CN106595814A - Water level remote monitoring method and water level remote monitoring system - Google Patents

Abstract

This application discloses a remote monitoring method and system for water level. The method and system are applied to unattended power facilities, specifically to detect the water level at a preset position in the power facility to obtain a water level signal reflecting the water level; The signal is converted to obtain the water level value reflecting the water level. When the water level value exceeds the preset water level threshold, the water level alarm information is output; finally, the water level alarm information is sent to the operation and maintenance personnel. Through this technical solution, the operation and maintenance personnel can obtain the water level alarm signal in time when the water level exceeds the preset threshold, so as to take effective measures to deal with it in time, so as to avoid the occurrence of power outage accidents caused by excessive water accumulation.

Description

A remote monitoring method and system for water level

technical field

The present application relates to the field of electric power technology, and more specifically, to a method and system for remote monitoring of water level.

Background technique

As a high-voltage power facility, substations must be well insulated and waterlogged. For monsoon climate zones, precipitation is often concentrated in summer and autumn. Sudden heavy rains will cause water accumulation in cable trenches and other facilities in substations. For unmanned substations and unmanned switch stations, due to unattended, it is impossible to check the water level in time, which may cause power outages due to excessive water accumulation.

Contents of the invention

In view of this, the present application provides a water level remote monitoring method and system for monitoring the water level in unattended power facilities, so as to avoid power outage accidents caused by excessive water accumulation.

In order to achieve the above purpose, the proposed scheme is as follows:

A water level remote monitoring method applied to unattended power facilities, the remote monitoring method specifically includes steps:

Detecting the water level at a preset position in the power facility to obtain a water level signal reflecting the water level;

converting the water level signal to obtain a water level value reflecting the water level, and outputting water level alarm information when the water level value exceeds a preset water level threshold;

Send the water level alarm information to the operation and maintenance personnel.

Optionally, the detection of the water level at a preset position in the electric facility to obtain a water level signal reflecting the water level includes:

Detecting the water level to obtain the water level signal in the form of current;

performing current/voltage signal conversion on the water level signal to obtain the water level signal in voltage form;

The water level signal in voltage form is filtered and amplified.

Optionally, the sending the water level alarm information to the operation and maintenance personnel includes:

Using a wireless communication method, the water level alarm information is sent to the mobile device of the operation and maintenance personnel.

Optionally, also include the steps:

Store the water level value.

Optionally, also include the steps:

Display the water level value locally.

A remote monitoring system for water level, applied to unattended power facilities, the remote monitoring system includes:

A water level detection module, configured to detect the water level at a preset position in the power facility, and obtain a water level signal reflecting the water level;

A signal processing module connected to the water level detection circuit, configured to convert the water level signal to obtain a water level value reflecting the water level, and output a water level alarm message when the water level value exceeds a preset water level threshold;

The alarm information sending module connected with the signal processing module is used to send the water level alarm information to operation and maintenance personnel.

Optionally, the water level detection module includes:

a liquid level sensor, configured to detect the water level and obtain the water level signal in the form of current;

A current/voltage conversion circuit connected to the liquid level sensor, configured to perform current/voltage signal conversion on the water level signal to obtain the water level signal in voltage form;

The amplification and filtering circuit connected with the liquid level sensor is used for filtering and amplifying the water level signal in the form of voltage.

Optionally, the alarm information sending module includes:

The wireless communication unit is used to send the water level alarm information to the mobile device of the operation and maintenance personnel by means of wireless communication.

Optionally, also include:

The data storage module connected with the signal processing module is used for storing the water level value.

Optionally, also include:

The display module connected with the signal processing module is used for displaying the water level value locally.

It can be seen from the above technical solution that the present application discloses a method and system for remote monitoring of water level. The method and system are applied to unattended power facilities, specifically to detect the water level at a preset position in the power facility. Obtain the water level signal reflecting the water level; convert the water level signal to obtain the water level value reflecting the water level, when the water level value exceeds the preset water level threshold, output the water level alarm information; finally, send the water level alarm information to the operation and maintenance personnel. Through this technical solution, the operation and maintenance personnel can obtain the water level alarm signal in time when the water level exceeds the preset threshold, so as to take effective measures to deal with it in time, so as to avoid the occurrence of power outage accidents caused by excessive water accumulation.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a flow chart of the steps of an embodiment of a remote monitoring method for water level provided by the present application;

