CN115177893B - Control method of main transformer oil discharge nitrogen charging fire fighting device - Google Patents
Control method of main transformer oil discharge nitrogen charging fire fighting device Download PDFInfo
- Publication number
- CN115177893B CN115177893B CN202210690954.4A CN202210690954A CN115177893B CN 115177893 B CN115177893 B CN 115177893B CN 202210690954 A CN202210690954 A CN 202210690954A CN 115177893 B CN115177893 B CN 115177893B
- Authority
- CN
- China
- Prior art keywords
- time
- real
- environment
- speed
- standard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a control method of a main transformer oil discharging and nitrogen charging fire extinguishing device, which belongs to the field of electric power and is used for solving the problem of poor reliability of a control system of the existing main transformer oil discharging and nitrogen charging fire extinguishing device.
Description
Technical Field
The invention belongs to the field of electric power, relates to a fire extinguishing control technology, and particularly relates to a control method of a main transformer oil discharging and nitrogen charging fire fighting device.
Background
Electric power is an energy source using electric energy as power. The discovery and application of electric power has raised the second industrialized climax, and is one of three technological revolution which occur in the world, and the science and technology has changed the lives of people. Large-scale power systems are one of the most important achievements in the history of human engineering science, and are power generation and consumption systems consisting of links such as power generation, power transmission, power transformation, power distribution, power utilization and the like. It converts the primary energy of nature into electric power by mechanical energy device, and then supplies the electric power to each user through power transmission, transformation and distribution.
In the prior art, a main transformer oil discharging and nitrogen injecting fire extinguishing apparatus control system is a large number of electromagnetic relays to realize logic judgment and outlet action functions in a combined mode, due to the fact that electromagnetic relay manufacturers are numerous, control management difficulty is high, interference resistance is weak, multiple misoperation events caused by relay faults occur, and transformer fault tripping is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a control method of a main transformer oil discharge nitrogen charging fire-fighting device.
The technical problem to be solved by the invention is as follows:
how to improve the reliability of the control method of the main transformer oil discharge and nitrogen charging fire fighting device based on multiple factors.
The purpose of the invention can be realized by the following technical scheme:
a control method of a main transformer oil discharging and nitrogen charging fire fighting device comprises a case, wherein the case is connected with a server, the server is connected with an alarm and a plurality of workstations, the server is further connected with a fire extinguishing terminal, a user terminal, a data acquisition module, a data matching module, an environment monitoring module, a safety judgment module, an operation monitoring module and a fire extinguishing analysis module, the user terminal is used for inputting the model of a transformer in the workstation by electric power workers and sending the model to the server, the server sends the model to the data matching module, the data matching module obtains standard electrical parameters corresponding to the transformer in the workstation according to model matching and sends the standard electrical parameters to the server, and the server sends the standard electrical parameters to the environment monitoring module and the operation monitoring module; the data acquisition module is used for acquiring operation data of the transformers in the plurality of workstations in a monitoring time period and environment data of the locations of the transformers and sending the operation data and the environment data to the server, and the server sends the operation data to the operation monitoring module and sends the environment data to the environment monitoring module;
the environment monitoring module is used for monitoring the working environment of the transformer in the workstation, generating an environment abnormal signal, an environment detection signal or an environment normal signal and feeding the environment abnormal signal, the environment detection signal or the environment normal signal back to the server; the operation monitoring module is used for monitoring the operation state of the transformer in the workstation, generating an abnormal operation signal, a normal operation signal or an operation detection signal and feeding back the abnormal operation signal, the normal operation signal or the operation detection signal to the server; the safety judgment module is used for judging the safety condition of the transformer in the workstation in the monitoring period, and generating a safety normal signal or a safety abnormal signal to be fed back to the server;
the data acquisition module is also used for acquiring external pictures and internal pictures of a transformer in the workstation and sending the external pictures and the internal pictures to the server, the server sends the external pictures and the internal pictures to the fire extinguishing analysis module, the fire extinguishing analysis module is used for carrying out fire extinguishing analysis on safety abnormal instructions, environmental abnormal instructions or operation abnormal instructions, generating fire extinguishing starting signals and feeding the fire extinguishing starting signals back to the server or not carrying out any operation, the server sends the fire extinguishing starting signals to the fire extinguishing terminal, the fire extinguishing terminal carries out fire extinguishing work after reaching fire extinguishing conditions, and meanwhile the alarm gives out alarm sound.
Further, the standard electrical parameters comprise a standard operation voltage value, a standard operation temperature value, a standard operation voltage change rate, a standard operation temperature change rate, a standard environment temperature value, a standard environment humidity value, a standard environment temperature change rate and a standard environment humidity change rate;
the operation data are real-time operation voltage values and real-time operation temperature values of transformers in the workstation;
the environment data is a real-time environment temperature value and a real-time environment humidity value;
the flame colors include: dark red, orange, yellow, bluish white, and white.
Further, the monitoring process of the environment monitoring module is specifically as follows:
step S1: marking the transformers in the workstation as u, u =1,2, … …, z, z being positive integers; setting a plurality of time points Ttu in a monitoring time period, wherein t =1,2, … …, x and x are positive integers, and t represents the number of the time points;
step S2: acquiring a real-time environment temperature value and a real-time environment humidity value of a transformer in a workstation at any time point;
if the real-time environment temperature value at any time point is greater than or equal to the standard environment temperature value or the real-time environment humidity value at any time point is greater than or equal to the standard environment humidity value, generating an environment abnormal signal;
if the real-time environment temperature value at any time point is smaller than the standard environment temperature value and the real-time environment humidity value at any time point is smaller than the standard environment humidity value, entering the next step;
and step S3: calculating the real-time environment temperature change rate of the transformer in the workstation at the adjacent time points, and adding and averaging the real-time environment temperature change rates at all the adjacent time points to obtain the real-time environment temperature change average speed SHWSu of the transformer in the workstation in the monitoring time period, which is specifically as follows:
acquiring a real-time environment temperature change rate SHWST1u at a time point T1u and a real-time environment temperature change rate SHWST2u at a time point T2u, and then obtaining a formula =
Calculating the real-time environment temperature change rate between the time point T1u and the time point T2u as SHWS1u;
similarly, the real-time ambient temperature change rate between the time point T2u and the time point T3u is SHWS2u, and so on, the real-time ambient temperature change rate SHWS1u, SHWS2u, … …, SHWS1u, SHWS2u, and so on x-1 u is added and summed to obtain an average value, and the real-time environment temperature change average speed SHWSu of the transformer in the workstation in a monitoring time period is obtained;
and step S4: similarly, calculating to obtain the real-time environment humidity change uniform speed SHSSu of the transformer in the workstation in the monitoring time period according to the steps S2 to S3;
step S5: comparing the real-time environmental temperature change average speed of the transformer in the workstation within a monitoring time period with the environmental temperature change standard speed, and comparing the real-time environmental humidity change average speed of the transformer in the workstation within the monitoring time period with the environmental humidity change standard speed;
step S6: if the real-time environment temperature change uniform speed is greater than or equal to the environment temperature change standard speed, and the real-time environment humidity change uniform speed is greater than or equal to the environment humidity change standard speed, generating an environment abnormal signal;
if the real-time environment temperature change uniform speed is smaller than the environment temperature change standard speed, and the real-time environment humidity change uniform speed is smaller than the environment humidity change standard speed, generating an environment normal signal;
if the real-time environmental temperature change uniform speed is larger than or equal to the environmental temperature change standard speed, and the real-time environmental humidity change uniform speed is smaller than the environmental humidity change standard speed, generating an environmental detection signal;
and if the real-time environment temperature change uniform speed is less than the environment temperature change standard speed and the real-time environment humidity change uniform speed is greater than or equal to the environment humidity change standard speed, generating an environment detection signal.
