A system, method, and medium for monitoring conditions within a liquid storage tank

Abstract

This application provides a monitoring system and method based on the state inside a liquid storage tank. The system includes: multiple sensing components disposed at different locations inside the liquid storage tank, each sensing component forming a data acquisition network to package and upload the collected data; a main control component that receives the data uploaded from the data acquisition network and converts it into monitoring data packets; and a remote terminal that receives the monitoring data packets to identify abnormal states inside the liquid storage tank, and interacts with the main control component to execute corresponding anomaly handling strategies when an abnormal state is detected. This application uses a wireless ad hoc network for data acquisition, which can promptly detect sensor anomalies, improve anomaly response speed, and ensure the effectiveness of monitoring.

Description

Technical Field

[0001] This invention relates to the field of monitoring applications, and in particular to a status monitoring system, method and medium for liquid storage tanks. Background Technology

[0002] Currently, in automatic liquid level measurement, level gauges are prone to aging, moisture absorption, and damage due to contact with the liquid inside the tank, which may lead to inaccurate or completely unreadable level readings. Furthermore, signal transmission failures can prevent the monitoring center from obtaining accurate level data, potentially causing monitoring malfunctions. Summary of the Invention

[0003] In view of the problems existing in the prior art, this application proposes a tank condition monitoring system and method based on wireless sensor network, which mainly solves the problems of sensor aging and damage in liquid storage tank environment, or the failure of monitoring due to untimely feedback of signal transmission failure.

[0004] To achieve the above and other objectives, the technical solution adopted by the present invention is as follows.

[0005] This application provides a status monitoring system for a liquid storage tank. The system includes: multiple sensing components disposed at different locations within the liquid storage tank, each sensing component forming a data acquisition network to package and upload the collected data; a main control component that receives the data uploaded from the data acquisition network and converts it into monitoring data packets; and a remote terminal that receives the monitoring data packets to identify abnormal states within the liquid storage tank, and interacts with the main control component to execute corresponding abnormality handling strategies when an abnormal state is detected.

[0006] In one embodiment of this application, each of the sensing components includes a controller, a communication unit, a temperature and humidity sensor, and a liquid level sensor. The temperature and humidity sensor and the liquid level sensor send the collected data to the controller via a serial interface. The communication unit collects and uploads the data received by the controller.

[0007] In one embodiment of this application, the data acquisition network further includes a data aggregation node, which is connected to each of the sensing components via wireless communication to aggregate the data uploaded by each of the sensing components and send it to the main control component.

[0008] In one embodiment of this application, different sensing components are disposed at positions corresponding to different liquid levels within the liquid storage tank.

[0009] In one embodiment of this application, the system further includes a status display module connected to the main control component to display data based on the abnormal status reported by the remote terminal.

[0010] In one embodiment of this application, the main control component includes a main controller, a wireless transmission unit, a clock circuit, a reset circuit, and an indicator circuit. The clock circuit provides a working clock, and the reset circuit provides a reset signal. Under the action of the working clock and the reset signal, the main controller receives data uploaded by the data acquisition network, generates a control signal for the indicator circuit based on the received data, and uploads the data to the remote terminal through the wireless transmission unit. The indicator circuit indicates the current liquid level state, which corresponds to the liquid level depth collected by the sensing component.

[0011] In one embodiment of this application, the system further includes an actuator that, in response to the abnormal handling strategy of the remote terminal, draws liquid from a backup liquid storage tank to replenish the liquid in the current liquid storage tank when the liquid level in the liquid storage tank is lower than a first threshold, so that the liquid level in the current liquid storage tank is maintained at a preset target liquid level; and when the liquid level in the liquid storage tank is higher than a second threshold, draws out the liquid in the current liquid storage tank so that the liquid level in the current liquid storage tank is maintained at the preset target liquid level, wherein the first threshold is less than the second threshold.

[0012] In one embodiment of this application, the system further includes an alarm module. When the remote terminal detects an abnormal state, the alarm module is controlled by the main control component to output a preset warning message, or the preset warning message is output by communicating with a preset mobile terminal through the remote terminal.

