A real-time monitoring device for index parameters of a thermal power plant based on a MIS system

Abstract

The utility model relates to the technical field of monitoring of thermal power plant, especially disclose a kind of real-time monitoring device of thermal power plant index parameter based on MIS system. The device is with main frame as core support, main frame upper end fixed monitoring camera device and meteorological sensor group, for collecting field video and environmental parameter;Middle region is fixed display and control box through collar and arc connecting piece, realize data real-time display and remote transmission;Lower end is equipped with grounding component, convex plate and connecting seat, connecting seat can make main frame around its deflection, cooperate with orientation adjusting of positioning rod, and convex plate and connecting plate convex groove adapt to promote stability.The device solves the problem that the existing monitoring device is inconvenient to adjust the orientation, needs to be disassembled as a whole for maintenance, and has poor grounding anti-interference, has the characteristics of flexible adjustment, efficient maintenance and reliable grounding, can adapt to the high temperature, high dust and strong electromagnetic interference environment of thermal power plant, realize the efficient integration of index parameter and MIS system.

Description

Technical Field

[0001] This utility model relates to the field of thermal power plant monitoring technology, and in particular to a real-time monitoring device for thermal power plant index parameters based on a MIS system. Background Technology

[0002] In the operation of thermal power plants, real-time monitoring of parameters such as boiler emissions, dust from the coal conveying system, and equipment operating status is crucial for ensuring safe production and meeting environmental protection requirements. This necessitates the use of dedicated monitoring devices for data acquisition and analysis. However, existing monitoring devices for thermal power plant parameters suffer from the following technical deficiencies in practical applications: Inflexible orientation adjustment: Most monitoring devices adopt an integrated fixed structure, and the orientation of the display and the angle of the monitoring components cannot be flexibly adjusted. When the monitoring perspective in the plant area needs to be changed or the operator's observation position changes, the entire device needs to be moved, which is cumbersome and can easily damage the installation foundation, making it difficult to adapt to the complex on-site layout requirements of thermal power plants.

[0003] Low maintenance efficiency: The core components of the existing equipment, such as monitoring cameras and sensors, are mostly rigidly fixed to the main frame. During maintenance, it is necessary to first disassemble the grounding structure and connecting components of the entire equipment, and then disassemble the monitoring modules one by one. This is not only time-consuming and labor-intensive, but may also cause the components to loosen due to repeated disassembly and assembly, increasing the risk of equipment failure.

[0004] Poor grounding anti-interference capability: Thermal power plants have a large number of high-voltage equipment, which are prone to strong electromagnetic interference. The existing grounding structure is mostly a simple single-bolt grounding, and the grounding resistance is difficult to control stably within the safe threshold (≤4Ω), which leads to interference and distortion of monitoring data and affects the accuracy of indicator judgment.

[0005] Insufficient integration of data with the MIS system: Some monitoring devices can only display data locally and lack an efficient linkage module with the central MIS system of the thermal power plant. Data needs to be manually entered again or exported through special equipment. It is impossible to achieve closed-loop management of "real-time acquisition-analysis-upload-early warning", which is obviously lagging and cannot meet the intelligent monitoring needs of modern thermal power plants.

[0006] The aforementioned problems result in insufficient practicality, stability, and intelligence of existing monitoring devices, which restricts the efficiency and accuracy of monitoring indicators in thermal power plants. There is an urgent need for a monitoring device that is flexibly adjustable, easy to maintain, reliably grounded, and deeply integrated with the MIS system. Utility Model Content

[0007] To address the shortcomings of existing technologies, this utility model provides a real-time monitoring device for thermal power plant index parameters based on a MIS system. It solves the technical problems of existing thermal power plant index parameter monitoring devices, such as inconvenient orientation adjustment, the need for overall disassembly and assembly for maintenance, poor grounding anti-interference capability, and insufficient data integration with the central MIS system of the thermal power plant, which lead to low monitoring efficiency, poor data accuracy, and insufficient intelligence level.

[0008] To achieve the above objectives, this utility model provides the following technical solution: A real-time monitoring device for thermal power plant index parameters based on MIS system includes a main frame, with a monitoring camera and a meteorological sensor group fixedly installed at the upper end of the main frame, and a grounding component installed at the lower end of the main frame, the grounding component including a connecting plate and four grounding bolts; The main frame has a display and a control box in the middle. The back of the display and the control box are fixed with collars. The bottom of the main frame is also fitted with another collar. The three collars are connected by an arc-shaped connecting piece. A connector is fixed on the connecting plate.

[0009] Preferably, a convex plate is fixed to the lower end of the main frame, and a connecting groove is provided at the lower end of the main frame; The connecting seat and the connecting groove are rotatably connected.

