Gradable alarm device based on intelligent monitoring of thermal power plant

Abstract

The utility model relates to the technical field of grading alarm of thermal power plant intelligent monitoring, in particular to a gradable alarm device based on thermal power plant intelligent monitoring, which comprises an LC interface module, a signal conversion module, an STM master controller module and an alarm lamp group. Wherein the STM master controller module converts electric signals, transmitted by the signal conversion module, of all devices into voltage data, compares the voltage data of all the devices with a built-in voltage threshold value, and then sends instructions corresponding to the running states of all the devices to the alarm lamp set; the alarm lamp group receives the instruction sent by the STM master controller module and then lights different colors of light for warning. According to the utility model, the signal conversion module, the STM master controller module and the alarm lamp group are combined, and visual early warning is carried out on the operation state of each device of the thermal power plant, so that an operator is prevented from detecting the operation state of each device in real time, the working intensity of the operator is reduced, and the overall practicability and efficiency of the system are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the hierarchical alarm technology field of intelligent monitoring of thermal power plant, especially to a hierarchical alarm device based on intelligent monitoring of thermal power plant. BACKGROUND

[0002] With the increasing pressure of energy saving and consumption reduction and market competition, how to improve the quality and efficiency of the traditional power generation industry has become a life-and-death problem for enterprises. Through digitalization, informatization and intelligent transformation, the energy saving and consumption reduction potential of power plants is explored, the operation level of the unit is improved, the labor cost is reduced, and the safety of the unit is improved. The intelligent monitoring system based on big data analysis technology is increasingly valued in the power industry.

[0003] However, some intelligent monitoring systems on the market can only have a simple monitoring effect when in use, and cannot effectively alarm, requiring operators to detect the running state of each device in real time. In addition, some intelligent monitoring systems mainly notify operators through screen display or simple sound prompts, but in noisy working environments or when operators are not focused, these notification methods may not effectively attract the attention of operators. Therefore, there is an urgent need for an intuitive and effective alarm notification device to improve the overall practicality and efficiency of the system and reduce the work intensity of operators. UTILITY MODEL CONTENT

[0004] The utility model provides a hierarchical alarm device based on intelligent monitoring of thermal power plant to solve the technical problem in the above background technology.

[0005] The utility model provides a hierarchical alarm device based on intelligent monitoring of thermal power plant, including LC interface module, signal conversion module, STM main control ware module and alarm light group, wherein:

[0006] LC interface module is connected with intelligent monitoring system, is used for receiving the running state information of each device of thermal power plant predicted by intelligent monitoring system, and the running state information of each device is converted into different intensity light signals, wherein the running state information of each device includes normal, general and fault, the normal running state is converted into high-intensity light signal, the general running state is converted into medium-intensity light signal, and the fault running state is converted into low-intensity light signal;

[0007] Signal conversion module is connected with LC interface module, receives the light signal of each device transmitted by LC interface module and converts it into electric signal, wherein high-intensity light signal is converted into high flat electric signal, medium-intensity light signal is converted into medium flat electric signal, and low-intensity light signal is converted into low flat electric signal;

[0008] The STM master module is connected with the signal conversion module, converts the electrical signals of each device transmitted by the signal conversion module into voltage data, compares the voltage data of each device with the built-in voltage threshold, and sends instructions corresponding to the running state of each device to the alarm lamp group, wherein the voltage threshold includes the lowest voltage threshold A corresponding to the fault running state, the highest voltage threshold B corresponding to the fault running state, the lowest voltage threshold C corresponding to the normal running state, and the highest voltage threshold D corresponding to the normal running state, and A < B < C < D;

[0009] The alarm lamp group is based on the instructions corresponding to the running state of each device sent by the STM master module, and the lights of different colors are lit to warn.

[0010] Preferably, the devices of the thermal power plant include coal mills, coal feeders, air preheaters, primary air fans, air supply fans, induced draft fans, superheaters, steam-water separators, economizers, condensate water pumps, feed water pumps, condensers, circulating water pumps, generators and steam turbines.