Further, if the server receives the environment normal signal, no operation is performed;
if the server receives the environment abnormal signal, an environment abnormal instruction is generated and loaded to the fire extinguishing analysis module;
and if the server receives the environment detection signal, loading the generated safety judgment instruction to a safety judgment module, and sending the real-time environment humidity change uniform speed SHSSu and the real-time environment temperature change speed SHWSu of the transformer in the workstation in the monitoring time period to the safety judgment module.
Further, the monitoring process of the operation monitoring module is specifically as follows;
step SS1: acquiring a real-time operation temperature value and a real-time operation voltage value of a transformer in a workstation at any time point;
step SS2: if the real-time operation temperature value at any time point is greater than or equal to the standard operation temperature value or the real-time operation voltage value at any time point is greater than or equal to the standard operation voltage value, generating an operation abnormal signal;
if the real-time operation temperature value at any time point is smaller than the standard operation temperature value and the real-time operation voltage value at any time point is smaller than the standard operation voltage value, entering the next step;
and step SS3: calculating the real-time operation voltage change rate of the transformer in the workstation at the adjacent time points, and adding the real-time operation voltage change rates at all the adjacent time points to obtain an average value to obtain the real-time operation voltage change average speed SYYSu of the transformer in the workstation in the monitoring time period, wherein the real-time operation voltage change average speed SYYSu is as follows:
obtaining a real-time operation voltage change rate SYYST1u at a time point T1u and a real-time operation voltage change rate SYYST2u at a time point T2u, and then obtaining a formula
Calculating the real-time operation voltage change rate between the time point T1u and the time point T2u as SYYS1u;
in the same way, whenThe real-time voltage temperature change rate between the time point T2u and the time point T3u is SYYS2u, and the like, the real-time operation voltage change rates SYYS1u, SYYS2u, … … and SYYS x-1 u is added and summed to obtain an average value, and the real-time voltage temperature change average speed SYYSu of the transformer in the workstation in the monitoring time period is obtained;
and step SS4: similarly, calculating to obtain a real-time running temperature change uniform speed SYWSu of the transformer in the workstation in the monitoring time period according to the steps SS2 to SS 3;
and step SS5: comparing the real-time operation voltage change uniform speed of the transformer in the workstation within a monitoring time period with the operation voltage change standard speed, and comparing the real-time operation temperature change uniform speed of the transformer in the workstation within the monitoring time period with the operation temperature change standard speed;
step SS6: if the real-time operation temperature change uniform speed is greater than or equal to the operation temperature change standard speed, and the real-time operation voltage change uniform speed is greater than or equal to the operation voltage change standard speed, generating an operation abnormal signal;
if the real-time operation temperature change averaging speed is smaller than the operation temperature change standard speed, and the real-time operation voltage change averaging speed is smaller than the operation voltage change standard speed, generating an operation normal signal;
if the real-time operation temperature change uniform speed is greater than or equal to the operation temperature change standard speed and the real-time operation voltage change uniform speed is less than the operation voltage change standard speed, generating an operation detection signal;
and if the real-time operation temperature change averaging speed is less than the operation temperature change standard speed, and the real-time operation voltage change averaging speed is greater than or equal to the operation voltage change standard speed, generating an operation detection signal.
Further, if the server receives a normal operation signal, no operation is performed;
if the server receives the abnormal operation signal, generating an abnormal operation instruction and loading the abnormal operation instruction to a fire extinguishing analysis module;
and if the server receives the operation detection signal, loading the generated safety judgment instruction to the safety judgment module, and sending the real-time operation temperature change uniform speed SYWSu and the real-time operation voltage change uniform speed SYYSu of the transformer in the workstation in the monitoring time period to the safety judgment module.
Further, the determination process of the safety determination module is specifically as follows:
step P1: acquiring a real-time environment humidity change uniform speed SHSSu, a real-time environment temperature change uniform speed SHWSu, a real-time operation temperature change uniform speed SYWSu and a real-time operation voltage change uniform speed SYYSu of a transformer in a workstation in a monitoring time period;
step P2: acquiring an operating voltage change standard rate BYSu, an operating temperature change standard rate BYSu, an environment temperature change standard rate BHWSu and an environment humidity change standard rate BHSSu corresponding to a transformer in a workstation;
step P3: calculating a difference value between the real-time environment humidity change average speed and the environment humidity change standard speed to obtain an environment humidity change speed deviation value HSSCu of the transformer in the workstation in a monitoring time period, and similarly, obtaining an environment temperature change speed deviation value HWSCu, an operation voltage change speed deviation value YYSCu and an operation temperature change speed deviation value YWSCu of the transformer in the workstation in the monitoring time period;
step P4: calculating a safety deviation value APu of the transformer in the workstation in the monitoring period by a formula APu = HSSCu × a1+ HWSCu × a2+ yscu × a3+ ywsccu × a 4; in the formula, a1, a2, a3 and a4 are all weight coefficients with fixed numerical values, and the values of a1, a2, a3 and a4 are all larger than zero;
step P5: if APu is less than X1, generating a safe normal signal;
if X1 is less than or equal to APu, generating a safety abnormal signal; wherein, X1 is a safety deviation threshold value, and the value of X1 is greater than zero.
Further, if the server receives the safe and normal signal, no operation is performed;
and if the server receives the safety abnormal signal, generating a safety abnormal instruction and loading the safety abnormal instruction to the fire extinguishing analysis module.
Further, the analysis process of the fire extinguishing analysis module is as follows:
step Q1: marking the internal pictures and the external pictures of the transformer in the workstation as identification pictures, marking the identification pictures as Tui, i =1,2, … …, wherein v and v are positive integers, and i represents the number of the identification pictures;
step Q2: acquiring the length and the width of the identification picture so as to obtain the number SLTui of the total pixel points in the identification picture;
and step Q3: traversing pixel points of flame colors in the identification picture, and comparing the number HSLTui of the pixel points of the flame colors with the number SLTui of the total pixel points to obtain the pixel point proportion HZTui of the flame colors;
step Q4: and when the pixel point proportion of the flame color is larger than a set threshold value, generating a fire extinguishing starting signal, otherwise, not carrying out any operation.
