A control system for a SCADA central control room

Abstract

The present invention relates to the field of diesel power generation, and discloses a control system of a SCADA control room, including a control module and a plurality of generator sets, each of which is provided with a heat dissipation mechanism, a temperature sensor and a timing module, the heat dissipation mechanism including a fan, a heat dissipation water tank, a water storage tank, a water pump, a connecting pipe, a connecting solenoid valve, a reflux solenoid valve and a water exchange pipe, and the heat dissipation water tank is fixedly connected to the outer wall of each generator set. The control system of the SCADA control room controls a plurality of generator sets through the branching of the control module, so that the heat dissipation mechanism, the temperature sensor and the timing module coordinated by the plurality of generator sets can monitor and cool down the high temperature generated by the generator sets due to the work in real time, solves the pain point that some existing diesel generator sets cannot be controlled as a whole when working, makes the overall control more diversified, and can take different temperature control measures for different generator sets.

Description

Technical Field

[0001] The invention relates to the field of diesel power generation, in particular to a control system of a SCADA central control room. Background Art

[0002] Diesel power generation is one of the most common power generation methods. Due to the simple structure of diesel generators and their wide application range, diesel generator sets are also widely used in my country. In the process of diesel generator sets generating electricity, due to the continuous advancement of industrial automation technology, SCADA control programs are increasingly used in diesel generator power generation statistics or scheduling applications.

[0003] The current application of SCADA control programs in the field of diesel power generation is only in the overall power generation scheduling, and is not applied to the overall unit temperature monitoring and control level of diesel generators. Generally, a single diesel generator set is independently controlled by a control cabinet to realize the start, stop, operation, fault warning and other signals of a single generator set. When multiple generator sets work at the same time, centralized control cannot be achieved. Individual control is time-consuming, labor-intensive and inefficient, and data cannot be collected and monitored and controlled, and abnormal faults cannot be checked in time. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a control system for a SCADA central control room, which has the advantages of higher integration of temperature monitoring and control, and solves the problems in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] In order to achieve the purpose of higher integration of the above-mentioned temperature monitoring and control, the present invention provides the following technical solution: a control system of a SCADA central control room, comprising a control module and a plurality of generator sets, characterized in that: each of the generator sets is provided with a heat dissipation mechanism, a temperature sensor and a timing module;

[0008] The heat dissipation mechanism includes a fan, a heat dissipation water tank, a water storage tank, a water pump, a connecting pipe, a connecting solenoid valve, a reflux solenoid valve and a water exchange pipe;

[0009] The heat dissipation water tank is fixedly connected to the outer wall of each generator set, the fan is fixedly connected to one side of the heat dissipation water tank, the water storage tank is a spliced ​​water storage tank, a partition is provided in the middle, a return solenoid valve is provided at the bottom of the partition, and cooling water is contained in the water storage tank;

[0010] The number of the water pumps and the connecting pipes are both two, and the two water pumps are arranged in the middle sections of the two connecting pipes, and the two connecting pipes constitute the water inlet and return paths to the heat dissipation water tank;

[0011] One end of the water exchange pipe is fixedly connected to the outer wall of the return water connection pipe, and the other end is fixedly connected to the water storage part in the water storage tank;

[0012] The two water pumps are divided into an inlet water pump and an outlet water pump, and there are two connecting solenoid valves. The two connecting solenoid valves are respectively arranged at the end of the return water connecting pipe near the water tank and the middle section of the water exchange pipe, and the water pump, the connecting solenoid valve and the reflux solenoid valve are all connected to the control module line for control.

[0013] Preferably, the control module can control the generator set, and the control module receives temperature data fed back by the temperature sensor, and the control module controls the generator set and the heat dissipation mechanism according to the temperature data fed back by the temperature sensor.