[0011] Preferably, when A ≤ the voltage data of a certain device ≤ B, the STM master module sends a first instruction for the running state of the device.

[0012] Preferably, when B < the voltage data of a certain device ≤ C, the STM master module sends a second instruction for the running state of the device.

[0013] Preferably, when C < the voltage data of a certain device ≤ D, the STM master module sends a third instruction for the running state of the device.

[0014] Preferably, it further comprises a signal transmission module connected with the STM master module and the alarm lamp group, which transmits the control instructions sent by the STM master module to the alarm lamp group after receiving the control instructions.

[0015] Preferably, the LC interface module is a Huawei SFP-GE-LX-SM1310 optical module, the signal conversion module is a photodiode, the STM master module is an STM32L431RCT6 microcontroller, and the alarm lamp group is composed of a plurality of alarm lamps; the signal transmission module is composed of a plurality of 74HC595 chips, and each 74HC595 chip includes 8 signal ports.

[0016] Preferably, the alarm lamp group includes a coal mill alarm lamp, a coal feeder alarm lamp, an air preheater alarm lamp, a primary air fan alarm lamp, an air supply fan alarm lamp, an induced draft fan alarm lamp, a superheater alarm lamp, a steam-water separator alarm lamp, an economizer alarm lamp, a condensate water pump alarm lamp, a feed water pump alarm lamp, a condenser alarm lamp, a circulating water pump alarm lamp, a generator alarm lamp and a steam turbine alarm lamp.

[0017] The signal transmission module comprises a coal mill signal port, a coal feeder signal port, an air preheater signal port, a primary air fan signal port, a forced draught fan signal port, an induced draught fan signal port, a superheater signal port, a steam-water separator signal port, an economizer signal port, a condensate water pump signal port, a feed water pump signal port, a condenser signal port, a circulating water pump signal port, a generator signal port and a steam turbine signal port;

[0018] The coal mill alarm lamp is connected with the coal mill signal port, the coal feeder alarm lamp is connected with the coal feeder signal port, the air preheater alarm lamp is connected with the air preheater signal port, the primary air fan alarm lamp is connected with the primary air fan signal port, the forced draught fan alarm lamp is connected with the forced draught fan signal port, the induced draught fan alarm lamp is connected with the induced draught fan signal port, the superheater alarm lamp is connected with the superheater signal port, the steam-water separator alarm lamp is connected with the steam-water separator signal port, the economizer alarm lamp is connected with the economizer signal port, the condensate water pump alarm lamp is connected with the condensate water pump signal port, the feed water pump alarm lamp is connected with the feed water pump signal port, the condenser alarm lamp is connected with the condenser signal port, the circulating water pump alarm lamp is connected with the circulating water pump signal port, the generator alarm lamp is connected with the generator signal port and the steam turbine alarm lamp is connected with the steam turbine signal port.

[0019] Preferably, when each alarm lamp in the alarm lamp group receives the first instruction sent by the STM master module, the light color is red, indicating that the running state of the device is failure; when each alarm lamp in the alarm lamp group receives the second instruction sent by the STM master module, the light color is yellow, indicating that the running state of the device is general; when each alarm lamp in the alarm lamp group receives the third instruction sent by the STM master module, the light color is green, indicating that the running state of the device is normal.

[0020] Preferably, the utility model also comprises a data storage module connected with the STM master module, for storing voltage data of each device.

[0021] Compared with the prior art, the utility model has the advantages as follows:

[0022] 1. The utility model discloses an intelligent monitoring system, a signal conversion module, a STM master module and an alarm lamp group, which can directly and intuitively warn the running state of each device in a thermal power plant, avoid real-time detection of the running state of each device by an operator, reduce the working strength of the operator, and improve the overall practicability and efficiency of the system.

[0023] 2. The utility model discloses an alarm lamp group, which can directly and intuitively display the fault condition of each device, so that the operator can quickly locate and understand the fault condition of each device, and take timely and effective measures to reduce the influence of the fault on production.

