-                double window = 200 * _sampleInterval;
-                xAxis.Minimum = Math.Max(0, _sampleTime - window);
-                xAxis.Maximum = _sampleTime + 0.5;
-            }
-
-            Plot.InvalidatePlot(true);
-        }
-        #endregion
-
-        #region Navigation 导航重写
         public override void OnNavigatedTo(NavigationContext navigationContext)
         {
             base.OnNavigatedTo(navigationContext);
@@ -339,18 +270,28 @@ namespace MonitorModule.ViewModels
                 _scope = _globalInfo.ScopeDic[TestStatus];
                 _scopedContext = _scope.Resolve<ScopedContext>();
                 _deviceManager = _scope.Resolve<DeviceManager>();
+                _broadcaster = _scope.Resolve<HardwareDataBroadcaster>();
                 IsInitiated = true;
 
                 if (_monitorCTS == null) _monitorCTS = new CancellationTokenSource();
 
-                // 🟥 1. 先把后台数据库消费专线拉起来
+                // 1. 启动后台数据库消费
                 StartDbFlushWorker(_monitorCTS.Token);
 
-                // 2. 扫描可用硬件方法
+                // 2. 扫描可监测方法（供 UI 选择）
                 DiscoverAvailableMethods();
 
-                // 3. 开启 100ms 硬件采集
+                // 3. 启动广播器（Discover + Start）
-                _sampleTimer.Start();
+                _broadcaster.Discover();
+                _broadcaster.Start();
+
+                // 4. 订阅 HardwareDataReportedEvent（UI 线程回调）
+                _subscriptionToken = _eventAggregator.GetEvent<HardwareDataReportedEvent>()
+                    .Subscribe(OnHardwareDataReceived, ThreadOption.UIThread);
+
+                // 5. 启动 OxyPlot 视觉刷新定时器
+                _stopwatch.Start();
+                _plotRefreshTimer.Start();
             }
         }
         #endregion
@@ -388,7 +329,22 @@ namespace MonitorModule.ViewModels
         }
         #endregion
 
-        #region 设备方法发现
+        #region 设备方法发现（仅用于 UI 展示可选项）
+        /// <summary>
+        /// 通过 GlobalInfo.HardwarePool 构建 设备实例引用→硬件指纹 的反向查找表。
+        /// </summary>
+        private Dictionary<object, string> BuildInstanceToFingerprint()
+        {
+            var map = new Dictionary<object, string>(ReferenceEqualityComparer.Instance);
+            foreach (var poolEntry in _globalInfo.HardwarePool)
+            {
+                var lazy = poolEntry.Value;
+                if (lazy.IsValueCreated && lazy.Value != null)
+                    map[lazy.Value] = poolEntry.Key;
+            }
+            return map;
+        }
+
         private void DiscoverAvailableMethods()
         {
             AvailableMethods.Clear();
@@ -398,24 +354,26 @@ namespace MonitorModule.ViewModels
                 return;
             }
 
+            var instanceToFp = BuildInstanceToFingerprint();
+
             foreach (var kvp in _deviceManager.DeviceMap)
             {
                 string deviceName = kvp.Key;
                 var device = kvp.Value;
                 var deviceType = device.GetType();
 
+                // 反查该实例的硬件指纹
+                if (!instanceToFp.TryGetValue(device, out string? fingerprint))
+                    continue;
+
                 var methods = deviceType.GetMethods(BindingFlags.Public | BindingFlags.Instance)
                     .Where(m =>
                     {
-                        var attribute = m.GetCustomAttribute<MonitorableAttribute>();
+                        if (m.GetCustomAttribute<MonitorableAttribute>() == null) return false;
-                        if (attribute == null) return false;
                         if (m.ReturnType != typeof(Task<string>)) return false;
-
                         var parms = m.GetParameters();
-                        bool validParams = parms.Length == 0 ||
+                        return parms.Length == 0 ||
-                            (parms.Length == 1 && parms[0].ParameterType == typeof(CancellationToken));
+                               (parms.Length == 1 && parms[0].ParameterType == typeof(CancellationToken));
-
-                        return validParams;
                     });
 
                 foreach (var method in methods)
@@ -425,15 +383,15 @@ namespace MonitorModule.ViewModels
                         ? $"{deviceName}.{attr.Description}"
                         : $"{deviceName}.{method.Name}";
 
-                    var item = new AvailableMethodItem
+                    AvailableMethods.Add(new AvailableMethodItem
                     {
                         DeviceName = deviceName,
+                        Fingerprint = fingerprint,
                         MethodName = method.Name,
                         DisplayName = displayName,
                         MethodInfo = method,
                         Device = device
-                    };
+                    });
-                    AvailableMethods.Add(item);
                 }
             }
 
@@ -453,7 +411,8 @@ namespace MonitorModule.ViewModels
                 return;
             }
 
