A distributed hydropower station control system based on the Internet of Things

Abstract

The invention discloses a distributed hydropower station control system based on the Internet of Things, which relates to the technical field of hydropower generation, and comprises a main control center, wherein the main control center is communicatively connected with a database, a monitoring module, a processing module and a feedback module; the database is used to store power station information and hydropower information, and the database is provided with a power station information sub-library and a hydropower information sub-library; the monitoring module is used to monitor the hydropower information, and the monitoring module is provided with a first monitoring unit and a second monitoring unit; the processing module is used to regulate the hydropower station and dispatch the surplus electricity, and the processing module is provided with a first processing unit and a second processing unit; the feedback module is used to feed back various information and various signals, and the feedback module is provided with a first feedback unit and a second feedback unit; through the technical scheme of the invention, both the flexible use of hydropower resources and the stable power generation of the hydropower station can be realized.

Description

Technical Field

[0001] The present invention relates to the technical field of hydropower generation, and in particular to a distributed hydropower station control system based on the Internet of Things. Background Art

[0002] A distributed hydropower station refers to a system consisting of multiple small hydropower stations distributed in different locations. It is flexibly dispatched through network control and monitoring, making it a hydropower generation method with higher energy efficiency, lower operating costs and less environmental impact. For a long time, small hydropower stations have always been plagued by the phenomenon of "focusing on construction and neglecting management". With the transformation of traditional water conservancy to resource water conservancy, how to strengthen the management of small hydropower stations and maximize the power generation efficiency and benefits of small hydropower stations has gradually become an important research direction for the development of green hydropower. In the existing technology, the power generation management of hydropower stations lacks flexibility and cannot be adjusted in time according to the recent rainfall, resulting in a waste of water resources, resulting in low power generation efficiency and benefits, and unable to meet the electricity needs of users. In view of the shortcomings of the existing technology, the present invention provides a distributed hydropower station control system based on the Internet of Things. Summary of the invention

[0003] The purpose of the present invention is to provide a distributed hydropower station control system based on the Internet of Things.

[0004] The object of the present invention can be achieved by the following technical solutions: A distributed hydropower station control system based on the Internet of Things, comprising a main control center, wherein the main control center is communicatively connected to a database, a monitoring module, a processing module, and a feedback module;

[0005] The database is used to store power station information and hydropower information. The database is provided with a power station information sub-library and a hydropower information sub-library. The power station information sub-library is used to store power station information, and the hydropower information sub-library is used to store hydropower information.

[0006] The monitoring module is used to monitor water and electricity information. The monitoring module is provided with a first monitoring unit and a second monitoring unit. The first monitoring unit is used to monitor water power information, and the second monitoring unit is used to monitor power information.

[0007] The processing module is used to regulate the hydropower station and dispatch the excess electricity. The processing module is provided with a first processing unit and a second processing unit. The first processing unit is used to regulate the hydropower station, and the second processing unit is used to dispatch the excess electricity.

[0008] The feedback module is used to provide feedback on various information and various signals. The feedback module is provided with a first feedback unit and a second feedback unit. The first feedback unit is used to provide feedback on various information, and the second feedback unit is used to provide feedback on various signals.

[0009] Furthermore, the specific process of storing the power station information in the power station information sub-library includes:

[0010] An input unit is provided to input basic information of the distributed hydropower station through the input unit, the collected basic information of the distributed hydropower station is reviewed by the main control center, and the basic information of the distributed hydropower station that passes the review is uploaded to the power station information sub-database for storage;

[0011] Furthermore, the specific process of storing the hydropower information in the hydropower information sub-library includes:

[0012] Setting a classification unit, classifying the received water and electricity information through the classification unit, reviewing the classified water and electricity information through the main control center, and uploading the reviewed water and electricity information to the water and electricity information sub-database for storage;

[0013] Furthermore, the specific process of the first monitoring unit monitoring the hydraulic information includes:

[0014] Set monitoring period;

[0015] A water level monitoring unit, a flow rate monitoring unit, and a flow rate monitoring unit are provided to monitor the water level, flow rate, and flow rate in the most recent monitoring cycle through the water level monitoring unit, the flow rate monitoring unit, and the flow rate monitoring unit, and the monitored water level, flow rate, and flow rate are sent to the classification unit;