[0024] 3. The utility model discloses a different color light is directly observed to show the operation state of each device, and this visual prompting mode is particularly effective in the noisy working environment, can quickly attract the attention of operating personnel, in addition, the light of different colors also helps operating personnel to carry out the grading processing to the operation state of each device, and the important alarm is quickly identified and is given priority to processing, improves the response speed. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0026] Figure 1 The utility model provides a kind of hierarchical alarm device structure schematic diagram based on intelligent monitoring of thermal power plant. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled person in the art without creative labor fall within the scope of the utility model.

[0028] In the description of the utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium; it can be the communication inside two elements. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0029] As Figure 1The utility model provides a kind of hierarchical alarm device based on intelligent monitoring disc of thermal power plant, including LC interface module, signal conversion module, STM host controller module and alarm light group.

[0030] The LC interface module of the utility model is connected with the intelligent monitoring disc system, is used to receive the running state information of each equipment of thermal power plant predicted by the intelligent monitoring disc system, and the running state information of each equipment is converted into light signal of different intensity, wherein the running state information of each equipment includes normal, general and fault, normal running state is converted into high-intensity light signal, general running state is converted into medium-intensity light signal, and fault running state is converted into low-intensity light signal.

[0031] It should be noted that the Ovation OPET multi-state recognition algorithm disclosed in the journal "Chen, J., Deng, X. Intelligent monitoring solution helps smart operation [J]. Automation Overview, 2023, 40 (9): 26-29" is used when the intelligent monitoring disc system predicts the running state information of each equipment of thermal power plant, and only the fault warning of the equipment is carried out in the document, and the corresponding adjustment is made according to the application requirement in the present application, which is used to predict the multiple running state information of each equipment, i.e. normal, general and fault. In addition, the Ovation OPET multi-state recognition algorithm can recognize the multiple running states of the equipment, including but not limited to normal, general and fault, and in actual application, it can be set by itself according to actual requirements.

[0032] In the present application, the LC interface module is Huawei SFP-GE-LX-SM1310 optical module.

[0033] In the present application, each equipment of thermal power plant includes coal mill, coal feeder, air preheater, primary air fan, air supply fan, induced draft fan, superheater, steam-water separator, coal economizer, condensate pump, feed water pump, condenser, circulating water pump, generator and steam turbine.

[0034] In the present application, normal means that the equipment is in normal running state; general means that the running state of the equipment has deviated from the normal state, but has not reached fault; and fault means that the equipment is currently in fault state and needs immediate repair.

[0035] It should be noted that the running state information of each equipment of thermal power plant listed in the present application can be set by itself according to actual requirements when applied. In addition, the intelligent monitoring disc system can not only be used to predict the running state information of each equipment of thermal power plant, but also be used to predict the running state information of each component of the equipment of thermal power plant, such as lubricating oil cavity.

[0036] The utility model relates to a signal conversion module, with LC interface module connection, receive each equipment's optical signal of LC interface module transmission and convert it into electric signal, wherein high intensity's optical signal conversion high flat electric signal, the optical signal of medium intensity conversion medium flat electric signal, low intensity's optical signal conversion low flat electric signal.

[0037] In the application, the signal conversion module is a photodiode.

[0038] The utility model relates to a STM master module, with signal conversion module connection, with each equipment's electric signal of signal conversion module transmission conversion voltage data, and with each equipment's voltage data and built -in voltage threshold value compare after, to alarm lamp group sends corresponding instruction with each equipment operating state, wherein voltage threshold value includes the lowest voltage threshold value A of fault operating state corresponds, the highest voltage threshold value B of fault operating state corresponds, the lowest voltage threshold value C of normal operating state corresponds and the highest voltage threshold value D of normal operating state corresponds, and A < B < C < D.

[0039] In the application, when A <= the voltage data of certain equipment <= B, the first instruction is sent to the operating state of the equipment by the STM master module.

[0040] In the application, when B < the voltage data of certain equipment <= C, the second instruction is sent to the operating state of the equipment by the STM master module.