[0014] Preferably, the control module controls the generator set and the heat dissipation mechanism as follows through the temperature data fed back by the temperature sensor:

[0015] The control module controls the multiple generator sets to start generating electricity, and the temperature sensor sets the temperature range to t1, t2, t3 and t4, t1 represents the normal working temperature of the generator set, t2 represents the high temperature of the generator set, t3 represents the shutdown temperature of the generator set, and t4 represents the water temperature in the water storage tank is at normal temperature;

[0016] The timing module cooperates with the temperature sensor to record the temperature holding time periods t1, t2 and t3.

[0017] Preferably, if the temperature sensor detects that the time from t1 to t2 or from t2 to t1 is short, the timing module is recorded as s1; if the temperature sensor detects that the time from t1 to t2 or from t2 to t1 is long, the timing module is recorded as s2.

[0018] Preferably, the control module controls the heat dissipation mechanism and the generator set by receiving data from the temperature sensor and the timing module, as follows:

[0019] S1: When the temperature of multiple generator sets rises during operation, if the temperature detected by the temperature sensor is t1, the control module does not send any instructions, the heat dissipation mechanism and the timing module do not work, and the module remains in standby mode, and no cooling measures are taken for the generator sets;

[0020] S2: If the temperature sensor detects a temperature rise, the generator set needs to reduce power and cool the generator set itself.

[0021] Preferably, step S2 includes the following specific operation steps:

[0022] S2a: When the temperature sensor and timing module detect that the temperature t2 changes to t1 at the time s1, the generator set can increase the speed and power to resume normal power generation;

[0023] S2b: The temperature sensor and the timing module continuously monitor the generator set. After the generator set reduces power and temperature, if the parameter monitored by the timing module is s2, a heat dissipation mechanism is required to perform heat dissipation.

[0024] Preferably, the step S2a comprises:

[0025] S2a-1: After the generator set reduces power, the temperature sensor and timing module detect that the time from temperature t2 to t1 is s1, and the generator set increases speed and power to resume normal power generation;

[0026] S2a-2: The speed of the generator set is reduced and the heat dissipation mechanism works simultaneously. The timing module monitors the time when the temperature t2 fed back by the temperature sensor changes to t1.

[0027] Preferably, the steps S2a-2b include:

[0028] S2a-2b1: After the water pump is pressurized and the cooling water volume increases, the temperature sensor and timing module recalculate the cooling time of the generator set. If it is s1, it is a normal rate and normal power generation can be carried out;

[0029] S2a-2b2: After the water pump is pressurized and the cooling water volume increases, the temperature sensor and timing module restart calculating the time for the temperature of the generator set to drop from t2 to t1. If the feedback rate of the timing module is s2, the generator set will shut down and report a fault, reminding the staff to perform repairs and maintenance at s2. At this time, the control module controls the heat dissipation mechanism or shuts it down through the temperature of the temperature sensor.

[0030] Preferably, step S2a-2 comprises:

[0031] S2a-2a: The temperature sensor installed on the connecting pipe reads a temperature value less than or equal to t4. At this time, the generator set stops and reports a fault, reminding the staff to carry out repair and maintenance;

[0032] S2a-2b: When the temperature sensor detects that the temperature parameter of the return water in the connecting pipe is greater than t4, it is necessary to increase the cooling water flow rate of the water tank in the heat dissipation mechanism.

[0033] Preferably, the steps S2a-2b include:

[0034] S2a-2b1: After the water pump is pressurized and the cooling water volume increases, the temperature sensor and timing module recalculate the cooling time of the generator set to s1, and normal power generation can be carried out;

[0035] S2a-2b2: After the water pump is pressurized and the cooling water volume increases, the temperature sensor and timing module restart calculating the time for the generator set temperature to drop from t2 to t1. If the feedback rate of the timing module is s2, the generator set will shut down and report a fault, reminding the staff to perform repairs and maintenance.

[0036] The control system of the SCADA central control room is tightly fitted with the generator set through the fan and the cooling water tank in the cooling mechanism, so that the water in the cooling water tank can absorb the heat generated by the generator set. At the same time, multiple generator sets are controlled through the branch of the control module, so that the cooling mechanism, temperature sensor and timing module of multiple generator sets can monitor and cool down the high temperature generated by the generator set due to work in real time, which solves the pain point that some existing diesel generator sets cannot be controlled as a whole when working, makes the overall cooling control more diversified, and can take different temperature control measures for different generator sets.