-            if (Channels.Any(c => c.DeviceName == method.DeviceName && c.MethodName == method.MethodName))
+            // 以指纹+方法名去重，防止同一物理设备重复添加
+            if (Channels.Any(c => c.Fingerprint == method.Fingerprint && c.MethodName == method.MethodName))
             {
                 StatusMessage = $"监测项 [{method.DisplayName}] 已存在";
                 return;
@@ -465,6 +424,7 @@ namespace MonitorModule.ViewModels
             var channel = new MonitorChannel
             {
                 DeviceName = method.DeviceName,
+                Fingerprint = method.Fingerprint,
                 MethodName = method.MethodName,
                 DisplayName = method.DisplayName,
                 Color = color,
@@ -480,8 +440,6 @@ namespace MonitorModule.ViewModels
             };
             Plot.Series.Add(channel.Series);
 
-            _methodCache[channel] = (method.MethodInfo, method.Device);
-
             channel.PropertyChanged += (s, e) =>
             {
                 if (e.PropertyName == nameof(MonitorChannel.IsDisplayed))
@@ -505,8 +463,6 @@ namespace MonitorModule.ViewModels
             }
 
             if (target.Series != null) Plot.Series.Remove(target.Series);
-
-            _methodCache.Remove(target);
             Channels.Remove(target);
             SelectedChannel = Channels.LastOrDefault();
 
@@ -550,11 +506,9 @@ namespace MonitorModule.ViewModels
                     };
 
                     var recent = channel.DataPoints.ToArray();
-                    var startIdx = Math.Max(0, recent.Length - 200);
+                    var startIdx = Math.Max(0, recent.Length - 10000);
                     for (int i = startIdx; i < recent.Length; i++)
-                    {
                         channel.Series.Points.Add(new DataPoint(recent[i].Time, recent[i].DisplayValue));
-                    }
 
                     Plot.Series.Add(channel.Series);
                     Plot.InvalidatePlot(true);
@@ -574,16 +528,13 @@ namespace MonitorModule.ViewModels
         public void OnChannelMathChanged(MonitorChannel channel)
         {
             if (channel.Series == null) return;
-
             var points = channel.DataPoints.ToArray();
             channel.Series.Points.Clear();
-            var startIdx = Math.Max(0, points.Length - 200);
+            var startIdx = Math.Max(0, points.Length - 10000);
             for (int i = startIdx; i < points.Length; i++)
-            {
                 channel.Series.Points.Add(new DataPoint(points[i].Time, points[i].DisplayValue));
-            }
             Plot.InvalidatePlot(true);
         }
         #endregion
     }
-}
+}