[0041] In the application, when C < the voltage data of certain equipment <= D, the third instruction is sent to the operating state of the equipment by the STM master module.

[0042] Suppose fixed threshold A, B, C, D are 300V, 350V, 400V, 450V respectively, if the voltage data of certain equipment is 312V, then A <= the voltage data of the equipment <= B, at this time, the first instruction is sent to the operating state of the equipment by the STM master module, if the voltage data of certain equipment is 403V, then C < the voltage data of the equipment <= D, at this time, the second instruction is sent to the operating state of the equipment by the STM master module.

[0043] It should be noted that the threshold values A, B, C, and D are set according to actual needs. In addition, although the specific working principles and state representations of different devices may differ, the signals representing the running states of different devices are all sent by the intelligent monitoring system, so the running states of each device are consistent in terms of voltage level, that is, when the intelligent monitoring system outputs the running state of a certain device as normal, the LC interface module will convert it into a high-intensity light signal, the signal conversion module will convert the received high-intensity light signal into a high-level electrical signal, and then convert it into high-voltage data in the STM master module; when the intelligent monitoring system outputs the running state of a certain device as fault, the LC interface module will convert it into a low-intensity light signal, the signal conversion module will convert the received low-intensity light signal into a low-level electrical signal, and then convert it into low-voltage data in the STM master module.

[0044] In this application, the STM master module is an STM32L431RCT6 microcontroller, and the judgment program for comparing the voltage data of each device with the built-in voltage threshold is pre-set in the STM master module, and the corresponding instructions are set according to the judgment result.

[0045] The alarm light group disclosed in the present application is based on the instructions corresponding to the running states of each device sent by the STM master module, and different colored lights are turned on to wake up.

[0046] In this application, the alarm light group is composed of 15 alarm lights, including a coal mill alarm light, a coal feeder alarm light, an air preheater alarm light, a primary fan alarm light, a supply fan alarm light, an induced draft fan alarm light, an overheater alarm light, a steam-water separator alarm light, an economizer alarm light, a condensate pump alarm light, a feed pump alarm light, a condenser alarm light, a circulating water pump alarm light, a generator alarm light, and a steam turbine alarm light.

[0047] In this application, when each alarm light in the alarm light group receives the first instruction sent by the STM master module, the light color is red, indicating that the running state of the device is faulty; when each alarm light in the alarm light group receives the second instruction sent by the STM master module, the light color is yellow, indicating that the running state of the device is general; when each alarm light in the alarm light group receives the third instruction sent by the STM master module, the light color is green, indicating that the running state of the device is normal.

[0048] For example, for the running state of the coal mill, if the STM master module sends the first instruction, the light color of the coal mill alarm light is red at this time; if the STM master module sends the second instruction, the light color of the coal mill alarm light is yellow at this time; if the STM master module sends the third instruction, the light color of the coal mill alarm light is green at this time.

[0049] The utility model also includes signal transmission module, with STM host computer module and alarm lamp group connection, after receiving the control instruction that STM host computer module sent transmission to alarm lamp group.

[0050] In the application, the signal transmission module is composed of two 74HC595 chips, and each 74HC595 chip includes eight signal ports.

[0051] In the application, the signal transmission module includes a coal mill signal port, a coal feeder signal port, an air preheater signal port, a primary air fan signal port, a supply fan signal port, an induced draft fan signal port, a superheater signal port, a steam-water separator signal port, an economizer signal port, a condensate pump signal port, a feed water pump signal port, a condenser signal port, a circulating water pump signal port, a generator signal port, and a steam turbine signal port.

[0052] It should be noted that the number of 74HC595 chips in the signal transmission module is related to the number of devices in the thermal power plant monitored by the intelligent monitoring system. For example, in the embodiment of the application, the intelligent monitoring system monitors the running state of 15 devices. Since each 74HC595 chip includes eight signal ports, the signal transmission module in the utility model is composed of two 74HC595 chips. If the intelligent monitoring system monitors the running state of 20 devices, the signal transmission module is composed of three 74HC595 chips.