[0037] The control system of the SCADA control room uses control modules to individually increase or decrease the power of multiple generator sets. When a single generator set is in the process of heat dissipation or repair and maintenance, it can increase the power generation of other generator sets, appropriately improve the power generation of normally operating generator sets, and greatly reduce the loss of power generation caused by shutdown of a single unit due to repair or maintenance. While increasing the power generation, it can also ensure the stability of the operation of other generator sets through the overall control system and heat dissipation mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the heat dissipation system pipeline in the present invention;

[0039] Figure 2 It is a schematic diagram of the control system in the present invention;

[0040] Figure 3 It is a schematic diagram of the control system flow in the present invention.

[0041] In the figure:

[0042] 1. Control module;

[0043] 2. Generator set;

[0044] 3. Heat dissipation mechanism; 301. Fan; 302. Heat dissipation water tank; 303. Water storage tank; 304. Water pump; 305. Connecting pipe; 306. Connecting solenoid valve; 307. Backflow solenoid valve; 308. Water exchange pipe;

[0045] 4. Temperature sensor;

[0046] 5. Timing module. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] Example 1

[0049] A preferred embodiment of the control system of a SCADA control room provided by the present invention is as follows: Figure 1 As shown: a control system of a SCADA central control room, including a control module 1 and a plurality of generator sets 2, and each generator set 2 is provided with a heat dissipation mechanism 3, a temperature sensor 4 and a timing module 5.

[0050] The heat dissipation mechanism 3 includes a fan 301, a heat dissipation water tank 302, a water storage tank 303, a water pump 304, a connecting pipe 305, a connecting solenoid valve 306, a reflux solenoid valve 307 and a water exchange pipe 308;

[0051] In this embodiment, the heat dissipation water tank 302 is fixedly connected to the outer wall of each generator set 2, and the fan 301 is fixedly connected to one side of the heat dissipation water tank 302 to dissipate heat to the outside of the heat dissipation water tank 302 and the generator set 2. The water storage tank 303 is a spliced ​​water storage tank, with a partition in the middle, and a connecting electromagnetic valve 306 at the bottom of the partition, which divides the water storage tank 303 into two parts: water passing and water storing, and both the water passing part and the water storing part in the water storage tank 303 are filled with cooling water;

[0052] There are two water pumps 304 and two connecting pipes 305, and the two water pumps 304 are arranged in the middle section of the two connecting pipes 305, and the two connecting pipes 305 constitute the water inlet and return paths for the heat dissipation water tank 302;

[0053] One end of the connecting pipe 308 is fixedly connected to the outer wall of the return water connection pipe 305, and the other end is fixedly connected to the water storage part in the water storage tank 303;

[0054] The two water pumps 304 are divided into an inlet water pump and an outlet water pump, and there are two connecting solenoid valves 306. The two connecting solenoid valves 306 are respectively arranged at the end of the return water connecting pipe 305 near the water tank 303 and the middle section of the water exchange pipe 308, and the water pump 304, the connecting solenoid valve 306 and the reflux solenoid valve 307 are all connected to the control module 1 for control.

[0055] When the generator set 2 needs to be cooled, the connection solenoid valve 360 ​​is closed, the reflux solenoid valve 307 is opened, and both water pumps 304 are started to pump the water in the cooling water tank 302 into the water transfer tank in the water storage tank 303, and the water in the water transfer tank in the water storage tank 303 is pumped out to the cooling water tank 302 to complete the water exchange, which can take away the heat generated by the generator set 2 during operation in the cooling water tank 302 through the circulation of water.