[0016] The monitored water level, flow rate and flow rate are marked as S respectively. a , S b , S c , and set the water level standard a, flow rate standard b, and flow rate standard c respectively;

[0017] When S a When <a, the current water level is marked as normal;

[0018] When S a When ≥a, the current water level is marked as an abnormal state, and a water level alarm signal is sent to the second feedback unit;

[0019] When S b <b and S c When <c, the current water area is marked as normal;

[0020] When S b ≥b and Sc When ≥c, the current water area is marked as abnormal and a water area alarm signal is sent to the second feedback unit;

[0021] When S b ≥b and S c When the velocity is less than c, the current water area is marked as a warning state, and a flow rate warning signal is sent to the second feedback unit;

[0022] When S b <b and S c When ≥c, the current water area is marked as a warning state, and a flow warning signal is sent to the second feedback unit;

[0023] Furthermore, the specific process of the second monitoring unit monitoring the power information includes:

[0024] According to the water level and flow obtained in the most recent monitoring cycle, the theoretical power generation power P of the hydropower station in the most recent monitoring cycle is obtained. 理 ;

[0025] A power generation monitoring unit is provided to monitor the voltage and current in the most recent monitoring cycle, and the monitored voltage and current are sent to the classification unit to obtain the actual power generation power P of the hydropower station in the most recent monitoring cycle. 实 ;

[0026] Set the power threshold P0;

[0027] When |P 实 -P 理 When |≤P0, the current power generation is marked as normal;

[0028] When |P 实 -P 理 |>P0, the obtained theoretical power generation is compared with the actual power generation;

[0029] If P 理 >P 实 , the current power generation is marked as an abnormal state, and an actual abnormal signal is sent to the second feedback unit;

[0030] If P 实 >P 理 , the current power generation is marked as an abnormal state, and a theoretical abnormal signal is sent to the second feedback unit;

[0031] A motor monitoring unit is provided, through which the speed, temperature and amplitude of the generator set in a most recent monitoring period are monitored, and the monitored speed, temperature and amplitude are sent to the classification unit;

[0032] Obtain the current operating level Y of the generator set and set the operating threshold Y0;

[0033] When Y≤Y0, the current generator set is marked as normal;

[0034] When Y>Y0, the current generator set is marked as abnormal, and a motor abnormality signal is sent to the second feedback unit;

[0035] Furthermore, the specific process of the first processing unit regulating the hydropower station includes:

[0036] Get the rainfall J in the most recent monitoring period;

[0037] Setting a first rainfall threshold J1 and a second rainfall threshold J2, wherein the first rainfall threshold J1 is less than the second rainfall threshold J2;

[0038] When J<J1, no operation is performed on it;

[0039] When J1≤J<J2, increase the power generation;

[0040] When J ≥ J2, the power generation is increased and the flood discharge outlet is opened at the same time;

[0041] Set the processing cycle;

[0042] The rainfall index J of the rainfall in different treatment periods is obtained zi , and evaluate its changes to obtain the coefficient of variation J of rainfall bi ;

[0043] Set the change threshold B;

[0044] When |J bi -J bi-1 When |≤B, no operation is performed on it;

[0045] When |J bi -J bi-1 |>B, J zi With J zi-1 Parameter values ​​are compared;

[0046] When J zi >J zi-1 When the water level is too low, lower the water level in advance;

[0047] When J zi <J zi-1 When the water level rises,

[0048] Furthermore, the specific process of the second processing unit scheduling the excess power includes:

[0049] Take each hydropower station and the area it supplies power as a whole and obtain the power consumption D of each area in the most recent monitoring period. 用 , obtain the power generation D of each hydropower station in the most recent monitoring period 发 ;

[0050] When D 用 =D 发 When it is displayed, no operation is performed on it;

[0051] When D 用 <D 发 When , the area is marked as remaining power state;

[0052] When D 用 >D 发 When , the area is marked as under-powered;

[0053] For areas that are under-powered, the amount of power under-powered in the area is obtained, and according to the geographical location of each hydropower station, the nearest area with surplus power is selected to dispatch it;

[0054] Furthermore, the specific process of the first feedback unit feeding back various information includes:

[0055] The first feedback unit is connected to a display device, and the obtained information is displayed one by one through the display device for staff to view;

[0056] Furthermore, the specific process of the second feedback unit feeding back each signal includes:

[0057] When the second feedback unit receives the water level alarm signal, water area alarm signal, flow rate warning signal, and flow rate warning signal, it sends them to the staff end, and the staff performs corresponding processing on the hydraulic aspects according to different signals;

[0058] When the second feedback unit receives the actual abnormal signal, the theoretical abnormal signal, and the motor abnormal signal, it sends them to the staff end, and the staff performs corresponding processing on the power according to different signals.