[0010] Preferably, the lower left side of the main frame is an arc-shaped surface, and a central groove is provided on the convex plate for the connecting seat to pass through; The connecting plate has a convex groove of a corresponding shape.

[0011] Preferably, the connecting plate has four threaded holes, and the convex plate has two holes.

[0012] Preferably, a positioning rod is fixed at the bottom of the main frame, and the positioning rod has holes.

[0013] Preferably, the two grounding bolts on the right pass through the holes on the convex plate and the two threaded holes on the right, and the holes on the positioning rod can be fitted with either grounding bolt.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The device utilizes a synergistic design of a connecting base and a positioning rod to facilitate convenient adjustment of the monitoring angle and display orientation. The connecting base rotates with the connecting groove at the lower end of the main frame, allowing the main frame to flexibly deflect around the connecting base. The positioning rod, by engaging with different grounding bolts, can quickly fix the angle of the main frame without requiring the entire device to be moved. For example, when it is necessary to adjust the shooting angle of the monitoring camera towards the boiler chimney or the orientation of the display towards the operating area, simply loosen the grounding bolt corresponding to the positioning rod, deflect the main frame, and then re-fix it. The operation process does not require disassembling core components, adapting to the dynamic needs of multiple monitoring points and multiple viewing angles in thermal power plants.

[0015] To address the pain point of existing equipment requiring complete disassembly and reassembly for maintenance, this device features a tiltable main frame structure: the lower left side of the main frame has an arc-shaped surface (to avoid movement interference), and a central groove in the convex plate allows the connecting seat to pass through. During maintenance, simply loosen the two grounding bolts on the convex plate and press down on the upper part of the main frame to tilt it around the connecting seat, lowering the high-mounted monitoring camera and meteorological sensor group to an easily accessible height. After maintenance, simply lift the main frame, reset it, and tighten the bolts. There is no need to disassemble the grounding components or core modules, shortening maintenance time and avoiding component wear caused by repeated disassembly and reassembly, thus reducing maintenance costs.

[0016] The grounding assembly of the device adopts a four-bolt fixing + convex structure adaptation design: the connecting plate is fixed to the ground by four grounding bolts, forming multi-point grounding, ensuring that the grounding resistance is stable at ≤4Ω, and effectively shielding the strong electromagnetic interference generated by the high-voltage equipment in the thermal power plant; at the same time, the convex plate and the convex groove of the connecting plate are precisely matched to prevent the grounding structure from shifting due to vibration (thermal power plant equipment is prone to vibration during operation), further ensuring grounding stability. This design reduces the degree of interference to monitoring data (such as dust concentration, temperature and humidity), improves data accuracy, and provides a reliable basis for indicator judgment.

[0017] The control box incorporates a data processing module for the MIS system, which can simultaneously receive video signals from monitoring cameras and environmental parameters from meteorological sensor arrays. After filtering and calibration, the data is displayed in real-time on a monitor, showing industrial dust indicators and equipment operating status. Simultaneously, it is uploaded to the power plant's central MIS system via Ethernet or 4G / 5G modules, achieving closed-loop management of "local display + remote monitoring + exceedance warning." Compared to the isolated local monitoring mode of existing devices, this device significantly improves the real-time performance and integration of data transmission, helping power plants achieve intelligent monitoring and refined management. Attached Figure Description

[0018] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0019] Figure 1 This is an overall structural diagram of the present invention; Figure 2 This is a structural diagram of the connecting plate in this utility model; Figure 3 This is a structural diagram of the collar in this utility model; Figure 4 This is a structural diagram of the equipment installed on the main frame in this utility model.

[0020] Legend: 1. Main frame; 2. Control box; 3. Display; 4. Connecting plate; 5. Collar; 6. Arc-shaped connecting piece; 7. Positioning rod; 9. Grounding bolt; 10. Connecting seat; 11. Threaded hole; 12. Convex groove; 13. Convex plate; 14. Intermediate groove. Detailed Implementation

[0021] This application provides a real-time monitoring device for thermal power plant index parameters based on a MIS system. It effectively solves the technical problems of existing thermal power plant index parameter monitoring devices, such as inconvenient orientation adjustment, the need for overall disassembly and assembly for maintenance, poor grounding anti-interference capability, and insufficient data integration with the central MIS system of the thermal power plant, which lead to low monitoring efficiency, poor data accuracy, and insufficient intelligence level. Example

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the overall technical solution in this application embodiment is as follows: To address the problems existing in the prior art, this utility model provides a real-time monitoring device for thermal power plant index parameters based on an MIS system. It aims to solve the technical problems of inconvenient orientation adjustment and low efficiency caused by the need for overall disassembly and assembly during maintenance of existing thermal power plant monitoring devices. The specific implementation method is described in detail below with reference to the accompanying drawings.

[0023] In this embodiment, the device uses the main frame 1 as the core support structure (preferably made of high-strength stainless steel, suitable for the high-temperature and dusty environment of a thermal power plant). The main frame 1 is divided into three functional areas: the upper end, the middle end, and the lower end. The components and connections of each area are as follows: Two sets of core monitoring components are fixed to the top of the main frame 1 with bolts: Monitoring camera device: an industrial-grade high-definition camera (with dustproof and high-temperature protection) is selected to capture the operating status of key equipment such as boilers and pipelines in the thermal power plant in real time, or the on-site environment such as dust diffusion and personnel operation in the plant area. The video data is directly transmitted to the control box 2 below.

[0024] Meteorological sensor group: includes wind speed sensor, wind direction sensor, temperature and humidity sensor and dust pretreatment module, which collects meteorological parameters (wind speed, wind direction, ambient temperature and humidity) and initial dust concentration data around the thermal power plant in real time, providing environmental benchmarks for index analysis.

[0025] The central area of ​​main frame 1 is the core functional area, where monitor 3 and control box 2 are installed: Display 3: Adopts an industrial-grade LED display screen to intuitively display the online monitoring indicators of industrial dust and key indicators of thermal power plants (PM2.5 concentration, PM10 concentration, TSP total suspended particulate matter concentration, etc.), and the data is transmitted in real time by control box 2.

[0026] Control Box 2: A sealed metal enclosure that integrates a data processing module, a power supply module, and a signal transmission module for the MIS system. The MIS system module receives video data from the monitoring camera and environmental parameters from the meteorological sensor group. After filtering and analysis, the data is transmitted to the display 3 and uploaded to the central MIS system of the thermal power plant via Ethernet or a 4G / 5G module for remote real-time monitoring. The power supply module provides a stable 24VDC power supply to the device.

[0027] Fixed structure: Both the back of the display 3 and the control box 2 are welded with collars 5 (the inner diameter matches the outer diameter of the main frame 1 with clearance fit). A third collar 5 is also fitted at the bottom of the main frame 1 near the grounding component. The three collars 5 are welded or bolted together by arc-shaped connecting pieces 6 to form a stable structure, ensuring that the display 3 and the control box 2 do not shake or shift.

[0028] The lower end of the main frame 1 is the core area for grounding fixation and angle adjustment, including the grounding component, the convex plate 13, and the connecting seat 10. The grounding assembly consists of a connecting plate 4 and four grounding bolts 9. The connecting plate 4 is a rectangular metal plate with four threaded holes 11 (rectangular distribution) through it. The four grounding bolts 9 pass through the threaded holes 11 to fix the connecting plate 4 to the ground or concrete foundation, so as to achieve grounding of the device (grounding resistance ≤4Ω) and avoid strong electromagnetic interference.

[0029] Convex plate 13: Welded and fixed to the lower end of the main frame 1, its shape is adapted to the convex groove 12 on the connecting plate 4; the middle groove 14 is opened in the middle of the convex plate 13 for the connecting seat 10 to pass through; at the same time, the convex plate 13 has two circular holes, which are coaxial with the two threaded holes 11 on the right side of the connecting plate 4.

[0030] The connecting seat 10 is vertically welded to the upper surface of the connecting plate 4, and its top end is rotatably connected to the connecting groove opened at the lower end of the main frame 1, so that the main frame 1 can be deflected around the connecting seat 10.

[0031] One end of the positioning rod 7 is welded and fixed to the bottom of the collar 5 located at the lowest end, and the other end has a circular hole (the hole diameter matches the outer diameter of the grounding bolt 9); the hole of the positioning rod 7 can be sleeved with any of the four grounding bolts 9 to fix the rotation angle of the collar 5.

[0032] Device installation steps: Grounding component fixing: Place the connecting plate 4 on the installation base of the monitoring point of the thermal power plant, and fix the connecting plate 4 firmly to the ground by passing four grounding bolts 9 through the four threaded holes 11 of the connecting plate 4 to ensure reliable grounding.

[0033] Connecting the main frame 1 to the grounding component: Align the lower end of the main frame 1 with the connecting seat 10 on the connecting plate 4, so that the connecting seat 10 passes through the middle groove 14 of the convex plate 13, and complete the rotational connection between the main frame 1 and the connecting plate 4; at this time, the convex plate 13 is embedded in the convex groove 12 of the connecting plate 4 to achieve initial positioning.

