Circulating cooling water intelligent control system and method based on Internet of Things

Abstract

The invention provides a circulating cooling water intelligent control system and method based on the Internet of Things, and relates to the technical field of cooling water control, and the system comprises a pre-deployed sensor which monitors circulating cooling water equipment in real time, obtains circulating cooling water data, and transmits the data to an Internet of Things platform; performing data analysis, determining an operation state, dividing a circulating cooling water area, and determining current distribution data of the circulating cooling water in combination with a data analysis result; control distribution data of the circulating cooling water are obtained, an intelligent control model of the circulating cooling water is constructed, current control data of the circulating cooling water are output according to an intelligent control strategy of the circulating cooling water and the current distribution data of the circulating cooling water, and intelligent control is conducted on the circulating cooling water; establishing a circulating cooling water control feedback mechanism, and performing periodic feedback control optimization on circulating cooling water intelligent control; and intelligent control of circulating cooling water is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of cooling water control, and in particular to an intelligent control system and method for circulating cooling water based on the Internet of Things. Background Art

[0002] With the continuous development of science and technology, the application field of circulating cooling water equipment is becoming more and more extensive. In order to ensure the stable operation of circulating cooling water equipment during operation, it is usually involved to control the temperature, flow and pressure of circulating cooling water; however, a large amount of data will be generated during the operation of circulating cooling water equipment, and the existing control technology mainly performs overall control, and the control quality and efficiency are low.

[0003] Therefore, the present invention provides a circulating cooling water intelligent control system and method based on the Internet of Things. Summary of the invention

[0004] The present invention provides a circulating cooling water intelligent control system and method based on the Internet of Things. The circulating cooling water equipment is monitored in real time by pre-deploying sensors, and the circulating cooling water data is obtained and transmitted to the Internet of Things platform. Data analysis is performed to determine the operating status of the circulating cooling water equipment, and the circulating cooling water areas are divided. The current distribution data of the circulating cooling water is determined in combination with the data analysis results. The control distribution data of the circulating cooling water is obtained according to the circulating cooling water control demand, and a circulating cooling water intelligent control model is constructed. The current control data of the circulating cooling water is output according to the circulating cooling water intelligent control strategy and the current distribution data of the circulating cooling water, and the circulating cooling water is intelligently controlled. A circulating cooling water control feedback mechanism is established, and the intelligent control of the circulating cooling water is optimized by periodic feedback control according to the circulating cooling water intelligent control feedback data. The intelligent control of the circulating cooling water is realized.

[0005] The present invention provides a circulating cooling water intelligent control system based on the Internet of Things, comprising:

[0006] The sensor deployment module is used to pre-deploy sensors, monitor circulating cooling water equipment in real time, obtain circulating cooling water data and transmit it to the IoT platform;

[0007] The circulating cooling water distribution module is used to analyze the circulating cooling water data transmitted to the IoT platform, determine the operating status of the circulating cooling water equipment, divide the circulating cooling water areas, and determine the current distribution data of the circulating cooling water based on the data analysis results;

[0008] The intelligent control module is used to obtain the control distribution data of the circulating cooling water according to the control demand of the circulating cooling water, build the intelligent control model of the circulating cooling water, output the current control data of the circulating cooling water according to the intelligent control strategy of the circulating cooling water and the current distribution data of the circulating cooling water, and perform intelligent control on the circulating cooling water;

[0009] The control feedback module is used to establish a circulating cooling water control feedback mechanism and to optimize the circulating cooling water intelligent control strategy based on the circulating cooling water intelligent control feedback data.

[0010] According to the present invention, a circulating cooling water intelligent control system based on the Internet of Things, a sensor deployment module, includes:

[0011] A sensor selection unit, used to select a sensor type according to circulating cooling water control requirements, wherein the circulating cooling water control requirements include: temperature control requirements, flow control requirements, and pressure control requirements;

[0012] A sensor deployment unit is used to obtain the equipment layout of the circulating cooling water equipment, determine the flow path of the circulating cooling water, set the flow nodes of the circulating cooling water, and pre-deploy sensors at the flow node positions of the circulating cooling water, wherein the pre-deployed sensors include: temperature sensors, flow sensors, and pressure sensors;

[0013] The data transmission unit is used to monitor the circulating cooling water equipment in real time according to the pre-deployed sensors, obtain the circulating cooling water data and transmit it to the Internet of Things platform, where the circulating cooling water data includes: circulating cooling water temperature data, circulating cooling water flow data and circulating cooling water pressure data.

