调整胎心的最大值调整为220，超过都按该值220输出

HealthMonitor.Service/Resolver/PregnancyHeartRateResolver.cs

@@ -236,7 +236,6 @@ namespace HealthMonitor.Service.Resolver
                         // 高频心率启动（在高频第二条才能判断）
                         if (timeDiffInSeconds <= highFreqSampleInterval)
                         {
-
                             var phrFreqstatus = await _deviceCacheMgr.GetPregnancyHeartRateFreqStatusAsync(heartRate.Serialno);
                             if (phrFreqstatus == null)
                             {
@@ -250,6 +249,7 @@ namespace HealthMonitor.Service.Resolver
                                 await _deviceCacheMgr.SetPregnancyHeartRateFreqStatusAsync(heartRate.Serialno, freqFirstPhr);
                                 _logger.LogInformation($"{heartRate.Serialno} 设置高频状态");
                                 phrFreqstatus = await _deviceCacheMgr.GetPregnancyHeartRateFreqStatusAsync(heartRate.Serialno);
+                                // 通过续租 延时计算高频心率的胎心
                             }
 
                             /// phr  PregnancyHeartRate 连续连续正常次数个值都是正常(大于等于triggerHighFreqLow，少于等于triggerHighFreqHig),
@@ -642,7 +642,8 @@ namespace HealthMonitor.Service.Resolver
             #endregion
 
             var fetalHeartRate = SafeType.SafeInt(phrValue * coefficient);
-
+            // 胎心的最大值调整为220，超过都按该值220输出
+            fetalHeartRate = fetalHeartRate>= 220 ? 220 : fetalHeartRate;
 
             var isAbnormal = fetalHeartRate > upperAlarmThreshold ? 1 : (fetalHeartRate < lowerAlarmThreshold ? 2 : 0);
             var phrFreqstatus = await _deviceCacheMgr.GetPregnancyHeartRateFreqStatusAsync(heartRate.Serialno);
@@ -795,6 +796,7 @@ namespace HealthMonitor.Service.Resolver
         ///  去除高频数据
         /// </summary>
         /// <param name="phr"></param>
+        /// <param name="highFreqSampleInterva"></param>
         /// <returns></returns>
         private static List<PregnancyHeartRateModel> GetNonFreqPregnancyHeartRate(List<PregnancyHeartRateModel> phr,int highFreqSampleInterval)
         {
@@ -825,5 +827,39 @@ namespace HealthMonitor.Service.Resolver
         }
 
 
+        /// <summary>
+        /// 获取高频数据
+        /// </summary>
+        /// <param name="phr"></param>
+        /// <param name="highFreqSampleInterval"></param>
+        /// <returns></returns>
+        private static List<PregnancyHeartRateModel> GetFreqPregnancyHeartRate(List<PregnancyHeartRateModel> phr, int highFreqSampleInterval)
+        {
+            phr = phr.OrderByDescending(i => i.LastUpdate).ToList();
+            var freqCollection = new List<PregnancyHeartRateModel>();
+            PregnancyHeartRateModel? previousItem = null;
+
+            foreach (var item in phr)
+            {
+                if (previousItem != null)
+                {
+                    var timeNextDiff = (previousItem.LastUpdate - item.LastUpdate).TotalSeconds;
+                    if (timeNextDiff <= highFreqSampleInterval)
+                    {
+                        freqCollection.Add(previousItem);
+                    }
+                }
+                previousItem = item;
+            }
+
+            // 检查最后一条是否高频
+            if (previousItem != null && (phr.Last().LastUpdate - previousItem.LastUpdate).TotalSeconds <= highFreqSampleInterval)
+            {
+                freqCollection.Add(previousItem);
+            }
+
+            return freqCollection;
+        }
+
     }
 }