UIShare/GlobalVariable/HardwareDataBroadcaster.cs

@@ -0,0 +1,207 @@
+using Common.Attributes;
+using DeviceCommand.Base;
+using Model.Models;
+using Prism.Events;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Windows.Threading;
+using UIShare.PubEvent;
+
+namespace UIShare.GlobalVariable
+{
+    /// <summary>
+    /// 硬件数据广播器（中间层，全局单例）：
+    /// 直接基于 GlobalInfo.HardwarePool 中的设备指纹字典进行统一采样，
+    /// 每个物理设备只采样一次，然后向所有引用该设备的作用域分别广播 HardwareDataReportedEvent。
+    /// 解决多作用域共享同一物理设备时的重复采样问题。
+    /// DeviceCommand 层无需引用 Prism，完全解耦。
+    /// </summary>
+    public class HardwareDataBroadcaster : IDisposable
+    {
+        private readonly IEventAggregator _eventAggregator;
+        private readonly GlobalInfo _globalInfo;
+
+        /// <summary>采样定时器</summary>
+        private readonly DispatcherTimer _sampleTimer;
+
+        /// <summary>
+        /// 已注册的采样项：(Fingerprint, MethodName, 编译后的委托, DeviceInstance)
+        /// 委托签名统一为 Func&lt;object, CancellationToken, Task&lt;string&gt;&gt;
+        ///   - 第一个参数 = 设备实例（open delegate 风格，编译时已做类型转换）
+        ///   - 第二个参数 = CancellationToken（无参方法会忽略它）
+        ///   - 返回值 = Task&lt;string&gt;
+        /// </summary>
+        private readonly List<(string Fingerprint, string MethodName, Func<object, CancellationToken, Task<string>> Invoker, object Device)> _registeredMethods = new();
+
+        private CancellationTokenSource? _cts;
+        private bool _disposed;
+
+        /// <summary>采样间隔（默认 1000ms）</summary>
+        public TimeSpan SampleInterval
+        {
+            get => _sampleTimer.Interval;
+            set => _sampleTimer.Interval = value;
+        }
+
+        public HardwareDataBroadcaster(GlobalInfo globalInfo, IEventAggregator eventAggregator)
+        {
+            _globalInfo = globalInfo;
+            _eventAggregator = eventAggregator;
+
+            _sampleTimer = new DispatcherTimer(DispatcherPriority.Normal)
+            {
+                Interval = TimeSpan.FromMilliseconds(1000)
+            };
+            _sampleTimer.Tick += OnSampleTick;
+        }
+
+        /// <summary>
+        /// 将 MethodInfo 编译为强类型委托，后续调用零反射开销。
+        /// 统一签名为 Func&lt;object, CancellationToken, Task&lt;string&gt;&gt;：
+        ///   - 无参方法：忽略 CancellationToken
+        ///   - 带 CancellationToken 方法：直接透传
+        /// </summary>
+        private static Func<object, CancellationToken, Task<string>> BuildInvoker(MethodInfo method)
+        {
+            var deviceParam = Expression.Parameter(typeof(object), "device");
+            var ctParam = Expression.Parameter(typeof(CancellationToken), "ct");
+
+            // 将 object 转型为方法的声明类型
+            var castDevice = Expression.Convert(deviceParam, method.DeclaringType!);
+
+            // 根据方法签名决定传参
+            var parms = method.GetParameters();
+            Expression[] callArgs = parms.Length == 1
+                ? new Expression[] { ctParam }
+                : Array.Empty<Expression>();
+
+            var call = Expression.Call(castDevice, method, callArgs);
+
+            return Expression.Lambda<Func<object, CancellationToken, Task<string>>>(
+                call, deviceParam, ctParam).Compile();
+        }
+
+        /// <summary>
+        /// 扫描 GlobalInfo.HardwarePool 中所有已创建的物理设备，
+        /// 反查可监测方法并编译为委托。每个指纹只注册一次，反射只执行一次。
+        /// </summary>
+        public void Discover()
+        {
+            _registeredMethods.Clear();
+
+            foreach (var poolEntry in _globalInfo.HardwarePool)
+            {
+                string fingerprint = poolEntry.Key;
+                var lazy = poolEntry.Value;
+
+                // 只监控已经实例化的设备
+                if (!lazy.IsValueCreated || lazy.Value == null) continue;
+
+                var device = lazy.Value;
+                var deviceType = device.GetType();
+
+                var methods = deviceType.GetMethods(BindingFlags.Public | BindingFlags.Instance)
+                    .Where(m =>
+                    {
+                        if (m.GetCustomAttribute<MonitorableAttribute>() == null) return false;
+                        if (m.ReturnType != typeof(Task<string>)) return false;
+                        var parms = m.GetParameters();
+                        return parms.Length == 0 ||
+                               (parms.Length == 1 && parms[0].ParameterType == typeof(CancellationToken));
+                    });
+
+                foreach (var method in methods)
+                {
+                    var invoker = BuildInvoker(method);
+                    _registeredMethods.Add((fingerprint, method.Name, invoker, device));
+                }
+            }
+        }
+
+        /// <summary>获取指定硬件指纹当前被哪些作用域引用</summary>
+        private List<string> GetScopesForFingerprint(string fingerprint)
+        {
+            if (_globalInfo.DeviceAndScopeDic.TryGetValue(fingerprint, out var lazy))
+            {
+                var scopeList = lazy.Value;
+                lock (scopeList) return scopeList.ToList();
+            }
+            return new List<string>();
+        }
+
+        /// <summary>启动采样广播（幂等）</summary>
+        public void Start()
+        {
+            if (_disposed) return;
+            _cts ??= new CancellationTokenSource();
+            if (!_sampleTimer.IsEnabled) _sampleTimer.Start();
+        }
+
+        /// <summary>停止采样</summary>
+        public void Stop()
+        {
+            _sampleTimer.Stop();
+        }
+
+        private void OnSampleTick(object? sender, EventArgs e)
+        {
+            if (_registeredMethods.Count == 0 || _disposed) return;
+
+            var token = _cts?.Token ?? CancellationToken.None;
+            var now = DateTime.Now;
+
+            foreach (var entry in _registeredMethods)
+            {
+                // fire-and-forget：每个通道独立采样，完成后自行广播
+                _ = Task.Run(async () =>
+                {
+                    try
+                    {
+                        // 直接委托调用，零反射开销
+                        string raw = await entry.Invoker(entry.Device, token).ConfigureAwait(false);
+
+                        if (!double.TryParse(raw, out double value)) return;
+
+                        // 向所有引用该物理设备的作用域分别广播
+                        var scopes = GetScopesForFingerprint(entry.Fingerprint);
+                        foreach (var scope in scopes)
+                        {
+                            _eventAggregator.GetEvent<HardwareDataReportedEvent>().Publish(new HardwareReportArgs
+                            {
+                                Scope = scope,
+                                HardwareFingerprint = entry.Fingerprint,
+                                MethodName = entry.MethodName,
+                                Value = value,
+                                Time = now
+                            });
+                        }
+                    }
+                    catch
+                    {
+                        // 单个通道故障不干扰其他通道
+                    }
+                }, token);
+            }
+
+            // 不在 UI 线程 await——任务在线程池上自行完成并广播事件，
+            // DispatcherTimer 按设定间隔准时触发下一次 Tick。
+        }
+
+        public void Dispose()
+        {
+            if (_disposed) return;
+            _disposed = true;
+            _sampleTimer.Stop();
+            _sampleTimer.Tick -= OnSampleTick;
+            try { _cts?.Cancel(); } catch { }
+            _cts?.Dispose();
+            _cts = null;
+            _registeredMethods.Clear();
+        }
+    }
+}