[0014] According to the present invention, a circulating cooling water intelligent control system based on the Internet of Things, a circulating cooling water distribution module, includes:

[0015] A data analysis unit, used for preprocessing the circulating cooling water data transmitted to the Internet of Things platform;

[0016] The circulating cooling water data after data preprocessing is stored in the Internet of Things platform according to the transmission timing, and the data is extracted and analyzed according to the circulating cooling water data type to determine the operating status of the circulating cooling water equipment, wherein the circulating cooling water data type includes: temperature data type, flow data type and pressure data type;

[0017] An operation status unit is used to obtain normal operating parameter data of the circulating cooling water equipment, and determine the circulating cooling water data range when the circulating cooling water equipment is in a normal operating state, which is recorded as a normal circulating cooling water data range;

[0018] When the data analysis results show that the circulating cooling water data are all within the normal circulating cooling water data range, it is determined that the circulating cooling water equipment is in a normal operating state;

[0019] When the data analysis result shows that the circulating cooling water data is not within the normal circulating cooling water data range, it is determined that the circulating cooling water equipment is in an abnormal operating state;

[0020] The circulating cooling water distribution unit is used to divide the circulating cooling water area and determine the current distribution data of the circulating cooling water in combination with the data analysis results.

[0021] According to the present invention, a circulating cooling water intelligent control system based on the Internet of Things, a circulating cooling water distribution unit, includes:

[0022] The area division block is used to set the circulating cooling water area, divide the circulating cooling water area according to the equipment layout of the circulating cooling water equipment, and determine the circulating cooling water sub-areas;

[0023] The circulating cooling water distribution block is used to match the circulating cooling water sub-area with the data analysis results, obtain the operating status of the circulating cooling water sub-area and the circulating cooling water data, and determine the current distribution data of the circulating cooling water.

[0024] According to the present invention, a circulating cooling water intelligent control system based on the Internet of Things, an intelligent control module, includes:

[0025] A control distribution unit, used for obtaining control distribution data of circulating cooling water according to circulating cooling water control requirements;

[0026] A model building unit, used for selecting a preset model, building a circulating cooling water intelligent control model and performing model training on the circulating cooling water intelligent control model according to historical circulating cooling water data;

[0027] A control strategy unit, used to determine a control difference value of current circulating cooling water data according to current distribution data of circulating cooling water and control distribution data of circulating cooling water;

[0028] A control threshold is set according to historical circulating cooling water data, and when the control difference is not lower than the control threshold, the corresponding control difference is marked as a large control difference;

[0029] When the control difference is lower than the control threshold, the corresponding control difference is marked as a small control difference;

[0030] Obtaining the intelligent control strategy for circulating cooling water, matching the current circulating cooling water data with the intelligent control strategy for circulating cooling water according to the control difference marking result, matching the current circulating cooling water data corresponding to the small control difference with the predictive control strategy, and matching the current circulating cooling water data corresponding to the large control difference with the real-time control strategy, wherein the intelligent control strategy for circulating cooling water includes: real-time control strategy and predictive control strategy;

[0031] Obtaining the operating state of the circulating cooling water equipment corresponding to the current circulating cooling water data of the primary matching prediction control strategy, and when the operating state of the corresponding circulating cooling water equipment is a normal operating state, maintaining the primary matching;

[0032] When the operating state of the corresponding circulating cooling water equipment is abnormal, secondary matching is performed to switch the real-time control strategy;

[0033] An intelligent control unit is used to apply the intelligent control strategy of circulating cooling water, input the control difference of the current circulating cooling water data into the circulating cooling water intelligent control model after model training, and output the current control data of the circulating cooling water;

[0034] Wherein, ui1 represents the current control data of the circulating cooling water of the i1th flow node; xi1 represents the current distribution data of the circulating cooling water of the i1th flow node; yi1 represents the control distribution data of the circulating cooling water of the i1th flow node; (yi1-xi1) represents the control difference of the current circulating cooling water data of the i1th flow node; t1 represents the current control period of the circulating cooling water; represents the cumulative control error of the circulating cooling water at the i1th flow node; represents the instantaneous control error of the circulating cooling water at the i1th flow node; a1 represents the cumulative error control parameter of the circulating cooling water intelligent control model after model training; a2 represents the instantaneous error control parameter of the circulating cooling water intelligent control model after model training; n1 represents the number of flow nodes of the circulating cooling water;

[0035] Generate control instructions based on current control data of circulating cooling water to perform intelligent control of circulating cooling water.

[0036] According to the present invention, a circulating cooling water intelligent control system based on the Internet of Things is provided, and the control feedback module includes:

[0037] A control feedback unit is used to establish a circulating cooling water control feedback mechanism according to the circulating cooling water control demand, and set a control performance evaluation index to control and evaluate the circulating cooling water control effect, wherein the control performance evaluation index includes: a temperature control performance evaluation index, a flow control performance evaluation index, and a pressure control performance evaluation index;

[0038] Generate circulating cooling water intelligent control feedback data based on the control evaluation results, set the feedback cycle, and optimize the circulating cooling water intelligent control strategy through periodic feedback control.

[0039] According to the present invention, a circulating cooling water intelligent control system based on the Internet of Things also includes:

[0040] Control visual module, used to visualize the intelligent control process of circulating cooling water;

[0041] The control alarm module is used to set the circulating cooling water data threshold. When the circulating cooling water data is monitored to exceed the circulating cooling water data threshold, the corresponding circulating cooling water equipment is determined to be faulty and fault alarm data is automatically generated.

