Energy-saving power distribution cabinet of pit digging device and control method

Abstract

The invention relates to the field of equipment control, and discloses an energy-saving power distribution cabinet of a pit digging device and a control method, and the method comprises the steps that a cloud management server generates a management control container according to a pit digging task, and is connected with the energy-saving power distribution cabinet of the pit digging device; the management control container is used for storing and processing the acquired operation data of the power distribution cabinet; the management control container performs initial stability detection on the power distribution cabinet according to the power data in the pit digging task, and collects initial stability data based on a stability index; and the management control container continuously monitors the power distribution cabinet and acquires operation data according to a set task period until the pit digging task is completed, and then the control of the energy-saving power distribution cabinet of the pit digging device is completed. According to the invention, potential safety hazards can be found and handled, and risks of operation interruption and equipment damage caused by faults of the power distribution cabinet are significantly reduced.

Description

Technical Field

[0001] The invention relates to the field of control, and in particular to an energy-saving power distribution cabinet and a control method for a pit excavation device. Background Art

[0002] In modern construction, pit excavation operations are an important part of infrastructure construction, mineral resource development and other fields. Their efficiency and safety are directly related to the progress of the project and cost-effectiveness. With the advancement of science and technology, pit excavation equipment has gradually achieved automation and intelligence to improve excavation efficiency and operation safety. However, in the pit excavation process, the distribution cabinet, as the core component of the power system, its stable operation is the key to ensuring the normal operation of the entire excavation device. Traditional distribution cabinet control methods often rely on manual monitoring and adjustment, and have problems such as slow response speed, low accuracy, and high energy consumption. It is difficult to meet the needs of modern pit excavation operations for efficiency, energy saving, and safety.

[0003] Especially in complex geological environments, pit excavation equipment needs to frequently adjust power to adapt to different excavation conditions, which causes the distribution cabinet to bear huge load changes, which can easily lead to safety hazards such as overheating and overload. At the same time, due to the lack of effective monitoring and early warning mechanisms, the maintenance of the distribution cabinet often lags behind the occurrence of faults, which not only affects the progress of excavation operations, but may also cause equipment damage and even casualties. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide an energy-saving power distribution cabinet control method for a pit excavation device, comprising: Step 1: The cloud management server generates a management control container according to the pit excavation task and connects it to the energy-saving power distribution cabinet of the pit excavation device. The management control container is used to store and process the collected power distribution cabinet operation data; Step 2: The management control container performs an initial stability test on the power distribution cabinet according to the power data in the pit excavation task, and collects initial stability data based on the stability index; Step 3: The management control container continuously monitors the power distribution cabinet and collects operation data according to the set task cycle to obtain stability data within the task cycle. The stability data within the task cycle is compared with the initial stability data to obtain the stability data change characteristics. Based on the stability data change characteristics, the power distribution cabinet is evaluated. If the evaluation is normal, step 4 is entered. Otherwise, an alarm is issued. Step 4: The management and control container collects the operation data of the power distribution cabinet in the current task cycle to obtain the current stability data; the management and control container compares the stability data of different task cycles obtained with the current stability data to obtain the stability change trend of the power distribution cabinet. If the stability change trend is a downward trend, proceed to step 5; otherwise, proceed to step 6; Step 5: Obtain an estimated remaining stable use time of the power distribution cabinet according to the obtained qualitative change trend, and issue a warning message according to the estimated remaining stable use time; Step six, until the pit excavation task is completed, the control of the energy-saving distribution cabinet of the pit excavation device is completed.

[0005] Furthermore, the management and control container performs an initial stability test on the power distribution cabinet according to the power data in the pit excavation task, and collects initial stability data based on the stability index, including: The stability data mentioned herein are power data and temperature data corresponding to the power data; the power data mentioned herein are: the power required to perform the current pit excavation task; the stability index includes temperature data, and the temperature data of the distribution cabinet is obtained according to the power data during the execution of the pit excavation task; the power data during the pit excavation task and the temperature data of the distribution cabinet constitute the initial stability data.

