CN104633460B - Water floor heating pipe permeates the control method of online monitoring system - Google Patents
Water floor heating pipe permeates the control method of online monitoring system Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 238000010438 heat treatment Methods 0.000 title claims abstract description 92
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000012466 permeate Substances 0.000 title 1
- 230000008595 infiltration Effects 0.000 claims abstract description 16
- 238000001764 infiltration Methods 0.000 claims abstract description 16
- 230000035515 penetration Effects 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 20
- 238000013480 data collection Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000012417 linear regression Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 6
- 238000004891 communication Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000008236 heating water Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000013500 data storage Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
本发明公开了一种水地暖管渗透在线监控系统及其控制方法，其中系统包括分液器与集液器，所述分液器的进口端与进液总管连接，该分液器的多个出液支管上均连接有地暖管，多根所述地暖管均铺设在同一区域，所述地暖管的出口端一一对应连接在所述集液器的进液支管上，所述集液器的出口与出液总管相连，在每根地暖管的进口端设置有第一流量计，在每根地暖管的出口端设置有第二流量计，所述第一流量计与第二流量计均接入监控电路。其显著效果是：能够准确对地暖管的渗透现象进行监控，并对渗透位置进行定位，可为地暖管的维护带来便利；当出现渗透后只对故障地暖管关断，使用更加灵活，有助于降低财产损失。
The invention discloses an on-line monitoring system and a control method for the penetration of water and floor heating pipes. The system includes a liquid separator and a liquid collector. The outlet branch pipes are connected with floor heating pipes, and a plurality of the floor heating pipes are laid in the same area, and the outlet ends of the floor heating pipes are connected to the liquid inlet branch pipes of the liquid collector one by one, and the liquid collector The outlet of each floor heating pipe is connected to the main liquid outlet, and a first flowmeter is arranged at the inlet end of each floor heating pipe, and a second flowmeter is arranged at the outlet end of each floor heating pipe, and the first flowmeter and the second flowmeter are both Access to the monitoring circuit. Its remarkable effect is: it can accurately monitor the infiltration phenomenon of the floor heating pipe, and locate the infiltration position, which can bring convenience to the maintenance of the floor heating pipe; when the infiltration occurs, only the faulty floor heating pipe is shut off, and the use is more flexible and effective. Help reduce property damage.
Description
技术领域technical field
本发明涉及到水地暖管道防漏检测技术领域，具体地说，是一种水地暖管渗透在线监控系统及其控制方法。The invention relates to the technical field of leak-proof detection of water and floor heating pipes, in particular to an on-line monitoring system for water and floor heating pipe penetration and a control method thereof.
背景技术Background technique
目前地暖在日常家庭使用日渐增多，以热介质不同分为水地暖和电地暖。水地暖是需要管道进行热水的循环运输，在长期使用过程中，常常忽略对管道的管理与维护，会导致一定的渗透现象，其回水量会减少，供暖效果大大减弱。而渗透前期很难发现，一旦发生就会逐渐发展为出现漏水，并且不断加重，当发现时已经造成了较大的经济损失。为此，人们进行了长期的探索，提出了各种各样的解决方案。At present, the use of floor heating in daily households is increasing day by day, and it is divided into water floor heating and electric floor heating according to different heat media. Underfloor heating requires pipes to circulate hot water. During long-term use, the management and maintenance of pipes are often neglected, which will lead to a certain infiltration phenomenon, the amount of return water will be reduced, and the heating effect will be greatly weakened. However, it is difficult to find in the early stage of penetration. Once it occurs, it will gradually develop into water leakage, and it will continue to aggravate. When it is discovered, it has caused relatively large economic losses. For this reason, people have carried out long-term exploration, put forward various solutions.
然而，现在常用检测方法是当水管漏水现象明显后向水管内加压判断是否漏水。这种方法对地暖漏水现象的监测存在相当大的滞后。However, the common detection method now is to pressurize the water pipe to determine whether it is leaking when the water pipe leaks obviously. This method has a considerable lag in the monitoring of floor heating water leakage.
