Electrical engineering automation energy-saving control system for thermal power plant

Abstract

The invention relates to the technical field of thermal power plants, and discloses an electrical engineering automation energy-saving control system for a thermal power plant, a point location deployment module receives a thermal power plant cooling instruction, determines to-be-cooled equipment, and deploys a plurality of cooling detection points and external correlation detection points; the first calculation module detects temperature data of each cooling detection point and calculates a first energy-saving control factor of the to-be-cooled equipment; a second calculation module detects external correlation detection data of each external correlation detection point and calculates a second energy-saving control factor of the equipment to be cooled; the energy-saving control module calculates a comprehensive energy-saving control factor according to the first energy-saving control factor and the second energy-saving control factor, performs automatic energy-saving control, and calculates the comprehensive energy-saving control factor of the equipment to be cooled through the first energy-saving control factor and the second energy-saving control factor; therefore, reliable data support is provided for automatic energy-saving control of the cooling device, automatic energy-saving control precision and efficiency are guaranteed, and control errors and cooling energy consumption are reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of thermal power plants, and in particular to an electrical engineering automation energy-saving control system for thermal power plants. Background Art

[0002] As an important part of the global energy supply, thermal power plants generate a large amount of heat energy during the power generation process. If this heat energy is not effectively managed and controlled, it will cause equipment overheating, reduced efficiency, or even damage, while also increasing energy consumption and environmental pollution. Therefore, developing an effective energy-saving and cooling control method is of great significance to improving the operating efficiency of thermal power plants, extending equipment life, and reducing environmental impact.

[0003] Traditional cooling methods for thermal power plants include cooling water systems, air cooling systems, etc. When a cooling command is received, a high cooling power is set by the staff. Usually, this high cooling power is fixed. Although it can solve the heat dissipation problem to a certain extent, it is often accompanied by high energy consumption and low efficiency. It is impossible to adaptively adjust the cooling power according to the actual situation of the thermal power plant, and it is impossible to achieve automatic energy-saving control. Summary of the invention

[0004] An embodiment of the present invention provides an electrical engineering automation energy-saving control system for a thermal power plant, which calculates a comprehensive energy-saving control factor of a device to be cooled through a first energy-saving control factor and a second energy-saving control factor, thereby providing reliable data support for the automated energy-saving control of the cooling device, ensuring the accuracy and efficiency of the automated energy-saving control, and reducing control errors and energy consumption.

[0005] In order to achieve the above object, the present invention provides an electrical engineering automation energy-saving control system for a thermal power plant, comprising: A point deployment module is used to receive a cooling instruction from a thermal power plant, parse the cooling instruction from the thermal power plant, determine the equipment to be cooled, and deploy multiple cooling detection points and external associated detection points on the equipment to be cooled; A first calculation module, used to detect temperature data of each cooling detection point, and calculate a first energy-saving control factor of the device to be cooled based on the temperature data; A second calculation module is used to detect the external correlation detection data of each external correlation detection point, analyze the external correlation detection data, and calculate the second energy-saving control factor of the equipment to be cooled based on the analysis result; The energy-saving control module is used to calculate the comprehensive energy-saving control factor of the equipment to be cooled according to the first energy-saving control factor and the second energy-saving control factor, and perform automatic energy-saving control according to the comprehensive energy-saving control factor.

[0006] Furthermore, it also includes: A judgment module is used to match the thermal power plant cooling instruction with the instruction category of the previous instruction, and to judge whether the thermal power plant cooling instruction is the same as the previous instruction. If the thermal power plant cooling instruction matches the instruction category of the previous instruction, it is determined that the thermal power plant cooling instruction is the same as the previous instruction, and the first time node of sending the thermal power plant cooling instruction is collected, and the second time node of sending the previous instruction is collected; Calculating the time node difference between the first time node and the second time node, and judging whether the thermal power plant cooling instruction can be received according to the relationship between the time node difference and the preset time node difference, If the time node difference is greater than or equal to the preset time node difference, it is determined that the thermal power plant cooling instruction can be processed; If the time node difference is less than the preset time node difference, it is determined that the thermal power plant cooling instruction cannot be processed, and a log reminder is generated and sent; If the thermal power plant cooling instruction does not match the instruction category of the previous instruction, it is determined that the thermal power plant cooling instruction is different from the previous instruction, and the thermal power plant cooling instruction is received.