[0042] The present invention provides an intelligent control method for circulating cooling water based on the Internet of Things, comprising:

[0043] Step 1: Monitor the circulating cooling water equipment in real time, obtain the circulating cooling water data and transmit it to the IoT platform;

[0044] Step 2: Analyze the circulating cooling water data transmitted to the IoT platform, determine the operating status of the circulating cooling water equipment, divide the circulating cooling water areas, and determine the current distribution data of the circulating cooling water based on the data analysis results;

[0045] Step 3: According to the circulating cooling water control demand, the control distribution data of the circulating cooling water is obtained, and the circulating cooling water intelligent control model is constructed. According to the circulating cooling water intelligent control strategy and the current distribution data of the circulating cooling water, the current control data of the circulating cooling water is output, and the circulating cooling water is intelligently controlled;

[0046] Step 4: Establish a circulating cooling water control feedback mechanism, and optimize the circulating cooling water intelligent control strategy through periodic feedback control based on the circulating cooling water intelligent control feedback data.

[0047] Compared with the prior art, the beneficial effects of this application are as follows:

[0048] Through pre-deployed sensors, the circulating cooling water equipment is monitored in real time, and the circulating cooling water data is obtained and transmitted to the Internet of Things platform; data analysis is performed to determine the operating status and divide the circulating cooling water area, and the current distribution data of the circulating cooling water is determined based on the data analysis results; the control distribution data of the circulating cooling water is obtained, and a circulating cooling water intelligent control model is constructed. According to the circulating cooling water intelligent control strategy and the current distribution data of the circulating cooling water, the current control data of the circulating cooling water is output, and the circulating cooling water is intelligently controlled; a circulating cooling water control feedback mechanism is established, and the intelligent control of the circulating cooling water is optimized through periodic feedback control; the intelligent control of the circulating cooling water is realized.

[0049] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0050] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0052] Figure 1 It is a structural schematic diagram of an intelligent control system for circulating cooling water based on the Internet of Things provided by an embodiment of the present invention;

[0053] Figure 2 It is a flow chart of an intelligent control system for circulating cooling water based on the Internet of Things provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0054] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0055] Embodiment 1:

[0056] The embodiment of the present invention provides an intelligent control system for circulating cooling water based on the Internet of Things, such as Figure 1 As shown, including:

[0057] The sensor deployment module is used to pre-deploy sensors, monitor circulating cooling water equipment in real time, obtain circulating cooling water data and transmit it to the IoT platform;

[0058] The circulating cooling water distribution module is used to analyze the circulating cooling water data transmitted to the IoT platform, determine the operating status of the circulating cooling water equipment, divide the circulating cooling water areas, and determine the current distribution data of the circulating cooling water based on the data analysis results;

[0059] The intelligent control module is used to obtain the control distribution data of the circulating cooling water according to the control demand of the circulating cooling water, build the intelligent control model of the circulating cooling water, output the current control data of the circulating cooling water according to the intelligent control strategy of the circulating cooling water and the current distribution data of the circulating cooling water, and perform intelligent control on the circulating cooling water;

[0060] The control feedback module is used to establish a circulating cooling water control feedback mechanism and to optimize the circulating cooling water intelligent control strategy based on the circulating cooling water intelligent control feedback data.

[0061] In this embodiment, the pre-deployed sensors include: a temperature sensor, a flow sensor, and a pressure sensor.

[0062] In this embodiment, the circulating cooling water equipment refers to equipment that uses water as a cooling medium and circulates, and mainly includes: a cooling device, a water pump, and a circulating pipeline.

[0063] In this embodiment, the circulating cooling water data refers to the data generated by the circulating cooling water equipment during operation, including temperature data, pressure data and flow data.

[0064] In this embodiment, the Internet of Things platform refers to a platform that performs data analysis and processing on circulating cooling water based on the Internet of Things.

[0065] In this embodiment, the operating state of the circulating cooling water equipment includes: a normal operating state and an abnormal operating state.

[0066] In this embodiment, the circulating cooling water area refers to the working area of ​​the circulating cooling water, including all equipment layouts of the circulating cooling water equipment, including the cooling device sub-area, the water pump sub-area and the circulating pipe sub-area, to facilitate the subsequent intelligent control of the circulating cooling water.

[0067] In this embodiment, the current distribution data of the circulating cooling water refers to the operating status, temperature distribution, pressure distribution and flow distribution of the circulating cooling water equipment at the current moment.

[0068] In this embodiment, the circulating cooling water control requirement refers to the control requirement for ensuring the stable operation of the circulating cooling water, such as temperature control requirement, flow control requirement and pressure control requirement.

[0069] In this embodiment, the control distribution data of the circulating cooling water refers to the data required for intelligent control of the circulating cooling water, for example, the control distribution data of the circulating cooling water a1. When the current distribution data of the circulating cooling water reaches a1, the circulating cooling water equipment operates stably.

[0070] In this embodiment, the circulating cooling water intelligent control model refers to a model for intelligently controlling the circulating cooling water.

[0071] In this embodiment, the circulating cooling water intelligent control strategy refers to a strategy for implementing the circulating cooling water intelligent control, including: a real-time control strategy and a predictive control strategy.