Further, the fire extinguishing starting conditions of the fire extinguishing terminal are as follows:
when the case is in an automatic putting-in mode, and a fire extinguishing soft pressure plate in the case is in an putting-in state, and simultaneously receives a signal of a fire detector 1, a signal of a fire detector 2, heavy gas and action information of tripping of switches on all sides, and when any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts an automatic fire extinguishing function and sends a signal for starting fire extinguishing;
otherwise, the fire extinguishing starting failure is signaled.
Compared with the prior art, the invention has the beneficial effects that:
the working environment of the transformer in the workstation is monitored through the environment monitoring module to monitor and generate an environment abnormal signal, an environment detection signal or an environment normal signal, the operation state of the transformer in the workstation is monitored through the operation monitoring module to generate an operation detection signal, the operation monitoring module judges the safety state of the transformer in the monitoring period through the safety judging module when the environment detection signal and the operation detection signal are generated, the safety normal signal or the safety abnormal signal is generated, if the safety abnormal signal is generated, the fire extinguishing analysis module is used for carrying out fire extinguishing analysis on different instructions to analyze and generate a fire extinguishing starting signal or not carry out any operation, the fire extinguishing starting signal is sent to the fire extinguishing terminal, and the fire extinguishing terminal can carry out fire extinguishing work after receiving the fire extinguishing starting signal and reaching the fire extinguishing condition.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic diagram of the fire extinguishing starting condition of the present invention;
fig. 3 is a block diagram of the system of the present invention.
In the figure: 10. a chassis; 20. an alarm; 30. a server; 40. a workstation.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, a control method of a main transformer oil discharge and nitrogen charge fire protection device includes a case 10, an alarm 20, a server 30, a fire extinguishing terminal and a plurality of workstations 40, wherein the alarm 20 is connected to the server 30, the case 10 is an integrated structure, the workstations 40 are connected to the server 30, and the fire extinguishing terminal is further connected to the server 30;
referring to fig. 3, it should be specifically described that the fire extinguishing starting conditions of the fire extinguishing terminal in the implementation are as follows: when the case 10 is in an automatic putting-in mode, and a fire extinguishing soft pressure plate in the case 10 is in an putting-in state, and meanwhile, the device receives a signal of a fire detector 1, a signal of a fire detector 2, heavy gas and action information of tripping of switches on all sides, and any one of a closing signal of an overhaul valve, a locking signal of an oil discharge valve and a locking signal of a nitrogen valve does not exist, the device starts an automatic fire extinguishing function and sends a signal for starting fire extinguishing; otherwise, a signal of fire extinguishing starting failure is sent out;
in particular implementation, the alarm 20 may be disposed in the case 10, and the case 10 may be built in the workstation 40;
as shown in fig. 3, the server 30 is connected to a user terminal, a data acquisition module, a data matching module, an environment monitoring module, a safety determination module, an operation monitoring module, and a fire extinguishing analysis module;
the user terminal is used for registering and logging in the server 30 after the electric power staff inputs personal information, and sending the personal information to the server 30;
the personal information comprises the name of the power worker, the mobile phone number of real-name authentication and the like;
the user terminal is used for inputting the model of the transformer in the workstation 40 by electric power workers and sending the model to the server 30, the server 30 sends the model to the data matching module, the data matching module obtains standard electrical parameters corresponding to the transformer in the workstation 40 according to model matching and sends the standard electrical parameters to the server 30, and the server 30 sends the standard electrical parameters to the environment monitoring module and the operation monitoring module;
the standard electrical parameters comprise a standard operation voltage value, a standard voltage allowable change range, a standard operation temperature value, an operation voltage change standard rate, an operation temperature change standard rate, a standard environment temperature value, a standard environment humidity value, an environment temperature change standard rate, an environment humidity change standard rate and the like;
the data acquisition module is used for acquiring operation data of the transformers in the plurality of workstations 40 in a monitoring time period and environment data of the locations of the transformers, and sending the operation data and the environment data to the server 30, the server 30 sends the operation data to the operation monitoring module, and the server 30 sends the environment data to the environment monitoring module;
specifically, the operation data are a real-time operation voltage value, a real-time operation temperature value, and the like of the transformer in the workstation 40; the environment data is a real-time environment temperature value, a real-time environment humidity value and the like;
in specific implementation, the data acquisition module may be a temperature and humidity sensor, a smoke sensor, a camera, or the like, but is not limited thereto, and may be specifically installed on a transformer in the workstation 40, may be inside the transformer, or may be outside the transformer, and is not specifically limited;
the environment monitoring module is used for monitoring the working environment of the transformer in the workstation 40, and the monitoring process is as follows:
step S1: the transformer in workstation 40 is labeled u, u =1,2, … …, z, z being a positive integer; setting a plurality of time points Ttu in a monitoring time period, wherein t =1,2, … …, x and x are positive integers, and t represents the number of the time points;
step S2: acquiring a real-time environment temperature value and a real-time environment humidity value of a transformer in the workstation 40 at any time point;
if the real-time environment temperature value at any time point is greater than or equal to the standard environment temperature value or the real-time environment humidity value at any time point is greater than or equal to the standard environment humidity value, generating an environment abnormal signal;
if the real-time environment temperature value at any time point is smaller than the standard environment temperature value and the real-time environment humidity value at any time point is smaller than the standard environment humidity value, entering the next step;
and step S3: calculating the real-time ambient temperature change rate of the transformer in the workstation 40 at the adjacent time points, and adding and averaging the real-time ambient temperature change rates at all the adjacent time points to obtain the real-time ambient temperature change average speed SHWSu of the transformer in the workstation 40 in the monitoring time period, which is specifically as follows:
acquiring a real-time environment temperature change rate SHWST1u at a time point T1u (i.e. the start time of the monitoring period) and a real-time environment temperature change rate SHWST2u at a time point T2u, thenBy the formula
Calculating the real-time environment temperature change rate from the time point T1u to the time point T2u as SHWS1u;
similarly, the real-time ambient temperature change rate between the time point T2u and the time point T3u is SHWS2u, and so on, the real-time ambient temperature change rate SHWS1u, SHWS2u, … …, SHWS1u, SHWS2u, and so on x-1 u are added, summed and averaged to obtain the real-time ambient temperature change average speed SHWSu of the transformer in the workstation 40 within the monitoring time period;
and step S4: similarly, calculating to obtain the real-time environment humidity change uniform speed SHSSu of the transformer in the workstation 40 within the monitoring time period according to the steps S2 to S3;
step S5: comparing the real-time environmental temperature change average speed of the transformer in the workstation 40 within the monitoring time period with the environmental temperature change standard speed, and comparing the real-time environmental humidity change average speed of the transformer in the workstation 40 within the monitoring time period with the environmental humidity change standard speed;
step S6: if the real-time environment temperature change uniform speed is greater than or equal to the environment temperature change standard speed, and the real-time environment humidity change uniform speed is greater than or equal to the environment humidity change standard speed, generating an environment abnormal signal;
if the real-time environment temperature change uniform speed is smaller than the environment temperature change standard speed, and the real-time environment humidity change uniform speed is smaller than the environment humidity change standard speed, generating an environment normal signal;
if the real-time environment temperature change uniform speed is greater than or equal to the environment temperature change standard speed, and the real-time environment humidity change uniform speed is smaller than the environment humidity change standard speed, generating an environment detection signal;