另外，还有人提出了一种如中国专利CN 201220111755.5公开了一种用于地暖防漏的自动保护装置，该装置通过第一流量传感器及第二流量传感器实时监测地暖水管的进水量及出水量，中央处理控制模块接收到信号并进行程序运算，当处于地下的地暖水管破裂时，中央处理控制模块控制电磁水阀关闭地暖进水管，防止地暖水管继续漏水，并进行报警。然而该装置存在如下缺陷：一是用户家里存在多根 地暖管，不能准确定位出现渗透的地暖管，不能为地暖管的维护带来便捷；二是报警信号容易遗漏，报警方式不灵活，使用效果较差；三是未能实现多维监控，容易出现误报警。In addition, someone proposed an automatic protection device for floor heating leakage prevention, such as Chinese patent CN 201220111755.5, which monitors the water inlet and outlet of the floor heating water pipe in real time through the first flow sensor and the second flow sensor. The central processing control module receives the signal and performs program calculations. When the underground floor heating water pipe breaks, the central processing control module controls the electromagnetic water valve to close the floor heating water inlet pipe to prevent the floor heating water pipe from leaking and gives an alarm. However, this device has the following defects: one is that there are many floor heating pipes in the user's home, and the floor heating pipes that have infiltrated cannot be accurately located, which cannot bring convenience to the maintenance of the floor heating pipes; Poor; the third is that multi-dimensional monitoring cannot be realized, and false alarms are prone to occur.
发明内容Contents of the invention
针对现有技术的不足，本发明的目的是提供一种水地暖管渗透在线监控系统及其控制方法，本发明不仅能够实时对地暖管网进行流量监控，而且具有多维监控模式，能够准确定位出现渗透的地暖管，报警方式灵活，使用方便。Aiming at the deficiencies of the prior art, the object of the present invention is to provide an online monitoring system and control method for the infiltration of water floor heating pipes. Penetrating floor heating pipes, flexible alarm methods, and easy to use.
为达到上述目的，具体的技术方案如下：In order to achieve the above purpose, the specific technical scheme is as follows:
一种水地暖管渗透在线监控系统，其关键在于：包括进水管、分水器、地暖管、集水器以及出水管，所述进水管与分水器的进水端相连，出水管与集水器的出水端相连，在分水器的一个出水端和集水器的一个进水端之间连接有一条地暖管，多条地暖管按照并行的路径盘绕在预设的区域，在每一条地暖管的两端还分别串接有进水流量计和出水流量计，所述进水流量计和出水流量计均与数据采集终端相连，该数据采集终端配置有无线传输模块，数据采集终端所采集的数据可通过所述无线传输模块上传到手持移动终端上。An on-line monitoring system for the penetration of water floor heating pipes, the key of which is that it includes a water inlet pipe, a water separator, a floor heating pipe, a water collector and a water outlet pipe, the water inlet pipe is connected to the water inlet end of the water separator, and the water outlet pipe is connected to the water collector. The water outlets of the water tanks are connected, and a floor heating pipe is connected between one water outlet of the water separator and one water inlet of the water collector. Multiple floor heating pipes are coiled in a preset area according to parallel paths. The two ends of the floor heating pipe are respectively connected in series with a water inlet flowmeter and an outlet water flowmeter. Both the inlet water flowmeter and the outlet water flowmeter are connected to a data collection terminal. The data collection terminal is equipped with a wireless transmission module. The collected data can be uploaded to the handheld mobile terminal through the wireless transmission module.
