CN115601015A - Humidity monitoring and risk warning system for substation control cabinet based on digital twin - Google Patents

Abstract

The invention relates to a transformer substation control cabinet humidity monitoring and risk early warning system based on digital twins, which comprises a data acquisition module and a risk assessment module, wherein the data acquisition module comprises an in-cabinet humidity acquisition module and an out-cabinet humidity acquisition module, the in-cabinet humidity acquisition module is used for acquiring an in-cabinet humidity value of a transformer substation control cabinet, and the out-cabinet humidity acquisition module is used for acquiring an out-cabinet humidity value of the transformer substation control cabinet; the risk assessment module includes: a communication module; the parameter setting module is used for acquiring and setting the operation parameters of the whole system; the risk evaluation module is used for substituting the humidity value in the cabinet and the humidity value outside the cabinet into a risk evaluation model to simulate and calculate the humidity state, the dehumidifier state and the dehumidifier performance of the substation control cabinet; and the early warning feedback module is used for sending early warning information according to the calculation result of the risk assessment module. Compared with the prior art, the alarm device can flexibly give an alarm to workers, and has the advantages of low power consumption, wide coverage, high capacity, low cost and the like.

Description

Humidity monitoring and risk warning system for substation control cabinet based on digital twin

technical field

The invention relates to the technical field of humidity early warning for substation control cabinets, in particular to a digital twin-based humidity monitoring and risk early warning system for substation control cabinets.

Background technique

Wet substation control cabinets may cause short circuit, protection malfunction, refusal to operate, burn components, endanger equipment, power grid and personal safety. The main methods of early warning at present are: manual early warning method, and the operation duty personnel open the control cabinet during the inspection to check the humidity for dehumidification. The main problem of this method is that it is time-consuming, laborious and cannot detect hidden dangers in time, and there are the following risks and problems:

1) The excessive humidity of the control cabinet cannot be detected in time, which leads to the hidden danger of insulation reduction in other electrical devices in the cabinet, which in turn causes equipment short circuit and hidden dangers to personal safety.

2) The processing process is cumbersome, takes a lot of manpower and time, and has low work efficiency.

3) In order to prevent the dehumidifier from working all the time, causing the device to be burned due to overheating, a special person needs to squat to control the start and stop of the dehumidifier. At the same time, if the dehumidifier is not started and stopped in time due to the negligence of the guards, the dehumidifier still has the risk of burning out the dehumidifier due to its continuous operation.

Contents of the invention

The purpose of the present invention is to provide a humidity monitoring and risk early warning system for substation control cabinets based on digital twins in order to overcome the shortcomings of the above-mentioned prior art that the manual early warning method is time-consuming, laborious and unable to detect hidden dangers in time.

The purpose of the present invention can be achieved through the following technical solutions:

A digital twin-based humidity monitoring and risk warning system for substation control cabinets, including a data acquisition module and a risk assessment module, the data acquisition module includes a humidity acquisition module inside the cabinet and a humidity acquisition module outside the cabinet, the humidity inside the cabinet The collection module is used to collect the humidity value inside the cabinet of the substation control cabinet, and the humidity collection module outside the cabinet is used to collect the humidity value outside the cabinet of the substation control cabinet;

The risk assessment modules include:

The communication module is used to communicate with the data acquisition module to obtain the collected data information;

The parameter setting module is used to obtain and set the operating parameters of the entire system;

The risk assessment module is used to substitute the humidity value inside the cabinet and the humidity value outside the cabinet into a preset risk assessment model to simulate and calculate the humidity state, dehumidifier state and dehumidifier performance of the substation control cabinet;

The early warning feedback module is used to send early warning information according to the calculation results of the risk assessment module.