[0007] Furthermore, the first calculation module is used for: The first calculation module is used to construct a temperature data set according to all temperature data, and calculate the temperature mean and temperature standard deviation of the temperature data set; The first calculation module is used to extract temperature data greater than or equal to the temperature mean and construct a first sub-temperature data set; The first calculation module is used to extract temperature data greater than or equal to the temperature standard deviation and construct a second sub-temperature data set; The first calculation module is used to determine whether the first sub-temperature data set and the second sub-temperature data set have an intersection, and if so, extract the intersection temperature data to obtain a temperature data set to be processed; If not, the temperature data set is taken as the temperature data set to be processed; The first calculation module is used to determine a first temperature data mean and a first temperature data standard deviation of the temperature data set to be processed; The first calculation module is used to calculate a standard temperature processing value based on the first temperature data mean and the first temperature data standard deviation; The first calculation module is used to divide the to-be-processed temperature data set into series based on the standard temperature processing value, and calculate the first energy-saving control factor of the to-be-cooled equipment according to the obtained series.

[0008] Furthermore, the first calculation module is used for: The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are less than the standard temperature processing value into a first temperature data series; The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are equal to the standard temperature processing value into a second temperature data series; The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are greater than the standard temperature processing value into a third temperature data series; The first calculation module is used to calculate a first energy-saving control factor of the equipment to be cooled according to the first temperature data series, the second temperature data series, and the third temperature data series.

[0009] Furthermore, the first calculation module is used for: The first calculation module is used to count the number of first temperature data of the first temperature series, the number of second temperature data of the second temperature series, and the number of third temperature data of the third temperature series; The first calculation module is used to configure a first weight for the first temperature data series and a third weight for the third temperature data series; The first calculation module is used to calculate the first energy-saving control factor of the equipment to be cooled according to the following formula: ; Wherein, H is the first energy-saving control factor, m is the number of the first temperature data, ki is the i-th temperature data in the first temperature data series, J is the standard temperature treatment value, Kmax is the largest value among all Ⅰki-JⅠ, Kmin is the smallest value among all Ⅰki-JⅠ, a1 is the first weight, a2 is the second weight, n is the number of the third temperature data, ej is the j-th temperature data in the third temperature data series, emax is the largest value among all Ⅰej-JⅠ, emin is the smallest value among all Ⅰej-JⅠ, and p is the adjustment coefficient of the first energy-saving control factor; The first calculation module is used to determine the adjustment coefficient p of the first energy-saving control factor according to the following method: The first calculation module is used to pre-set a first adjustment coefficient p1, a second adjustment coefficient p2 and a third adjustment coefficient p3; The first calculation module is used for selecting the first adjustment coefficient p1 as the adjustment coefficient p of the first energy-saving control factor when the number of second temperature data is ≤0.8 (m+n); The first calculation module is used for selecting the second adjustment coefficient p2 as the adjustment coefficient p of the first energy-saving control factor when 0.8 (m + n) < the number of second temperature data ≤ 1.15 (m + n); The first calculation module is used for selecting the third adjustment coefficient p3 as the adjustment coefficient p of the first energy-saving control factor when 1.15 (m+n) ≤ the second temperature data quantity.

[0010] Furthermore, the second calculation module is used for: The second calculation module is used to obtain a standard data range corresponding to each external correlation detection data, wherein the standard data range includes first standard data and second standard data, and the first standard data is smaller than the second standard data; The second calculation module is used to generate a safety data identifier for all external associated detection data that is smaller than the first standard data; The second calculation module is used to generate a standard data identifier for all externally associated detection data that is greater than or equal to the first standard data and less than or equal to the second standard data; The second calculation module is used to generate a dangerous data identifier for all external associated detection data that is greater than the second standard data; The second calculation module is used to count the number of safety identifications of the safety data identifications, the number of standard identifications of the standard data identifications, and the number of dangerous identifications of the dangerous data identifications; The second calculation module is used to calculate the second energy-saving control factor of the equipment to be cooled based on the number of safety identifications, the number of standard identifications, and the number of danger identifications.

[0011] Furthermore, the second calculation module is used for: The second calculation module is used to calculate the second energy-saving control factor of the equipment to be cooled according to the following formula: ; Among them, L is the second energy-saving control factor, G1 is the number of safety labels, G2 is the number of standard labels, and G3 is the number of danger labels.