[0056] Example 2

[0057] Based on Example 1, a preferred embodiment of the control system of a SCADA central control room provided by the present invention is referred to Figure 2 and Figure 3 As shown: the control module 1 can control the generator set 2, and the control module 1 can also receive the temperature data fed back by the temperature sensor 4. The control module 1 controls the generator set 2 and the heat dissipation mechanism 3 through the temperature data fed back by the temperature sensor 4. The specific steps are as follows:

[0058] Control module 1: controls multiple generator sets 2 to start generating electricity, and controls fans 301, water pumps 304, connecting pipes 305 and solenoid valves 306 to be in standby state. Temperature sensor 4 and timing module 5 start to monitor the temperature of the generator sets 2 in operation. The temperature sensor 4 sets the temperature range to t1, t2, t3 and t4, where t1 represents the normal operating temperature of the generator set 2, t2 represents the high temperature of the generator set 2, and t3 represents the shutdown temperature of the generator set. T4 represents the water temperature in the water storage tank 302 to be at normal temperature.

[0059] Timing module 5: cooperates with temperature sensor 4 to record the temperature holding time periods of t1, t2 and t3:

[0060] Specifically, if the temperature sensor 4 detects that the time from t1 to t2 or from t2 to t1 is shorter, the timing module 5 is recorded as s1; if the temperature sensor 4 detects that the time from t1 to t2 or from t2 to t1 is longer, the timing module 5 is recorded as s2; s1 represents a faster heating and cooling rate, which is a normal heating and cooling rate, and the heat dissipation mechanism 3 and the timing module 5 do not work; s2 represents a slower heating and cooling rate, which is an abnormal heating and cooling rate, and the control module 1 is required to control the heat dissipation mechanism, the temperature sensor 4 and the timing module 5 to work. By setting the temperature parameters to four gears and setting the four gears in a graded manner, the command sending of the control module 1 and the accurate grading of the cooling effect can be ensured. At the same time, in conjunction with the cooling rate of the timing module 5, the generator set 2 and the heat dissipation mechanism 3 can be combined, and cooling or shutdown measures can be taken in real time.

[0061] The control module 1 receives data from the temperature sensor 4 and the timing module 5, and controls the heat dissipation mechanism 3 and the generator set 2, specifically:

[0062] S1: The temperature of multiple generator sets 2 rises during operation. If the temperature detected by the temperature sensor 4 is t1, and the operating temperature of the generator set 2 is within the normal range, it means that the generator set 2 is operating normally, the control module 1 does not send any instructions, the heat dissipation mechanism 3 and the timing module 5 do not work, and the generator set 2 remains in a standby state. It is not necessary to take cooling measures for the generator set 2.

[0063] S2: If the temperature sensor 4 detects that the temperature rises to t2, the generator set 2 needs to reduce power and perform self-cooling on the generator set 2:

[0064] Specifically, the temperature of multiple generator sets 2 rises during operation. If the temperature detected by the temperature sensor 4 is t2, it means that the temperature of the generator set 2 has risen to a state where it needs to be cooled down. The control module 1 needs to send a command to cool down. The control module 1 sends a command to control the generator set 2, so that the overall speed of the generator set 2 is reduced, and the power is reduced to achieve the effect of reducing the internal temperature. At this time, the timing module 5 records the change in temperature read by the temperature sensor 4. When the timing module 5 detects that the time when the temperature t2 in the temperature sensor 4 changes to t1 is s1, it means that the cooling effect brought about by the reduction in the speed of the generator set 2 itself is a normal cooling rate, and the cooling time of the generator set 2 is reasonable. At this time, the speed of the generator set 2 can be increased to return to a normal working state, and the normal power generation of the generator set 2 can be restored.

