处理掉多余文件，修改CAN描述

UIShare/GlobalVariable/DeviceManager.cs

@@ -29,6 +29,9 @@ namespace UIShare.GlobalVariable
         private readonly string _scopeName;
         private readonly IEventAggregator _eventAggregator;
 
+        /// <summary>设备健康监控器：独立心跳检测 + 自动重连，与监控采样互不冲突</summary>
+        private DeviceHealthMonitor? _healthMonitor;
+
         /// <summary>按 DeviceName 索引的设备字典，便于业务层按名取实例。</summary>
         public IDictionary<string, IBaseInterface> DeviceMap { get; private set; }
             = new Dictionary<string, IBaseInterface>(StringComparer.OrdinalIgnoreCase);
@@ -209,6 +212,30 @@ namespace UIShare.GlobalVariable
             }
 
             await Task.WhenAll(tasks);
+
+            // 所有设备连接完成后，启动健康监控（心跳重连）
+            StartHealthMonitor();
+        }
+
+        /// <summary>
+        /// 启动设备健康监控器：周期性检查设备连接状态，断连自动重连。
+        /// 与 HardwareDataBroadcaster 的监控采样互不干扰。
+        /// </summary>
+        private void StartHealthMonitor()
+        {
+            if (_healthMonitor != null || DeviceMap.Count == 0) return;
+
+            _healthMonitor = new DeviceHealthMonitor(DeviceMap, _systemConfig, _scopeName);
+            _healthMonitor.Start();
+            LoggerHelper.Info($"[{_scopeName}] 心跳重连机制已激活");
+        }
+
+        /// <summary>停止设备健康监控器</summary>
+        private void StopHealthMonitor()
+        {
+            _healthMonitor?.Stop();
+            _healthMonitor?.Dispose();
+            _healthMonitor = null;
         }
 
 
@@ -277,6 +304,9 @@ namespace UIShare.GlobalVariable
         /// </summary>
         public async Task CloseAllDevicesAsync()
         {
+            // 先停止健康监控，避免重连定时器与关闭操作冲突
+            StopHealthMonitor();
+
             List<Task> tasks = new List<Task>();
 
             lock (_lockObj)
@@ -523,6 +553,9 @@ namespace UIShare.GlobalVariable
 
         public void Dispose()
         {
+            // 停止健康监控
+            StopHealthMonitor();
+
             // 停止 CAN 信号监测服务
             _CANMonitoringService?.Stop();