[0013] This application also provides a method for monitoring the state of the liquid storage tank using the aforementioned liquid storage tank status monitoring system. The method includes: providing multiple sensing components disposed at different locations within the liquid storage tank, and constructing a data acquisition network based on each of the sensing components; acquiring data uploaded by the data acquisition network and converting it into monitoring data packets for uploading to a remote terminal, so that the remote terminal identifies abnormal states within the liquid storage tank based on the monitoring data packets, and executes a corresponding abnormality handling strategy when an abnormal state within the liquid storage tank is identified.

[0014] In one embodiment of this application, a computer-readable storage medium is provided, on which a computer program is stored, which, when executed by a processor, implements the steps of the method for using a liquid storage tank status monitoring system. As described above, the liquid storage tank status monitoring system, method, and medium proposed in this application have the following beneficial effects.

[0015] This application utilizes a self-organizing network of multiple sensing components. When any one of these components experiences a signal transmission anomaly, it can provide timely feedback via the data acquisition network for rapid fault location. The acquired data is then sent to a remote terminal for analysis, leveraging the terminal's computing power to quickly identify fault conditions and promptly output anomaly handling strategies. This also simplifies the device structure on the liquid storage tank side, reducing design complexity and cost. The remote terminal can relay the data analysis results to the relevant maintenance personnel, enabling them to perform rapid and effective maintenance based on the analysis findings, ensuring the safe operation of the equipment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the architecture of a liquid storage tank status monitoring system in one embodiment of this application.

[0017] Figure 2 This is a schematic diagram of the circuit architecture of a liquid storage tank status monitoring system in one embodiment of this application.

[0018] Figure 3 This is a flowchart illustrating a method for using a liquid storage tank status monitoring system in one embodiment of this application.

[0019] Explanation of icon numbers: 01-Remote terminal; 02-Main control component; 03-Data acquisition network; 04-Sensing component. Detailed Implementation

[0020] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0021] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the drawings only show the components related to the present invention and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0022] Please see Figure 1 , Figure 1This is a schematic diagram of the architecture of a state monitoring system inside a liquid storage tank according to one embodiment of this application. The system of this embodiment includes: multiple sensing components 04 disposed at different locations inside the liquid storage tank, each sensing component 04 forming a data acquisition network to package and upload the collected data; a main control component 02, which receives the data uploaded by the data acquisition network 03 and converts it into monitoring data packets; and a remote terminal 01, which receives the monitoring data packets to identify abnormal states inside the liquid storage tank, and interacts with the main control component 02 to execute corresponding abnormality handling strategies when an abnormal state is detected. The specific number of sensing components 04 can be set and adjusted according to actual application requirements and is not limited here. Taking three sensor components as an example, different sensor components can be set at positions corresponding to different liquid levels within the liquid storage tank. The first sensor component 04 is positioned at the lower liquid level limit to detect whether the liquid level in the storage tank is below the lower limit. The second sensor component 04 is positioned at the intermediate liquid level to detect whether the liquid level in the storage tank has reached a set intermediate value. The third sensor component 04 is positioned at the upper liquid level to detect whether the liquid level in the storage tank exceeds the upper limit. The specific positions and arrangements of the sensor components 04 can be selected and adjusted according to the actual tank space and application requirements, and are not limited here. The sensor components 04 form a self-organizing network via wireless communication. The data acquisition network 03 obtained from this self-organizing network can determine the signal transmission status of each sensor component 04. When the signal transmission of any sensor component 04 is abnormal, the data acquisition network 03 can generate a corresponding abnormal signal and upload it to the main control component 02. The main control component 02 then reports this to the remote terminal 01 to obtain the corresponding abnormal handling strategy. The abnormal signal may contain information such as the location or code of the sensor component 04, allowing maintenance personnel to quickly locate the abnormal sensor component 04. A database can be set up on remote terminal 01 to store the mapping relationship between different anomaly types and anomaly handling strategies. After receiving uploaded data, remote terminal 01 identifies the anomaly type by recognizing the anomaly status in the data and then calls the corresponding anomaly handling strategy from the database. Specific anomaly handling strategies can be preset or updated and adjusted as needed; no restrictions are placed here. For example, an anomaly handling strategy could be an emergency handling method for different liquid level levels in a liquid storage tank, or a maintenance method for the sensing component 04 in case of communication anomalies. When the liquid level in the liquid storage tank exceeds a certain threshold, the excess portion can be extracted from the tank to maintain liquid level balance. Remote terminal 01 can connect to mobile terminals, such as the mobile phones of maintenance personnel, to send fault status and anomaly-related information to the corresponding mobile terminals. After receiving the notification, maintenance personnel can perform equipment maintenance based on the associated data in the notification. Here, remote terminal 01 can be a server or a cloud platform; the specific configuration can be based on actual needs and no restrictions are placed here.The main control component 02 and the remote terminal 01 can establish a communication connection via a wireless network to facilitate data transmission.

[0023] It is worth noting that this application can be applied to internal measurement and control within industrial liquid storage tanks, electrolytic cells, reaction tanks, or other liquid storage containers. For example, when the liquid storage tank is an electrolytic cell, it can be a proton exchange membrane (PEM) electrolytic cell, an anion exchange membrane (AEM) electrolytic cell, an alkaline hydrogen production electrolytic cell, a solid oxide electrolytic cell (SOEC), a seawater electrolytic cell, or a high-voltage electrolytic cell (e.g., 6,000 A / m). 2 Above or 10,000 A / m 2 Electrolytic cells (as described above), chlorine production electrolytic cells, salt precipitation electrolytic cells, chlor-alkali electrolytic cells, hydrogen production electrolytic cells, square electrolytic cells, related electrolytic cells for green methanol production, or other electrolytic cells.

[0024] In one embodiment, the database of the remote terminal 01 can also store historical data information of the liquid storage tanks. Based on the historical liquid level distribution or temperature and humidity distribution in the liquid storage tanks, the liquid level change trend is predicted, and then corresponding control commands are output according to the liquid level change trend, so that the main control module responds to the corresponding control commands to adjust the liquid level in the liquid storage tanks. For example, based on the historical liquid level change rate of the liquid storage tanks, it can be predicted that the liquid level in the liquid storage tanks will exceed the lower limit in the future and that the stored liquid needs to be replenished. A control command can be sent to the main control component 02, which controls the pump to draw a certain amount of stored liquid from other liquid storage tanks for replenishment. Of course, the remote terminal 01 can simultaneously analyze the liquid level data of multiple liquid storage tanks and select liquid storage tanks that meet the conditions as backup liquid storage tanks. When there is a liquid storage tank that needs to be replenished, the backup liquid storage tank is connected. Specifically, the condition for a liquid storage tank to be used as a backup liquid storage tank can be that the liquid level reaches a preset liquid level, or it can be adjusted according to the actual application requirements. The replenishment method of the stored liquid is not limited to mutual replenishment between liquid storage tanks, but can also be supplied by external devices alone, which is not limited here.

[0025] In one embodiment, the remote terminal 01 may also be equipped with an interactive interface, through which relevant exception handling strategies or the data acquisition frequency of the sensing component 04 may be configured.

[0026] In one embodiment, a status display module can also be installed at a corresponding location on the liquid storage tank. This status display module can be connected to the main control component 02. After establishing a wireless communication connection with the remote terminal 01, the main control component 02 receives abnormal status feedback from the remote terminal 01 and then displays the abnormal status in the status display module so that on-site personnel can locate and maintain the abnormality based on the displayed information. The status display module here can be a touch screen or other display device, which can be configured and selected according to actual needs, and there are no restrictions here. In one embodiment, the status display module can also serve as an interactive device on one side of the liquid storage tank, and relevant personnel can also perform network setup, sensor component 04 parameter configuration, and other operations through the status display module.

[0027] In one embodiment, each sensing component 04 includes a controller, a communication unit, a temperature and humidity sensor, and a liquid level sensor. The temperature and humidity sensor and the liquid level sensor transmit collected data to the controller via a serial interface. The communication unit collects and uploads the data received by the controller. Please refer to [link to relevant documentation]. Figure 2 , Figure 2 This is a schematic diagram of the circuit architecture of a liquid storage tank status monitoring system according to one embodiment of this application. The communication unit, as a data acquisition point for the corresponding sensing component 04, transmits data via a wireless antenna. Data transmission between the communication unit and the controller is conducted via a serial interface. Data transmission between the controller and the temperature and humidity sensor and the liquid level sensor is also conducted via a serial interface. The liquid level sensor can be a non-contact type. The serial interface can use the UART communication protocol for data transmission.

[0028] In one embodiment, multiple sensing components 04 can form a self-organizing network via ZigBee. Taking three sensing components 04 as an example, the communication units of the three sensing components 04 act as ZigBee acquisition nodes. A ZigBee aggregation node is set up to communicate wirelessly with the communication units of the three sensing components 04. This ZigBee aggregation node is the data aggregation node of the data acquisition network 03. When the communication connection between the data aggregation node and any of the sensing components 04 is abnormal, a corresponding abnormal signal can be generated and reported to the main control component 02. When the communication status of all sensing components 04 is normal, the data aggregation node can package the data collected by the three sensing components 04 and upload it to the main control component 02. Please refer to [link to relevant documentation]. Figure 2Both the ZigBee aggregation node and the ZigBee acquisition node can use the CC2530 chip to implement self-organizing networks. Of course, the self-organizing network in this application is not limited to ZigBee; other wireless communication methods can also be used for self-organizing networks, and this is not a limitation. The controllers for each sensing component 04 can also be implemented using the STC89C52 chip; this is only an example, and microcontrollers or other control chips can be used as needed. The temperature and humidity sensor can be a DHT11. The liquid level sensors in the three sensing components 04 are used to detect the tank's internal state at low, medium, and high water levels, respectively. Figure 2 Other similar components can be used to replace the intermediate components, or adjustments can be made according to actual application requirements; no restrictions are imposed here. Data aggregation nodes and main control component 02 can also transmit data via a serial interface.

[0029] In one embodiment, the main control component 02 includes a main controller, a wireless transmission unit, a clock circuit, a reset circuit, and an indicator circuit. The clock circuit provides a working clock, and the reset circuit provides a reset signal. Under the action of the working clock and the reset signal, the main controller receives data uploaded by the data acquisition network 03, generates a control signal for the indicator circuit based on the received data, and uploads the data to the remote terminal 01 via the wireless transmission unit. The indicator circuit indicates the current liquid level status, which corresponds to the liquid level depth collected by the sensing component 04. After the circuit is powered on, the reset circuit generates a reset signal to reset and power on the main controller. The clock circuit provides a clock signal for the main controller to operate. After receiving the sensor data uploaded by the data acquisition network 03, the main controller can determine the current liquid level value in the liquid storage tank and then control the corresponding indicator light in the indicator circuit to display it. For example, the indicator circuit includes three indicator lights: red, yellow, and green. A red light indicates that the liquid level has reached a high level, a green light indicates that the liquid level has reached a low level, and a yellow light indicates that the liquid level has reached a medium level. The specific correspondence between the indicator lights and the water level can be set and adjusted according to actual application needs, and there are no restrictions here.

[0030] In one embodiment, the clock circuit can generate a clock signal of a set frequency using a crystal oscillator, and the reset circuit can also consist of a resistor-capacitor circuit and a switch. The specific circuit structure can be set and adjusted according to actual application requirements, and is not limited here. The wireless transmission unit of the main control component 02 can be implemented using a SIM900 chip, and establishes a connection with the remote terminal 01 via GPRS wireless communication. Of course, the communication connection method between the main control component 02 and the remote terminal 01 is not limited to GPRS, and can also be selected and adjusted according to actual application requirements, and is not limited here.

[0031] In one embodiment, an actuator may also be provided, which is connected to the main control component 02. Responding to the exception handling strategy of the remote terminal 01, when the liquid level in the liquid storage tank is lower than a first threshold, the actuator draws liquid from a backup liquid storage tank to replenish the liquid in the current liquid storage tank, maintaining the liquid level in the current liquid storage tank at a preset target level; when the liquid level in the tank is higher than a second threshold, the actuator draws out the liquid from the current liquid storage tank, maintaining the liquid level in the current liquid storage tank at the preset target level, wherein the first threshold is less than the second threshold. The first and second thresholds can be set according to actual application requirements, and the preset target liquid level is between the first and second thresholds, and can also be flexibly set and adjusted as needed. For example, the first threshold can be a lower limit of the liquid level in the tank, and the second threshold can be an upper limit of the liquid level in the tank. The actuator can be a pump or other device that can be used to adjust the liquid level in the tank; no limitation is imposed here.

[0032] In one embodiment, an alarm module can also be installed on one side of the liquid storage tank. The alarm module is connected to the main control component 02. When the main control component 02 receives an abnormal status feedback from the remote terminal 01, the alarm module is activated, which can be done by flashing an indicator light or outputting a corresponding voice message. The voice message can be obtained from the database of the remote terminal 01 based on the abnormal status. Of course, the remote terminal 01 can also directly send alarm information to mobile terminals such as mobile phones to remind remote personnel to handle the abnormality.

[0033] In one embodiment, when there are multiple level sensors, the main control component can calculate the weighted average level according to the following formula to improve sensing accuracy:

[0034] Where Havg is the weighted average liquid level depth, hi is the measured value of the i-th liquid level sensor, and wi is the weight of the i-th sensor (this weight can be set according to the installation location and historical reliability).

[0035] In one embodiment, temperature / humidity field distribution can be fitted using temperature and humidity sensor data at different locations inside the tank to identify local hot spots, condensation areas, or leak points (e.g., abnormally high humidity).

[0036] In one embodiment, during the settling phase with no feed or discharge, the rate of liquid level drop should be close to a stable evaporation or natural loss rate, which can be determined according to the following relationship:

[0037] Vleak is the measured rate of change of liquid level (a negative value indicates a decrease). If the absolute value of Vleak is greater than a normal evaporation rate threshold, a potential leak alarm is triggered and the system is notified.

[0038] In one embodiment, to achieve a smooth change in liquid level, the required instantaneous replenishment / discharge flow rate can be calculated according to the following formula:

[0039] Where Qreq is the required volumetric flow rate, and Atank is the cross-sectional area of ​​the storage tank (assuming a regular shape). dH desired / dt represents the desired rate of change of liquid level, which is usually set to a safe value to avoid liquid level shocks.

[0040] Based on the technical solutions of the embodiments of this application above, the self-organizing network of the in-tank sensing component 04 can promptly detect data transmission anomalies of the sensing component 04, and then promptly feed back to the cloud to obtain corresponding anomaly handling strategies, ensuring the effectiveness and timeliness of anomaly detection; while detecting the liquid level, the temperature and humidity inside the tank can be detected simultaneously, ensuring the safety of the tank and avoiding safety hazards caused by excessive temperature and humidity inside the tank. The use of a non-contact liquid level sensor avoids interference from the liquid inside the tank on the collected data. The self-organizing network and data transmission via wireless communication technology avoids interference from communication hardware on the collected data; a visual interface is provided for data display and interaction, facilitating real-time understanding of the liquid storage tank status by monitoring personnel and enabling parameter settings and adjustments according to permissions. This facilitates rapid anomaly location and precise maintenance. Simultaneously, anomaly handling based on cloud-based strategies reduces the professional requirements for maintenance personnel and enhances the user experience.

[0041] Please see Figure 3 , Figure 3 This is a flowchart illustrating a method for monitoring the condition of a liquid storage tank according to an embodiment of this application. The method includes the following steps: Step S300: Provide multiple sensing components disposed at different locations within the liquid storage tank, and construct a data acquisition network based on each of the sensing components; Step S310: Acquire the data uploaded by the data acquisition network and convert it into a monitoring data packet for uploading to the remote terminal, so that the remote terminal can identify the abnormal state inside the liquid storage tank based on the monitoring data packet, and execute the corresponding abnormal handling strategy when the abnormal state inside the liquid storage tank is identified.

[0042] The specific execution process of the method has been described in detail in the aforementioned system embodiments, and will not be repeated here.

[0043] This application also provides a computer-readable storage medium storing one or more modules (programs) that, when applied to a device, enable the device to execute embodiments of this application. Figure 3The instructions for the steps included in the method of using a liquid storage tank condition monitoring system. The machine-readable medium can be any usable medium that a computer can store, or a data storage device such as a server or data center that integrates one or more usable media. The usable medium can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., DVDs), or semiconductor media (e.g., solid-state drives (SSDs)).

[0044] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A status monitoring system for a liquid storage tank, characterized in that, The system includes: Multiple sensing components are installed at different locations within the liquid storage tank. These sensing components form a data acquisition network to package and upload the collected data. The main control component receives data uploaded from the data acquisition network and converts it into monitoring data packets; and, The remote terminal receives the monitoring data packet to identify abnormal states inside the liquid storage tank, and interacts with the main control component to execute the corresponding abnormal handling strategy when an abnormal state inside the liquid storage tank is identified. The main control component calculates the weighted average liquid level according to the following formula to improve sensing accuracy: Where Havg is the weighted average liquid level depth, hi is the measured value of the i-th liquid level sensor, and wi is the weight of the i-th sensor.

2. The status monitoring system for liquid storage tanks according to claim 1, characterized in that, Each of the sensing components includes a controller, a communication unit, a temperature and humidity sensor, and a liquid level sensor. The temperature and humidity sensor and the liquid level sensor send the collected data to the controller via a serial interface. The communication unit collects and uploads the data received by the controller.

3. The status monitoring system for liquid storage tanks according to claim 1, characterized in that, The data acquisition network also includes a data aggregation node, which is connected to each of the sensor components via wireless communication to aggregate the data uploaded by each sensor component and send it to the main control component.

4. The status monitoring system for liquid storage tanks according to claim 1, characterized in that, Different sensing components are positioned at different liquid level heights within the liquid storage tank.

5. The status monitoring system for liquid storage tanks according to claim 1, characterized in that, The system also includes a status display module, which is connected to the main control component to display data based on abnormal statuses reported by the remote terminal.

6. The status monitoring system for liquid storage tanks according to claim 1, characterized in that, The main control component includes a main controller, a wireless transmission unit, a clock circuit, a reset circuit, and an indicator circuit. The clock circuit provides a working clock, and the reset circuit provides a reset signal. Under the action of the working clock and the reset signal, the main controller receives data uploaded by the data acquisition network, generates a control signal for the indicator circuit based on the received data, and uploads the data to the remote terminal through the wireless transmission unit. The indicator circuit indicates the current liquid level status, which corresponds to the liquid level depth collected by the sensing component.

7. The status monitoring system for liquid storage tanks according to claim 1, characterized in that, The system further includes an actuator that, in response to the abnormal handling strategy of the remote terminal, when the liquid level in the liquid storage tank is lower than a first threshold, draws liquid from a backup liquid storage tank to replenish the liquid in the current liquid storage tank, so that the liquid level in the current liquid storage tank is maintained at a preset target liquid level; when the liquid level in the liquid storage tank is higher than a second threshold, draws out the liquid in the current liquid storage tank, so that the liquid level in the current liquid storage tank is maintained at the preset target liquid level, wherein the first threshold is less than the second threshold.

8. The status monitoring system for liquid storage tanks according to claim 7, characterized in that, The system also includes an alarm module. When the remote terminal detects an abnormal state, the alarm module is controlled by the main control component to output a preset warning message, or the preset warning message is output by communicating with a preset mobile terminal through the remote terminal.

9. A method for monitoring the condition of a liquid storage tank according to any one of claims 1-8, characterized in that, The method includes: Multiple sensing components are provided at different locations within the liquid storage tank, and a data acquisition network is constructed based on each of the sensing components; The data uploaded by the data acquisition network is acquired and converted into monitoring data packets for uploading to a remote terminal. The remote terminal then identifies abnormal states inside the liquid storage tank based on the monitoring data packets and executes corresponding abnormality handling strategies when an abnormal state is detected inside the liquid storage tank.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, it implements the steps of the method of the status monitoring system using a liquid storage tank as described in claim 9.

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