[0012] Furthermore, the energy-saving control module is used to: The energy-saving control module is used to configure a third weight for the first energy-saving control factor and a fourth weight for the second energy-saving control factor; The energy-saving control module is used to calculate the comprehensive energy-saving control factor of the equipment to be cooled according to the following formula: ; Among them, W is the comprehensive energy-saving control factor, h1 is the third weight, and h2 is the fourth weight.

[0013] Furthermore, the energy-saving control module is used to: The energy-saving control module is used to determine a cooling device corresponding to the equipment to be cooled; The energy-saving control module is used to set the cooling power of the cooling device according to the comprehensive energy-saving control factor, wherein the comprehensive energy-saving control factor and the cooling power are in direct proportion.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The point deployment module receives the cooling instruction of the thermal power plant, determines the equipment to be cooled, and deploys multiple cooling detection points and external associated detection points; the first calculation module detects the temperature data of each cooling detection point, and calculates the first energy-saving control factor of the equipment to be cooled; the second calculation module detects the external associated detection data of each external associated detection point, and calculates the second energy-saving control factor of the equipment to be cooled; the energy-saving control module calculates the comprehensive energy-saving control factor according to the first energy-saving control factor and the second energy-saving control factor, and performs automatic energy-saving control, and calculates the comprehensive energy-saving control factor of the equipment to be cooled through the first energy-saving control factor and the second energy-saving control factor, thereby providing reliable data support for the automatic energy-saving control of the cooling device, ensuring the accuracy and efficiency of the automatic energy-saving control, and reducing the control error and cooling energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings: Figure 1 The schematic diagram of the structure of the electrical engineering automation energy-saving control system for a thermal power plant in an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0016] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0017] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0018] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0019] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0020] The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

[0021] like Figure 1 As shown, an embodiment of the present invention discloses an electrical engineering automation energy-saving control system for a thermal power plant, comprising: A point deployment module is used to receive a cooling instruction from a thermal power plant, parse the cooling instruction from the thermal power plant, determine the equipment to be cooled, and deploy multiple cooling detection points and external associated detection points on the equipment to be cooled; A first calculation module, used to detect temperature data of each cooling detection point, and calculate a first energy-saving control factor of the device to be cooled based on the temperature data; A second calculation module is used to detect the external correlation detection data of each external correlation detection point, analyze the external correlation detection data, and calculate the second energy-saving control factor of the equipment to be cooled based on the analysis result; The energy-saving control module is used to calculate the comprehensive energy-saving control factor of the equipment to be cooled according to the first energy-saving control factor and the second energy-saving control factor, and perform automatic energy-saving control according to the comprehensive energy-saving control factor.

[0022] In this embodiment, the temperature drop detection point refers to the temperature detection point, and the external correlation detection point refers to data that affects the continued increase in temperature, such as ambient temperature, ambient humidity, and the like.

[0023] The beneficial effect of the above technical solution is: the comprehensive energy-saving control factor of the equipment to be cooled is calculated by the first energy-saving control factor and the second energy-saving control factor, thereby providing reliable data support for the automatic energy-saving control of the cooling device, ensuring the accuracy and efficiency of the automatic energy-saving control, and reducing control errors and cooling energy consumption.

[0024] In some embodiments of the present application, it also includes: A judgment module is used to match the thermal power plant cooling instruction with the instruction category of the previous instruction, and to judge whether the thermal power plant cooling instruction is the same as the previous instruction. If the thermal power plant cooling instruction matches the instruction category of the previous instruction, it is determined that the thermal power plant cooling instruction is the same as the previous instruction, and the first time node of sending the thermal power plant cooling instruction is collected, and the second time node of sending the previous instruction is collected; Calculating the time node difference between the first time node and the second time node, and judging whether the thermal power plant cooling instruction can be received according to the relationship between the time node difference and the preset time node difference, If the time node difference is greater than or equal to the preset time node difference, it is determined that the thermal power plant cooling instruction can be processed; If the time node difference is less than the preset time node difference, it is determined that the thermal power plant cooling instruction cannot be processed, and a log reminder is generated and sent; If the thermal power plant cooling instruction does not match the instruction category of the previous instruction, it is determined that the thermal power plant cooling instruction is different from the previous instruction, and the thermal power plant cooling instruction is received.