[0065] S2 includes the following specific steps:

[0066] S2a: The temperature sensor 4 and the timing module 5 continuously monitor the generator set 2. After the generator set 2 reduces power and temperature, if the parameter monitored by the timing module 5 is still s2, the heat dissipation mechanism 3 needs to be used for heat dissipation:

[0067] Specifically, the temperature of multiple generator sets 2 rises during operation. If the timing module 5 detects that the time it takes for the temperature t2 in the temperature sensor 4 to change to t1 is s2, the cooling time of the generator set 2 is still relatively long and the cooling rate is unreasonable. At this time, the overall speed of the generator set 2 maintains the low-speed working state in step S2b. At the same time, the control module 1 sends an instruction to make the cooling fan 302 in the heat dissipation mechanism 3 start to rotate, the connecting solenoid valve 307 on the water exchange pipe 308 is opened, the connecting solenoid valve 306 on the connecting pipe 305 and the connecting solenoid valve 306 at the partition position of the water storage tank 303 are both closed, and the two water pumps 304 begin to pump out the cooling water in the water tank part of the water storage tank 303 and pump the cooling water into the heat dissipation water tank 302 to form a circulation loop, so as to take away the heat adsorbed by the heat dissipation water tank 302 and cool the surface of the generator set 2.

[0068] S2b: When the temperature sensor 4 and the timing module 5 detect that the time from the temperature t2 to t1 is s1, the cooling time of the generator set 2 is reasonable, which can ensure normal power generation, and the generator set 2 can increase the speed and power to resume normal power generation.

[0069] S2a also includes the following specific steps:

[0070] S2a-1: When the temperature sensor 4 and the timing module 5 detect that the time from the temperature t2 to t1 is s1, the cooling time of the generator set 2 is reasonable and can ensure normal power generation. At this time, the heat dissipation mechanism 3 stops working, and the generator set 2 can increase the speed and increase the power to resume normal power generation.

[0071] S2a-2: the speed of the generator set 2 is reduced and the heat dissipation mechanism 3 works at the same time. The timing module 5 detects that the temperature t2 fed back by the temperature sensor 4 changes to t1 at a time s2, indicating that the cooling rate of the generator set 2 is still low. At this time, the control module 1 controls the heat dissipation mechanism 3 or shuts it down based on the temperature of the temperature sensor 4.

[0072] S2a-2 includes the following steps:

[0073] S2a-2a: The temperature sensor 4 arranged on the connecting pipe 305 reads a temperature value less than or equal to t4, which means that the temperature of the cooling water circulating in the heat dissipation water tank 302 is normal, which means that the cooling water circulating through the water pump 304 can effectively dissipate the heat of the generator set 2. However, the timing module 5 monitors that the temperature t2 feedback from the temperature sensor 4 changes to t1 at the same time s2, which means that the heat of the generator set 2 cannot be dissipated by external means. At this time, the generator set 2 shuts down and reports a fault, reminding the staff to perform repair and maintenance.

[0074] S2a-2b: When the temperature sensor 4 detects that the temperature parameter of the return water in the connecting pipe 305 is greater than t4, it is necessary to increase the cooling water flow rate of the water storage tank 303 in the heat dissipation mechanism 3;

[0075] Specifically, the temperature sensor 4 set on the connecting pipe 305 reads a temperature value greater than t4, which means that the temperature of the cooling water circulating in the heat dissipation water tank 302 is too high and needs to be cooled. Then the control module 1 controls the fan 301 in the heat dissipation mechanism 3 to continue working, controls the water pump 304 to increase the water pumping power, and increases the water flow rate of the cooling water in the connecting pipe 305. At the same time, the two connecting solenoid valves 306 are opened, and the return solenoid valve 307 is closed, so that the cooling water in the water flow part and the water storage part in the water storage tank 303 can participate in the heat dissipation work of the heat dissipation water tank 302 to cool the generator set 2. The heat generated by the generator set 2 is brought out by the pressurization of the water pump 304 and the overall increase of the circulating cooling water.