Further, the processing procedure of the risk assessment model includes:

Obtain the humidity value inside the cabinet and the humidity value outside the cabinet with the preset calculation cycle;

If the humidity value inside the cabinet is not lower than the preset start-up value of the dehumidifier, the dehumidifier is controlled to start, and the humidity change rate inside the cabinet and the humidity change rate outside the cabinet are calculated according to the humidity value inside the cabinet and the humidity outside the cabinet, so as to judge Control the working status of the dehumidifier in the cabinet, and judge whether there is an over-limit risk according to whether the humidity value in the cabinet reaches the preset early warning setting value.

Further, the calculation expression of the humidity change rate is:

为湿度变化率，

为T时刻的湿度值，

为T-△T时刻的湿度值，△T为时间间隔，以时间间隔△T为测算周期。In the formula,

is the humidity change rate,

is the humidity value at time T,

is the humidity value at time T-△T, △T is the time interval, and the time interval △T is the measurement cycle.

Further, the judgment process of the risk assessment model specifically includes:

S1: If the humidity value in the cabinet is not lower than the preset start-up value of the dehumidifier, control the start-up of the dehumidifier, and perform steps S2 and S3;

S2: If the humidity value in the cabinet is greater than the preset humidity exceeding threshold, a humidity exceeding alarm signal will be issued;

S3: Calculate the humidity change rate in the cabinet,

If the humidity change rate inside the cabinet is not lower than 0, and the humidity change rate outside the cabinet is lower than the humidity change rate inside the cabinet, the dehumidifier is in a non-working state, and a dehumidification device failure alarm signal is issued;

If the rate of change of humidity inside the cabinet is not lower than 0, and the rate of change of humidity outside the cabinet is higher than the rate of change of humidity inside the cabinet, the dehumidifier is in the working state, and an alarm signal of over-limit risk will be issued;

If the change rate of humidity inside the cabinet is less than 0, and the change rate of humidity outside the cabinet is less than 0, and the change rate of humidity outside the cabinet is higher than the change rate of humidity inside the cabinet, no alarm signal will be issued;

If the change rate of humidity inside the cabinet is less than 0, and the change rate of humidity outside the cabinet is less than 0, and the change rate of humidity outside the cabinet is lower than the change rate of humidity inside the cabinet, a dehumidifier failure warning signal will be issued.

Further, the processing procedure of the risk assessment model also includes:

If the humidity value in the cabinet is lower than the starting value of the dehumidifier, the dehumidifier is controlled to be turned off.

Further, the data acquisition module also includes an MCU microprocessor, a Lora communication module and a power supply module, the humidity acquisition module inside the cabinet and the humidity acquisition module outside the cabinet are both humidity sensors, and the MCU microprocessor is respectively connected to The humidity collection module in the cabinet, the humidity collection module outside the cabinet, the Lora communication module and the power supply module, the Lora communication module is connected to the communication module, and the MCU microprocessor passes the humidity collection module in the cabinet Collect humidity data with the humidity acquisition module outside the cabinet, convert the humidity data into digital signals, and send them to the risk assessment module through the Lora communication module.

Further, the power supply module is a lithium battery power supply module, which is used to convert the voltage of the lithium battery into the working voltage of the MCU.

Further, the data acquisition module also includes an LED indicator, which is connected to the MCU microprocessor and used to display the communication status.

Further, the dehumidifier is a heating device.

Further, the humidity collection module inside the cabinet is installed in the control cabinet of the substation, and the humidity collection module outside the cabinet is installed outside the control cabinet of the substation.

Compared with the prior art, the present invention has the following advantages:

(1) The present invention adopts the mode of a set of acquisition devices of a control box, can give each background data acquisition module numbering and the time interval of early warning humidity and sampling by the host computer server, and reduces the time interval of modifying the program for each data acquisition module separately steps, reflecting the efficiency and accuracy of the system.

(2) The present invention monitors data in real time through the acquisition module, uses Lora communication technology to transmit data, and the background system conducts risk assessment in time, and can more flexibly give alarms to staff. It has the advantages of low power consumption, wide coverage, large capacity, and low cost. , so that it can be widely used in a variety of vertical technologies, especially suitable for communication scenarios of remote monitoring.

