# 页面数据总览来源
1. 冷机调优大屏数据总览的页面数据如下：
   图1数据总览页面   
   ![](https://support.huaweicloud.com/bestpractice-ocsmartcampus/zh-cn_image_0000002496369101.png "点击放大") 
2. 冷机总功率这个图上数据是通过调用"查询冷站的属性历史信息"这个接口获取，对应请求体如下：
   ```
   {
       "end_time": "2025-07-30T15:59:59.000Z",
       "group_duration": "PT5M",
       "limit": 1000,
       "offset": 0,
       "properties_keys": [
           "chiller/sumActivePower",
           "inferenceResult5min/Power",
           "chiller/meanRunningLoad"
       ],
       "start_time": "2025-07-29T16:00:00.000Z"
   }
   ```
   响应结果如下，对应指标用红色字体标识出来了：
   ```
   {
       "contents": [
           {
               "create_time": "2025-07-29T16:00:00.000Z",
               "properties": {
                   "chiller/meanRunningLoad": 0,      ---冷机负载
                   "chiller/sumActivePower": 140,     ---实际功率
                   "inferenceResult5min/Power": 604.63  ---预测功率
               }
           },
           {
               "create_time": "2025-07-29T16:05:00.000Z",
               "properties": {
                   "chiller/meanRunningLoad": 0,
                   "chiller/sumActivePower": 140,
                   "inferenceResult5min/Power": 604.63
               }
           }
       ],
       "site_id": "196a45737829249d1eb681c8"
   }
   ```
   
3. 冷站优化判断条件这个图上数据也是通过调用"查询冷站的属性历史信息"这个接口获取，对应请求体如下：
   ```
   {
       "end_time": "2025-07-30T15:59:59.000Z",
       "limit": 1000,
       "offset": 0,
       "properties_keys": [
           "coolDownWaterMainPipe/supplyWaterTemp",
           "coolDownWaterMainPipe/returnWaterTemp",
           "weather/momentTemp",
           "weather/momentHumidity",
           "weather/meanTemp"
       ],
       "start_time": "2025-07-29T16:00:00.000Z"
   }
   ```
   响应结果如下，对应指标用红色字体标识出来了：
   ```
   {
       "contents": [
           {
               "create_time": "2025-07-29T16:00:00.000Z",
               "properties": {
                   "weather/meanTemp": 27.708333333333332,   ---平均温度
                   "weather/momentHumidity": 88,    ---预测湿度
                   "weather/momentTemp": 28    ---预测温度
               }
           },
           {
               "create_time": "2025-07-29T16:05:00.000Z",
               "properties": {
                   "weather/meanTemp": 27.708333333333332,
                   "weather/momentHumidity": 88,
                   "weather/momentTemp": 28
               }
           }
       ],
       "site_id": "196a45737829249d1eb681c8"
   }
   ```
   
4. 二次管供回水温度这个图上数据先去冷站管理那找到对应冷站，进入冷站详情页面找到如下图对应的二次冷冻水总管的设备对应的设备ID：
   图2二次冷冻水总管获取   
   ![](https://support.huaweicloud.com/bestpractice-ocsmartcampus/zh-cn_image_0000002463329702.png "点击放大")
   接着拿到这个二次冷冻水总管的设备对应的设备ID去调用"查询设备的属性历史信息聚合结果"接口，对应接口请求体如下：
   ```
   {
       "end_time": "2025-07-30T15:59:59.000Z",
       "group_duration": "PT5M",
       "property_paths": [
           "InfoService/ChilledWaterSupplyTemp",
           "InfoService/ChilledWaterReturnTemp",
           "InfoService/SupplyAndReturnTempDiff"
       ],
       "start_time": "2025-07-29T16:00:00.000Z"
   }
   ```
   响应结果如下，对应指标用红色字体标识出来了：
   ```
   {
       "property_info": [
           {
               "property_path": "InfoService/ChilledWaterSupplyTemp",   ---供水温度
               "values": [
                   19,
                   19
               ]
           },
           {
               "property_path": "InfoService/ChilledWaterReturnTemp",  ---回水温度
               "values": [
                   24,
                   24
               ]
           },
           {
               "property_path": "InfoService/SupplyAndReturnTempDiff",  ---供回水温度差
               "values": [
                   5,
                   5
               ]
           }
       ],
       "timestamps": [
           "2025-07-29T16:00:00.000Z",
           "2025-07-29T16:05:00.000Z"
       ]
   }
   ```
   
5. 冷站冷量这个图上数据也是通过调用"查询冷站的属性历史信息"这个接口获取，对应请求体如下：
   ```
   {
       "end_time": "2025-07-30T15:59:59.000Z",
       "group_duration": "PT5M",
       "limit": 1000,
       "offset": 0,
       "properties_keys": [
           "chilledWaterMainPipe/totalCoolingCapacity",
           "chilledWaterMainPipe/firstSupplyWaterTemp",
           "inferenceResult5min/Cooling"
       ],
       "start_time": "2025-07-29T16:00:00.000Z"
   }
   ```
   响应结果如下，对应指标用红色字体标识出来了：
   ```
   {
       "contents": [
           {
               "create_time": "2025-07-29T16:00:00.000Z",
               "properties": {
                   "chilledWaterMainPipe/firstSupplyWaterTemp": 19,    ---实际供水温度
                   "chilledWaterMainPipe/totalCoolingCapacity": 200,   ---实际冷量
                   "inferenceResult5min/Cooling": 0.06    ---预测冷量
               }
           },
           {
               "create_time": "2025-07-29T16:05:00.000Z",
               "properties": {
                   "chilledWaterMainPipe/firstSupplyWaterTemp": 19,
                   "chilledWaterMainPipe/totalCoolingCapacity": 200,
                   "inferenceResult5min/Cooling": 0.06
               }
           }
       ],
       "site_id": "196a45737829249d1eb681c8"
   }
   ```