[0034] Intermediate module installation: Place the collars 5 on the back of the display 3 and control box 2 onto the corresponding positions in the middle of the main frame 1, and then place the third collar 5 on the bottom of the main frame 1 near the convex plate 13; connect the three collars 5 one by one with the arc-shaped connecting piece 6, and tighten the bolts to ensure that the display 3 and control box 2 are vertically stable.

[0035] Positioning and final fixing: Connect the hole at the free end of the positioning rod 7 to the nearest grounding bolt 9, and tighten the two grounding bolts 9 on the right side (passing through the hole in the convex plate 13 and the threaded hole 11 on the right side of the connecting plate 4) to complete the fixing of the display direction.

[0036] Line connection and debugging: Connect the signal lines of the monitoring camera and meteorological sensor group to the signal interface of control box 2, and connect the power supply line of control box 2 to the plant power supply system; start the device to debug the data transmission function of the MIS system, and ensure that the display 3 can display the monitoring data normally and that the data can be uploaded to the central MIS system.

[0037] Working principle and operation procedure of the device: 1. Real-time monitoring process for indicator parameters: The monitoring camera device captures real-time video of the scene (such as boiler chimney emissions and coal conveyor belt operation), and the video signal is transmitted to the MIS system module of control box 2; The meteorological sensor group collects raw data on ambient wind speed, wind direction, temperature, humidity and dust concentration in real time and transmits them to control box 2 via wired / wireless means; The MIS system module processes video signals (compressed and stored) and environmental parameters (filtering, calibration, and elimination of electromagnetic interference), and compares them with preset threshold values ​​of the thermal power plant. The processing results are transmitted to the display 3 in real time and simultaneously uploaded to the central MIS system via the network; if the indicators exceed the limits, the control box 2 can be connected to an external audible and visual alarm to trigger an alarm.

[0038] 2. Monitoring azimuth adjustment operation: When the orientation of the displayed information needs to be adjusted: Loosen the grounding bolt 9 connected to the positioning rod 7, and release the angle fixation of the collar 5 to adjust the display direction.

[0039] 3. Equipment maintenance operations: When the monitoring camera device, weather sensor group, or display needs to be inspected: Loosen the two grounding bolts 9 on the right side that pass through the convex plate 13 to release the vertical limit of the main frame 1; Press down on the upper end of the main frame 1 to make the main frame 1 deflect downward around the connecting seat 10 (the lower left side of the main frame 1 is an arc surface to avoid movement interference) until the height of the main frame 1 is reduced to a position that is convenient for maintenance (e.g., from 3m to 1.5m). After maintenance, the main frame 1 is lifted up to restore its vertical position, and the two grounding bolts 9 on the right side are tightened to reset it; the entire device does not need to be disassembled, thus improving maintenance efficiency.

[0040] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A real-time monitoring device for index parameters of a thermal power plant based on a MIS system, characterized in that, The main frame (1) is fixedly installed with a monitoring camera and a meteorological sensor group at the upper end of the main frame (1), and a grounding component is installed at the lower end of the main frame (1). The grounding component includes a connecting plate (4) and four grounding bolts (9). The main frame (1) has a display (3) and a control box (2) in the middle part. Both the back of the display (3) and the control box (2) are fixed with collars (5). The bottom of the main frame (1) is also fitted with another collar (5). The three collars (5) are connected by an arc-shaped connecting piece (6). A connecting seat (10) is fixed on the connecting plate (4).

2. The real-time monitoring device for index parameters of a thermal power plant based on a MIS system according to claim 1, characterized in that, A convex plate (13) is fixed at the lower end of the main frame (1), and a connecting groove is provided at the lower end of the main frame (1); The connecting seat (10) and the connecting groove are rotatably connected.

3. The real-time monitoring device for index parameters of a thermal power plant based on a MIS system according to claim 2, characterized in that, The lower left side of the main frame (1) is an arc-shaped surface, and the convex plate (13) has a middle groove (14) for the connecting seat (10) to pass through; The connecting plate (4) has a convex groove (12) of a corresponding shape.

4. The real-time monitoring device for index parameters of a thermal power plant based on a MIS system according to claim 3, characterized in that, The connecting plate (4) has four threaded holes (11) through it, and the convex plate (13) has two holes.

5. The real-time monitoring device for thermal power plant index parameters based on a MIS system as described in claim 4, characterized in that, A positioning rod (7) is fixed to the bottom of the collar (5) at the lowest end, and the positioning rod (7) has a hole.

6. The real-time monitoring device for index parameters of a thermal power plant based on a MIS system according to claim 5, characterized in that, The two grounding bolts (9) on the right side pass through the holes on the convex plate (13) and the two threaded holes (11) on the right side. The hole on the positioning rod (7) can be fitted with either grounding bolt (9).

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