在使用时，在预设的区域通过分水器与集水器铺设多条地暖管，通过进水流量计与出水流量计检测某条地暖管两端的实时水流量信息，所述数据采集终端通过对比两端的水流量信息得出地暖管是否出现渗透现象，即某一条地暖管出水端的水流量相对于进水端的水流量出现较大差异时，则判定为出现渗透，数据采集终端通过无线传输模 块发出报警信号至手持移动终端，人们即可获知出现渗透的地暖管位置，便于维修或再安装。本监控系统通过对同一地暖管铺设区域的每一条地暖管两端的水流量进行实时监控，能够准确定位出现渗透的地暖管位置，可为地暖管的维护带来便利，且有助于降低财产损失；当其中一条地暖管出现渗透时，其余地暖管能够正常使用，保留了部分地暖功能；通过手持终端对地暖管渗透进行报警，使用更加灵活，不易遗漏信息。When in use, multiple floor heating pipes are laid in the preset area through the water separator and the water collector, and the real-time water flow information at both ends of a certain floor heating pipe is detected through the water inlet flowmeter and the water outlet flowmeter. Comparing the water flow information at both ends to determine whether there is infiltration in the floor heating pipe, that is, when the water flow at the outlet end of a certain floor heating pipe is significantly different from the water flow at the inlet end, it is determined that there is infiltration, and the data acquisition terminal passes through the wireless transmission module Send an alarm signal to the handheld mobile terminal, and people can know the location of the infiltrated floor heating pipe, which is convenient for maintenance or reinstallation. This monitoring system monitors the water flow at both ends of each floor heating pipe in the same floor heating pipe laying area in real time, and can accurately locate the location of the floor heating pipe where seepage occurs, which can bring convenience to the maintenance of the floor heating pipe and help reduce property losses ;When one of the floor heating pipes infiltrates, the rest of the floor heating pipes can be used normally, retaining part of the floor heating function; through the handheld terminal to alarm the infiltration of the floor heating pipes, the use is more flexible and it is not easy to miss information.
进一步的，在每一条地暖管的进口端设置有供水阀。Further, a water supply valve is provided at the inlet end of each floor heating pipe.
再进一步的，所述供水阀为电控阀，在所述数据采集终端的控制器上还连接有驱动模块，该驱动模块的输出端与所述供水阀的控制线路相连并控制阀门的开闭。Still further, the water supply valve is an electric control valve, and a drive module is connected to the controller of the data collection terminal, and the output end of the drive module is connected to the control circuit of the water supply valve to control the opening and closing of the valve .
通过控制电控阀工作切断出现渗透的那条地暖管，不仅可以避免更大损失，同时保证其余地暖管能够正常使用，保留该使用区域的部分地暖功能。By controlling the work of the electric control valve to cut off the floor heating pipe that has seepage, not only can avoid greater losses, but also ensure that the rest of the floor heating pipes can be used normally and retain part of the floor heating function in the use area.
再进一步的，在所述数据采集终端的控制器上连接有数据存储模块。Still further, a data storage module is connected to the controller of the data collection terminal.
本系统可通过将实时的水流量信息与历史水流量信息进行对比，有助于指导人们对地暖管进行管理与维护。This system can help guide people to manage and maintain floor heating pipes by comparing real-time water flow information with historical water flow information.
更进一步的，所述无线传输模块为基于GPRS模块。Furthermore, the wireless transmission module is based on a GPRS module.
结合上述水地暖管渗透在线监控系统的结构，本发明还提出了一种基于该水地暖管渗透在线监控系统的控制方法，具体步骤如下：Combining with the above-mentioned structure of the online monitoring system for the penetration of water floor heating pipes, the present invention also proposes a control method based on the online monitoring system for the penetration of water floor heating pipes. The specific steps are as follows:
步骤1：系统初始化；Step 1: System initialization;