if the real-time environment temperature change uniform speed is less than the environment temperature change standard speed and the real-time environment humidity change uniform speed is greater than or equal to the environment humidity change standard speed, generating an environment detection signal;
the environment monitoring module feeds back an environment abnormal signal, an environment detection signal or an environment normal signal to the server 30;
if the server 30 receives the environment normal signal, no operation is performed;
if the server 30 receives the environmental abnormal signal, an environmental abnormal instruction is generated and loaded to the fire extinguishing analysis module;
if the server 30 receives the environment detection signal, the generated safety judgment instruction is loaded to the safety judgment module, and the real-time environment humidity change uniform speed SHSSu and the real-time environment temperature change speed SHWSu of the transformer in the workstation 40 within the monitoring time period are sent to the safety judgment module;
the operation monitoring module is used for monitoring the operation condition of the transformer in the workstation 40, and the monitoring process is specifically as follows;
step SS1: acquiring a real-time operation temperature value and a real-time operation voltage value of a transformer in the workstation 40 at any time point;
step SS2: if the real-time operation temperature value at any time point is greater than or equal to the standard operation temperature value or the real-time operation voltage value at any time point is greater than or equal to the standard operation voltage value, generating an operation abnormal signal;
if the real-time operation temperature value at any time point is smaller than the standard operation temperature value and the real-time operation voltage value at any time point is smaller than the standard operation voltage value, entering the next step;
and step SS3: calculating the real-time operating voltage change rate of the transformer in the workstation 40 at the adjacent time points, and adding the real-time operating voltage change rates at all the adjacent time points to obtain an average value, so as to obtain the real-time operating voltage change average speed SYYSu of the transformer in the workstation 40 within the monitoring time period, which is specifically as follows:
obtaining a real-time operating voltage change rate SYYST1u at a time point T1u (i.e., a start time of a monitoring period) and a real-time operating voltage change rate SYYST2u at a time point T2u, and then obtaining the real-time operating voltage change rate SYYST1u and the real-time operating voltage change rate SYYST2u at the time point T2u according to a formula
Calculating the real-time operation voltage change rate between the time point T1u and the time point T2u as SYYS1u;
in a similar way, at a point in timeThe real-time operation voltage change rate between the T2u and the time point T3u is SYYS2u, and by analogy, the real-time operation voltage change rates SYYS1u, SYYS2u, … … and SYYS are obtained x-1 u are added, summed and averaged to obtain a real-time voltage temperature change averaging speed SYYSu of the transformer in the workstation 40 in the monitoring time period;
and step SS4: similarly, calculating to obtain the real-time running temperature change uniform speed SYWSu of the transformer in the workstation 40 in the monitoring time period according to the steps SS2 to SS 3;
step SS5: comparing the real-time operation voltage change average speed of the transformer in the workstation 40 in the monitoring time period with the operation voltage change standard speed, and comparing the real-time operation temperature change average speed of the transformer in the workstation 40 in the monitoring time period with the operation temperature change standard speed;
step SS6: if the real-time operation temperature change uniform speed is greater than or equal to the operation temperature change standard speed, and the real-time operation voltage change uniform speed is greater than or equal to the operation voltage change standard speed, generating an operation abnormal signal;
if the real-time operation temperature change uniform speed is smaller than the operation temperature change standard speed and the real-time operation voltage change uniform speed is smaller than the operation voltage change standard speed, generating an operation normal signal;
if the real-time operation temperature change uniform speed is greater than or equal to the operation temperature change standard speed and the real-time operation voltage change uniform speed is less than the operation voltage change standard speed, generating an operation detection signal;
if the real-time operation temperature change uniform speed is less than the operation temperature change standard speed and the real-time operation voltage change uniform speed is greater than or equal to the operation voltage change standard speed, generating an operation detection signal;
the operation monitoring module feeds back an operation abnormal signal, an operation normal signal or an operation detection signal to the server 30;
if the server 30 receives the normal operation signal, no operation is performed;
if the server 30 receives the abnormal operation signal, an abnormal operation instruction is generated and loaded to the fire extinguishing analysis module;
if the server 30 receives the operation detection signal, the generated safety judgment instruction is loaded to the safety judgment module, and the real-time operation temperature change uniform speed SYWSu and the real-time operation voltage change uniform speed SYYSu of the transformer in the workstation 40 in the monitoring time period are sent to the safety judgment module;
the safety determination module is configured to determine the safety condition of the transformer in the workstation 40 during the monitoring period, and the determination process specifically includes:
step P1: acquiring the real-time environment humidity change uniform speed SHSSu, the real-time environment temperature change rate SHWSu, the real-time operation temperature change uniform speed SYWSu and the real-time operation voltage change uniform speed SYYSu of the transformer in the workstation 40 within the monitoring time period obtained by the calculation;
step P2: acquiring an operating voltage change standard rate BYSu, an operating temperature change standard rate BYSu, an environment temperature change standard rate BHWSu and an environment humidity change standard rate BHSSu corresponding to a transformer in the workstation 40;
step P3: calculating a difference value between the real-time environment humidity change average speed and the environment humidity change standard speed to obtain an environment humidity change speed deviation value HSSCu of the transformer in the workstation 40 in a monitoring time period, and similarly, obtaining an environment temperature change speed deviation value HWSCu, an operation voltage change speed deviation value YYSCu and an operation temperature change speed deviation value YWSCu of the transformer in the workstation 40 in the monitoring time period;
step P4: calculating a safety deviation value APu of the transformer in the workstation 40 in the monitoring period by a formula APu = HSSCu × a1+ HWSCu × a2+ yscu × a3+ ywsccu × a 4; in the formula, a1, a2, a3 and a4 are all weight coefficients with fixed values, and the values of a1, a2, a3 and a4 are all greater than zero, in specific implementation, as long as the values of the weight coefficients do not affect the positive-negative ratio relationship between the parameters and the result values;
step P5: if APu is less than X1, generating a safe normal signal;
if X1 is less than or equal to APu, generating a safety abnormal signal; wherein X1 is a safety deviation threshold value, and the value of X1 is greater than zero;
the safety judgment module feeds back a safety normal signal or a safety abnormal signal to the server 30;
if the server 30 receives the safe and normal signal, no operation is performed;
if the server 30 receives the safety abnormal signal, a safety abnormal instruction is generated and loaded to the fire extinguishing analysis module;
the data acquisition module is further used for acquiring external pictures and internal pictures of a transformer in the workstation 40 and sending the external pictures and the internal pictures to the server 30, the server 30 sends the external pictures and the internal pictures to the fire extinguishing analysis module, the fire extinguishing analysis module receives the external pictures and the internal pictures and then is used for carrying out fire extinguishing analysis on safety abnormal commands, environmental abnormal commands or abnormal operation commands, and the analysis process is as follows:
step Q1: marking the internal picture and the external picture of the transformer in the workstation 40 as identification pictures, marking the identification pictures as Tui, i =1,2, … …, v, v are positive integers, and i represents the number of the identification pictures;
step Q2: acquiring the length and the width of the identification picture so as to obtain the number SLTui of the total pixel points in the identification picture;
and step Q3: traversing pixel points of flame colors in the identification picture, and comparing the number HSLTui of the pixel points of the flame colors with the number SLTui of the total pixel points to obtain the pixel point proportion HZTui of the flame colors;
specifically, the flame colors include: dark red, orange, yellow, bluish white, and the like;
step Q4: when the pixel ratio of the flame color is larger than a set threshold value, generating a fire extinguishing starting signal, otherwise, not carrying out any operation;
the analysis module of putting out a fire feeds back the actuating signal that puts out a fire to server 30, server 30 will put out a fire actuating signal and send to the fire extinguishing terminal, and the fire extinguishing terminal receives the actuating signal that puts out a fire and can put out a fire work after reaching the condition of putting out a fire, and siren 20 sends out the police dispatch newspaper sound simultaneously.