(3) The data acquisition module of the present invention uses a self-powered lithium battery module to avoid cabinet wiring, thereby effectively preventing electric leakage safety accidents.

Description of drawings

Fig. 1 is a schematic frame diagram of a control cabinet humidity monitoring device provided in an embodiment of the present invention;

Fig. 2 is a schematic diagram of a humidity risk model provided in the embodiment of the present invention;

Fig. 3 is a schematic diagram of a control cabinet humidity monitoring and diagnosis process provided in an embodiment of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention.

It should be noted that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that a component is absolutely level or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

Example 1

This embodiment provides a digital twin-based humidity monitoring and risk warning system for substation control cabinets, including a data acquisition module and a risk assessment module. The data acquisition module includes a humidity acquisition module inside the cabinet and a humidity acquisition module outside the cabinet. The humidity inside the cabinet The collection module is used to collect the humidity value inside the substation control cabinet, and the humidity collection module outside the cabinet is used to collect the humidity value outside the cabinet of the substation control cabinet;

Risk assessment modules include:

The communication module is used to communicate with the data acquisition module to obtain the collected data information;

The parameter setting module is used to obtain and set the operating parameters of the entire system;

The risk assessment module is used to substitute the humidity value inside the cabinet and the humidity value outside the cabinet into the preset risk assessment model to simulate and calculate the humidity state, dehumidifier state and dehumidifier performance of the substation control cabinet;

The early warning feedback module is used to send early warning information according to the calculation results of the risk assessment module.

The humidity collection module inside the cabinet is installed in the control cabinet of the substation, and the humidity collection module outside the cabinet is installed outside the control cabinet of the substation.

In this embodiment, the specific processing process of the risk assessment module includes:

1. Parameter setting, set the monitoring frequency, humidity exceeding the warning value, dehumidifier self-starting value and other parameters in the background parameter setting module of the monitoring system, and the system will bring the relevant parameters into the risk assessment module for calculation;

2. Data acquisition. When the system receives the operation signal, it controls and starts the humidity acquisition module inside the cabinet and the humidity acquisition module outside the cabinet, and periodically records the humidity inside the cabinet and the humidity outside the cabinet.

3. Data interaction, according to the Lora communication technology to obtain the information monitored by the humidity acquisition module inside the cabinet and the humidity acquisition module outside the cabinet.

4. Risk assessment, bring the relevant parameters obtained in steps 1 and 3 and the monitored humidity information inside and outside the cabinet into the risk assessment model, and simulate and calculate the humidity state, dehumidifier state and dehumidifier performance.

5. Early warning feedback. According to the evaluation results of step 4, relevant early warning information is sent, including the speed of humidity increase, the risk of humidity exceeding the limit, the remaining time of humidity exceeding the limit, and whether the dehumidifier is working normally.

A detailed description is given below.

1. Data acquisition module

The data acquisition module also includes MCU microprocessor, Lora communication module and power supply module. Both the humidity acquisition module inside the cabinet and the humidity acquisition module outside the cabinet are humidity sensors. The MCU microprocessor is respectively connected to the humidity acquisition module inside the cabinet and the humidity acquisition module outside the cabinet Humidity acquisition module, Lora communication module and power supply module, the Lora communication module is connected to the communication module, the MCU microprocessor collects humidity data through the humidity acquisition module inside the cabinet and the humidity acquisition module outside the cabinet, and converts the humidity data into digital signals. Send it to the risk assessment module through the Lora communication module.

Preferably, the power supply module is a lithium battery power supply module, which is used to convert the voltage of the lithium battery into the working voltage of the MCU.

Preferably, the data acquisition module further includes an LED indicator, which is connected to the MCU microprocessor for displaying the communication status.