[0072] In this embodiment, the current control data of the circulating cooling water refers to the data for controlling the current distribution data of the circulating cooling water to the control distribution data. For example, the current control data a2 of the circulating cooling water is output so that the current distribution data a3 of the circulating cooling water is controlled to the control distribution data a1 of the circulating cooling water.

[0073] In this embodiment, the circulating cooling water feedback mechanism refers to a mechanism for controlling feedback on the circulating cooling water, for example, generating circulating cooling water intelligent control feedback data and performing periodic feedback control optimization on the circulating cooling water intelligent control.

[0074] In this embodiment, the circulating cooling water intelligent control feedback data refers to data used for the intelligent control of the circulating cooling water cycle.

[0075] The working principle and beneficial effects of the above technical solution are: through pre-deployed sensors, the circulating cooling water equipment is monitored in real time, the circulating cooling water data is obtained and transmitted to the Internet of Things platform; data analysis is performed to determine the operating status and divide the circulating cooling water area, and the current distribution data of the circulating cooling water is determined in combination with the data analysis results; the control distribution data of the circulating cooling water is obtained, and a circulating cooling water intelligent control model is constructed, and the current control data of the circulating cooling water is output according to the circulating cooling water intelligent control strategy and the current distribution data of the circulating cooling water, and the circulating cooling water is intelligently controlled; a circulating cooling water control feedback mechanism is established, and the intelligent control of the circulating cooling water is optimized by periodic feedback control; and the intelligent control of the circulating cooling water is realized.

[0076] Embodiment 2:

[0077] The embodiment of the present invention provides a circulating cooling water intelligent control system based on the Internet of Things, and a sensor deployment module, including:

[0078] A sensor selection unit, used to select a sensor type according to circulating cooling water control requirements, wherein the circulating cooling water control requirements include: temperature control requirements, flow control requirements, and pressure control requirements;

[0079] A sensor deployment unit is used to obtain the equipment layout of the circulating cooling water equipment, determine the flow path of the circulating cooling water, set the flow nodes of the circulating cooling water, and pre-deploy sensors at the flow node positions of the circulating cooling water, wherein the pre-deployed sensors include: temperature sensors, flow sensors, and pressure sensors;

[0080] The data transmission unit is used to monitor the circulating cooling water equipment in real time according to the pre-deployed sensors, obtain the circulating cooling water data and transmit it to the Internet of Things platform, where the circulating cooling water data includes: circulating cooling water temperature data, circulating cooling water flow data and circulating cooling water pressure data.

[0081] In this embodiment, the sensor type is determined according to the circulating cooling water control requirements. For example, if the temperature control requirement is required, a temperature sensor is selected.

[0082] In this embodiment, the flow path of the circulating cooling water refers to the path of the circulating cooling water during the working process, for example, a1-a2-a3, where a1, a2, and a3 represent flow nodes of the circulating cooling water.

[0083] In this embodiment, the flow node of the circulating cooling water refers to a node used to divide the flow path of the circulating cooling water. For example, the flow path of the circulating cooling water is changed, such as a turning position, and is set as the flow node of the circulating cooling water.

[0084] In this embodiment, the Internet of Things platform refers to a platform that performs data analysis and processing on circulating cooling water data based on the Internet of Things.

[0085] The working principle and beneficial effects of the above technical solution are: by pre-deploying sensors, the circulating cooling water equipment is monitored in real time, the circulating cooling water data is obtained and transmitted to the Internet of Things platform, laying a data foundation for the subsequent intelligent control of the circulating cooling water.

[0086] Embodiment 3:

[0087] The embodiment of the present invention provides a circulating cooling water intelligent control system based on the Internet of Things, a circulating cooling water distribution module, including:

[0088] A data analysis unit, used for preprocessing the circulating cooling water data transmitted to the Internet of Things platform;

[0089] The circulating cooling water data after data preprocessing is stored in the Internet of Things platform according to the transmission timing, and the data is extracted and analyzed according to the circulating cooling water data type to determine the operating status of the circulating cooling water equipment, wherein the circulating cooling water data type includes: temperature data type, flow data type and pressure data type;

[0090] An operation status unit is used to obtain normal operating parameter data of the circulating cooling water equipment, and determine the circulating cooling water data range when the circulating cooling water equipment is in a normal operating state, which is recorded as a normal circulating cooling water data range;

[0091] When the data analysis results show that the circulating cooling water data are all within the normal circulating cooling water data range, it is determined that the circulating cooling water equipment is in a normal operating state;

[0092] When the data analysis result shows that the circulating cooling water data is not within the normal circulating cooling water data range, it is determined that the circulating cooling water equipment is in an abnormal operating state;

[0093] The circulating cooling water distribution unit is used to divide the circulating cooling water area and determine the current distribution data of the circulating cooling water in combination with the data analysis results.

[0094] In this embodiment, data preprocessing includes: data cleaning and data standardization processing, wherein data cleaning is used to eliminate abnormal data and missing data; data standardization processing is used to unify the data format.

[0095] In this embodiment, the circulating cooling water data after data preprocessing is stored in the Internet of Things platform according to the transmission sequence. For example, the data with a unified transmission sequence is stored together to facilitate subsequent data analysis.

[0096] In this embodiment, data are extracted and analyzed according to the type of circulating cooling water data, for example, temperature data is extracted and analyzed.

[0097] In this embodiment, the normal operating parameter data of the circulating cooling water equipment refers to the data when the circulating cooling water equipment is in a normal operating state, for example, the normal operating temperature parameter data a1.

[0098] In this embodiment, the circulating cooling water data range when the circulating cooling water device is in normal operating state refers to a data range composed of normal operating parameter data of the circulating cooling water device, for example, a temperature data range (a1, a2).

[0099] In this embodiment, the current distribution data of the circulating cooling water refers to the operating status, temperature distribution, pressure distribution and flow distribution of the circulating cooling water equipment at the current moment. For example, the temperature data a2 of the circulating cooling water area b1 is in a normal operating state.

[0100] The working principle and beneficial effects of the above technical solution are: by analyzing the circulating cooling water data transmitted to the Internet of Things platform, determining the operating status of the circulating cooling water equipment and dividing the circulating cooling water areas, it is beneficial to subsequently achieve precise control of the circulating cooling water and improve the control quality.

[0101] Embodiment 4:

[0102] The embodiment of the present invention provides a circulating cooling water intelligent control system based on the Internet of Things, a circulating cooling water distribution unit, including:

[0103] The area division block is used to set the circulating cooling water area, divide the circulating cooling water area according to the equipment layout of the circulating cooling water equipment, and determine the circulating cooling water sub-areas;

[0104] The circulating cooling water distribution block is used to match the circulating cooling water sub-area with the data analysis results, obtain the operating status of the circulating cooling water sub-area and the circulating cooling water data, and determine the current distribution data of the circulating cooling water.

[0105] In this embodiment, the circulating cooling water area refers to the working area of ​​the circulating cooling water, including all equipment layouts of the circulating cooling water equipment.

[0106] In this embodiment, the circulating cooling water sub-area refers to an area divided according to the equipment layout of the circulating cooling water equipment, such as a cooling device sub-area, a water pump sub-area, and a circulating pipe sub-area.

[0107] In this embodiment, the circulating cooling water sub-area is matched with the data analysis result, the operating status of the circulating cooling water sub-area and the circulating cooling water data are obtained, and the current distribution data of the circulating cooling water is determined. For example, the temperature data a2 of the circulating cooling water b1 area is in a normal operating state.

[0108] The working principle and beneficial effect of the above technical solution are: by determining the circulating cooling water sub-area and matching it with the data analysis results, the current distribution data of the circulating cooling water is determined, which is conducive to the subsequent intelligent control of the circulating cooling water.

[0109] Embodiment 5:

[0110] The embodiment of the present invention provides a circulating cooling water intelligent control system based on the Internet of Things, and an intelligent control module, including:

[0111] A control distribution unit, used for obtaining control distribution data of circulating cooling water according to circulating cooling water control requirements;

[0112] A model building unit, used for selecting a preset model, building a circulating cooling water intelligent control model and performing model training on the circulating cooling water intelligent control model according to historical circulating cooling water data;

[0113] A control strategy unit, used to determine a control difference value of current circulating cooling water data according to current distribution data of circulating cooling water and control distribution data of circulating cooling water;

[0114] A control threshold is set according to historical circulating cooling water data, and when the control difference is not lower than the control threshold, the corresponding control difference is marked as a large control difference;

[0115] When the control difference is lower than the control threshold, the corresponding control difference is marked as a small control difference;

[0116] Obtaining the intelligent control strategy for circulating cooling water, matching the current circulating cooling water data with the intelligent control strategy for circulating cooling water according to the control difference marking result, matching the current circulating cooling water data corresponding to the small control difference with the predictive control strategy, and matching the current circulating cooling water data corresponding to the large control difference with the real-time control strategy, wherein the intelligent control strategy for circulating cooling water includes: real-time control strategy and predictive control strategy;

[0117] Obtaining the operating state of the circulating cooling water equipment corresponding to the current circulating cooling water data of the primary matching prediction control strategy, and when the operating state of the corresponding circulating cooling water equipment is a normal operating state, maintaining the primary matching;

[0118] When the operating state of the corresponding circulating cooling water equipment is abnormal, secondary matching is performed to switch the real-time control strategy;

[0119] An intelligent control unit is used to apply the intelligent control strategy of circulating cooling water, input the control difference of the current circulating cooling water data into the circulating cooling water intelligent control model after model training, and output the current control data of the circulating cooling water;

[0120] Wherein, ui1 represents the current control data of the circulating cooling water of the i1th flow node; xi1 represents the current distribution data of the circulating cooling water of the i1th flow node; yi1 represents the control distribution data of the circulating cooling water of the i1th flow node; (yi1-xi1) represents the control difference of the current circulating cooling water data of the i1th flow node; t1 represents the current control period of the circulating cooling water; represents the cumulative control error of the circulating cooling water at the i1th flow node; represents the instantaneous control error of the circulating cooling water at the i1th flow node; a1 represents the cumulative error control parameter of the circulating cooling water intelligent control model after model training; a2 represents the instantaneous error control parameter of the circulating cooling water intelligent control model after model training; n1 represents the number of flow nodes of the circulating cooling water;

[0121] Generate control instructions based on current control data of circulating cooling water to perform intelligent control of circulating cooling water.

[0122] In this embodiment, the control distribution data of the circulating cooling water is acquired according to the control demand of the circulating cooling water, for example, the control distribution data a1 of the circulating cooling water, that is, the current distribution data of the circulating cooling water is controlled to a1.

[0123] In this embodiment, the preset models include: a neural network model and a regression model.

[0124] In this embodiment, the historical circulating cooling water data refers to the circulating cooling water data obtained in the historical process.

[0125] In this embodiment, the control difference of the current circulating cooling water data refers to the data difference between the current distribution data of the circulating cooling water and the control distribution data of the circulating cooling water. For example, the current distribution data of the circulating cooling water is a2, and the control distribution data of the circulating cooling water is a1, then the control difference of the current circulating cooling water data is a1-a2.

[0126] In this embodiment, a control threshold is set based on historical circulating cooling water data, wherein the control threshold refers to the control value of the circulating cooling water that needs to be intelligently controlled at the current moment, for example, the control threshold a3. If the control difference of the current circulating cooling water data exceeds the control threshold a3, intelligent control is performed in the current cycle.

[0127] In this embodiment, the large control difference refers to a control difference that is not lower than the control threshold; the small control difference refers to a control difference that is lower than the control threshold.

[0128] In this embodiment, the larger the control difference is, the priority is given to the intelligent control of circulating cooling water.

[0129] In this embodiment, the circulating cooling water intelligent control strategy refers to a strategy for intelligent control of circulating cooling water.

[0130] In this embodiment, the real-time control strategy refers to the strategy implemented on the circulating cooling water in the current cycle; the predictive control strategy refers to the strategy implemented in the future cycle.

[0131] In this embodiment, a single match refers to the operation of matching the current circulating cooling water data with the circulating cooling water intelligent control strategy. For example, the current circulating cooling water data corresponding to a small control difference is matched with the predictive control strategy once, and the current circulating cooling water data corresponding to a large control difference is matched with the real-time control strategy once.

[0132] In this embodiment, secondary matching refers to the operation of switching the real-time control strategy to ensure timely intelligent control of the circulating cooling water.

[0133] In this embodiment, the control instruction refers to an instruction for realizing intelligent control of circulating cooling water.

[0134] The working principle and beneficial effects of the above technical solution are: obtaining the control distribution data of circulating cooling water according to the circulating cooling water control demand, building a circulating cooling water intelligent control model, outputting the current control data of circulating cooling water according to the circulating cooling water intelligent control strategy and the current distribution data of circulating cooling water, thereby realizing intelligent control of circulating cooling water.

[0135] Embodiment 6:

[0136] The embodiment of the present invention provides a circulating cooling water intelligent control system based on the Internet of Things, a control feedback module, including:

[0137] A control feedback unit is used to establish a circulating cooling water control feedback mechanism according to the circulating cooling water control demand, and set a control performance evaluation index to control and evaluate the circulating cooling water control effect, wherein the control performance evaluation index includes: a temperature control performance evaluation index, a flow control performance evaluation index, and a pressure control performance evaluation index;

[0138] Generate circulating cooling water intelligent control feedback data based on control evaluation results, set feedback cycle, and optimize periodic feedback control of circulating cooling water intelligent control.

[0139] In this embodiment, a control performance evaluation index is set to perform control evaluation on the circulating cooling water control effect, for example, to evaluate temperature control.

[0140] In this embodiment, a feedback cycle is set, for example, feedback cycle t1, that is, the circulating cooling water intelligent control is optimized by periodic feedback control according to the circulating cooling water intelligent control feedback data at every time t1.

[0141] The working principle and beneficial effects of the above technical solution are: by establishing a circulating cooling water control feedback mechanism, the circulating cooling water intelligent control strategy is optimized by periodic feedback control according to the circulating cooling water intelligent control feedback data, thereby ensuring long-term stable intelligent control of the circulating cooling water.

[0142] Embodiment 7:

[0143] The embodiment of the present invention provides a circulating cooling water intelligent control system based on the Internet of Things, further comprising:

[0144] Control visual module, used to visualize the intelligent control process of circulating cooling water;

[0145] The control alarm module is used to set the circulating cooling water data threshold. When the circulating cooling water data is monitored to exceed the circulating cooling water data threshold, the corresponding circulating cooling water equipment is determined to be faulty and fault alarm data is automatically generated.

[0146] In this embodiment, the circulating cooling water intelligent control process is visualized and displayed, for example, temperature data, pressure data and flow data are displayed.

[0147] In this embodiment, the circulating cooling water data threshold refers to the upper limit value of the circulating cooling water data in normal operating state, for example, the circulating cooling water temperature data threshold a1. When the circulating cooling water temperature data exceeds a1, it is determined that the corresponding circulating cooling water equipment is faulty.

[0148] In this embodiment, the fault alarm data, for example, temperature fault alarm data.

[0149] The working principle and beneficial effects of the above technical solution are: by visually displaying the intelligent control process of circulating cooling water and generating fault alarm data, the intelligent control of circulating cooling water is further ensured.

[0150] Embodiment 8:

[0151] The embodiment of the present invention provides a circulating cooling water intelligent control method based on the Internet of Things, such as Figure 2 As shown, including:

[0152] Step 1: Monitor the circulating cooling water equipment in real time, obtain the circulating cooling water data and transmit it to the IoT platform;

[0153] Step 2: Analyze the circulating cooling water data transmitted to the IoT platform, determine the operating status of the circulating cooling water equipment, divide the circulating cooling water areas, and determine the current distribution data of the circulating cooling water based on the data analysis results;

[0154] Step 3: According to the circulating cooling water control demand, the control distribution data of the circulating cooling water is obtained, and the circulating cooling water intelligent control model is constructed. According to the circulating cooling water intelligent control strategy and the current distribution data of the circulating cooling water, the current control data of the circulating cooling water is output, and the circulating cooling water is intelligently controlled;

[0155] Step 4: Establish a circulating cooling water control feedback mechanism, and optimize the circulating cooling water intelligent control strategy through periodic feedback control based on the circulating cooling water intelligent control feedback data.

[0156] The working principle and beneficial effects of the above technical solution are: through pre-deployed sensors, the circulating cooling water equipment is monitored in real time, the circulating cooling water data is obtained and transmitted to the Internet of Things platform; data analysis is performed to determine the operating status and divide the circulating cooling water area, and the current distribution data of the circulating cooling water is determined in combination with the data analysis results; the control distribution data of the circulating cooling water is obtained, and a circulating cooling water intelligent control model is constructed, and the current control data of the circulating cooling water is output according to the circulating cooling water intelligent control strategy and the current distribution data of the circulating cooling water, and the circulating cooling water is intelligently controlled; a circulating cooling water control feedback mechanism is established, and the intelligent control of the circulating cooling water is optimized by periodic feedback control; and the intelligent control of the circulating cooling water is realized.

[0157] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A circulating cooling water intelligent control system based on the Internet of Things, characterized in that: include: The sensor deployment module is used to pre-deploy sensors, monitor circulating cooling water equipment in real time, obtain circulating cooling water data and transmit it to the IoT platform; The circulating cooling water distribution module is used to analyze the circulating cooling water data transmitted to the IoT platform, determine the operating status of the circulating cooling water equipment, divide the circulating cooling water areas, and determine the current distribution data of the circulating cooling water based on the data analysis results; The intelligent control module is used to obtain the control distribution data of the circulating cooling water according to the control demand of the circulating cooling water, build the intelligent control model of the circulating cooling water, output the current control data of the circulating cooling water according to the intelligent control strategy of the circulating cooling water and the current distribution data of the circulating cooling water, and perform intelligent control on the circulating cooling water; The control feedback module is used to establish a circulating cooling water control feedback mechanism and to optimize the circulating cooling water intelligent control based on the circulating cooling water intelligent control feedback data.

2. According to the Internet of Things-based circulating cooling water intelligent control system according to claim 1, it is characterized in that: Sensor deployment module, including: A sensor selection unit, used to select a sensor type according to circulating cooling water control requirements, wherein the circulating cooling water control requirements include: temperature control requirements, flow control requirements, and pressure control requirements; A sensor deployment unit is used to obtain the equipment layout of the circulating cooling water equipment, determine the flow path of the circulating cooling water, set the flow nodes of the circulating cooling water, and pre-deploy sensors at the flow node positions of the circulating cooling water, wherein the pre-deployed sensors include: temperature sensors, flow sensors, and pressure sensors; The data transmission unit is used to monitor the circulating cooling water equipment in real time according to the pre-deployed sensors, obtain the circulating cooling water data and transmit it to the Internet of Things platform, where the circulating cooling water data includes: circulating cooling water temperature data, circulating cooling water flow data and circulating cooling water pressure data.

3. The intelligent control system for circulating cooling water based on the Internet of Things according to claim 2 is characterized in that: Circulating cooling water distribution module, including: A data analysis unit, used for preprocessing the circulating cooling water data transmitted to the Internet of Things platform; The circulating cooling water data after data preprocessing is stored in the Internet of Things platform according to the transmission timing, and the data is extracted and analyzed according to the circulating cooling water data type to determine the operating status of the circulating cooling water equipment, wherein the circulating cooling water data type includes: temperature data type, flow data type and pressure data type; An operation status unit is used to obtain normal operating parameter data of the circulating cooling water equipment, and determine the circulating cooling water data range when the circulating cooling water equipment is in a normal operating state, which is recorded as a normal circulating cooling water data range; When the data analysis results show that the circulating cooling water data are all within the normal circulating cooling water data range, it is determined that the circulating cooling water equipment is in a normal operating state; When the data analysis result shows that the circulating cooling water data is not within the normal circulating cooling water data range, it is determined that the circulating cooling water equipment is in an abnormal operating state; The circulating cooling water distribution unit is used to divide the circulating cooling water area and determine the current distribution data of the circulating cooling water in combination with the data analysis results.

4. The intelligent control system for circulating cooling water based on the Internet of Things according to claim 3 is characterized in that: Circulating cooling water distribution unit, including: The area division block is used to set the circulating cooling water area, divide the circulating cooling water area according to the equipment layout of the circulating cooling water equipment, and determine the circulating cooling water sub-areas; The circulating cooling water distribution block is used to match the circulating cooling water sub-area with the data analysis results, obtain the operating status of the circulating cooling water sub-area and the circulating cooling water data, and determine the current distribution data of the circulating cooling water.

5. The intelligent control system for circulating cooling water based on the Internet of Things according to claim 1 is characterized in that: Intelligent control module, including: A control distribution unit, used for obtaining control distribution data of circulating cooling water according to circulating cooling water control requirements; A model building unit, used for selecting a preset model, building a circulating cooling water intelligent control model and performing model training on the circulating cooling water intelligent control model according to historical circulating cooling water data; A control strategy unit, used to determine a control difference value of current circulating cooling water data according to current distribution data of circulating cooling water and control distribution data of circulating cooling water; A control threshold is set according to historical circulating cooling water data, and when the control difference is not lower than the control threshold, the corresponding control difference is marked as a large control difference; When the control difference is lower than the control threshold, the corresponding control difference is marked as a small control difference; Obtaining the intelligent control strategy for circulating cooling water, matching the current circulating cooling water data with the intelligent control strategy for circulating cooling water according to the control difference marking result, matching the current circulating cooling water data corresponding to the small control difference with the predictive control strategy, and matching the current circulating cooling water data corresponding to the large control difference with the real-time control strategy, wherein the intelligent control strategy for circulating cooling water includes: real-time control strategy and predictive control strategy; Obtaining the operating state of the circulating cooling water equipment corresponding to the current circulating cooling water data of the primary matching prediction control strategy, and when the operating state of the corresponding circulating cooling water equipment is a normal operating state, maintaining the primary matching; When the operating state of the corresponding circulating cooling water equipment is abnormal, secondary matching is performed to switch the real-time control strategy; An intelligent control unit is used to apply the intelligent control strategy of circulating cooling water, input the control difference of the current circulating cooling water data into the circulating cooling water intelligent control model after model training, and output the current control data of the circulating cooling water; Wherein, ui1 represents the current control data of the circulating cooling water of the i1th flow node; xi1 represents the current distribution data of the circulating cooling water of the i1th flow node; yi1 represents the control distribution data of the circulating cooling water of the i1th flow node; (yi1-xi1) represents the control difference of the current circulating cooling water data of the i1th flow node; t1 represents the current control period of the circulating cooling water; represents the cumulative control error of the circulating cooling water at the i1th flow node; represents the instantaneous control error of the circulating cooling water at the i1th flow node; a1 represents the cumulative error control parameter of the circulating cooling water intelligent control model after model training; a2 represents the instantaneous error control parameter of the circulating cooling water intelligent control model after model training; n1 represents the number of flow nodes of the circulating cooling water; Generate control instructions based on current control data of circulating cooling water to perform intelligent control of circulating cooling water.

6. According to the Internet of Things-based circulating cooling water intelligent control system of claim, it is characterized in that: Control feedback module, including: A control feedback unit is used to establish a circulating cooling water control feedback mechanism according to the circulating cooling water control demand, and set a control performance evaluation index to control and evaluate the circulating cooling water control effect, wherein the control performance evaluation index includes: a temperature control performance evaluation index, a flow control performance evaluation index, and a pressure control performance evaluation index; Generate circulating cooling water intelligent control feedback data based on control evaluation results, set feedback cycle, and optimize periodic feedback control of circulating cooling water intelligent control.

7. The intelligent control system for circulating cooling water based on the Internet of Things according to claim 1 is characterized in that: Also includes: Control visual module, used to visualize the intelligent control process of circulating cooling water; The control alarm module is used to set the circulating cooling water data threshold. When the circulating cooling water data is monitored to exceed the circulating cooling water data threshold, the corresponding circulating cooling water equipment is determined to be faulty and fault alarm data is automatically generated.

8. A circulating cooling water intelligent control method based on the Internet of Things, characterized in that: include: Step 1: Monitor the circulating cooling water equipment in real time, obtain the circulating cooling water data and transmit it to the IoT platform; Step 2: Analyze the circulating cooling water data transmitted to the IoT platform, determine the operating status of the circulating cooling water equipment, divide the circulating cooling water areas, and determine the current distribution data of the circulating cooling water based on the data analysis results; Step 3: According to the circulating cooling water control demand, the control distribution data of the circulating cooling water is obtained, and the circulating cooling water intelligent control model is constructed. According to the circulating cooling water intelligent control strategy and the current distribution data of the circulating cooling water, the current control data of the circulating cooling water is output, and the circulating cooling water is intelligently controlled; Step 4: Establish a circulating cooling water control feedback mechanism, and optimize the circulating cooling water intelligent control based on the circulating cooling water intelligent control feedback data.

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