A control method of a main transformer oil discharging and nitrogen charging fire fighting device comprises the steps that when the fire fighting device works, electric power workers input the model number of a transformer in a workstation 40 through a user terminal and send the model number to a server 30, the server 30 sends the model number to a data matching module, the data matching module obtains standard electric parameters corresponding to the transformer in the workstation 40 according to model number matching and sends the standard electric parameters to the server 30, and the server 30 sends the standard electric parameters to an environment monitoring module and an operation monitoring module;
the method comprises the steps that operation data of transformers in a monitoring time period and environment data of the locations of the transformers in a plurality of workstations 40 are collected through a data collection module, the operation data and the environment data are sent to a server 30, the server 30 sends the operation data to an operation monitoring module, and the server 30 sends the environment data to an environment monitoring module;
monitoring the working environment of a transformer in a workstation 40 through an environment monitoring module, marking the transformer in the workstation 40 as u, setting a plurality of time points Ttu in a monitoring time period, acquiring a real-time environment temperature value and a real-time environment humidity value of the transformer in the workstation 40 at any time point, generating an environment abnormal signal if the real-time environment temperature value at any time point is greater than or equal to a standard environment temperature value or the real-time environment humidity value at any time point is greater than or equal to the standard environment humidity value, calculating the real-time environment temperature change rate of the transformer in the workstation 40 at adjacent time points if the real-time environment temperature value at any time point is less than the standard environment temperature value and the real-time environment humidity value at any time point is less than the standard environment humidity value, adding the real-time environment temperature change rates at all adjacent time points to obtain an average value, obtaining a real-time environment temperature change uniform speed SHWSu of a transformer in a workstation 40 in a monitoring time period, similarly, calculating to obtain the real-time environment humidity change uniform speed SHSSu of the transformer in the workstation 40 in the monitoring time period according to the steps S2 to S3, comparing the real-time environment temperature change uniform speed of the transformer in the workstation 40 in the monitoring time period with an environment temperature change standard speed, comparing the real-time environment humidity change uniform speed of the transformer in the workstation 40 in the monitoring time period with an environment humidity change standard speed, if the real-time environment temperature change uniform speed is greater than or equal to the environment temperature change standard speed and the real-time environment humidity change uniform speed is greater than or equal to the environment humidity change standard speed, generating an environment abnormal signal, if the real-time environment temperature change uniform speed is less than the environment temperature change standard speed and the real-time environment humidity change uniform speed is less than the environment humidity change standard speed, generating an environment normal signal, if the real-time environment temperature change average speed is greater than or equal to the environment temperature change standard speed, and the real-time environment humidity change average speed is less than the environment humidity change standard speed, generating an environment detection signal, if the real-time environment temperature change average speed is less than the environment temperature change standard speed, and the real-time environment humidity change average speed is greater than or equal to the environment humidity change standard speed, generating an environment detection signal, feeding an environment abnormal signal, an environment detection signal or an environment normal signal back to the server 30 by the environment monitoring module, if the server 30 receives the environment normal signal, not performing any operation, if the server 30 receives the environment abnormal signal, generating an environment abnormal instruction and loading the environment abnormal instruction to the fire extinguishing analysis module, if the server 30 receives the environment detection signal, loading the generated safety judgment instruction to the safety judgment module, and sending the real-time environment humidity change average speed SHSSu and the real-time environment temperature change rate SHWSu of the transformer in the workstation 40 within the monitoring time period to the safety judgment module;
monitoring the operation state of the transformer in the workstation 40 by an operation monitoring module, acquiring a real-time operation temperature value and a real-time operation voltage value of the transformer in the workstation 40 at any time point, generating an operation abnormal signal if the real-time operation temperature value at any time point is greater than or equal to a standard operation temperature value or the real-time operation voltage value at any time point is greater than or equal to a standard operation voltage value, calculating the real-time operation voltage change rate of the transformer in the workstation 40 at adjacent time points if the real-time operation temperature value at any time point is less than the standard operation temperature value and the real-time operation voltage value at any time point is less than the standard operation voltage value, adding the real-time operation voltage change rates at all adjacent time points to obtain the real-time operation voltage change average rate SYYSu of the transformer in the workstation 40 in a monitoring time period, and the same way, calculating to obtain a real-time operation temperature change average speed SYWSu of the transformer in the workstation 40 in a monitoring time period according to the steps SS2 to SS3, comparing the real-time operation voltage change average speed of the transformer in the workstation 40 in the monitoring time period with an operation voltage change standard speed, comparing the real-time operation temperature change average speed of the transformer in the workstation 40 in the monitoring time period with an operation temperature change standard speed, if the real-time operation temperature change average speed is greater than or equal to the operation temperature change standard speed and the real-time operation voltage change average speed is greater than or equal to the operation voltage change standard speed, generating an operation abnormal signal, if the real-time operation temperature change average speed is less than the operation temperature change standard speed and the real-time operation voltage change average speed is less than the operation voltage change standard speed, generating an operation normal signal, and if the real-time operation temperature change average speed is greater than or equal to the operation temperature change standard speed, if the real-time operation voltage change averaging speed is less than the operation voltage change standard speed, generating an operation detection signal, if the real-time operation temperature change averaging speed is less than the operation temperature change standard speed, and the real-time operation voltage change averaging speed is greater than or equal to the operation voltage change standard speed, generating an operation detection signal, feeding back an operation abnormal signal, an operation normal signal or an operation detection signal to the server 30 by the operation monitoring module, if the server 30 receives the operation normal signal, not performing any operation, if the server 30 receives the operation abnormal signal, generating an operation abnormal instruction to load to the fire extinguishing analysis module, and if the server 30 receives the operation detection signal, loading a generated safety judgment instruction to the safety judgment module, and sending a real-time operation temperature change averaging speed SYWSu and a real-time operation voltage change averaging speed SYYSu of a transformer in the workstation 40 in a monitoring time period to the safety judgment module;