[0053] In the embodiment of the application, the coal mill alarm lamp is connected with the coal mill signal port, the STM master module transmits the running state of the coal mill to the coal mill alarm lamp through the coal mill signal port, the coal feeder alarm lamp is connected with the coal feeder signal port, the STM master module transmits the running state of the coal feeder to the coal feeder alarm lamp through the coal feeder signal port, the air preheater alarm lamp is connected with the air preheater signal port, the STM master module transmits the running state of the air preheater to the air preheater alarm lamp through the air preheater signal port, the primary air fan alarm lamp is connected with the primary air fan signal port, the STM master module transmits the running state of the primary air fan to the primary air fan alarm lamp through the primary air fan signal port, the air supply fan alarm lamp is connected with the air supply fan signal port, the STM master module transmits the running state of the air supply fan to the air supply fan alarm lamp through the air supply fan signal port, the induced draft fan alarm lamp is connected with the induced draft fan signal port, the STM master module transmits the running state of the induced draft fan to the induced draft fan alarm lamp through the induced draft fan signal port, the superheater alarm lamp is connected with the superheater signal port, the STM master module transmits the running state of the superheater to the superheater alarm lamp through the superheater signal port, the steam-water separator alarm lamp is connected with the steam-water separator signal port, the STM master module transmits the running state of the steam-water separator to the steam-water separator alarm lamp through the steam-water separator signal port, the economizer alarm lamp is connected with the economizer signal port, the STM master module transmits the running state of the economizer to the economizer alarm lamp through the economizer signal port, the condensate pump alarm lamp is connected with the condensate pump signal port, the STM master module transmits the running state of the condensate pump to the condensate pump alarm lamp through the condensate pump signal port, the feed water pump alarm lamp is connected with the feed water pump signal port, the STM master module transmits the running state of the feed water pump to the feed water pump alarm lamp through the feed water pump signal port, the condenser alarm lamp is connected with the condenser signal port, the STM master module transmits the running state of the condenser to the condenser alarm lamp through the condenser signal port, the circulating water pump alarm lamp is connected with the circulating water pump signal port, the STM master module transmits the running state of the circulating water pump to the circulating water pump alarm lamp through the circulating water pump signal port, the generator alarm lamp is connected with the generator signal port, the STM master module transmits the running state of the generator to the generator alarm lamp through the generator signal port, and the steam turbine alarm lamp is connected with the steam turbine signal port, the STM master module transmits the running state of the steam turbine to the steam turbine alarm lamp through the steam turbine signal port.

[0054] The utility model also includes data storage module, with STM master module connection, be used for storing voltage data of each equipment.

[0055] In the application, the voltage data of each device can be stored through the data storage module, so that the batch export of the operation state information of each device can be facilitated.

[0056] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A hierarchical alarm device based on intelligent monitoring of a thermal power plant, characterized in that, The application relates to a power plant intelligent monitoring system, which comprises an LC interface module, a signal conversion module, an STM main controller module and an alarm lamp group. The LC interface module is connected with an intelligent monitoring system and is used for receiving the running state information of each device in a power plant predicted by the intelligent monitoring system and converting the running state information of each device into light signals with different intensities, wherein the running state information of each device comprises normal, general and fault, the normal running state is converted into a high-intensity light signal, the general running state is converted into a medium-intensity light signal, and the fault running state is converted into a low-intensity light signal. The signal conversion module is connected with the LC interface module, receives the light signals of each device transmitted by the LC interface module and converts the light signals into electric signals, wherein the high-intensity light signal is converted into a high-level electric signal, the medium-intensity light signal is converted into a medium-level electric signal, and the low-intensity light signal is converted into a low-level electric signal. The STM main controller module is connected with the signal conversion module, converts the electric signals of each device transmitted by the signal conversion module into voltage data, compares the voltage data of each device with built-in voltage thresholds and sends instructions corresponding to the running states of each device to the alarm lamp group, wherein the voltage thresholds comprise a lowest voltage threshold A corresponding to the fault running state, a highest voltage threshold B corresponding to the fault running state, a lowest voltage threshold C corresponding to the normal running state and a highest voltage threshold D corresponding to the normal running state, and A < B < C < D. The alarm lamp group is based on the instructions corresponding to the running states of each device sent by the STM main controller module and turns on different color lights to warn.

2. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 1, characterized in that, The devices in the power plant comprise coal mills, coal feeders, air preheaters, primary air fans, air supply fans, induced draft fans, superheaters, steam-water separators, economizers, condensate water pumps, feed water pumps, condensers, circulating water pumps, generators and steam turbines.

3. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 1, characterized in that, When A <= the voltage data of a certain device <= B, the STM main controller module sends a first instruction for the running state of the device.

4. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 1, characterized in that, When B < the voltage data of a certain device <= C, the STM main controller module sends a second instruction for the running state of the device.

5. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 4, characterized in that, When C < the voltage data of a certain device <= D, the STM main controller module sends a third instruction for the running state of the device.

6. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 1, characterized in that, The application further comprises a signal transmission module connected with the STM main controller module and the alarm lamp group, which transmits the control instructions sent by the STM main controller module to the alarm lamp group.

7. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 1, characterized in that, The LC interface module is a Huawei SFP-GE-LX-SM1310 optical module, the signal conversion module is a photodiode, the STM main controller module is an STM32L431RCT6 microcontroller, the alarm lamp group is composed of a plurality of alarm lamps, and the signal transmission module is composed of a plurality of 74HC595 chips, each 74HC595 chip comprising eight signal ports.

8. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 1, characterized in that, The alarm lamp group comprises coal mill alarm lamps, coal feeder alarm lamps, air preheater alarm lamps, primary air fan alarm lamps, air supply fan alarm lamps, induced draft fan alarm lamps, superheater alarm lamps, steam-water separator alarm lamps, economizer alarm lamps, condensate water pump alarm lamps, feed water pump alarm lamps, condenser alarm lamps, circulating water pump alarm lamps, generator alarm lamps and steam turbine alarm lamps. The signal transmission module comprises a coal mill signal port, a coal feeder signal port, an air preheater signal port, a primary air fan signal port, a supply fan signal port, an induced draft fan signal port, a superheater signal port, a steam-water separator signal port, an economizer signal port, a condensate pump signal port, a feed water pump signal port, a condenser signal port, a circulating water pump signal port, a generator signal port and a steam turbine signal port. The coal mill alarm lamp is connected with the coal mill signal port, the coal feeder alarm lamp is connected with the coal feeder signal port, the air preheater alarm lamp is connected with the air preheater signal port, the primary air fan alarm lamp is connected with the primary air fan signal port, the supply fan alarm lamp is connected with the supply fan signal port, the induced draft fan alarm lamp is connected with the induced draft fan signal port, the superheater alarm lamp is connected with the superheater signal port, the steam-water separator alarm lamp is connected with the steam-water separator signal port, the economizer alarm lamp is connected with the economizer signal port, the condensate pump alarm lamp is connected with the condensate pump signal port, the feed water pump alarm lamp is connected with the feed water pump signal port, the condenser alarm lamp is connected with the condenser signal port, the circulating water pump alarm lamp is connected with the circulating water pump signal port, the generator alarm lamp is connected with the generator signal port, and the steam turbine alarm lamp is connected with the steam turbine signal port.

9. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 8, characterized in that, When each alarm lamp in the alarm lamp group receives a first instruction sent by the STM master module, the light color is red, indicating that the running state of the device is failure; when each alarm lamp in the alarm lamp group receives a second instruction sent by the STM master module, the light color is yellow, indicating that the running state of the device is general; when each alarm lamp in the alarm lamp group receives a third instruction sent by the STM master module, the light color is green, indicating that the running state of the device is normal.

10. The hierarchical alarm device based on intelligent monitoring panel of thermal power plant according to claim 1, characterized in that, The data storage module is connected with the STM master module and is used for storing voltage data of each device.

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