[0059] Compared with the prior art, the beneficial effects of the present invention are: by monitoring various hydraulic information, the current hydraulic state can be accurately grasped, which helps the staff to deal with it in time; by obtaining the theoretical power generation and the actual power generation and comparing the two, it helps to find abnormal power generation in time and judge the abnormal cause;

[0060] Adjusting the power generation of the hydropower station according to the current rainfall can realize the flexible use of water resources. By predicting the rainfall in the next stage and adjusting the water level in advance, the stable power generation of the hydropower station can be achieved. Constructing the corresponding relationship function between water level and rainfall according to the available water storage capacity is conducive to the precise regulation of water level. By obtaining and judging the power consumption and power generation in different areas, it is conducive to the flexible scheduling of excess electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] Figure 1 It is a schematic diagram of the present invention. DETAILED DESCRIPTION

[0062] like Figure 1 As shown, a distributed hydropower station control system based on the Internet of Things includes a main control center, and the main control center is communicatively connected to a database, a monitoring module, a processing module, and a feedback module;

[0063] The database is used to store power station information and hydropower information. The database is provided with a power station information sub-library and a hydropower information sub-library. The power station information sub-library is used to store power station information, and the hydropower information sub-library is used to store hydropower information.

[0064] It should be further explained that, in the specific implementation process, the specific process of the power station information sub-library storing the power station information includes:

[0065] An input unit is provided, and basic information of the distributed hydropower station is input through the input unit, the collected basic information of the distributed hydropower station is reviewed by the main control center, and the basic information of the distributed hydropower station that passes the review is uploaded to the power station information sub-database for storage; it should be further explained that, in the specific implementation process, the basic information of the distributed hydropower station includes but is not limited to the number of distributed hydropower stations included in the system, the geographical location of each distributed hydropower station, the scale of the generator set inside each distributed hydropower station, the list of personnel for operation and maintenance of the system, and the contact information of the staff;

[0066] The specific process of storing hydropower information in the hydropower information sub-database includes:

[0067] A classification unit is set, and the received water and electricity information is classified by the classification unit, and the classified water and electricity information is reviewed by the main control center, and the reviewed water and electricity information is uploaded to the water and electricity information sub-database for storage; it should be further explained that in the specific implementation process, the classification includes two methods, one is classification according to the time received, and the other is classification according to the monitored type;

[0068] The monitoring module is used to monitor water and electricity information. The monitoring module is provided with a first monitoring unit and a second monitoring unit. The first monitoring unit is used to monitor water power information, and the second monitoring unit is used to monitor power information.

[0069] It should be further explained that, in the specific implementation process, the specific process of the first monitoring unit monitoring the hydraulic information includes:

[0070] Set the monitoring period T;

[0071] A water level monitoring unit is provided, the water level in the most recent monitoring cycle is monitored by the water level monitoring unit, and the monitored water level is sent to the classification unit;

[0072] A flow rate monitoring unit is provided, through which the flow rate monitoring unit is used to monitor the flow rate in a most recent monitoring period, and the monitored flow rate is sent to the classification unit;

[0073] A flow monitoring unit is provided, through which the flow monitoring unit is used to monitor the flow in a most recent monitoring period, and the monitored flow is sent to the classification unit;

[0074] The monitored water level, flow rate and flow rate are marked as S respectively. a , S b , S c , and set the water level standard a, flow rate standard b, and flow rate standard c respectively;

[0075] When S a When ≥a, the current water level is marked as an abnormal state, and a water level alarm signal is sent to the second feedback unit;

[0076] When S a When < a, the current water level is marked as normal and no operation is performed on it;

[0077] When S b ≥b and S c When ≥c, the current water area is marked as abnormal and a water area alarm signal is sent to the second feedback unit;