[0025] In this embodiment, the previous instruction may be a voltage increase instruction, a voltage decrease instruction, a temperature increase instruction, etc.

[0026] In this embodiment, the preferred range of the time node difference is 5 minutes to 10 minutes, and 8 minutes is preferred here.

[0027] In this embodiment, if the time node difference is less than the preset time node difference, it may be that the staff has made an erroneous operation, so a log reminder is generated.

[0028] The beneficial effect of the above technical solution is that the present invention can not only ensure the normal reception and processing of the cooling instruction of the thermal power plant, but also avoid the occurrence of missed operations and ensure the stable operation.

[0029] In some embodiments of the present application, the first computing module is used to: The first calculation module is used to construct a temperature data set according to all temperature data, and calculate the temperature mean and temperature standard deviation of the temperature data set; The first calculation module is used to extract temperature data greater than or equal to the temperature mean and construct a first sub-temperature data set; The first calculation module is used to extract temperature data greater than or equal to the temperature standard deviation and construct a second sub-temperature data set; The first calculation module is used to determine whether the first sub-temperature data set and the second sub-temperature data set have an intersection, and if so, extract the intersection temperature data to obtain a temperature data set to be processed; If not, the temperature data set is taken as the temperature data set to be processed; The first calculation module is used to determine a first temperature data mean and a first temperature data standard deviation of the temperature data set to be processed; The first calculation module is used to calculate a standard temperature processing value based on the first temperature data mean and the first temperature data standard deviation; The first calculation module is used to divide the to-be-processed temperature data set into series based on the standard temperature processing value, and calculate the first energy-saving control factor of the to-be-cooled equipment according to the obtained series.

[0030] In this embodiment, the standard temperature processing value=(the mean value of the first temperature data+the standard deviation of the first temperature data) / 2.

[0031] The beneficial effect of the above technical solution is: the present invention calculates the standard temperature processing value based on the first temperature data mean and the first temperature data standard deviation, which can provide a reliable basis for the division of the temperature data set to be processed, ensure the division accuracy, and further ensure the calculation accuracy of the first energy-saving control factor.

[0032] In some embodiments of the present application, the first computing module is used to: The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are less than the standard temperature processing value into a first temperature data series; The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are equal to the standard temperature processing value into a second temperature data series; The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are greater than the standard temperature processing value into a third temperature data series; The first calculation module is used to calculate a first energy-saving control factor of the equipment to be cooled according to the first temperature data series, the second temperature data series, and the third temperature data series.

[0033] In some embodiments of the present application, the first computing module is used to: The first calculation module is used to count the number of first temperature data of the first temperature series, the number of second temperature data of the second temperature series, and the number of third temperature data of the third temperature series; The first calculation module is used to configure a first weight for the first temperature data series and a third weight for the third temperature data series; The first calculation module is used to calculate the first energy-saving control factor of the equipment to be cooled according to the following formula: ; Among them, H is the first energy-saving control factor, m is the number of first temperature data, ki is the i-th temperature data in the first temperature data series, J is the standard temperature treatment value, Kmax is the largest value among all Ⅰki-JⅠ, Kmin is the smallest value among all Ⅰki-JⅠ, a1 is the first weight, a2 is the second weight, n is the number of third temperature data, ej is the j-th temperature data in the third temperature data series, emax is the largest value among all Ⅰej-JⅠ, emin is the smallest value among all Ⅰej-JⅠ, and p is the adjustment coefficient of the first energy-saving control factor.

[0034] In this embodiment, the first weight is 0.4 and the second weight is 0.8.

[0035] The beneficial effect of the above technical solution is: the present invention calculates the first energy-saving control factor of the equipment to be cooled according to the first temperature data series, the second temperature data series, and the third temperature data series, thereby ensuring the accuracy of the first energy-saving control factor, avoiding calculation errors caused by manual participation, and improving calculation efficiency, thereby laying the foundation for automated energy-saving control.

[0036] In some embodiments of the present application, the first calculation module is used to determine the adjustment coefficient p of the first energy-saving control factor according to the following method: The first calculation module is used to pre-set a first adjustment coefficient p1, a second adjustment coefficient p2 and a third adjustment coefficient p3; The first calculation module is used for selecting the first adjustment coefficient p1 as the adjustment coefficient p of the first energy-saving control factor when the number of second temperature data is ≤0.8 (m+n); The first calculation module is used for selecting the second adjustment coefficient p2 as the adjustment coefficient p of the first energy-saving control factor when 0.8 (m + n) < the number of second temperature data ≤ 1.15 (m + n); The first calculation module is used for selecting the third adjustment coefficient p3 as the adjustment coefficient p of the first energy-saving control factor when 1.15 (m+n) ≤ the second temperature data quantity.

[0037] In this embodiment, the first adjustment coefficient p1, the second adjustment coefficient p2 and the third adjustment coefficient p3 are all preset values, p1=0.85, p2=1, p3=1.25.

[0038] The beneficial effect of the above technical solution is: the present invention sets the adjustment coefficient of the first energy-saving control factor according to the number of first temperature data, the number of second temperature data, and the number of third temperature data, thereby realizing dynamic adjustment of the first energy-saving control factor, further ensuring the accuracy of the first energy-saving control factor, avoiding the singleness of the calculation process, and ensuring the comprehensiveness of the calculation.

[0039] In some embodiments of the present application, the second computing module is used to: The second calculation module is used to obtain a standard data range corresponding to each external correlation detection data, wherein the standard data range includes first standard data and second standard data, and the first standard data is smaller than the second standard data; The second calculation module is used to generate a safety data identifier for all external associated detection data that is smaller than the first standard data; The second calculation module is used to generate a standard data identifier for all externally associated detection data that is greater than or equal to the first standard data and less than or equal to the second standard data; The second calculation module is used to generate a dangerous data identifier for all external associated detection data that is greater than the second standard data; The second calculation module is used to count the number of safety identifications of the safety data identifications, the number of standard identifications of the standard data identifications, and the number of dangerous identifications of the dangerous data identifications; The second calculation module is used to calculate the second energy-saving control factor of the equipment to be cooled based on the number of safety identifications, the number of standard identifications, and the number of danger identifications.

[0040] In this embodiment, if the external correlation detection data is the ambient temperature, the corresponding standard data range is 0-25° C., where 0 is the first standard data and 25 is the second standard data.

[0041] The beneficial effect of the above technical solution is: the present invention calculates the second energy-saving control factor of the equipment to be cooled based on the number of safety signs, the number of standard signs, and the number of hazard signs. By calculating the second energy-saving control factor, the present invention can provide another technical support for the automated energy-saving control of the equipment to be cooled, thereby further ensuring the flexibility and comprehensiveness of the automated energy-saving control.

[0042] In some embodiments of the present application, the second computing module is used to: The second calculation module is used to calculate the second energy-saving control factor of the equipment to be cooled according to the following formula: ; Among them, L is the second energy-saving control factor, G1 is the number of safety labels, G2 is the number of standard labels, and G3 is the number of danger labels.

[0043] In some embodiments of the present application, the energy-saving control module is used to: The energy-saving control module is used to configure a third weight for the first energy-saving control factor and a fourth weight for the second energy-saving control factor; The energy-saving control module is used to calculate the comprehensive energy-saving control factor of the equipment to be cooled according to the following formula: ; Among them, W is the comprehensive energy-saving control factor, h1 is the third weight, and h2 is the fourth weight.

[0044] In this embodiment, the third weight is 0.8 and the fourth weight is 0.2.

[0045] In some embodiments of the present application, the energy-saving control module is used to: The energy-saving control module is used to determine a cooling device corresponding to the equipment to be cooled; The energy-saving control module is used to set the cooling power of the cooling device according to the comprehensive energy-saving control factor, wherein the comprehensive energy-saving control factor and the cooling power are in direct proportion.

[0046] In this embodiment, the cooling device is a water-cooling cooling device.

[0047] In this embodiment, a first preset comprehensive energy-saving control factor and a second preset comprehensive energy-saving control factor are preset, and the first preset comprehensive energy-saving control factor is smaller than the second preset comprehensive energy-saving control factor, which is specifically set according to actual conditions.

[0048] In this embodiment, a first preset cooling power, a second preset cooling power and a third preset cooling power are preset, and the first preset cooling power is smaller than the second preset cooling power and smaller than the third preset cooling power.

[0049] In this embodiment, when the comprehensive energy-saving control factor is less than the first preset comprehensive energy-saving control factor, the first preset cooling power is selected as the cooling power of the cooling device; when the comprehensive energy-saving control factor is greater than or equal to the first preset comprehensive energy-saving control factor and less than the second preset comprehensive energy-saving control factor, the second preset cooling power is selected as the cooling power of the cooling device; when the comprehensive energy-saving control factor is greater than or equal to the second preset comprehensive energy-saving control factor, the third preset cooling power is selected as the cooling power of the cooling device.

[0050] The beneficial effect of the above technical solution is: the present invention sets the cooling power of the cooling device according to the comprehensive energy-saving control factor, realizes the targeted and intelligent setting of the cooling power, avoids fixed setting, can not only ensure the cooling efficiency, but also reduce energy consumption, and realize energy-saving control.

[0051] In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in a suitable manner in any one or more embodiments or examples.

[0052] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed by the present invention may be used in combination with each other in any manner, and the fact that these combinations are not fully described in this specification is only for the sake of omitting space and saving resources.

[0053] Those skilled in the art can understand that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electrical engineering automation energy-saving control system for a thermal power plant, characterized in that: include: A point deployment module is used to receive a cooling instruction from a thermal power plant, parse the cooling instruction from the thermal power plant, determine the equipment to be cooled, and deploy multiple cooling detection points and external associated detection points on the equipment to be cooled; A first calculation module, used to detect temperature data of each cooling detection point, and calculate a first energy-saving control factor of the device to be cooled based on the temperature data; A second calculation module is used to detect the external correlation detection data of each external correlation detection point, analyze the external correlation detection data, and calculate the second energy-saving control factor of the equipment to be cooled based on the analysis result; The energy-saving control module is used to calculate the comprehensive energy-saving control factor of the equipment to be cooled according to the first energy-saving control factor and the second energy-saving control factor, and perform automatic energy-saving control according to the comprehensive energy-saving control factor.

2. The electrical engineering automation energy-saving control system for a thermal power plant according to claim 1, characterized in that: Also includes: A judgment module is used to match the thermal power plant cooling instruction with the instruction category of the previous instruction, and to judge whether the thermal power plant cooling instruction is the same as the previous instruction. If the thermal power plant cooling instruction matches the instruction category of the previous instruction, it is determined that the thermal power plant cooling instruction is the same as the previous instruction, and the first time node of sending the thermal power plant cooling instruction is collected, and the second time node of sending the previous instruction is collected; Calculating the time node difference between the first time node and the second time node, and judging whether the thermal power plant cooling instruction can be received according to the relationship between the time node difference and the preset time node difference, If the time node difference is greater than or equal to the preset time node difference, it is determined that the thermal power plant cooling instruction can be processed; If the time node difference is less than the preset time node difference, it is determined that the thermal power plant cooling instruction cannot be processed, and a log reminder is generated and sent; If the thermal power plant cooling instruction does not match the instruction category of the previous instruction, it is determined that the thermal power plant cooling instruction is different from the previous instruction, and the thermal power plant cooling instruction is received.

3. The electrical engineering automation energy-saving control system for a thermal power plant according to claim 1, characterized in that: The first calculation module is used for: The first calculation module is used to construct a temperature data set according to all temperature data, and calculate the temperature mean and temperature standard deviation of the temperature data set; The first calculation module is used to extract temperature data greater than or equal to the temperature mean and construct a first sub-temperature data set; The first calculation module is used to extract temperature data greater than or equal to the temperature standard deviation and construct a second sub-temperature data set; The first calculation module is used to determine whether the first sub-temperature data set and the second sub-temperature data set have an intersection, and if so, extract the intersection temperature data to obtain a temperature data set to be processed; If not, the temperature data set is taken as the temperature data set to be processed; The first calculation module is used to determine a first temperature data mean and a first temperature data standard deviation of the temperature data set to be processed; The first calculation module is used to calculate a standard temperature processing value based on the first temperature data mean and the first temperature data standard deviation; The first calculation module is used to divide the to-be-processed temperature data set into series based on the standard temperature processing value, and calculate the first energy-saving control factor of the to-be-cooled equipment according to the obtained series.

4. The electrical engineering automation energy-saving control system for a thermal power plant according to claim 3, characterized in that: The first calculation module is used for: The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are less than the standard temperature processing value into a first temperature data series; The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are equal to the standard temperature processing value into a second temperature data series; The first calculation module is used to divide all temperature data in the to-be-processed temperature data set that are greater than the standard temperature processing value into a third temperature data series; The first calculation module is used to calculate a first energy-saving control factor of the equipment to be cooled according to the first temperature data series, the second temperature data series, and the third temperature data series.

5. The electrical engineering automation energy-saving control system for a thermal power plant according to claim 4, characterized in that: The first calculation module is used for: The first calculation module is used to count the number of first temperature data in the first temperature series, the number of second temperature data in the second temperature series, and the number of third temperature data in the third temperature series; The first calculation module is used to configure a first weight for the first temperature data series and a third weight for the third temperature data series; The first calculation module is used to calculate the first energy-saving control factor of the equipment to be cooled according to the following formula: ； Wherein, H is the first energy-saving control factor, m is the number of the first temperature data, ki is the i-th temperature data in the first temperature data series, J is the standard temperature treatment value, Kmax is the largest value among all Ⅰki-JⅠ, Kmin is the smallest value among all Ⅰki-JⅠ, a1 is the first weight, a2 is the second weight, n is the number of the third temperature data, ej is the j-th temperature data in the third temperature data series, emax is the largest value among all Ⅰej-JⅠ, emin is the smallest value among all Ⅰej-JⅠ, and p is the adjustment coefficient of the first energy-saving control factor; The first calculation module is used to determine the adjustment coefficient p of the first energy-saving control factor according to the following method: The first calculation module is used to pre-set a first adjustment coefficient p1, a second adjustment coefficient p2 and a third adjustment coefficient p3; The first calculation module is used for selecting the first adjustment coefficient p1 as the adjustment coefficient p of the first energy-saving control factor when the number of second temperature data is ≤0.8 (m+n); The first calculation module is used for selecting the second adjustment coefficient p2 as the adjustment coefficient p of the first energy-saving control factor when 0.8 (m + n) < the number of second temperature data ≤ 1.15 (m + n); The first calculation module is used for selecting the third adjustment coefficient p3 as the adjustment coefficient p of the first energy-saving control factor when 1.15 (m+n) ≤ the second temperature data quantity.

6. The electrical engineering automation energy-saving control system for a thermal power plant according to claim 1, characterized in that: The second calculation module is used for: The second calculation module is used to obtain a standard data range corresponding to each external correlation detection data, wherein the standard data range includes first standard data and second standard data, and the first standard data is smaller than the second standard data; The second calculation module is used to generate a safety data identifier for all external associated detection data that is smaller than the first standard data; The second calculation module is used to generate a standard data identifier for all externally associated detection data that is greater than or equal to the first standard data and less than or equal to the second standard data; The second calculation module is used to generate a dangerous data identifier for all external associated detection data that is greater than the second standard data; The second calculation module is used to count the number of safety identifications of the safety data identifications, the number of standard identifications of the standard data identifications, and the number of dangerous identifications of the dangerous data identifications; The second calculation module is used to calculate the second energy-saving control factor of the equipment to be cooled based on the number of safety identifications, the number of standard identifications, and the number of danger identifications.

7. The electrical engineering automation energy-saving control system for a thermal power plant according to claim 6, characterized in that: The second calculation module is used for: The second calculation module is used to calculate the second energy-saving control factor of the equipment to be cooled according to the following formula: ； Among them, L is the second energy-saving control factor, G1 is the number of safety labels, G2 is the number of standard labels, and G3 is the number of danger labels.

8. The electrical engineering automation energy-saving control system for a thermal power plant according to claim 7, characterized in that: The energy-saving control module is used for: The energy-saving control module is used to configure a third weight for the first energy-saving control factor and a fourth weight for the second energy-saving control factor; The energy-saving control module is used to calculate the comprehensive energy-saving control factor of the equipment to be cooled according to the following formula: ； Among them, W is the comprehensive energy-saving control factor, h1 is the third weight, and h2 is the fourth weight.

9. The electrical engineering automation energy-saving control system for a thermal power plant according to claim 1, characterized in that: The energy-saving control module is used for: The energy-saving control module is used to determine a cooling device corresponding to the equipment to be cooled; The energy-saving control module is used to set the cooling power of the cooling device according to the comprehensive energy-saving control factor, wherein the comprehensive energy-saving control factor and the cooling power are in direct proportion.

Images