[0006] Furthermore, the management and control container continuously monitors the power distribution cabinet and collects operation data according to the set task cycle to obtain stability data within the task cycle, including: The stability data within the task cycle is: the power data and the corresponding distribution cabinet temperature data are collected during the pit excavation task within the task cycle, and the stability data of the distribution cabinet temperature within the task cycle is obtained based on the difference between the distribution cabinet temperature data within the task cycle and the distribution cabinet temperature data of each power point in the initial stability data.

[0007] Furthermore, the stability data within the task cycle is compared with the initial stability data to obtain the stability data change characteristics, and the distribution cabinet is evaluated according to the stability data change characteristics, including: If the difference between the temperature data of the power distribution cabinet in the task cycle and the temperature data of the power distribution cabinet according to each power point in the initial stability data is within the set difference threshold range, the evaluation passes; otherwise, it fails.

[0008] Furthermore, the management and control container compares the obtained stability data of different task cycles with the current stability data to obtain the stability change trend of the power distribution cabinet, including: According to the time sequence, the difference between the maximum and minimum values ​​in the stability data of each task cycle is obtained, and the difference change between the difference between the maximum and minimum values ​​in the stability data of each task cycle and the difference between the maximum and minimum values ​​of the current stability data is obtained. If the difference change is an expanding trend, it is a stability decreasing trend, otherwise, it is a stable trend.

[0009] Furthermore, obtaining the estimated remaining stable use time of the power distribution cabinet according to the obtained qualitative change trend includes: According to the difference change rate of the difference between the maximum and minimum values ​​in the stability data of each task cycle, the time when the difference between the maximum and minimum values ​​in the stability data of the task cycle is greater than the set difference threshold is obtained, and the estimated remaining stable usage time of the distribution cabinet is obtained.

[0010] An energy-saving power distribution cabinet for a pit excavation device, using the energy-saving power distribution cabinet control method for a pit excavation device, comprising a cloud management server, a power distribution module, a communication module, a data acquisition module, a data processing module and a data storage module; The power distribution module, communication module, data acquisition module and data storage module are respectively connected to the data processing module; the cloud management server is communicatively connected to the communication module.

[0011] The beneficial effect of the present invention is that by real-time monitoring of the operating status of the power distribution cabinet and intelligently adjusting power distribution according to actual excavation needs, the present invention can effectively avoid unnecessary energy waste and improve the energy efficiency of the entire excavation operation.

[0012] Enhanced operational safety: Through continuous monitoring and early warning of the stability of the power distribution cabinet, the present invention can promptly detect and address potential safety hazards, significantly reduce the risk of operational interruption and equipment damage caused by power distribution cabinet failure, and thus enhance operational safety.

[0013] Improve maintenance efficiency and reduce maintenance costs: Based on the early warning mechanism for estimating the remaining stable use time, the present invention makes maintenance work more proactive and targeted, reduces the number of emergency repairs due to sudden failures, reduces maintenance costs, and extends the service life of the distribution cabinet.

[0014] Enhanced adaptability and flexibility: The design of the control method of the present invention takes into account the changes in power demand under different excavation tasks and geological conditions, so that the distribution cabinet can flexibly adjust the control strategy according to actual conditions, thereby enhancing the adaptability and flexibility of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic flow chart of an energy-saving power distribution cabinet control method for a pit excavation device; Figure 2 A schematic diagram of the principle of an energy-saving power distribution cabinet for a pit excavation device; Figure 3 This is a schematic diagram of the principle of the data acquisition module. DETAILED DESCRIPTION

[0016] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following.

[0017] The features and performance of the present invention are further described in detail below in conjunction with the embodiments.