[0078] When S b ≥b and S c When the velocity is less than c, the current water area is marked as a warning state, and a flow rate warning signal is sent to the second feedback unit;

[0079] When S b <b and S c When ≥c, the current water area is marked as a warning state, and a flow warning signal is sent to the second feedback unit;

[0080] When S b <b and Sc When <c, the current water area is marked as normal and no operation is performed on it;

[0081] The specific process of the second monitoring unit monitoring the power information includes:

[0082] According to the water level and flow rate obtained in the most recent monitoring cycle, the theoretical power generation of the hydropower station in the most recent monitoring cycle is obtained, and the obtained theoretical power generation is marked as P 理 ;

[0083] P 理 =K×S a ×S c ;

[0084] Among them, K is the comprehensive treatment coefficient;

[0085] A power generation monitoring unit is provided, through which the voltage and current in a most recent monitoring cycle are monitored, and the monitored voltage and current are sent to the classification unit;

[0086] The obtained voltage and current are marked as U 实 and I 实 , obtain the actual power generation of the hydropower station in the most recent monitoring period, and mark the actual power generation obtained as P 实 ;

[0087] P 实 =U 实 ×I 实 ;

[0088] Set the power threshold P0;

[0089] When |P 实 -P 理 |>P0, the obtained theoretical power generation is compared with the actual power generation;

[0090] If P 理 >P 实 , the current power generation is marked as an abnormal state, and an actual abnormal signal is sent to the second feedback unit;

[0091] If P 实 >P 理 , the current power generation is marked as an abnormal state, and a theoretical abnormal signal is sent to the second feedback unit;

[0092] When |P 实 -P 理 When |≤P0, the current power generation is marked as normal and no operation is performed on it;

[0093] A motor monitoring unit is provided, through which the speed, temperature and amplitude of the generator set in a most recent monitoring period are monitored, and the monitored speed, temperature and amplitude are sent to the classification unit;

[0094] The monitored speed, temperature and amplitude are marked as D e , D f , D g , and set the speed weight e, temperature weight f, and amplitude weight g respectively;

[0095] Obtain the current operating degree of the generator set, and mark the obtained operating degree as Y;

[0096] Y=eD e +fD f +gD g ;

[0097] Set the operation threshold Y0;

[0098] When Y≤Y0, the current generator set is marked as normal and no operation is performed on it;

[0099] When Y>Y0, the current generator set is marked as abnormal, and a motor abnormality signal is sent to the second feedback unit;

[0100] The processing module is used to regulate the hydropower station and dispatch the excess electricity. The processing module is provided with a first processing unit and a second processing unit. The first processing unit is used to regulate the hydropower station, and the second processing unit is used to dispatch the excess electricity.

[0101] It should be further explained that, in the specific implementation process, the specific process of the first processing unit regulating the hydropower station includes:

[0102] Obtain the rainfall in the most recent monitoring period and mark the obtained rainfall as J;

[0103] Setting a first rainfall threshold J1 and a second rainfall threshold J2, wherein the first rainfall threshold J1 is less than the second rainfall threshold J2;

[0104] When J<J1, no operation is performed on it;

[0105] When J1≤J<J2, increase the power generation;

[0106] When J ≥ J2, the power generation is increased and the flood discharge outlet is opened at the same time;

[0107] Set a processing cycle, mark the processing cycle, and record it as i, where i=1, 2, ..., n. It should be further explained that in the specific implementation process, i represents the current processing cycle, and i-1 represents the previous processing cycle;

[0108] The rainfall obtained in the treatment period marked as i is recorded as J i , obtain the rainfall index of the rainfall, and record the obtained rainfall index as J zi , evaluate its change, obtain the coefficient of variation of rainfall, and record the obtained coefficient of variation as J bi ;

[0109]

[0110]

[0111] Set the change threshold B;

[0112] When |J bi -J bi-1 When |≤B, no operation is performed on it;

[0113] When |J bi -J bi-1 |>B, J zi With J zi-1 Parameter values ​​are compared;

[0114] When J zi >J zi-1 When the water level is too low, lower the water level in advance;