In this embodiment, the data acquisition module is mainly installed in the control cabinet, including LED indicators, MCU microprocessor, Lora communication module, sensors inside the cabinet, sensors outside the cabinet, and a lithium battery power supply module. The sensor outside the cabinet is installed outside the control cabinet, and the voltage of the lithium battery is converted into a voltage that can be used by the MCU through the lithium battery power supply module. The communication status is displayed by LED indicators. The humidity data is collected by the sensor, converted into a digital signal, and sent to the background through Lora communication technology. The device frame is shown in Figure 1. The dehumidifier can be a heating unit for dehumidifying the control cabinet.

2. The process of risk assessment model

The process of risk assessment model includes:

Obtain the humidity value inside the cabinet and the humidity value outside the cabinet with the preset calculation cycle;

If the humidity inside the cabinet is not lower than the preset start-up value of the dehumidifier, the dehumidifier will be controlled to start, and the humidity change rate in the cabinet and the humidity change rate outside the cabinet will be calculated according to the humidity value in the cabinet and the humidity outside the cabinet, so as to judge the temperature of the control cabinet. According to the working status of the dehumidifier in the cabinet, and according to whether the humidity value in the cabinet reaches the preset early warning setting value, it is judged whether there is a risk of exceeding the limit.

The risk assessment model process also includes:

If the humidity value in the cabinet is lower than the starting value of the dehumidifier, the dehumidifier is controlled to be turned off.

In this embodiment, the processing process of the risk assessment model is specifically:

内和外部环境的湿度值

外，若湿度值

内未达到除湿器启动值％RH1时，系统周期性循环监测控制柜内外实时湿度，当监测到控制柜对象的内部湿度大于等于加热装置设定的启动值％RH1时，监测系统根据式(1)分别计算监测控制柜对象的湿度变化率

内和外部环境的变化速率

外，根据得到的监测对象的湿度湿度变化率

内值，及其与外部环境湿度的变化速率

外的关系，判断控制柜内加热除湿设备的工作状态，同时结合监测对象的湿度是否超过预警设定值％RH2，给出诊断结果，风险模型如图2所示。Set the monitoring system to take the time interval △T (for example, 1 minute) as the calculation period, and obtain the humidity value of the monitoring object in real time

Humidity values for internal and external environments

In addition, if the humidity value

When the start-up value %RH1 of the dehumidifier is not reached, the system periodically monitors the real-time humidity inside and outside the control cabinet. When the monitored internal humidity of the control cabinet object is greater than or equal to the start-up value %RH1 set by the heating device, the monitoring system is based on the formula (1 ) respectively calculate the humidity change rate of the monitoring control cabinet object

The rate of change of the internal and external environment

In addition, according to the humidity change rate of the monitored object obtained

internal value, and its rate of change with the humidity of the external environment

To determine the working status of the heating and dehumidification equipment in the control cabinet, and at the same time combine whether the humidity of the monitored object exceeds the early warning set value %RH2, and give the diagnosis result. The risk model is shown in Figure 2.

The calculation expression of humidity change rate is:

为湿度变化率，

为T时刻的湿度值，

为T-△T时刻的湿度值，△T为时间间隔，以时间间隔△T为测算周期。In the formula,

is the humidity change rate,

is the humidity value at time T,

is the humidity value at time T-△T, △T is the time interval, and the time interval △T is the measurement period.

3. Judgment process of risk assessment model

The judgment process of the risk assessment model specifically includes:

S1: If the humidity value in the cabinet is not lower than the preset start-up value of the dehumidifier, control the start-up of the dehumidifier, and perform steps S2 and S3;

S2: If the humidity value in the cabinet is greater than the preset humidity exceeding threshold, a humidity exceeding alarm signal will be issued;

S3: Calculate the humidity change rate in the cabinet,

If the humidity change rate inside the cabinet is not lower than 0, and the humidity change rate outside the cabinet is lower than the humidity change rate inside the cabinet, the dehumidifier is in a non-working state, and a dehumidification device failure alarm signal is issued;

If the rate of change of humidity inside the cabinet is not lower than 0, and the rate of change of humidity outside the cabinet is higher than the rate of change of humidity inside the cabinet, the dehumidifier is in the working state, and an alarm signal of over-limit risk will be issued;

If the change rate of humidity inside the cabinet is less than 0, and the change rate of humidity outside the cabinet is less than 0, and the change rate of humidity outside the cabinet is higher than the change rate of humidity inside the cabinet, no alarm signal will be issued;

If the change rate of humidity inside the cabinet is less than 0, and the change rate of humidity outside the cabinet is less than 0, and the change rate of humidity outside the cabinet is lower than the change rate of humidity inside the cabinet, a dehumidifier failure warning signal will be issued.

In this embodiment, as shown in Figure 3, the judgment process of the risk assessment model is specifically:

1) If the measured humidity of the object in the monitoring control cabinet is not less than %RH2, the system will send out a humidity exceeding alarm signal.

2) If the measured humidity of the monitoring control cabinet object is less than %RH2, the following scenario system diagnosis rules:

且

说明除湿器处于非工作状态，未能启动，未能抑制监测控制柜对象的内部湿度的增大，发出除湿装置故障报警信号，存在湿度超标风险；① If the humidity change rate of the monitoring control cabinet object is greater than or equal to zero

and

It means that the dehumidifier is in a non-working state, fails to start, fails to suppress the increase of the internal humidity of the monitoring control cabinet object, sends a dehumidification device failure alarm signal, and there is a risk of humidity exceeding the standard;

且

说明控制柜除湿器在工作，但不能满足要求，未能有效抑制监测对象的内部湿度的增大，无论控制柜湿度是否超标，系统发出预警信号，警示存在超限的风险；② If the change rate of the monitoring control cabinet object is greater than or equal to zero

and

It means that the dehumidifier in the control cabinet is working, but it cannot meet the requirements and cannot effectively suppress the increase of the internal humidity of the monitored object. Regardless of whether the humidity in the control cabinet exceeds the standard, the system will send out an early warning signal to warn of the risk of exceeding the limit;

的情况，且

说明控制柜内部湿度下降速度大于外部湿度下降速度，除湿器工作状态正常，系统不发出报警信号；③ If the humidity change rate of the monitoring control cabinet object is less than zero

situation, and

It means that the humidity drop rate inside the control cabinet is greater than the drop rate of the external humidity, the dehumidifier is working normally, and the system does not send out an alarm signal;

的情况，且

说明控制柜内部湿度下降速度小于外部湿度下降速度，除湿器未能正常工作，系统发出除湿器故障预警信号。④ If the humidity change rate of the monitoring control cabinet object is less than zero

situation, and

It means that the humidity drop rate inside the control cabinet is lower than the drop rate of the external humidity, the dehumidifier fails to work normally, and the system sends out a dehumidifier failure warning signal.

The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art shall be within the scope of protection defined by the claims.

Claims (10)

1. A digital twin-based substation control cabinet humidity monitoring and risk early warning system, characterized in that it includes a data acquisition module and a risk assessment module, and the data acquisition module includes a humidity acquisition module in the cabinet and a humidity acquisition module outside the cabinet , the humidity collection module in the cabinet is used to collect the humidity value inside the cabinet of the substation control cabinet, and the humidity collection module outside the cabinet is used to collect the humidity value outside the cabinet of the substation control cabinet; The risk assessment modules include: The communication module is used to communicate with the data acquisition module to obtain the collected data information; The parameter setting module is used to obtain and set the operating parameters of the entire system; The risk assessment module is used to substitute the humidity value inside the cabinet and the humidity value outside the cabinet into a preset risk assessment model to simulate and calculate the humidity state, dehumidifier state and dehumidifier performance of the substation control cabinet; The early warning feedback module is used to send early warning information according to the calculation results of the risk assessment module. 2. A kind of substation control cabinet humidity monitoring and risk early warning system based on digital twin according to claim 1, is characterized in that, the processing procedure of described risk assessment model comprises: Obtain the humidity value inside the cabinet and the humidity value outside the cabinet with the preset calculation cycle; If the humidity value inside the cabinet is not lower than the preset start-up value of the dehumidifier, the dehumidifier is controlled to start, and the humidity change rate inside the cabinet and the humidity change rate outside the cabinet are calculated according to the humidity value inside the cabinet and the humidity outside the cabinet, so as to judge Control the working status of the dehumidifier in the cabinet, and judge whether there is a risk of overrun according to whether the humidity value in the cabinet reaches the preset early warning setting value. 3. A kind of digital twin-based substation control cabinet humidity monitoring and risk early warning system according to claim 2, characterized in that the calculation expression of the humidity change rate is:

In the formula,

is the humidity change rate,

is the humidity value at time T,

is the humidity value at time T-△T, △T is the time interval, and the time interval △T is the measurement cycle. 4. A kind of substation control cabinet humidity monitoring and risk early warning system based on digital twin according to claim 2, is characterized in that, the judgment process of described risk assessment model specifically comprises: S1: If the humidity value in the cabinet is not lower than the preset start-up value of the dehumidifier, control the start-up of the dehumidifier, and perform steps S2 and S3; S2: If the humidity value in the cabinet is greater than the preset humidity exceeding threshold, a humidity exceeding alarm signal will be issued; S3: Calculate the humidity change rate in the cabinet, If the humidity change rate inside the cabinet is not lower than 0, and the humidity change rate outside the cabinet is lower than the humidity change rate inside the cabinet, the dehumidifier is in a non-working state, and a dehumidification device failure alarm signal is issued; If the rate of change of humidity inside the cabinet is not lower than 0, and the rate of change of humidity outside the cabinet is higher than the rate of change of humidity inside the cabinet, the dehumidifier is in the working state, and an alarm signal of over-limit risk will be issued; If the change rate of humidity inside the cabinet is less than 0, and the change rate of humidity outside the cabinet is less than 0, and the change rate of humidity outside the cabinet is higher than the change rate of humidity inside the cabinet, no alarm signal will be issued; If the change rate of humidity inside the cabinet is less than 0, and the change rate of humidity outside the cabinet is less than 0, and the change rate of humidity outside the cabinet is lower than the change rate of humidity inside the cabinet, a dehumidifier failure warning signal will be issued. 5. A kind of substation control cabinet humidity monitoring and risk early warning system based on digital twin according to claim 2, is characterized in that, the processing procedure of described risk assessment model also comprises: If the humidity value in the cabinet is lower than the starting value of the dehumidifier, the dehumidifier is controlled to be turned off. 6. A kind of substation control cabinet humidity monitoring and risk early warning system based on digital twin according to claim 1, is characterized in that, described data acquisition module also comprises MCU microprocessor, Lora communication module and power supply module, described Both the humidity collection module inside the cabinet and the humidity collection module outside the cabinet are humidity sensors, and the MCU microprocessor is respectively connected to the humidity collection module inside the cabinet, the humidity collection module outside the cabinet, the Lora communication module and the power supply module. The Lora communication module is connected to the communication module, and the MCU microprocessor collects humidity data through the humidity acquisition module inside the cabinet and the humidity acquisition module outside the cabinet, converts the humidity data into digital signals, and sends them through the Lora communication module. to the risk assessment module. 7. A digital twin-based substation control cabinet humidity monitoring and risk warning system according to claim 6, wherein the power supply module is a lithium battery power supply module for converting the lithium battery voltage into an MCU operating voltage . 8. A kind of digital twin-based substation control cabinet humidity monitoring and risk early warning system according to claim 6, characterized in that, the data acquisition module also includes an LED indicator light, which is connected to the MCU microprocessor to display the communication status. 9. A digital twin-based substation control cabinet humidity monitoring and risk warning system according to claim 1, wherein the dehumidifier is a heating device. 10. A digital twin-based substation control cabinet humidity monitoring and risk early warning system according to claim 1, characterized in that the humidity acquisition module in the cabinet is installed in the substation control cabinet, and the humidity outside the cabinet is collected The modules are installed outside the substation control cabinet.

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