[0018] like Figure 1 As shown, a method for controlling an energy-saving power distribution cabinet of a pit excavation device comprises: Step 1: The cloud management server generates a management control container according to the pit excavation task and connects it to the energy-saving power distribution cabinet of the pit excavation device. The management control container is used to store and process the collected power distribution cabinet operation data; Step 2: The management control container performs an initial stability test on the power distribution cabinet according to the power data in the pit excavation task, and collects initial stability data based on the stability index; Step 3: The management control container continuously monitors the power distribution cabinet, collects operation data according to the set task cycle, obtains stability data within the task cycle, compares the stability data within the task cycle with the initial stability data, obtains the stability data change characteristics, and evaluates the power distribution cabinet according to the stability data change characteristics. If the evaluation is normal, proceed to step 4; otherwise, adjust the control parameters and return to step 2; Step 4: The management and control container collects the operation data of the power distribution cabinet in the current task cycle to obtain the current stability data; the management and control container compares the stability data of different task cycles obtained with the current stability data to obtain the stability change trend of the power distribution cabinet. If the stability change trend is a downward trend, proceed to step 5; otherwise, proceed to step 6; Step 5: Obtain an estimated remaining stable use time of the power distribution cabinet according to the obtained qualitative change trend, and issue a warning message according to the estimated remaining stable use time; Step six, until the pit excavation task is completed, the control of the energy-saving distribution cabinet of the pit excavation device is completed.

[0019] The management and control container performs initial stability detection on the power distribution cabinet according to the power data in the pit excavation task, and collects initial stability data based on the stability index, including: The stability data mentioned herein are power data and temperature data corresponding to the power data; the power data mentioned herein are: the power required to perform the current pit excavation task; the stability index includes temperature data, and the temperature data of the distribution cabinet is obtained according to the power data during the execution of the pit excavation task; the power data during the pit excavation task and the temperature data of the distribution cabinet constitute the initial stability data.

[0020] The management and control container continuously monitors the power distribution cabinet and collects operation data according to the set task cycle to obtain stability data within the task cycle, including: The stability data within the task cycle is: the power data and the corresponding distribution cabinet temperature data are collected during the pit excavation task within the task cycle, and the stability data of the distribution cabinet temperature within the task cycle is obtained based on the difference between the distribution cabinet temperature data within the task cycle and the distribution cabinet temperature data of each power point in the initial stability data.

[0021] The stability data within the task cycle is compared with the initial stability data to obtain the stability data change characteristics, and the distribution cabinet is evaluated according to the stability data change characteristics, including: If the difference between the temperature data of the power distribution cabinet in the task cycle and the temperature data of the power distribution cabinet according to each power point in the initial stability data is within the set difference threshold range, the evaluation passes; otherwise, it fails.

[0022] The management and control container compares the obtained stability data of different task cycles with the current stability data to obtain the stability change trend of the power distribution cabinet, including: According to the time sequence, the difference between the maximum and minimum values ​​in the stability data of each task cycle is obtained, and the difference change between the difference between the maximum and minimum values ​​in the stability data of each task cycle and the difference between the maximum and minimum values ​​of the current stability data is obtained. If the difference change is an expanding trend, it is a stability decreasing trend, otherwise, it is a stable trend.

[0023] The estimated remaining stable use time of the power distribution cabinet obtained according to the obtained qualitative change trend includes: According to the difference change rate of the difference between the maximum and minimum values ​​in the stability data of each task cycle, the time when the difference between the maximum and minimum values ​​in the stability data of the task cycle is greater than the set difference threshold is obtained, and the estimated remaining stable usage time of the distribution cabinet is obtained.

[0024] like Figure 2 As shown, the energy-saving power distribution cabinet of a pit excavation device, using the energy-saving power distribution cabinet control method of a pit excavation device, includes a cloud management server, a power distribution module, a communication module, a data acquisition module, a data processing module and a data storage module; The power distribution module, communication module, data acquisition module and data storage module are respectively connected to the data processing module; the cloud management server is communicatively connected to the communication module.

[0025] like Figure 3As shown, the data acquisition module includes a temperature acquisition device and a noise acquisition device; the temperature acquisition device and the noise acquisition device are respectively connected to the data processing module.