[0115] When J zi <J zi-1 When the water level rises,

[0116] Obtain the normal water storage capacity and maximum water storage capacity of the hydropower station, and mark the obtained normal water storage capacity and maximum water storage capacity as C respectively. 常 and C 最 , obtain the available water storage capacity of the hydropower station, and mark the obtained available water storage capacity as C 可 ;

[0117] C 可 =C 最 -C 常 ;

[0118] According to the available water storage and the rainfall in the most recent monitoring period, the one-to-one correspondence between water level and rainfall is obtained, and the corresponding relationship function S between water level and rainfall is constructed. a = f(J), and adjust the water level based on the obtained corresponding relationship function;

[0119] The specific process of the second processing unit scheduling the excess power includes:

[0120] Take each hydropower station and the area it supplies power as a whole, obtain the power consumption of each area in the most recent monitoring cycle, and mark the obtained power consumption as D 用 At the same time, the power generation of each hydropower station in the most recent monitoring period is obtained, and the obtained power generation is marked as D 发 ;

[0121] When D 用 =D 发 When it is displayed, no operation is performed on it;

[0122] When D 用 <D 发 When , the area is marked as remaining power state;

[0123] When D 用 >D 发 When , the area is marked as under-powered;

[0124] For a region in a power-deficient state, obtain the power-deficient amount of the region, and mark the obtained power-deficient amount as D 欠 ;

[0125] D 欠 =D 用 -D 发 ;

[0126] According to the geographical location of each hydropower station, the nearest area with surplus power is selected for dispatch;

[0127] The feedback module is used to provide feedback on various information and various signals. The feedback module is provided with a first feedback unit and a second feedback unit. The first feedback unit is used to provide feedback on various information, and the second feedback unit is used to provide feedback on various signals.

[0128] It should be further explained that, in the specific implementation process, the specific process of the first feedback unit feeding back various information includes:

[0129] The first feedback unit is connected to a display device, through which the various pieces of information obtained are displayed one by one for staff to view; it should be further explained that in the specific implementation process, the various pieces of information include power station information, hydropower information, and regional information;

[0130] The specific process of the second feedback unit feeding back various signals includes:

[0131] When the second feedback unit receives the water level alarm signal, water area alarm signal, flow rate warning signal, and flow rate warning signal, it sends them to the staff end, and the staff performs corresponding processing on the hydraulic aspects according to different signals;

[0132] When the second feedback unit receives the actual abnormal signal, the theoretical abnormal signal, and the motor abnormal signal, it sends them to the staff end, and the staff performs corresponding processing on the power according to different signals.

[0133] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A distributed hydropower station control system based on the Internet of Things, including a main control center, characterized in that: The main control center is communicatively connected with a database, a monitoring module, a processing module, and a feedback module; The database is provided with a power station information sub-library and a hydropower information sub-library, wherein the power station information sub-library is used to store power station information, and the hydropower information sub-library is used to store hydropower information; The monitoring module is provided with a first monitoring unit and a second monitoring unit, the first monitoring unit is used to monitor hydraulic information, and the second monitoring unit is used to monitor electric power information; The processing module is provided with a first processing unit and a second processing unit, wherein the first processing unit is used to regulate the hydropower station, and the second processing unit is used to dispatch excess electricity; The process of regulating the hydropower station by the first processing unit includes: Get the rainfall J in the most recent monitoring period; Setting a first rainfall threshold J1 and a second rainfall threshold J2, wherein the first rainfall threshold J1 is less than the second rainfall threshold J2; When J<J1, no operation is performed on it; When J1≤J<J2, increase the power generation; When J ≥ J2, the power generation is increased and the flood discharge outlet is opened at the same time; Set the processing cycle; The rainfall index J of the rainfall in different treatment periods is obtained zi , and evaluate its changes to obtain the coefficient of variation J of rainfall bi ; Set the change threshold B; When |J bi -J bi-1 When |≤B, no operation is performed on it; When |J bi -J bi-1 |>B, J zi With J zi-1 Parameter values ​​are compared; When J zi >J zi-1 When the water level is too low, lower the water level in advance; When J zi <J zi-1 When the water level rises, The process of the second processing unit scheduling the excess power includes: Taking each hydropower station and the area it supplies power as a whole, the power consumption D of each area in the most recent monitoring cycle is obtained. 用 , obtain the power generation D of each hydropower station in the most recent monitoring period 发 ; When D 用 =D 发 When it is displayed, no operation is performed on it; When D 用 <D 发 When , the area is marked as remaining power state; When D 用 >D 发 When , the area is marked as under-powered; For areas that are under-powered, the amount of power under-powered in the area is obtained, and according to the geographical location of each hydropower station, the nearest area with surplus power is selected to dispatch it; The feedback module is provided with a first feedback unit and a second feedback unit. The first feedback unit is used to provide feedback on various information, and the second feedback unit is used to provide feedback on various signals.

2. A distributed hydropower station control system based on the Internet of Things according to claim 1, characterized in that: The process of storing power station information in the power station information sub-library includes: An input unit is provided, through which basic information of the distributed hydropower station is input, and the input basic information of the distributed hydropower station is uploaded to the power station information sub-library for storage.

3. A distributed hydropower station control system based on the Internet of Things according to claim 1, characterized in that: The process of storing the hydropower information in the hydropower information sub-database includes: A classification unit is provided, through which the received water and electricity information is classified, and the classified water and electricity information is uploaded to the water and electricity information sub-library for storage.

4. A distributed hydropower station control system based on the Internet of Things according to claim 3, characterized in that: The process of the first monitoring unit monitoring hydraulic information includes: Set monitoring period; Set up a water level monitoring unit, a flow rate monitoring unit, and a flow rate monitoring unit to obtain the water level S in the most recent monitoring cycle. a , flow rate S b Flow S c and send the obtained water level, flow velocity and flow rate to the classification unit; Set water level standard a, flow rate standard b, and flow rate standard c; When S a When <a, the current water level is marked as normal; When S a When ≥a, the current water level is marked as an abnormal state, and a water level alarm signal is sent to the second feedback unit; When S b <b and S c When <c, the current water area is marked as normal; When S b ≥b and S c When ≥c, the current water area is marked as abnormal and a water area alarm signal is sent to the second feedback unit; When S b ≥b and S c When the velocity is less than c, the current water area is marked as a warning state, and a flow rate warning signal is sent to the second feedback unit; When S b <b and S c When ≥c, the current water area is marked as a warning state, and a flow warning signal is sent to the second feedback unit.

5. A distributed hydropower station control system based on the Internet of Things according to claim 4, characterized in that: The process of the second monitoring unit monitoring the power information includes: According to the water level and flow obtained in the most recent monitoring cycle, the theoretical power generation power P of the hydropower station in the most recent monitoring cycle is obtained. 理 ; A power generation monitoring unit is set up to obtain the voltage and current in the most recent monitoring cycle, and the obtained voltage and current are sent to the classification unit to obtain the actual power generation power P of the hydropower station in the most recent monitoring cycle. 实 ; Set the power threshold P0; When |P 实 -P 理 When |≤P0, the current power generation is marked as normal; When |P 实 -P 理 |>P0, the obtained theoretical power generation is compared with the actual power generation; If P 理 >P 实 , the current power generation is marked as an abnormal state, and an actual abnormal signal is sent to the second feedback unit; If P 实 >P 理 , the current power generation is marked as an abnormal state, and a theoretical abnormal signal is sent to the second feedback unit; Setting a motor monitoring unit to obtain the speed, temperature and amplitude of the generator set in the most recent monitoring period, and sending the obtained speed, temperature and amplitude to the classification unit; Obtain the current operating level Y of the generator set and set the operating threshold Y0; When Y≤Y0, the current generator set is marked as normal; When Y>Y0, the current generator set is marked as an abnormal state, and a motor abnormality signal is sent to the second feedback unit.

6. A distributed hydropower station control system based on the Internet of Things according to claim 5, characterized in that: The process of the first feedback unit feeding back various information includes: The first feedback unit is connected to a display device, and the obtained information is displayed one by one through the display device for staff to view.

7. A distributed hydropower station control system based on the Internet of Things according to claim 6, characterized in that: The process of the second feedback unit feeding back various signals includes: When the second feedback unit receives the corresponding early warning signal or alarm signal, it sends it to the staff end, and the staff performs corresponding processing on the hydraulic aspects according to different early warning signals or alarm signals; When the second feedback unit receives the corresponding abnormal signal, it sends it to the staff end, and the staff performs corresponding processing on the power according to different abnormal signals.

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