[0076] S2a-2b also includes the following steps:

[0077] S2a-2b1: After the cooling water is replaced, the temperature sensor 4 and the timing module 5 recalculate the cooling time of the generator set 2. If it is s1, it is a normal rate and normal power generation can be carried out. If it is s2, it is an abnormal rate and it needs to be shut down for maintenance:

[0078] Specifically, after the water pump 304 pressurizes and the amount of cooling water increases, the temperature sensor 4 and the timing module 5 restart to calculate the time for the temperature of the generator set 2 to drop from t2 to t1. If the rate fed back by the timing module 5 is s1, it is a normal cooling rate, which means that the generator set 2 has achieved good heat dissipation conditions through its own efficiency reduction, cooling of the heat dissipation mechanism 3 and the increase of cooling water. The water pump 304 and the cooling fan 301 can be turned off, and the two connecting solenoid valves 306 are kept closed again, and the return solenoid valve 307 is opened, so that the entire return pipeline is restored to its original state, and the cooling water in the water storage tank 303 has sufficient time to cool;

[0079] S2a-2b2: After the water pump 304 pressurizes and the amount of cooling water increases, the temperature sensor 4 and the timing module 5 restart calculating the time for the temperature of the generator set 2 to drop from t2 to t1. If the feedback rate of the timing module 5 is s2, it means that the heat of the generator set 2 cannot be dissipated by external means. At this time, the generator set 2 shuts down and reports a fault, reminding the staff to perform repairs and maintenance.

[0080] The overall control system refers to the temperature of the generator set 2, and then controls the heat dissipation mechanism 3 of the control module 1 to adopt different cooling measures. The cooling measures are more integrated and can also control the cooling of multiple groups of generator sets 2.

[0081] Example 3

[0082] By the power generation of a single generator set 2 in the embodiment 2 decreasing during the cooling process, the control module 1 receives the information of the power generation of a single generator set 2 decreasing, and can increase the power generation of the remaining generator sets 2 to ensure the overall power generation efficiency, specifically:

[0083] When a single generator set 2 is in the process of cooling, the control module 1 reduces the power of the generator set 2 in the process of cooling while controlling the remaining generator sets 2 to increase the power, and the magnitude of the increased power cannot make the feedback value of the temperature sensor 4 on the remaining generator sets 2 cannot exceed the range set by t1, so as to avoid the power of the remaining generator sets 2 being reduced due to the temperature increase caused by load operation.

[0084] By integrated control of multiple generator sets 2, the power of the normally operating generator sets 2 is controlled, and the power loss caused by the shut down generator sets 2 is reduced by increasing the working power of the non-shut down generator sets 2.

[0085] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0086] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A control system for a SCADA central control room, comprising a control module (1) and a plurality of generator sets (2), characterized in that: Each generator set (2) is provided with a heat dissipation mechanism (3), a temperature sensor (4) and a timing module (5); The heat dissipation mechanism (3) comprises a fan (301), a heat dissipation water tank (302), a water storage tank (303), a water pump (304), a connecting pipe (305), a connecting solenoid valve (306), a reflux solenoid valve (307) and a water exchange pipe (308); The heat dissipation water tank (302) is fixedly connected to the outer wall of each generator set (2); the fan (301) is fixedly connected to one side of the heat dissipation water tank (302); the water storage tank (303) is a spliced ​​water storage tank, a partition is provided in the middle, a return solenoid valve (307) is provided at the bottom of the partition, and cooling water is contained in the water storage tank (303); The number of the water pumps (304) and the connecting pipes (305) is two, and the two water pumps (304) are arranged in the middle sections of the two connecting pipes (305), and the two connecting pipes (305) constitute a water inlet and a water return path for the heat dissipation water tank (302); One end of the water exchange pipe (308) is fixedly connected to the outer wall of the return water connection pipe (305), and the other end is fixedly connected to the water storage part in the water storage tank (303); The two water pumps (304) are divided into an inlet water pump and an outlet water pump, and there are two connecting solenoid valves (306). The two connecting solenoid valves (306) are respectively arranged at the end of the return water connection pipe (305) near the water storage tank (303) and the middle section of the water exchange pipe (308), and the water pump (304), the connecting solenoid valve (306) and the return solenoid valve (307) are all connected to the control module (1) for control.

2. The control system of a SCADA central control room according to claim 1, characterized in that: The control module (1) can control the generator set (2), and the control module (1) receives temperature data fed back by the temperature sensor (4). The control module (1) controls the generator set (2) and the heat dissipation mechanism (3) through the temperature data fed back by the temperature sensor (4).

3. The control system of a SCADA central control room according to claim 2, characterized in that: The control module (1) controls the generator set (2) and the heat dissipation mechanism (3) as follows through the temperature data fed back by the temperature sensor (4): The control module (1) controls the plurality of generator sets (2) to start generating electricity, the temperature sensor (4) sets the temperature range to t1, t2, t3 and t4, t1 represents the normal working temperature of the generator set (2), t2 represents the high temperature of the generator set (2), t3 represents the shutdown temperature of the generator set, and t4 represents the water temperature in the water storage tank (303) is at a normal temperature; The timing module (5) cooperates with the temperature sensor (4) to record the temperature holding time periods t1, t2 and t3.

4. The control system of a SCADA central control room according to claim 3, characterized in that: If the temperature sensor (4) detects that the time from t1 to t2 or from t2 to t1 is short, the timing module (5) records it as s1; if the temperature sensor (4) detects that the time from t1 to t2 or from t2 to t1 is long, the timing module (5) records it as s2.

5. The control system of a SCADA central control room according to claim 3, characterized in that: The control module (1) controls the heat dissipation mechanism (3) and the generator set (2) by receiving data from the temperature sensor (4) and the timing module (5), specifically as follows: S1: When the temperature of the plurality of generator sets (2) rises during operation, if the temperature detected by the temperature sensor (4) is t1, the control module (1) does not send any command, the heat dissipation mechanism (3) and the timing module (5) do not operate, and the system remains in a standby state, and no cooling measures are taken on the generator sets (2); S2: When the temperature sensor (4) detects a temperature rise, the generator set (2) needs to reduce power and perform self-cooling on the generator set (2).

6. The control system of a SCADA central control room according to claim 5, characterized in that: The step S2 includes the following specific operation steps: S2a: When the temperature sensor (4) and the timing module (5) detect that the temperature t2 changes to t1 at a time s1, the generator set (2) can increase the speed and power to resume normal power generation; S2b: The temperature sensor (4) and the timing module (5) continuously monitor the generator set (2). After the generator set (2) reduces power and temperature, if the parameter monitored by the timing module (5) is s2, the heat dissipation mechanism (3) needs to be used to perform heat dissipation.

7. The control system of a SCADA central control room according to claim 5, characterized in that: The step S2a comprises: S2a-1: After the generator set (2) reduces its power, the temperature sensor (4) and the timing module (5) detect that the time from the temperature t2 changing to t1 is s1, and the generator set (2) increases its speed and power to resume normal power generation; S2a-2: The speed of the generator set (2) is reduced and the heat dissipation mechanism (3) is activated simultaneously. The timing module (5) detects that the time when the temperature t2 fed back by the temperature sensor (4) changes to t1 is s2. At this time, the control module (1) controls the heat dissipation mechanism (3) or shuts it down based on the temperature of the temperature sensor (4).

8. The control system of a SCADA central control room according to claim 5, characterized in that: The step S2a-2 comprises: S2a-2a: The temperature sensor (4) disposed on the connecting pipe (305) reads a temperature value less than or equal to t4, at which time the generator set (2) stops and reports a fault, reminding the staff to carry out repair and maintenance; S2a-2b: When the temperature sensor (4) detects that the temperature parameter of the return water in the connecting pipe (305) is greater than t4, it is necessary to increase the cooling water flow rate of the water storage tank (303) in the heat dissipation mechanism (3).

9. The control system of a SCADA central control room according to claim 7, characterized in that: The steps S2a-2b include: S2a-2b1: After the water pump (304) increases the pressure and the cooling water volume increases, the temperature sensor (4) and the timing module (5) recalculate the cooling time of the generator set (2) to s1, and normal power generation can be carried out; S2a-2b2: After the water pump (304) increases the pressure and the cooling water volume increases, the temperature sensor (4) and the timing module (5) restart calculating the time for the temperature of the generator set (2) to drop from t2 to t1. If the feedback rate of the timing module (5) is s2, the generator set (2) stops and reports a fault, reminding the staff to carry out repair and maintenance.

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