[0026] Specifically, the present invention provides an energy-saving power distribution cabinet control method for a pit excavation device, which aims to achieve real-time monitoring and precise control of the operating status of the power distribution cabinet through the intelligent connection between the cloud management server and the power distribution cabinet, thereby improving the energy efficiency and safety of the excavation operation. The method includes the following key steps: Step 1: Manage and control the establishment and connection of containers The cloud management server generates a management control container based on the specific pit excavation task. As the data processing center, the container is responsible for storing and processing the operation data collected from the power distribution cabinet. Through the communication module, the management control container establishes a connection with the energy-saving power distribution cabinet of the pit excavation device, laying the foundation for subsequent data collection and analysis.

[0027] Step 2: Initial stability testing and data collection The management and control container performs an initial stability test on the distribution cabinet based on the power data preset in the pit excavation task. This step mainly collects initial data based on stability indicators, including the power required to perform the current excavation task and its corresponding distribution cabinet temperature data. The selection of stability indicators takes into account the impact of power changes on the temperature of the distribution cabinet, because temperature is one of the important parameters reflecting the working status of the distribution cabinet. Through these initial data, a baseline model of the distribution cabinet under normal working conditions can be established.

[0028] Step 3: Continuous Monitoring and Stability Assessment The management control container continuously monitors the distribution cabinet and collects operation data regularly according to the set task cycle. These data include power data and distribution cabinet temperature data in each task cycle. By comparing the stability data in the task cycle with the initial stability data, the change characteristics of the stability data of the distribution cabinet can be analyzed. If the difference between the data in the task cycle and the initial data is within the set difference threshold range, the distribution cabinet is considered to be in normal state and proceed to the next step; otherwise, the control parameters need to be adjusted and return to step 2 for re-testing and evaluation.

[0029] Step 4: Stability change trend analysis The management control container compares the stability data of different task cycles with the current stability data to reveal the stability change trend of the distribution cabinet. By calculating the difference between the maximum and minimum values ​​in the stability data of each task cycle and comparing it with the difference of the current data, it can be determined whether the stability is showing an upward or downward trend. If the trend is downward, it indicates that the stability performance of the distribution cabinet may be gradually deteriorating, and it is necessary to proceed to the next step for early warning processing.

[0030] Step 5: Estimate remaining stable usage time and warn When it is determined that the stability of the power distribution cabinet is on a downward trend, the present invention further predicts the time required for the power distribution cabinet to reach an unstable state (i.e., the difference exceeds a set threshold) based on the change rate of the difference between the maximum and minimum values ​​in the stability data of each task cycle, i.e., estimates the remaining stable use time. Based on this prediction, the system can issue early warning information in a timely manner to remind operators to take necessary maintenance measures or adjust the work plan to avoid potential failures.

[0031] Step 6: Task completion and control end If the power distribution cabinet maintains a stable operating state during the entire pit excavation task and does not trigger any warning conditions, the control method of the present invention ends when the excavation task is completed. At this point, the power distribution cabinet has efficiently and safely supported the power supply needs of the entire excavation operation.

[0032] In order to realize the above control method, the present invention also designs an energy-saving power distribution cabinet for a pit excavation device, which includes a cloud management server, a power distribution module, a communication module, a data acquisition module, a data processing module and a data storage module. Among them, the power distribution module is responsible for the distribution and supply of electricity; the communication module realizes the data transmission between the power distribution cabinet and the cloud management server; the data acquisition module collects the operating status information of the power distribution cabinet in real time through the temperature acquisition device and the noise acquisition device; the data processing module processes and analyzes the collected data to execute the various steps in the above control method; the data storage module is used to save the processed data for subsequent query and analysis. Specific embodiment 1 Implementation background: In a large-scale mining project, a circular pit with a depth of 50 meters and a diameter of 10 meters needs to be excavated. In order to ensure the smooth progress of the excavation operation and take into account energy efficiency and safety, the project party decided to adopt the energy-saving power distribution cabinet control method of the pit excavation device provided by the present invention.

[0034] Implementation steps: Management control container establishment and connection: The project party first used the cloud management server to generate an exclusive management and control container based on the specific task parameters of pit excavation (such as excavation depth, diameter, expected time, etc.).

[0035] The container establishes a stable connection with the energy-saving power distribution cabinet of the pit excavation device through the communication module, providing a basis for subsequent data collection and analysis.

[0036] Initial stability testing and data collection: The management and control container performs an initial stability test on the power distribution cabinet based on the preset power data.

[0037] The power required to perform the current mining task (such as startup, normal operation, peak power, etc.) and its corresponding distribution cabinet temperature data were collected as initial stability data.

[0038] Based on these data, a benchmark model of the distribution cabinet under normal working conditions was established.

[0039] Ongoing Monitoring and Stability Assessment: The management and control container continuously monitors the distribution cabinet and sets a task cycle every hour.

[0040] In each task cycle, the power data and temperature data of the distribution cabinet were collected and compared with the initial stability data.

[0041] After analysis, it was found that the differences between the data in all task cycles and the initial data were within the set difference threshold range, so it was judged that the status of the distribution cabinet was normal.

[0042] Stability change trend analysis: The management control container compares the stability data of different task cycles with the current stability data.

[0043] By calculating the difference between the maximum and minimum values ​​in the stability data of each task cycle and comparing it with the difference of the current data, it is found that the stability data shows a stable trend without obvious increase or decrease.

[0044] Mission completion and control end: During the entire excavation process, the power distribution cabinet maintained a stable operating state and did not trigger any warning conditions. Specific embodiment 2 In a certain city subway construction project, a large number of pit excavation operations are required to lay subway lines. Since subway construction has extremely high requirements for safety and energy efficiency, the project party decided to introduce the energy-saving power distribution cabinet control method of the pit excavation device provided by the present invention to ensure the smooth progress of the excavation operation.

[0046] Implementation steps: Management control container establishment and connection: The project party used the cloud management server to generate a customized management and control container based on the specific requirements of the subway construction project and the characteristics of the pit excavation task.

[0047] The container establishes connections with energy-saving power distribution cabinets of multiple pit excavation devices through a communication module, realizing centralized management of multiple power distribution cabinets.

[0048] Initial stability testing and data collection: The management and control container performed an initial stability test on each power distribution cabinet and collected the power required to perform the current mining task and its corresponding power distribution cabinet temperature data as initial stability data.

[0049] At the same time, special situations that may be encountered during subway construction (such as geological changes, emergencies, etc.) are also taken into consideration, and appropriate adjustments and optimizations are made to the initial stability data.

[0050] Ongoing Monitoring and Stability Assessment: The management and control container continuously monitors the distribution cabinet and sets a task cycle of every two hours.

[0051] In each task cycle, the power data and temperature data of the distribution cabinet were collected and compared and analyzed with the initial stability data.

[0052] During a task cycle, it was found that the temperature data of a power distribution cabinet rose abnormally and exceeded the set difference threshold range. The management control container immediately issued an early warning message and suggested adjusting the control parameters.

[0053] Stability change trend analysis and early warning processing: Based on the early warning information from the management control container, the project party promptly adjusted the control parameters of the distribution cabinet and strengthened its monitoring.

[0054] The management and control container continued to compare and analyze the stability data of different task cycles with the current stability data, and found that after adjustments, the stability data of the distribution cabinet gradually returned to the normal trend.

[0055] At the same time, the management and control container also predicts the estimated remaining stable usage time of the distribution cabinet based on the difference change rate between the maximum and minimum values ​​in the stability data of each task cycle, providing strong decision-making support for the project party.

Claims

1. A method for controlling an energy-saving power distribution cabinet of a pit excavation device, characterized in that: include: Step 1: The cloud management server generates a management control container according to the pit excavation task and connects it to the energy-saving power distribution cabinet of the pit excavation device. The management control container is used to store and process the collected power distribution cabinet operation data; Step 2: The management control container performs an initial stability test on the power distribution cabinet according to the power data in the pit excavation task, and collects initial stability data based on the stability index; Step 3: The management control container continuously monitors the power distribution cabinet, collects operation data according to the set task cycle, obtains stability data within the task cycle, compares the stability data within the task cycle with the initial stability data, obtains the stability data change characteristics, and evaluates the power distribution cabinet according to the stability data change characteristics. If the evaluation is normal, proceed to step 4; otherwise, adjust the control parameters and return to step 2; Step 4: The management control container collects the operation data of the power distribution cabinet in the current task cycle to obtain the current stability data; The management control container compares the obtained stability data of different task cycles with the current stability data to obtain the stability change trend of the power distribution cabinet. If the stability change trend is a downward trend, it proceeds to step five; Otherwise, go to step 6; Step 5: Obtain an estimated remaining stable use time of the power distribution cabinet according to the obtained qualitative change trend, and issue a warning message according to the estimated remaining stable use time; Step six, until the pit excavation task is completed, the control of the energy-saving distribution cabinet of the pit excavation device is completed.

2. The energy-saving power distribution cabinet control method of a pit excavation device according to claim 1 is characterized in that: The management and control container performs initial stability detection on the power distribution cabinet according to the power data in the pit excavation task, and collects initial stability data based on the stability index, including: The stability data mentioned herein are power data and temperature data corresponding to the power data; the power data mentioned herein are: the power required to perform the current pit excavation task; the stability index includes temperature data, and the temperature data of the distribution cabinet is obtained according to the power data during the execution of the pit excavation task; the power data during the pit excavation task and the temperature data of the distribution cabinet constitute the initial stability data.

3. The energy-saving power distribution cabinet control method of a pit excavation device according to claim 2 is characterized in that: The management and control container continuously monitors the power distribution cabinet and collects operation data according to the set task cycle to obtain stability data within the task cycle, including: The stability data within the task cycle is: the power data and the corresponding distribution cabinet temperature data are collected during the pit excavation task within the task cycle, and the stability data of the distribution cabinet temperature within the task cycle is obtained based on the difference between the distribution cabinet temperature data within the task cycle and the distribution cabinet temperature data of each power point in the initial stability data.

4. The energy-saving power distribution cabinet control method of a pit excavation device according to claim 3 is characterized in that: The stability data within the task cycle is compared with the initial stability data to obtain the stability data change characteristics, and the distribution cabinet is evaluated according to the stability data change characteristics, including: If the difference between the temperature data of the power distribution cabinet in the task cycle and the temperature data of the power distribution cabinet according to each power point in the initial stability data is within the set difference threshold range, the evaluation passes; otherwise, it fails.

5. The energy-saving power distribution cabinet control method of a pit excavation device according to claim 4 is characterized in that: The management and control container compares the obtained stability data of different task cycles with the current stability data to obtain the stability change trend of the power distribution cabinet, including: According to the time sequence, the difference between the maximum and minimum values ​​in the stability data of each task cycle is obtained, and the difference change between the difference between the maximum and minimum values ​​in the stability data of each task cycle and the difference between the maximum and minimum values ​​of the current stability data is obtained. If the difference change is an expanding trend, it is a stability decreasing trend, otherwise, it is a stable trend.

6. The energy-saving power distribution cabinet control method of a pit excavation device according to claim 5, characterized in that: The estimated remaining stable use time of the power distribution cabinet obtained according to the obtained qualitative change trend includes: According to the difference change rate of the difference between the maximum and minimum values ​​in the stability data of each task cycle, the time when the difference between the maximum and minimum values ​​in the stability data of the task cycle is greater than the set difference threshold is obtained, and the estimated remaining stable usage time of the distribution cabinet is obtained.

7. An energy-saving power distribution cabinet for a pit excavation device, characterized in that: An energy-saving power distribution cabinet control method for a pit excavation device according to any one of claims 1 to 6 is applied, comprising a cloud management server, a power distribution module, a communication module, a data acquisition module, a data processing module and a data storage module; The power distribution module, communication module, data acquisition module and data storage module are respectively connected to the data processing module; the cloud management server is communicatively connected to the communication module.

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