步骤2：针对第m根地暖管(3)，在采样周期T内，数据采集终端获取进水流量计(6)产生的脉冲向量X1＝[x11,x12,…,x1n]和出水流量计(7)产生的脉冲向量X2＝[x21,x22,…,x2n]，其中，x1i为进水流量计(6)在第i次采样时的脉冲数，x2i为出水流量计(7)在第i次采样时的脉冲数，i＝1～n，n为周期T内的采样次数；Step 2: For the mth floor heating pipe (3), within the sampling period T, the data acquisition terminal obtains the pulse vector X 1 =[x 11 ,x 12 ,…,x 1n ] and The pulse vector X 2 generated by the outlet flowmeter (7) = [x 21 ,x 22 ,…,x 2n ], where x 1i is the pulse number of the inlet flowmeter (6) at the i-time sampling, x 2i Be the number of pulses of the water outlet flowmeter (7) when it is sampled for the first time, i=1～n, n is the number of times of sampling in the period T;
步骤3：按照构建参数矩阵，并将矩阵X代入多元线性回归模型，按照采用最小二乘法计算得出回归参数的估计值向量其中，Y＝[1，y1,y2,…,yn]，yi为非泄漏状态下第i次采样时参考值；Step 3: Follow the Construct the parameter matrix, and substitute the matrix X into the multiple linear regression model, according to The estimated value vector of the regression parameters is calculated by the method of least squares Among them, Y=[1, y 1 , y 2 ,..., y n ], y i is the reference value at the i-th sampling in the non-leakage state;
步骤4：按照计算向量Y的拟合值向量并按照 计算出残差平方和以及按照计算出残差的标准差 Step 4: Follow the Compute the vector of fitted values for the vector Y and follow Calculate the residual sum of squares and in accordance with Computes the standard deviation of the residuals
步骤5：根据步骤4获得的残差的标准差按照计算回归参数估计值的标准差其中，cjj是矩阵(X′X)-1中第j行第j列位置上的元素，j＝0～2；Step 5: Standard deviation of residuals obtained from step 4 according to Calculate Regression Parameter Estimates standard deviation of Wherein, c jj is the element on the jth row jth column position in the matrix (X′X) -1 , j=0～2;
步骤6：按照计算得出统计量t的数值，并根据统计学的t值表得出其概率值p；Step 6: Follow the Calculate the value of the statistic t, and obtain its probability value p according to the statistical t value table;
步骤7：将步骤6获得的概率值p与预设阈值ε进行比较，若p＞ε则判定该根地暖管出现渗透现象，所述数据采集终端发出报警信号至手持移动终端，同时发出驱动信号控制供水阀切断该根地暖管，否则令T＝T+1并返回步骤2循环进行。Step 7: Compare the probability value p obtained in step 6 with the preset threshold ε. If p>ε, it is determined that the floor heating pipe has seepage phenomenon, and the data collection terminal sends an alarm signal to the handheld mobile terminal, and at the same time sends a driving signal Control the water supply valve to cut off the floor heating pipe, otherwise set T=T+1 and return to step 2 for a cycle.
作为优选，所述采样周期T的取值为24h，所述采样次数n的取 值为12。Preferably, the value of the sampling period T is 24h, and the value of the number of sampling n is 12.
通过本方法所述的处理步骤，能够准确的对地暖管中的渗透现象进行监控，并在出现渗透现象时控制电控阀切断电暖盘管，有助于避免经济损失。Through the processing steps described in the method, the seepage phenomenon in the floor heating pipe can be accurately monitored, and the electric control valve is controlled to cut off the electric heating coil when the seepage phenomenon occurs, which helps to avoid economic losses.
本发明的显著效果是：通过对同一地暖管铺设区域的每一根地暖管两端的水流量进行实时监控，能够准确定位出现渗透的地暖管位置，可为地暖管的维护带来便利；通过手持移动终端与上位机实现了多维实时监控，规避了移动终端传输大量数据容易出现滞后或数据丢失的问题，使得本监控系统具有更好的实时性与准确性；当出现渗透后只对故障地暖管关断，使用更加灵活，且有助于降低财产损失；通过手持终端对地暖管渗透进行报警，不易遗漏信息。The remarkable effect of the present invention is: by monitoring the water flow at both ends of each floor heating pipe in the same floor heating pipe laying area in real time, the position of the floor heating pipe where infiltration occurs can be accurately located, which can bring convenience to the maintenance of the floor heating pipe; The mobile terminal and the host computer realize multi-dimensional real-time monitoring, which avoids the problem of lag or data loss when the mobile terminal transmits a large amount of data, making the monitoring system have better real-time performance and accuracy; when there is infiltration, only the faulty floor heating pipe Shut off, more flexible to use, and help to reduce property losses; through the handheld terminal to alarm the penetration of floor heating pipes, it is not easy to miss information.