judging the safety condition of the transformer in the workstation 40 in the monitoring period by a safety judgment module, obtaining the calculated real-time environment humidity change average speed SHSSu, real-time environment temperature change rate SHWSu, real-time operation temperature change average speed SYWSu and real-time operation voltage change average speed SYYSu of the transformer in the workstation 40 in the monitoring time period, then obtaining the operation voltage change standard speed BYSu, operation temperature change standard speed BYSu, environment temperature change standard speed BHWSu and environment humidity change standard speed BHSSu corresponding to the transformer in the workstation 40, calculating the difference value between the real-time environment humidity change average speed and the environment humidity change standard speed to obtain the environment humidity change rate deviation value SCu of the transformer in the monitoring period in the workstation 40, and similarly obtaining the environment temperature change rate deviation value YYSCu, operation voltage change rate YYSCu and operation temperature change rate YCu of the transformer in the monitoring period in the workstation 40, and obtaining the safety deviation value calculated by the formula 3238 HSZuXa 3238 HSUxa 1+ SCHWu x a2 a + SCHW 323 x 3 a + YYSCu in the monitoring period in the transformer in the monitoring period, and calculating the safety deviation value of the transformer in the monitoring period by a 3262 YYSCu and the safety deviation value calculated in the workstation 40 xYZft period; in the formula, a1, a2, a3 and a4 are weight coefficients with fixed numerical values, values of a1, a2, a3 and a4 are all larger than zero, if APu is smaller than X1, a safe normal signal is generated, if X1 is smaller than or equal to APu, a safe abnormal signal is generated, the safe normal signal or the safe abnormal signal is fed back to the server 30 by the safety judgment module, if the server 30 receives the safe normal signal, no operation is performed, and if the server 30 receives the safe abnormal signal, a safe abnormal instruction is generated and loaded to the fire extinguishing analysis module;
the data acquisition module is also used for acquiring an external picture and an internal picture of the transformer in the workstation 40 and sending the external picture and the internal picture to the server 30, the server 30 is used for sending the external picture and the internal picture to the fire extinguishing analysis module, the fire extinguishing analysis module is used for carrying out fire extinguishing analysis on a safety abnormal instruction, an environment abnormal instruction or an operation abnormal instruction after receiving the external picture and the internal picture, the internal picture and the external picture of the transformer in the workstation 40 are uniformly calibrated to be an identification picture Tui, then the length and the width of the identification picture are obtained, the number SLTui of total pixel points in the identification picture is obtained, pixel points of flame colors in the identification picture are traversed, the number HSLTui of the flame color pixel points is compared with the number SLTui of the total pixel points to obtain pixel point occupation ratio HZTui of the flame colors, when the pixel point occupation ratio of the flame colors is larger than a set threshold value, a fire extinguishing starting signal is generated, otherwise, the fire extinguishing analysis module does not carry out any operation, the fire extinguishing analysis module feeds back the fire extinguishing starting signal to the server 30, the fire extinguishing terminal sends the fire extinguishing starting signal to the fire extinguishing terminal, and the alarm 20 simultaneously.
The above formulas are all dimensionless values and calculated, the formula is a formula for obtaining the latest real situation by collecting a large amount of data and performing software simulation, the preset parameters in the formula are set by the technical personnel in the field according to the actual situation, the weight coefficient and the scale coefficient are specific values obtained by quantifying each parameter, so that the subsequent comparison is convenient, and the proportional relation between the parameters and the quantified values can be obtained as long as the proportional relation between the parameters and the quantified values is not influenced.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (2)
1. A control method of a main transformer oil-discharging nitrogen-charging fire-fighting device comprises a case (10), and is characterized in that the case (10) is connected with a server (30), the server (30) is connected with an alarm (20) and a plurality of workstations (40), the server (30) is connected with a fire-extinguishing terminal, a user terminal, a data acquisition module, a data matching module, an environment monitoring module, a safety judgment module, an operation monitoring module and a fire-extinguishing analysis module, the user terminal is used for inputting the model of a transformer in the workstations (40) by electric power workers and sending the model to the server (30), the server (30) sends the model to the data matching module, the data matching module obtains standard electrical parameters corresponding to the transformer in the workstations (40) according to model matching and sends the standard electrical parameters to the server (30), and the server (30) sends the standard electrical parameters to the environment monitoring module and the operation monitoring module; the data acquisition module is used for acquiring operation data of the transformers in the plurality of workstations (40) in a monitoring time period and environment data of the locations of the transformers and sending the operation data and the environment data to the server (30), and the server (30) sends the operation data to the operation monitoring module and sends the environment data to the environment monitoring module;
the standard electrical parameters comprise a standard operation voltage value, a standard operation temperature value, a standard operation voltage change rate, a standard operation temperature change rate, a standard environment temperature value, a standard environment humidity value, a standard environment temperature change rate and a standard environment humidity change rate; the operation data is a real-time operation voltage value and a real-time operation temperature value of a transformer in the workstation (40); the environment data is a real-time environment temperature value and a real-time environment humidity value;
the environment monitoring module is used for monitoring the working environment of the transformer in the workstation (40), and the monitoring process is as follows:
step S1: marking the transformer in the workstation (40) as u, u =1,2, … …, z, z being a positive integer; setting a plurality of time points Ttu in a monitoring time period, wherein t =1,2, … …, x and x are positive integers, and t represents the number of the time points;
step S2: acquiring a real-time environment temperature value and a real-time environment humidity value of a transformer in a workstation (40) at any time point;
if the real-time environment temperature value at any time point is greater than or equal to the standard environment temperature value or the real-time environment humidity value at any time point is greater than or equal to the standard environment humidity value, generating an environment abnormal signal;
if the real-time environment temperature value at any time point is smaller than the standard environment temperature value and the real-time environment humidity value at any time point is smaller than the standard environment humidity value, entering the next step;
and step S3: calculating the real-time environment temperature change rate of the transformer in the workstation (40) at the adjacent time points, and adding and averaging the real-time environment temperature change rates at all the adjacent time points to obtain the real-time environment temperature change average speed SHWSu of the transformer in the workstation (40) in the monitoring time period, which is specifically as follows:
acquiring the real-time environment temperature change rate SHWST1u at the time point T1u and the real-time environment temperature change rate at the time point T2uSHWST2u, then by the formula
Calculating the real-time environment temperature change rate between the time point T1u and the time point T2u as SHWS1u;
similarly, the real-time ambient temperature change rate between the time point T2u and the time point T3u is SHWS2u, and so on, the real-time ambient temperature change rate SHWS1u, SHWS2u, … …, SHWS1u, SHWS2u, and so on x-1 u is added, summed and averaged to obtain the real-time ambient temperature change average speed SHWSu of the transformer in the workstation (40) in the monitoring time period;
and step S4: similarly, calculating to obtain the real-time environment humidity change uniform speed SHSSu of the transformer in the workstation (40) in the monitoring time period according to the steps S2 to S3;
step S5: comparing the real-time environment temperature change uniform speed of the transformer in the workstation (40) within a monitoring time period with the environment temperature change standard speed, and comparing the real-time environment humidity change uniform speed of the transformer in the workstation (40) within the monitoring time period with the environment humidity change standard speed;
step S6: if the real-time environmental temperature change uniform speed is greater than or equal to the environmental temperature change standard speed, and the real-time environmental humidity change uniform speed is greater than or equal to the environmental humidity change standard speed, generating an environmental abnormal signal;
if the real-time environment temperature change uniform speed is smaller than the environment temperature change standard speed, and the real-time environment humidity change uniform speed is smaller than the environment humidity change standard speed, generating an environment normal signal;
if the real-time environment temperature change uniform speed is greater than or equal to the environment temperature change standard speed, and the real-time environment humidity change uniform speed is smaller than the environment humidity change standard speed, generating an environment detection signal;
if the real-time environment temperature change uniform speed is less than the environment temperature change standard speed and the real-time environment humidity change uniform speed is greater than or equal to the environment humidity change standard speed, generating an environment detection signal;