Fig. 2 is a flow chart of the steps of another embodiment of the remote monitoring method for water level provided by the present application;

FIG. 3 is a flow chart of the steps of another embodiment of a remote monitoring method for water level provided by the present application;

Fig. 4 is the structural block diagram of the remote monitoring system embodiment of a kind of water level provided by the present application;

Fig. 5 is a structural block diagram of another water level remote monitoring system embodiment provided by the present application;

Fig. 6 is a structural block diagram of another embodiment of a water level remote monitoring system provided by the present application.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

Embodiment one

Fig. 1 is a flow chart of the steps of an embodiment of a remote monitoring method for water level provided by the present application.

As shown in Figure 1, the remote monitoring method provided by this embodiment is applied to unattended power facilities, such as unmanned substations, unmanned switch stations, etc., for monitoring the water level of accumulated water in the power facilities, specifically including Follow the steps below:

S101: Detect the water level in the power facility to obtain a water level signal;

That is to detect the water level of the accumulated water at the preset position in power facilities such as unmanned substations or unmanned switch stations. The detection point is not limited to one. By detecting the water level of the accumulated water, a water level signal reflecting the water level is obtained. What is described here is to detect the water level of the accumulated water. In fact, this description is also meaningful when there is no accumulated water. At this time, it can be regarded as the water level of the accumulated water is zero. This state is also a state for power facilities. A safe state, no need to call the police.

The specific process of detecting the water level is as follows:

Firstly, the water level of the accumulated water is detected by a liquid level sensor, and a water level signal showing the water level is obtained, and the water level signal is a current signal.

At present, the main liquid level sensors for measuring water level include float type liquid level sensor, liquid level tracking sensor, ultrasonic liquid level sensor, radar laser liquid level sensor, pressure liquid level sensor and so on. This application prefers the magnetic float type liquid level sensor, which has the characteristics of high precision, good reliability, fast response speed, stable performance, etc., and is simple in structure, easy to install, use and maintain, and is a new generation of liquid level detection and control The instrument has strong anti-interference ability and is suitable for long-distance signal transmission.

In specific implementation, BPY800 can be selected as the liquid level sensor. BPY800 adopts advanced technologies and processes such as diffused silicon, laser correction, temperature compensation, analog signal, digital circuit processing, etc., and has been widely used in petroleum, chemical industry, water conservancy, environmental protection, metallurgy, pharmaceutical, electric power, light industry and other fields to realize liquid Level measurement and control.

Then, the above-mentioned water level signal is converted into a voltage signal. During specific conversion, the current can be converted into a voltage through a voltage dividing resistor, thereby obtaining a water level signal in the form of voltage.

Finally, filtering the water level signal in the form of voltage can avoid the negative impact of clutter on signal processing; further, in order to avoid the signal strength being too small to affect its digital-to-analog conversion, the water level signal is also amplified.

S102: Obtain a water level value according to the water level signal, and output water level alarm information according to the water level value.

After the above water level signal is obtained, the water level signal is digital-to-analog converted to obtain the water level value reflecting the water level; then the water level value is compared with the preset water level threshold value, and when the water level value reaches or exceeds the water level threshold value, the output Corresponding water level alarm information, the water level alarm information includes danger prompt information and water level value, and may also include how much the water level value exceeds the water level threshold.

The water level threshold is a dangerous limit value. When the water level is lower than the water level threshold, it means that there is no water accumulation or less water accumulation will not cause harm to the power facilities. If it is higher than the water level threshold, it indicates that the water accumulation is about to or is doing If it causes harm, it needs to be disposed of in time to discharge the accumulated water.

S103: Send the water level alarm information to the operation and maintenance personnel.

After the water level exceeds the water level threshold and the water level alarm signal is output, the water level alarm signal is sent to the operation and maintenance personnel in time, so that the operation and maintenance personnel can learn this information in time, so that they can take corresponding actions in time according to the information Disposal measures, such as remote control of water pumps to speed up pumping water or on-site intervention, etc., to avoid damage to electrical equipment caused by long-term high water levels.

In the form of sending the water level alarm information to the operation and maintenance personnel, the water level alarm information can be sent to the mobile device of the operation and maintenance personnel in a wireless communication manner using GSM signals. Due to the characteristics of the GSM network, the method can realize distributed monitoring of different power facilities.

It can be seen from the above technical solution that this embodiment provides a remote monitoring method for water level, which is applied to unattended power facilities, specifically to detect the water level at a preset position in the power facility, and obtain the water level Water level signal; convert the water level signal to obtain the water level value reflecting the water level. When the water level value exceeds the preset water level threshold, output the water level alarm information; finally, send the water level alarm information to the operation and maintenance personnel. Through this technical solution, the operation and maintenance personnel can obtain the water level alarm signal in time when the water level exceeds the preset threshold, so as to take effective measures to deal with it in time, so as to avoid the occurrence of power outage accidents caused by excessive water accumulation.

Embodiment two

Fig. 2 is a flow chart of the steps of another embodiment of the remote monitoring method for water level provided by the present application.

As shown in Figure 2, the remote monitoring method provided by this embodiment is applied to unattended power facilities, such as unmanned substations, unmanned switch stations, etc., for monitoring the water level of accumulated water in the power facilities, specifically including Follow the steps below:

S201: Detect the water level in the power facility to obtain a water level signal;

That is to detect the water level of the accumulated water at the preset position in power facilities such as unmanned substations or unmanned switch stations. The detection point is not limited to one. By detecting the water level of the accumulated water, a water level signal reflecting the water level is obtained. What is described here is to detect the water level of the accumulated water. In fact, this description is also meaningful when there is no accumulated water. At this time, it can be regarded as the water level of the accumulated water is zero. This state is also a state for power facilities. A safe state, no need to call the police.

The specific process of detecting the water level is as follows:

Firstly, the water level of the accumulated water is detected by a liquid level sensor, and a water level signal showing the water level is obtained, and the water level signal is a current signal.

At present, the main liquid level sensors for measuring water level include float type liquid level sensor, liquid level tracking sensor, ultrasonic liquid level sensor, radar laser liquid level sensor, pressure liquid level sensor and so on. This application prefers the magnetic float type liquid level sensor, which has the characteristics of high precision, good reliability, fast response speed, stable performance, etc., and is simple in structure, easy to install, use and maintain, and is a new generation of liquid level detection and control The instrument has strong anti-interference ability and is suitable for long-distance signal transmission.

In specific implementation, BPY800 can be selected as the liquid level sensor. BPY800 adopts advanced technologies and processes such as diffused silicon, laser correction, temperature compensation, analog signal, digital circuit processing, etc., and has been widely used in petroleum, chemical industry, water conservancy, environmental protection, metallurgy, pharmaceutical, electric power, light industry and other fields to realize liquid Level measurement and control.

Then, the above-mentioned water level signal is converted into a voltage signal. During specific conversion, the current can be converted into a voltage through a voltage dividing resistor, thereby obtaining a water level signal in the form of voltage.

Finally, filtering the water level signal in the form of voltage can avoid the negative impact of clutter on signal processing; further, in order to avoid the signal strength being too small to affect its digital-to-analog conversion, the water level signal is also amplified.

S202: Obtain a water level value according to the water level signal, and output water level alarm information according to the water level value.

After the above water level signal is obtained, the water level signal is digital-to-analog converted to obtain the water level value reflecting the water level; then the water level value is compared with the preset water level threshold value, and when the water level value reaches or exceeds the water level threshold value, the output Corresponding water level alarm information, the water level alarm information includes danger prompt information and water level value, and may also include how much the water level value exceeds the water level threshold.

The water level threshold is a dangerous limit value. When the water level is lower than the water level threshold, it means that there is no water accumulation or less water accumulation will not cause harm to the power facilities. If it is higher than the water level threshold, it indicates that the water accumulation is about to or is doing If it causes harm, it needs to be disposed of in time to discharge the accumulated water.

S203: Send the water level alarm information to the operation and maintenance personnel.

After the water level exceeds the water level threshold and the water level alarm signal is output, the water level alarm signal is sent to the operation and maintenance personnel in time, so that the operation and maintenance personnel can learn this information in time, so that they can take corresponding actions in time according to the information Disposal measures, such as remote control of water pumps to speed up pumping water or on-site intervention, etc., to avoid damage to electrical equipment caused by long-term high water levels.

In the form of sending the water level alarm information to the operation and maintenance personnel, the water level alarm information can be sent to the mobile device of the operation and maintenance personnel in a wireless communication manner using GSM signals. Due to the characteristics of the GSM network, the method can realize distributed monitoring of different power facilities.

S204: Store the water level value.

When the above-mentioned water level value is obtained each time, use the corresponding storage device, such as mobile hard disk, U disk and other mobile devices to store, or upload the water level value to the corresponding server, and store the water level value in the above-mentioned different ways, so that Provide data basis for subsequent operation and maintenance and design of other electrical facilities.

It can be seen from the above technical solution that this embodiment provides another remote monitoring method for water level, which is applied to unattended power facilities, specifically to detect the water level at a preset position in the power facility, and obtain the reflected water level The water level signal; the water level signal is converted to obtain the water level value reflecting the water level. When the water level value exceeds the preset water level threshold, the water level alarm information is output; finally, the water level alarm information is sent to the operation and maintenance personnel. Through this technical solution, the operation and maintenance personnel can obtain the water level alarm signal in time when the water level exceeds the preset threshold, so as to take effective measures to deal with it in time, so as to avoid the occurrence of power outage accidents caused by excessive water accumulation.

Moreover, by storing the obtained water level value, data basis is provided for subsequent operation and maintenance or design of other electrical facilities.

Embodiment three

Fig. 3 is a flow chart of the steps of another embodiment of the remote monitoring method for water level provided by the present application.

As shown in Figure 3, the remote monitoring method provided by this embodiment is applied to unattended power facilities, such as unmanned substations, unmanned switch stations, etc., for monitoring the water level of accumulated water in the power facilities, specifically including Follow the steps below:

S301: Detect the water level in the power facility to obtain a water level signal;

That is to detect the water level of the accumulated water at the preset position in power facilities such as unmanned substations or unmanned switch stations. The detection point is not limited to one. By detecting the water level of the accumulated water, a water level signal reflecting the water level is obtained. What is described here is to detect the water level of the accumulated water. In fact, this description is also meaningful when there is no accumulated water. At this time, it can be regarded as the water level of the accumulated water is zero. This state is also a state for power facilities. A safe state, no need to call the police.

The specific process of detecting the water level is as follows:

Firstly, the water level of the accumulated water is detected by a liquid level sensor, and a water level signal showing the water level is obtained, and the water level signal is a current signal.

At present, the main liquid level sensors for measuring water level include float type liquid level sensor, liquid level tracking sensor, ultrasonic liquid level sensor, radar laser liquid level sensor, pressure liquid level sensor and so on. This application prefers the magnetic float type liquid level sensor, which has the characteristics of high precision, good reliability, fast response speed, stable performance, etc., and is simple in structure, easy to install, use and maintain, and is a new generation of liquid level detection and control The instrument has strong anti-interference ability and is suitable for long-distance signal transmission.

In specific implementation, BPY800 can be selected as the liquid level sensor. BPY800 adopts advanced technologies and processes such as diffused silicon, laser correction, temperature compensation, analog signal, digital circuit processing, etc., and has been widely used in petroleum, chemical industry, water conservancy, environmental protection, metallurgy, pharmaceutical, electric power, light industry and other fields to realize liquid Level measurement and control.

Then, the above-mentioned water level signal is converted into a voltage signal. During specific conversion, the current can be converted into a voltage through a voltage dividing resistor, thereby obtaining a water level signal in the form of voltage.

Finally, filtering the water level signal in the form of voltage can avoid the negative impact of clutter on signal processing; further, in order to avoid the signal strength being too small to affect its digital-to-analog conversion, the water level signal is also amplified.

S302: Obtain a water level value according to the water level signal, and output water level alarm information according to the water level value.

After the above water level signal is obtained, the water level signal is digital-to-analog converted to obtain the water level value reflecting the water level; then the water level value is compared with the preset water level threshold value, and when the water level value reaches or exceeds the water level threshold value, the output Corresponding water level alarm information, the water level alarm information includes danger prompt information and water level value, and may also include how much the water level value exceeds the water level threshold.

The water level threshold is a dangerous limit value. When the water level is lower than the water level threshold, it means that there is no water accumulation or less water accumulation will not cause harm to the power facilities. If it is higher than the water level threshold, it indicates that the water accumulation is about to or is doing If it causes harm, it needs to be disposed of in time to discharge the accumulated water.

S303: Send the water level alarm information to the operation and maintenance personnel.

After the water level exceeds the water level threshold and the water level alarm signal is output, the water level alarm signal is sent to the operation and maintenance personnel in time, so that the operation and maintenance personnel can learn this information in time, so that they can take corresponding actions in time according to the information Disposal measures, such as remote control of water pumps to speed up pumping water or on-site intervention, etc., to avoid damage to electrical equipment caused by long-term high water levels.

In the form of sending the water level alarm information to the operation and maintenance personnel, the water level alarm information can be sent to the mobile device of the operation and maintenance personnel in a wireless communication manner using GSM signals. Due to the characteristics of the GSM network, the method can realize distributed monitoring of different power facilities.

S304: Store the water level value.

When the above-mentioned water level value is obtained each time, use the corresponding storage device, such as mobile hard disk, U disk and other mobile devices to store, or upload the water level value to the corresponding server, and store the water level value in the above-mentioned different ways, so that Provide data basis for subsequent operation and maintenance and design of other electrical facilities.

S305: Locally display the water level value.

While obtaining the above-mentioned water level value, by setting a display device locally, such as a liquid crystal display to display the above-mentioned water level value, not only can the operation and maintenance personnel located in the remote place receive the corresponding water level alarm information, but also enable the local patrol personnel The water level value can be known in time without the need for field measurement.

It can be seen from the above technical solution that this embodiment provides another remote monitoring method for water level, which is applied to unattended power facilities, specifically to detect the water level at a preset position in the power facility, and obtain the reflected water level The water level signal; the water level signal is converted to obtain the water level value reflecting the water level. When the water level value exceeds the preset water level threshold, the water level alarm information is output; finally, the water level alarm information is sent to the operation and maintenance personnel. Through this technical solution, the operation and maintenance personnel can obtain the water level alarm signal in time when the water level exceeds the preset threshold, so as to take effective measures to deal with it in time, so as to avoid the occurrence of power outage accidents caused by excessive water accumulation.

Moreover, by storing the obtained water level value, data basis is provided for subsequent operation and maintenance or design of other electrical facilities.

Embodiment four

Fig. 4 is a structural block diagram of an embodiment of a water level remote monitoring system provided by the present application.

As shown in Figure 4, the remote monitoring system provided by this embodiment is applied to unattended power facilities, such as unmanned substations, unmanned switch stations, etc., for monitoring the water level of accumulated water in power facilities, specifically including The water level monitoring module 10 , the signal processing module 20 , and the alarm information sending module 30 , and the signal processing module 20 are respectively connected with the water level monitoring module 10 and the alarm information sending module 30 .

The water level monitoring module 10 is used to detect the water level in the power facility to obtain a water level signal;

That is to detect the water level of the accumulated water at the preset position in power facilities such as unmanned substations or unmanned switch stations. The detection point is not limited to one. By detecting the water level of the accumulated water, a water level signal reflecting the water level is obtained. What is described here is to detect the water level of the accumulated water. In fact, this description is also meaningful when there is no accumulated water. At this time, it can be regarded as the water level of the accumulated water is zero. This state is also a state for power facilities. A safe state, no need to call the police.

The water level monitoring module 10 specifically includes a liquid level sensor 11 , a current/voltage conversion circuit 12 and an amplification and filtering circuit 13 .

The liquid level sensor 11 is used for detecting the water level of accumulated water, and obtains a water level signal showing the water level, and the water level signal is a current signal.

At present, the main liquid level sensors for measuring water level include float type liquid level sensor, liquid level tracking sensor, ultrasonic liquid level sensor, radar laser liquid level sensor, pressure liquid level sensor and so on. This application prefers the magnetic float type liquid level sensor, which has the characteristics of high precision, good reliability, fast response speed, stable performance, etc., and is simple in structure, easy to install, use and maintain, and is a new generation of liquid level detection and control The instrument has strong anti-interference ability and is suitable for long-distance signal transmission.

In specific implementation, BPY800 can be selected as the liquid level sensor. BPY800 adopts advanced technologies and processes such as diffused silicon, laser correction, temperature compensation, analog signal, digital circuit processing, etc., and has been widely used in petroleum, chemical industry, water conservancy, environmental protection, metallurgy, pharmaceutical, electric power, light industry and other fields to realize liquid Level measurement and control.

The current/voltage conversion circuit 12 is connected with the liquid level sensor 11, and is used to convert the water level signal obtained by the liquid level sensor 12 into a voltage signal. During the specific conversion, the current can be converted into a voltage through a voltage dividing resistor, so as to obtain a voltage signal in the form of voltage. water level signal.

The amplification and filtering circuit 13 is connected with the current/voltage conversion circuit 12, and is used for filtering the water level signal in the form of voltage, which can avoid the negative impact of clutter on signal processing; further, in order to avoid the signal strength being too small to affect its Perform digital-to-analog conversion and amplify the water level signal.

The signal processing module 20 is used to process the water level signal obtained by the water level detection module 10 to obtain a water level value corresponding to the water level signal, and output water level alarm information according to the water level value.

Specifically, after obtaining the above-mentioned water level signal, use the corresponding analog-to-digital conversion circuit to perform digital-to-analog conversion on the water level signal, so as to obtain the water level value reflecting the water level; then use the corresponding comparison circuit to compare the water level value with the preset water level threshold. In comparison, when the water level reaches or exceeds the water level threshold, corresponding water level alarm information is output, and the water level alarm information includes danger warning information and the water level value, and may also include how much the water level value exceeds the water level threshold.

The water level threshold is a dangerous limit value. When the water level is lower than the water level threshold, it means that there is no water accumulation or less water accumulation will not cause harm to the power facilities. If it is higher than the water level threshold, it indicates that the water accumulation is about to or is doing If it causes harm, it needs to be disposed of in time to discharge the accumulated water.

STM32 is selected as the signal processing module 20. STM32 has powerful processing capability, stable system operation, rich on-chip peripheral modules, convenient and efficient development environment, and adapts to industrial-grade operating environment. Its outstanding advantages are low power supply voltage, low power consumption, and high performance-price ratio, which is very suitable for applications in various occasions with low power consumption requirements.

The alarm information sending module 30 is used for sending the water level alarm information to operation and maintenance personnel.

After the water level exceeds the water level threshold and the water level alarm signal is output, the water level alarm signal is sent to the operation and maintenance personnel in time, so that the operation and maintenance personnel can learn this information in time, so that they can take corresponding actions in time according to the information Disposal measures, such as remote control of water pumps to speed up pumping water or on-site intervention, etc., to avoid damage to electrical equipment caused by long-term high water levels.

The alarm information sending module 30 includes a wireless communication unit 31, and the wireless communication unit 31 is preferably a SIM900A module. The SIM900A module is a new generation of wireless communication GSM module, with its own RS-232 communication interface, which can easily communicate with PCs and single-chip microcomputers, and can quickly, safely and reliably realize data, voice transmission and short message services in the system solution (Short Message Service) and fax. The operating voltage of the SIM900A module is 3.3-5.5V, and it can work in two frequency bands of 900MHz and 1800MHz, and the power consumption of the frequency bands is 2w (900M) and 1w (1800M) respectively. Due to the characteristics of the GSM network, the method can realize distributed monitoring of different power facilities.

It can be seen from the above technical solution that this embodiment provides a remote monitoring system for water level, which is applied to unattended power facilities, specifically to detect the water level at a preset position in the power facility, and obtain the water level Water level signal; convert the water level signal to obtain the water level value reflecting the water level. When the water level value exceeds the preset water level threshold, output the water level alarm information; finally, send the water level alarm information to the operation and maintenance personnel. Through this technical solution, the operation and maintenance personnel can obtain the water level alarm signal in time when the water level exceeds the preset threshold, so as to take effective measures to deal with it in time, so as to avoid the occurrence of power outage accidents caused by excessive water accumulation.

Embodiment five

Fig. 5 is a structural block diagram of another embodiment of a water level remote monitoring system provided by the present application.

As shown in FIG. 5 , the remote monitoring system provided by this embodiment adds a data storage module 40 on the basis of the previous embodiment.

The data storage module 40 is connected with the signal processing module 20, and is used for acquiring the water level value obtained by the signal processing module 20 and storing the water level value.

When the above-mentioned water level value is obtained each time, use the corresponding storage device, such as mobile hard disk, U disk and other mobile devices to store, or upload the water level value to the corresponding server, and store the water level value in the above-mentioned different ways, so that Provide data basis for subsequent operation and maintenance and design of other electrical facilities.

It can be seen from the above technical solution that this embodiment provides another remote monitoring system for water level. The water level signal; the water level signal is converted to obtain the water level value reflecting the water level. When the water level value exceeds the preset water level threshold, the water level alarm information is output; finally, the water level alarm information is sent to the operation and maintenance personnel. Through this technical solution, the operation and maintenance personnel can obtain the water level alarm signal in time when the water level exceeds the preset threshold, so as to take effective measures to deal with it in time, so as to avoid the occurrence of power outage accidents caused by excessive water accumulation.

Moreover, by storing the obtained water level value, data basis is provided for subsequent operation and maintenance or design of other electrical facilities.

Embodiment six

Fig. 6 is a structural block diagram of another embodiment of a water level remote monitoring system provided by the present application.

As shown in FIG. 6 , the remote monitoring system provided by this embodiment is based on the previous embodiment with an additional display module 50 .

The display module 50 is connected with the signal processing module 20, and is used for obtaining the water level value obtained by the signal processing module 20 and displaying the water level value locally.

While obtaining the above-mentioned water level value, by setting a display device locally, such as a liquid crystal display to display the above-mentioned water level value, not only can the operation and maintenance personnel located in the remote place receive the corresponding water level alarm information, but also enable the local patrol personnel The water level value can be known in time without the need for field measurement.

It can be seen from the above technical solution that this embodiment provides another remote monitoring method for water level, which is applied to unattended power facilities, specifically to detect the water level at a preset position in the power facility, and obtain the reflected water level The water level signal; the water level signal is converted to obtain the water level value reflecting the water level. When the water level value exceeds the preset water level threshold, the water level alarm information is output; finally, the water level alarm information is sent to the operation and maintenance personnel. Through this technical solution, the operation and maintenance personnel can obtain the water level alarm signal in time when the water level exceeds the preset threshold, so as to take effective measures to deal with it in time, so as to avoid the occurrence of power outage accidents caused by excessive water accumulation.

Moreover, by storing the obtained water level value, data basis is provided for subsequent operation and maintenance or design of other electrical facilities.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A remote monitoring method of water level, applied to unattended power facilities, characterized in that, the remote monitoring method specifically comprises the steps: Detecting the water level at a preset position in the power facility to obtain a water level signal reflecting the water level; converting the water level signal to obtain a water level value reflecting the water level, and outputting water level alarm information when the water level value exceeds a preset water level threshold; Send the water level alarm information to the operation and maintenance personnel. 2. The remote monitoring method according to claim 1, wherein said detecting the water level at a preset position in said power facility to obtain a water level signal reflecting said water level comprises: Detecting the water level to obtain the water level signal in the form of current; performing current/voltage signal conversion on the water level signal to obtain the water level signal in voltage form; The water level signal in voltage form is filtered and amplified. 3. The remote monitoring method according to claim 1, wherein the sending the water level alarm information to operation and maintenance personnel comprises: Using a wireless communication method, the water level alarm information is sent to the mobile device of the operation and maintenance personnel. 4. The remote monitoring method according to any one of claims 1 to 3, further comprising the steps of: Store the water level value. 5. The remote monitoring method according to claim 4, further comprising the steps of: Display the water level value locally. 6. A remote monitoring system for water level, applied to unattended power facilities, characterized in that the remote monitoring system includes: A water level detection module, configured to detect the water level at a preset position in the power facility, and obtain a water level signal reflecting the water level; A signal processing module connected to the water level detection circuit, configured to convert the water level signal to obtain a water level value reflecting the water level, and output a water level alarm message when the water level value exceeds a preset water level threshold; The alarm information sending module connected with the signal processing module is used to send the water level alarm information to operation and maintenance personnel. 7. The remote monitoring system according to claim 6, wherein the water level detection module comprises: a liquid level sensor, configured to detect the water level and obtain the water level signal in the form of current; A current/voltage conversion circuit connected to the liquid level sensor, configured to perform current/voltage signal conversion on the water level signal to obtain the water level signal in voltage form; The amplification and filtering circuit connected with the liquid level sensor is used for filtering and amplifying the water level signal in the form of voltage. 8. The remote monitoring system according to claim 6, wherein the alarm information sending module comprises: The wireless communication unit is used to send the water level alarm information to the mobile device of the operation and maintenance personnel by means of wireless communication. 9. The remote monitoring system according to any one of claims 6-8, further comprising: The data storage module connected with the signal processing module is used for storing the water level value. 10. The remote monitoring system according to claim 9, further comprising: The display module connected with the signal processing module is used for displaying the water level value locally.