附图说明Description of drawings
图1是本发明的结构示意图；Fig. 1 is a structural representation of the present invention;
图2是本发明的电路原理框图；Fig. 2 is a schematic block diagram of the circuit of the present invention;
图3是图2中数据采集终端的电路原理图；Fig. 3 is the circuit schematic diagram of the data acquisition terminal in Fig. 2;
图4是图2中无线传输模块的电路原理图；Fig. 4 is a schematic circuit diagram of the wireless transmission module in Fig. 2;
图5是图2中无线传输模块的SIM卡座电路原理图；Fig. 5 is the schematic diagram of the SIM card holder circuit of the wireless transmission module in Fig. 2;
图6是图2中串口通讯模块的电路原理图；Fig. 6 is the circuit principle diagram of the serial port communication module in Fig. 2;
图7是本发明的控制方法步骤图。Fig. 7 is a step diagram of the control method of the present invention.
具体实施方式detailed description
下面结合附图对本发明的具体实施方式以及工作原理作进一步详细说明。The specific implementation manner and working principle of the present invention will be further described in detail below in conjunction with the accompanying drawings.
如图1-图2所示，一种水地暖管渗透在线监控系统，包括进水管1、分水器2、地暖管3、集水器4以及出水管5，所述进水管1与分水器2的进水端相连，出水管5与集水器4的出水端相连，在分水器2的一个出水端和集水器4的一个进水端之间连接有一条地暖管3，多条地暖管3按照并行的路径盘绕在预设的区域，在每一条地暖管3的两端还分别串接有进水流量计6和出水流量计7，在每一条地暖管3的进口端设置有供水阀8，所述进水流量计6和出水流量计7均与数据采集终端相连，该数据采集终端配置有无线传输模块，数据采集终端所采集的数据可通过所述无线传输模块上传到手持移动终端上。As shown in Figures 1-2, an on-line monitoring system for water floor heating pipe penetration includes a water inlet pipe 1, a water separator 2, a floor heating pipe 3, a water collector 4, and a water outlet pipe 5. The water inlet pipe 1 and the water diversion pipe The water inlet end of the water collector 2 is connected, the water outlet pipe 5 is connected with the water outlet end of the water collector 4, and a floor heating pipe 3 is connected between a water outlet end of the water distributor 2 and a water inlet end of the water collector 4. The floor heating pipes 3 are coiled in the preset area according to the parallel path, and the two ends of each floor heating pipe 3 are also connected in series with the water inlet flowmeter 6 and the water outlet flowmeter 7 respectively, and the inlet end of each floor heating pipe 3 is set There is a water supply valve 8, the water inlet flowmeter 6 and the water outlet flowmeter 7 are all connected to the data collection terminal, the data collection terminal is equipped with a wireless transmission module, and the data collected by the data collection terminal can be uploaded to the on a handheld mobile terminal.
本例中，优选所述供水阀8为电控阀，在所述数据采集终端的控制器上还连接有驱动模块，该驱动模块的输出端与所述供水阀8的控制线路相连并控制阀门的开闭。In this example, preferably the water supply valve 8 is an electric control valve, a drive module is also connected to the controller of the data acquisition terminal, the output end of the drive module is connected to the control circuit of the water supply valve 8 and controls the valve opening and closing.
参见附图2，所述数据采集终端的输入端组通过A/D转换模块分别连接所述的多个进水流量计与出水流量计，所述数据采集终端还通过串口通讯模块连接有无线传输模块，且该无线传输模块与所述手持移动终端相配合，在所述数据采集终端上还连接有数据存储模块。Referring to accompanying drawing 2, the input end group of described data collection terminal is respectively connected with described a plurality of water inlet flowmeters and water outlet flowmeter through A/D conversion module, and described data collection terminal is also connected with wireless transmission through serial port communication module. module, and the wireless transmission module cooperates with the handheld mobile terminal, and a data storage module is also connected to the data collection terminal.
如图2所示，本例中为了实现多维实时监控，所述数据采集终端还与上位机进行信息交互。As shown in FIG. 2 , in this example, in order to realize multi-dimensional real-time monitoring, the data collection terminal also performs information interaction with the host computer.
本例中，为了保证监控数据的实时性，优选所述无线传输模块为基于GPS的无线通讯信号系统。In this example, in order to ensure the real-time performance of the monitoring data, preferably, the wireless transmission module is a GPS-based wireless communication signal system.
本例中，优选所述数据采集终端采用STC89C52单片机，所述无线传输模块采用SIM900通信模块，所示串口通讯模块采用RS232串 口，具体电路原理图如图3～图6所示，STC89C52单片机的串行通讯接口SIM900-TXD和SIM900-RXD分别与RS232串口的SIM900-TXD和SIM900-RXD相连，RS232串口的DBG-TXDH引脚和DBG-RXD引脚分别与SIM900通信模块的TXD-O引脚和RXD-I引脚连接。In this example, it is preferred that the data collection terminal adopts STC89C52 single-chip microcomputer, the wireless transmission module adopts SIM900 communication module, and the serial port communication module shown adopts RS232 serial port. The serial communication interface SIM900-TXD and SIM900-RXD are respectively connected to the SIM900-TXD and SIM900-RXD of the RS232 serial port, and the DBG-TXDH pin and DBG-RXD pin of the RS232 serial port are respectively connected to the TXD-O pin and the TXD-O pin of the SIM900 communication module. RXD-I pin connection.
本例中，为了结合人们的使用习惯，所述手持移动终端为手机。In this example, in order to combine people's usage habits, the handheld mobile terminal is a mobile phone.
其工作原理为：Its working principle is:
使用时，在预设的区域通过分水器2与集水器4之间铺设多条地暖管3，通过进水流量计6与出水流量计7检测某条地暖管3两端的实时水流量信息，且每两个流量计的ID号对应一条地暖管3，然后将实时水流量信息经过A/D转换器处理后送入数据采集终端，所述数据采集终端对地暖管3进出水端的水流量信息进行对比，若某一条地暖管3出水端的水流量相对于进水端的水流量出现较大差异时，则地暖管3出现渗透现象，数据采集终端通过无线传输模块发出报警信号即短信至手机，告知人们出现渗透的地暖管3的位置以及水流量信息；同时数据采集终端控制电控阀8工作，切断出现渗透的那条地暖盘3管，以避免经济损失；数据采集终端还将水流量信息同步上传至上位机，实现多维监控，规避移动终端传输大量数据容易出现滞后或数据丢失的问题；When in use, a plurality of floor heating pipes 3 are laid between the water distributor 2 and the water collector 4 in the preset area, and the real-time water flow information at both ends of a certain floor heating pipe 3 is detected by the water inlet flow meter 6 and the water outlet flow meter 7 , and the ID numbers of every two flowmeters correspond to a floor heating pipe 3, and then the real-time water flow information is processed by the A/D converter and sent to the data collection terminal, and the data collection terminal is responsible for the water flow at the water inlet and outlet of the floor heating pipe 3 The information is compared, if there is a large difference in the water flow at the outlet end of a certain floor heating pipe 3 relative to the water flow at the water inlet end, then the floor heating pipe 3 has infiltration phenomenon, and the data collection terminal sends an alarm signal through the wireless transmission module, that is, a short message to the mobile phone, Inform people of the location of the infiltrated floor heating pipe 3 and the water flow information; at the same time, the data acquisition terminal controls the electric control valve 8 to work, and cuts off the infiltration of the floor heating coil 3 pipe to avoid economic losses; the data acquisition terminal also returns the water flow information Synchronously upload to the host computer to realize multi-dimensional monitoring, avoiding the problem of lag or data loss when the mobile terminal transmits a large amount of data;
所述数据采集终端还通过将实时水流量信息与数据存储模块内的历史水流量信息进行对比，形成历史数据曲线，并通过上位机进行显示，有助于指导人们对地暖管3进行管理与维护。The data acquisition terminal also compares the real-time water flow information with the historical water flow information in the data storage module to form a historical data curve, and displays it through the host computer, which helps to guide people to manage and maintain the floor heating pipe 3 .
结合上述水地暖管渗透在线监控系统的结构，本发明还提出了一 种基于该水地暖管渗透在线监控系统的控制方法，如图7所示，具体步骤如下：In combination with the structure of the above-mentioned water floor heating pipe penetration online monitoring system, the present invention also proposes a control method based on the water floor heating pipe penetration online monitoring system, as shown in Figure 7, the specific steps are as follows:
步骤1：系统初始化；Step 1: System initialization;
步骤2：针对第m根地暖管3，在采样周期T内，数据采集终端获取进水流量计6产生的脉冲向量X1＝[x11,x12,…,x1n]和出水流量计7产生的脉冲向量X2＝[x21,x22,…,x2n]，其中，x1i为进水流量计6在第i次采样时的脉冲数，x2i为出水流量计7在第i次采样时的脉冲数，i＝1～n，n为周期T内的采样次数，本例中采样周期T的取值为24h，所述采样次数n的取值为12；Step 2: For the mth floor heating pipe 3, within the sampling period T, the data acquisition terminal obtains the pulse vector X 1 =[x 11 ,x 12 ,…,x 1n ] generated by the inflow flowmeter 6 and the outflow flowmeter 7 The generated pulse vector X 2 =[x 21 ,x 22 ,…,x 2n ], where x 1i is the number of pulses of the inflow flowmeter 6 at the i-th sampling time, and x 2i is the number of pulses of the outflow flowmeter 7 at the i-th The number of pulses during sub-sampling, i=1～n, n is the sampling number of times in the cycle T, the value of the sampling cycle T in this example is 24h, and the value of the sampling number of times n is 12;
步骤3：按照构建参数矩阵，并将矩阵X代入多元线性回归模型，按照采用最小二乘法计算得出回归参数的估计值向量其中，Y＝[1,y1,y2,…,yn]，yi为非泄漏状态下第i次采样时参考值；Step 3: Follow the Construct the parameter matrix, and substitute the matrix X into the multiple linear regression model, according to The estimated value vector of the regression parameters is calculated by the method of least squares Among them, Y=[1,y 1 ,y 2 ,...,y n ], y i is the reference value at the i-th sampling in the non-leakage state;
步骤4：按照计算向量Y的拟合值向量并按照 计算出残差平方和以及按照计算出残差的标准差 Step 4: Follow the Compute the vector of fitted values for the vector Y and follow Calculate the residual sum of squares and in accordance with Computes the standard deviation of the residuals
步骤5：根据步骤4获得的残差的标准差按照计算回归参数估计值的标准差其中，cjj是矩阵(X′X)-1中第j行第j列位置上的元素，j＝0～2；Step 5: Standard deviation of residuals obtained from step 4 according to Calculate Regression Parameter Estimates standard deviation of Wherein, c jj is the element on the jth row jth column position in the matrix (X′X) -1 , j=0～2;
步骤6：按照计算得出统计量t的数值，即作回归参数及回归方程的显著性检验，然后根据统计学的t值表得出其概率值p；Step 6: Follow the Calculate the value of the statistic t, that is, perform the significance test of the regression parameters and the regression equation, and then obtain the probability value p according to the statistical t value table;
步骤7：将步骤6获得的概率值p与预设阈值ε即显著性水平值进行比较，若p＞ε则判定该根地暖管3出现渗透现象，所述数据采集终端发出报警信号至手持移动终端，同时发出驱动信号控制电控阀8切断该根地暖管3，否则令T＝T+1并返回步骤2循环进行。Step 7: Compare the probability value p obtained in step 6 with the preset threshold ε, that is, the significance level value. If p>ε, it is determined that the floor heating pipe 3 has seepage phenomenon, and the data collection terminal sends an alarm signal to the handheld mobile At the terminal, at the same time, a drive signal is sent to control the electric control valve 8 to cut off the floor heating pipe 3, otherwise set T=T+1 and return to step 2 for a cycle.
通过本方法所述的处理步骤，能够准确的对地暖管3的渗透现象进行监控，对渗透位置进行定位，可为地暖管3的维护带来便利；当出现渗透后只对故障地暖管3关断，使用更加灵活，有助于降低财产损失。Through the processing steps described in this method, the infiltration phenomenon of the floor heating pipe 3 can be accurately monitored, and the location of the infiltration can be positioned, which can bring convenience to the maintenance of the floor heating pipe 3; when infiltration occurs, only the faulty floor heating pipe 3 is closed. It is more flexible to use and helps to reduce property losses.
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