the environment monitoring module feeds back an environment abnormal signal, an environment detection signal or an environment normal signal to the server (30), and if the server (30) receives the environment normal signal, no operation is performed; if the server (30) receives the environment abnormal signal, an environment abnormal instruction is generated and loaded to the fire extinguishing analysis module; if the server (30) receives the environment detection signal, the generated safety judgment instruction is loaded to the safety judgment module, and the real-time environment humidity change uniform speed SHSSu and the real-time environment temperature change speed SHWSu of the transformer in the workstation (40) in the monitoring time period are sent to the safety judgment module; the operation monitoring module is used for monitoring the operation condition of the transformer in the workstation (40), and the monitoring process is specifically as follows;
step SS1: acquiring a real-time operation temperature value and a real-time operation voltage value of a transformer in a workstation (40) at any time point;
step SS2: if the real-time operation temperature value at any time point is greater than or equal to the standard operation temperature value or the real-time operation voltage value at any time point is greater than or equal to the standard operation voltage value, generating an operation abnormal signal;
if the real-time operation temperature value at any time point is smaller than the standard operation temperature value and the real-time operation voltage value at any time point is smaller than the standard operation voltage value, entering the next step;
step SS3: calculating the real-time operation voltage change rate of the transformer in the workstation (40) at the adjacent time points, and adding the real-time operation voltage change rates at all the adjacent time points to obtain an average value to obtain the real-time operation voltage change average rate SYYSu of the transformer in the workstation (40) in the monitoring time period, wherein the real-time operation voltage change average rate SYYSu is as follows:
obtaining a real-time operation voltage change rate SYYST1u at a time point T1u and a real-time operation voltage change rate SYYST2u at a time point T2u, and then obtaining a formula
Calculating the real-time operation voltage change rate between the time point T1u and the time point T2u as SYYS1u;
similarly, the real-time voltage temperature change rate between the time point T2u and the time point T3u is SYYS2u, and so on, the real-time operating voltage change rates SYYS1u, SYYS2u,……、SYYS x-1 u are added and summed to obtain an average value, and a real-time voltage temperature change average speed SYYSu of the transformer in the workstation (40) in a monitoring time period is obtained;
and step SS4: similarly, calculating to obtain the real-time running temperature change uniform speed SYWSu of the transformer in the workstation (40) in the monitoring time period according to the steps SS2 to SS 3;
and step SS5: comparing the real-time operation voltage change uniform speed of the transformer in the workstation (40) in a monitoring time period with the operation voltage change standard speed, and comparing the real-time operation temperature change uniform speed of the transformer in the workstation (40) in the monitoring time period with the operation temperature change standard speed;
step SS6: if the real-time operation temperature change equalizing speed is greater than or equal to the operation temperature change standard speed, and the real-time operation voltage change equalizing speed is greater than or equal to the operation voltage change standard speed, generating an operation abnormal signal;
if the real-time operation temperature change uniform speed is smaller than the operation temperature change standard speed and the real-time operation voltage change uniform speed is smaller than the operation voltage change standard speed, generating an operation normal signal;
if the real-time operation temperature change uniform speed is greater than or equal to the operation temperature change standard speed and the real-time operation voltage change uniform speed is less than the operation voltage change standard speed, generating an operation detection signal;
if the real-time operation temperature change uniform speed is less than the operation temperature change standard speed and the real-time operation voltage change uniform speed is greater than or equal to the operation voltage change standard speed, generating an operation detection signal;
the operation monitoring module feeds back an abnormal operation signal, a normal operation signal or an operation detection signal to the server (30), and if the server (30) receives the normal operation signal, no operation is performed; if the server (30) receives the abnormal operation signal, an abnormal operation instruction is generated and loaded to the fire extinguishing analysis module; if the server (30) receives the operation detection signal, loading a generated safety judgment instruction to a safety judgment module, and sending a real-time operation temperature change uniform speed SYWSu and a real-time operation voltage change uniform speed SYYSu of a transformer in the workstation (40) in a monitoring time period to the safety judgment module; the safety judgment module is used for judging the safety condition of the transformer in the workstation (40) in the monitoring period, and the judgment process is as follows:
step P1: acquiring a real-time environment humidity change average speed SHSSu, a real-time environment temperature change rate SHWSu, a real-time operation temperature change average speed SYWSu and a real-time operation voltage change average speed SYYSu of a transformer in a workstation (40) in a monitoring time period;
step P2: acquiring an operating voltage change standard rate BYSu, an operating temperature change standard rate BYSu, an ambient temperature change standard rate BHWSu and an ambient humidity change standard rate BHSSu corresponding to a transformer in a workstation (40);
step P3: calculating the difference value between the real-time environment humidity change uniform speed and the environment humidity change standard speed to obtain an environment humidity change speed deviation value HSSCu of the transformer in the workstation (40) in the monitoring time period, and similarly, obtaining an environment temperature change speed deviation value HWSCu, an operation voltage change speed deviation value YYSCu and an operation temperature change speed deviation value YWSCu of the transformer in the workstation (40) in the monitoring time period;
step P4: calculating a safety deviation value APu of the transformer in the workstation (40) in the monitoring period by a formula APu = HSSCu × a1+ HWSCu × a2+ YYSCu × a3+ YWSCu × a 4; in the formula, a1, a2, a3 and a4 are all weight coefficients with fixed numerical values, and the values of a1, a2, a3 and a4 are all larger than zero;
step P5: if APu is less than X1, generating a safe normal signal;
if X1 is less than or equal to APu, generating a safety abnormal signal; wherein X1 is a safety deviation threshold value, and the value of X1 is greater than zero;
the safety judgment module feeds back a safety normal signal or a safety abnormal signal to the server (30), and if the server (30) receives the safety normal signal, no operation is performed; if the server (30) receives the safety abnormal signal, a safety abnormal instruction is generated and loaded to the fire extinguishing analysis module;
the data acquisition module is also used for acquiring external pictures and internal pictures of a transformer in the workstation (40) and sending the external pictures and the internal pictures to the server (30), the server (30) sends the external pictures and the internal pictures to the fire extinguishing analysis module, the fire extinguishing analysis module is used for carrying out fire extinguishing analysis on safety abnormal instructions, environmental abnormal instructions or operation abnormal instructions, and the analysis process is as follows:
step Q1: marking the internal picture and the external picture of the transformer in the workstation (40) as identification pictures, marking the identification pictures as Tui, i =1,2, … …, v, v are positive integers, and i represents the number of the identification pictures;
step Q2: acquiring the length and the width of the identification picture so as to obtain the number SLTui of the total pixel points in the identification picture;
and step Q3: traversing pixel points of flame colors in the identification picture, and comparing the number HSLTui of the pixel points of the flame colors with the number SLTui of the total pixel points to obtain the pixel point proportion HZTui of the flame colors; wherein the flame colors include: dark red, orange, yellow, bluish white, and white;
and step Q4: when the pixel ratio of the flame color is larger than a set threshold value, generating a fire extinguishing starting signal, otherwise, not carrying out any operation;
the analysis module of putting out a fire feeds back the actuating signal that puts out a fire to server (30) or does not carry out any operation, server (30) will put out a fire actuating signal and send to the terminal of putting out a fire, and the terminal of putting out a fire carries out the work of putting out a fire after reaching the fire extinguishing conditions, and siren (20) send out the alarm sound simultaneously.
2. The control method of the main transformer oil discharge and nitrogen charge fire fighting device according to claim 1, characterized in that the fire extinguishing starting conditions of the fire extinguishing terminal are as follows:
when the case (10) is in an automatic putting-in mode, and a fire extinguishing soft pressure plate in the case (10) is in an putting-in state, and meanwhile, action information of a fire detector 1 signal, a fire detector 2 signal, heavy gas and tripping of switches on all sides is received, and any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts an automatic fire extinguishing function and sends a fire extinguishing starting signal;
otherwise, the fire extinguishing starting failure is signaled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210690954.4A CN115177893B (en) | 2022-06-17 | 2022-06-17 | Control method of main transformer oil discharge nitrogen charging fire fighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210690954.4A CN115177893B (en) | 2022-06-17 | 2022-06-17 | Control method of main transformer oil discharge nitrogen charging fire fighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115177893A CN115177893A (en) | 2022-10-14 |
| CN115177893B true CN115177893B (en) | 2023-04-11 |
Family
ID=83513867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210690954.4A Active CN115177893B (en) | 2022-06-17 | 2022-06-17 | Control method of main transformer oil discharge nitrogen charging fire fighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115177893B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115995887B (en) * | 2023-03-22 | 2023-06-06 | 山东泰顺电气有限责任公司 | Intelligent monitoring system of power transformer based on big data |
| CN117085284B (en) * | 2023-07-19 | 2024-04-05 | 国网辽宁省电力有限公司电力科学研究院 | Pneumatic oil-discharging nitrogen-injecting fire-extinguishing parameter regulation and control method and system based on environment monitoring |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882504A (en) * | 2019-11-22 | 2020-03-17 | 国网河北省电力有限公司电力科学研究院 | Direct-current power supply system storage battery pack fire pre-judging and fire extinguishing system and method |
| CN111693902A (en) * | 2020-06-02 | 2020-09-22 | 国网河北省电力有限公司邯郸供电分公司 | Power transformer running state automatic alarm system |
| CN114188623A (en) * | 2021-12-04 | 2022-03-15 | 深圳市鸿昊升电子有限公司 | Lithium battery pack supervision and early warning system with anti-overcharging protection function |
| CN114272548B (en) * | 2021-12-15 | 2022-09-02 | 山东驰宇消防科技有限公司 | Intelligent fire extinguishing equipment for buildings and fire extinguishing method thereof |
| CN114333252A (en) * | 2022-02-23 | 2022-04-12 | 安徽金晥泵业科技股份有限公司 | Draining pump operation monitoring and early warning system based on big data |
-
2022
- 2022-06-17 CN CN202210690954.4A patent/CN115177893B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115177893A (en) | 2022-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115177893B (en) | Control method of main transformer oil discharge nitrogen charging fire fighting device | |
| CN108931972B (en) | A kind of substation secondary device condition intelligent diagnostic method based on model-driven | |
| CN207938972U (en) | A kind of intelligent monitor system applied to box-type substation | |
| CN106940548B (en) | A kind of Internet of Things intellectuality cleaner managing and control system | |
| CN103823433B (en) | Method for realizing relay protection equipment on-line monitoring by use of communication process analysis | |
| CN107819323B (en) | The online O＆M method and system of secondary equipment of intelligent converting station based on visual presentation | |
| CN106712300A (en) | Intelligent master station and sub-station multi-level anti-misoperation locking system | |
| KR20070121238A (en) | Digital substation based on iec61850 measuring partial discharge | |
| CN115166500A (en) | Direct current breaker equipment state analysis system based on power grid resource business middle platform | |
| CN212970114U (en) | Comprehensive intelligent monitoring system for electrical equipment | |
| CN102005736A (en) | On-line monitoring method of state of relay protection equipment | |
| CN104091622A (en) | Method and system for evaluating availability ratio of nuclear power plant digital control system | |
| CN108375962A (en) | Offshore boosting station patrols control system | |
| CN106287225A (en) | A kind of combustion gas on-line monitoring early warning system and detection control method thereof | |
| CN114936652A (en) | Electrical equipment remote monitoring control system | |
| CN106290709A (en) | A kind of transformer station gas wireless monitor alarm control method | |
| CN117409526A (en) | Electrical fire extremely early warning and monitoring system and fire extinguishing method | |
| CN106451760B (en) | A kind of 500kV substation centralized control system telemetry intelligence (TELINT) method for real-time monitoring | |
| CN111192427A (en) | Residual current type electrical fire monitoring method and device | |
| CN212158839U (en) | Power distribution equipment operation monitoring system based on NB-IOT | |
| CN104377815A (en) | Relaying protection equipment on-line monitoring method | |
| CN104375482A (en) | Relay protection device online evaluation method | |
| CN102109849B (en) | Method for realizing intelligent detection and verification of transformer substation system on basis of replacement function | |
| CN215953792U (en) | Online monitoring system for low-voltage switch of transformer area | |
| CN116107265B (en) | Remote control system and method for artificial board processing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |