Equipotential grounding system of thermal power plant

Abstract

The invention provides a thermal power plant equipotential grounding system, and relates to the technical field of thermal power plant safety. The equipotential grounding system of the thermal power plant comprises a plurality of placing mechanisms and a data transmission module, a plurality of grounding mechanisms are fixedly arranged at the lower ends of the placing mechanisms, a protection frame is fixedly arranged on the peripheries of the grounding mechanisms, and the data transmission module is connected with a data acquisition module and a condition feedback module. The data transmission module is connected with an upper computer, and the upper computer is connected with a data analysis module. The grounding electrode is arranged, the length of the grounding electrode can be adjusted according to the use requirement of a user, and the anti-corrosion layer is arranged outside the grounding electrode and is made of silicon germanium alloy, so that the good conductivity of the grounding electrode is ensured, and meanwhile, the service life of the grounding electrode is prolonged. And the stability of the grounding electrode in underground long-time use is improved, and the safety and the service life of the whole system in use are improved.

Description

Technical Field

[0001] The invention relates to the technical field of safety of thermal power plants, in particular to an equipotential grounding system of a thermal power plant. Background Art

[0002] As an important power supply unit, the safe operation of thermal power plant equipment is crucial to ensuring the stable operation of the power grid. Improving the stability of the equipotential grounding system can effectively prevent equipment damage and casualties caused by grounding faults, and improve the safety production level of thermal power plants.

[0003] The equipotential grounding system is an important part of the power system, and its stability is directly related to the stable operation of the power grid. By improving the stability of the grounding system, the impact of system grounding faults on the power system can be reduced, ensuring the stability and reliability of the power system. The existing equipotential grounding system usually buries the grounding electrode directly underground and connects the electrical equipment to it through wires. In actual use, the grounding electrode is susceptible to environmental corrosion, has a short overall service life, and has poor stability. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides an equipotential grounding system for a thermal power plant, which solves the problems of the existing equipotential grounding system having a small application range, poor stability and poor reliability.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an equipotential grounding system for a thermal power plant, comprising a plurality of placement mechanisms and a data transmission module, a plurality of grounding mechanisms are fixedly arranged at the lower ends of the plurality of placement mechanisms, a plurality of grounding mechanisms are fixedly arranged with a protective frame on the periphery, the data transmission module is connected to a data acquisition module and a situation feedback module, the data transmission module is connected to a host computer, and the host computer is connected to a data analysis module;

[0006] The placement mechanism includes a placement plate, a plurality of through holes are opened on the upper surface of the placement plate at equal intervals, the grounding mechanism includes an adjustment mechanism, a fixing mechanism is fixedly arranged at the bottom end of the adjustment mechanism, a mounting frame is fixedly arranged at one side of the bottom end of the fixing mechanism, a soil temperature and humidity sensor is fixedly arranged at the bottom end of the mounting frame, and a soil conductivity sensor is fixedly arranged at the center of the bottom end of the soil temperature and humidity sensor.

[0007] Preferably, a mounting plate is fixedly provided on the upper end of the adjustment mechanism, four positioning plates are fixedly provided on the upper surface of the mounting plate, and splitting grooves are provided at the bottom ends of the four positioning plates.

[0008] Preferably, the adjustment mechanism comprises a threaded sleeve, the internal threads of the threaded sleeve are provided with a threaded rod, and an insulating plate is fixedly provided at the bottom end of the threaded sleeve.

[0009] Preferably, a rotating shaft is fixedly provided on the upper end of the threaded rod, and a connecting plate is rotatably provided on the upper end of the rotating shaft.

[0010] Preferably, the fixing mechanism comprises a protective shell, a grounding electrode is slidably arranged inside the protective shell, and an anti-corrosion layer is fixedly arranged on the outer surface of the grounding electrode.

[0011] Preferably, a fixing ring is fixedly provided at the bottom end of the protective shell, and a fixing knob is threadedly provided at the middle position of one end of the fixing ring.

[0012] Preferably, the data acquisition module includes a soil information acquisition module and a device information acquisition module, the soil information acquisition module is connected to a soil temperature and humidity acquisition module and a soil conductivity acquisition module, and the device information acquisition module is connected to a distribution depth acquisition module and a distribution spacing acquisition module.

[0013] Preferably, the situation feedback module includes a danger alarm module and an emergency processing module, the danger alarm module is connected to an on-site alarm module and a remote alarm module, and the emergency processing module is connected to a solution mobilization module.

[0014] Preferably, the data transmission module comprises a data transceiver, and the data transceiver is connected to a Bluetooth transmission module and a wireless network transmission module.

[0015] Preferably, the data analysis module includes a data analysis program, and the data analysis program is connected to a ground resistance measurement module and a soil conductivity comparison module.

[0016] Working principle: When the system is in use, according to the use requirements, the installation hole is dug at the required depth at the location where the equipment needs to be installed, the fixing knob is loosened, and the grounding electrode is extended to an appropriate length. After the adjustment is completed, the fixing knob is tightened again, and the length of the grounding electrode is fixed by the fixing ring. After the fixing is completed, the mounting frame together with the soil temperature and humidity sensor and the soil conductivity sensor at its bottom are inserted into the laid soil to complete the fixation of multiple grounding mechanisms. After the grounding mechanism is fixed, according to the range of the system setting, a protective frame of appropriate size is selected and fixed to the periphery of multiple grounding mechanisms. After the fixation is completed, the threaded rod is turned to adjust the mounting plate above it to the same height. After the adjustment is completed, the placement plate is fixed by the mounting plate and the positioning plate. The unused positioning plate can be removed through the split slot. The user places the device to be connected on the surface of the placement plate, connects its outer casing to the surface of the grounding electrode through the line through the through hole, and completes the connection. Use During the process, when the equipment leaks electricity, the current can be conducted into the ground to achieve grounding. At the same time, during use, the data acquisition module can collect the temperature, humidity and conductivity information of the soil through the soil temperature and humidity acquisition module and the soil conductivity acquisition module under the soil information acquisition module in combination with the soil temperature and humidity sensor and the soil conductivity sensor. At the same time, the insertion depth and spacing of each grounding electrode are measured and recorded through the distribution depth acquisition module and the distribution spacing acquisition module under the device information acquisition module in combination with manual measurement. After the data acquisition is completed, it can be transmitted to the data analysis module through the data transmission module. The grounding resistance is calculated through the data analysis program combined with the measured data, and the soil conductivity is compared with the safety value. If an abnormal situation occurs, the data will be fed back to the situation feedback module, and the dangerous situation will be alarmed through the on-site alarm module and the remote alarm module under the danger alarm module. The emergency plan will be mobilized through the plan mobilization module under the emergency processing module to improve the stability of the system.

[0017] The present invention provides an equipotential grounding system for a thermal power plant, which has the following beneficial effects:

[0018] 1. The present invention provides an equipotential grounding system for a thermal power plant. Compared with the existing equipotential grounding system, the equipotential grounding system is provided with a soil conductivity sensor and a soil temperature and humidity sensor at the lower end of its grounding structure. Combined with the data analysis module provided therein, the user can collect various soil information at the location where the system is arranged when using it. When an abnormal situation occurs, an alarm is issued in time to improve the stability of the system operation. At the same time, the length of the grounding electrode can be adjusted according to the user's usage requirements. An anti-corrosion layer is provided outside the grounding electrode, and the anti-corrosion layer is composed of a silicon-germanium alloy. While ensuring that the grounding electrode has good conductivity, the stability of the grounding electrode when used underground for a long time is improved, and the safety and service life of the overall system are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a first axonometric schematic diagram of the present invention;

[0020] Figure 2 is a second axonometric schematic diagram of the present invention;

[0021] Figure 3 It is a rear axonometric schematic diagram of the grounding mechanism of the present invention;

[0022] Figure 4 It is a front axonometric schematic diagram of the grounding mechanism of the present invention;

[0023] Figure 5 It is a front cross-sectional schematic diagram of the adjustment mechanism of the present invention;

[0024] Figure 6 It is a front cross-sectional schematic diagram of the fixing mechanism of the present invention;

[0025] Figure 7 It is a schematic diagram of the system working process of the present invention;

[0026] Figure 8 It is a flow chart of the data acquisition module of the present invention;

[0027] Fig. 9 It is a flow chart of the situation feedback module of the present invention;

[0028] Fig.10 It is a flow chart of the data transmission module of the present invention;

[0029] Fig.11 It is a flow chart of the data analysis module of the present invention.

[0030] Among them, 1. placement mechanism; 2. grounding mechanism; 3. protection frame; 4. data acquisition module; 5. situation feedback module; 6. data transmission module; 7. host computer; 8. data analysis module; 101. placement plate; 102. through hole; 201. positioning plate; 202. mounting plate; 203. splitting slot; 204. adjustment mechanism; 205. fixing mechanism; 206. mounting frame; 207. soil temperature and humidity sensor; 208. soil conductivity sensor; 20401. connecting plate; 20402. rotating shaft; 20403. threaded rod; 20404. threaded sleeve; 20405. insulating plate; 20501. protective shell; 20502. anti-corrosion layer; 20503. Grounding electrode; 20504, fixing ring; 20505, fixing knob; 401, soil information acquisition module; 402, soil temperature and humidity acquisition module; 403, soil conductivity acquisition module; 404, device information acquisition module; 405, distribution depth acquisition module; 406, distribution spacing acquisition module; 501, danger alarm module; 502, on-site alarm module; 503, remote alarm module; 504, emergency processing module; 505, program mobilization module; 601, data transceiver; 602, Bluetooth transmission module; 603, wireless network transmission module; 801, data analysis program; 802, grounding resistance measurement module; 803, soil conductivity comparison module. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figure 1-11 As shown, the embodiment of the present invention provides an equipotential grounding system for a thermal power plant, including multiple placement mechanisms 1 and a data transmission module 6. Multiple grounding mechanisms 2 are fixedly arranged at the lower ends of the multiple placement mechanisms 1, which is convenient for realizing the grounding function of the device. A protective frame 3 is fixedly arranged on the periphery of the multiple grounding mechanisms 2, which is conducive to warning the surrounding personnel during daily use. The data transmission module 6 is connected to a data acquisition module 4 and a situation feedback module 5. The data transmission module 6 is connected to a host computer 7, and the host computer 7 is connected to a data analysis module 8, which is conducive to realizing the internal data transmission function when the system is used;

[0033] The placement mechanism 1 includes a placement plate 101, and a plurality of through holes 102 are provided at equal intervals on the upper surface of the placement plate 101, so that the user can place the electrical equipment and connect it to the whole system through lines. The grounding mechanism 2 includes an adjustment mechanism 204, and a fixing mechanism 205 is fixedly provided at the bottom end of the adjustment mechanism 204. A mounting frame 206 is fixedly provided on one side of the bottom end of the fixing mechanism 205. A soil temperature and humidity sensor 207 is fixedly provided at the bottom end of the mounting frame 206, and a soil conductivity sensor 208 is fixedly provided at the center of the bottom end of the soil temperature and humidity sensor 207, so as to realize the function of collecting the temperature, humidity and conductivity of the soil in the environment when the device is used. A mounting plate 202 is fixedly provided at the upper end of the adjustment mechanism 204, and four positioning plates 201 are fixedly provided on the upper surface of the mounting plate 202. Splitting grooves 203 are provided at the bottom ends of the four positioning plates 201, so that the user can adjust the number of positioning plates 204 according to usage.

[0034] The adjusting mechanism 204 includes a threaded sleeve 20404, the inner thread of the threaded sleeve 20404 is provided with a threaded rod 20403, the bottom of the threaded sleeve 20404 is fixedly provided with an insulating plate 20405, so that the user can adjust the overall length of the adjusting mechanism 204, the upper end of the threaded rod 20403 is fixedly provided with a rotating shaft 20402, and the upper end of the rotating shaft 20402 is rotatably provided with a connecting plate 20401, so that the user can adjust the positioning plate 201 above the adjusting mechanism to the same angle, so that the user can subsequently install the placing mechanism 1 as a whole, and the fixing mechanism 205 includes a protective shell 20501, which is provided with an insulating plate 20405. A grounding electrode 20503 is slidably arranged inside the protective shell 20501, and an anti-corrosion layer 20502 is fixedly arranged on the outer surface of the grounding electrode 20503. The anti-corrosion layer 20502 is made of silicon-germanium alloy. While ensuring the conductivity of the grounding electrode 20503, it can reduce the corrosion of the soil to the entire device, thereby improving the stability and service life of the overall system. A fixing ring 20504 is fixedly arranged at the bottom of the protective shell 20501, and a fixing knob 20505 is threadedly arranged in the middle position of one end of the fixing ring 20504, which is convenient for the user to fix it after adjusting the length of the grounding electrode 20503.

[0035] The data acquisition module 4 includes a soil information acquisition module 401 and a device information acquisition module 404. The soil information acquisition module 401 is connected to a soil temperature and humidity acquisition module 402 and a soil conductivity acquisition module 403. The device information acquisition module 404 is connected to a distribution depth acquisition module 405 and a distribution spacing acquisition module 406, which is conducive to realizing the collection function of various data of the soil and devices in the system. The situation feedback module 5 includes a danger alarm module 501 and an emergency processing module 504. The danger alarm module 501 is connected to a field alarm module 502 and a remote alarm module 503, which is convenient for The system will give prompt reminders when an abnormal situation occurs. The emergency processing module 504 is connected to the plan mobilization module 505, which is convenient for timely mobilization of the system's emergency plan. The data transmission module 6 includes a data transceiver 601, and the data transceiver 601 is connected to a Bluetooth transmission module 602 and a wireless network transmission module 603, which is conducive to realizing the data transmission function when the system is in use. The data analysis module 8 includes a data analysis program 801, and the data analysis program 801 is connected to a ground resistance measurement module 802 and a soil conductivity comparison module 803, which is convenient for processing internal data when the system is in use.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An equipotential grounding system for a thermal power plant, comprising a plurality of placement mechanisms (1) and a data transmission module (6), characterized in that: A plurality of grounding mechanisms (2) are fixedly arranged at the lower ends of the plurality of placement mechanisms (1), a protective frame (3) is fixedly arranged on the periphery of the plurality of grounding mechanisms (2), the data transmission module (6) is connected to a data acquisition module (4) and a situation feedback module (5), the data transmission module (6) is connected to a host computer (7), and the host computer (7) is connected to a data analysis module (8); The placement mechanism (1) comprises a placement plate (101), the upper surface of the placement plate (101) being provided with a plurality of through holes (102) at equal intervals, the grounding mechanism (2) comprising an adjustment mechanism (204), a fixing mechanism (205) being fixedly arranged at the bottom end of the adjustment mechanism (204), a mounting frame (206) being fixedly arranged at one side of the bottom end of the fixing mechanism (205), a soil temperature and humidity sensor (207) being fixedly arranged at the bottom end of the mounting frame (206), and a soil conductivity sensor (208) being fixedly arranged at the center of the bottom end of the soil temperature and humidity sensor (207).

2. The equipotential grounding system of a thermal power plant according to claim 1, characterized in that: A mounting plate (202) is fixedly arranged on the upper end of the adjustment mechanism (204), four positioning plates (201) are fixedly arranged on the upper surface of the mounting plate (202), and splitting grooves (203) are provided at the bottom ends of the four positioning plates (201).

3. The equipotential grounding system of a thermal power plant according to claim 1, characterized in that: The adjustment mechanism (204) comprises a threaded sleeve (20404), the internal thread of the threaded sleeve (20404) being provided with a threaded rod (20403), and the bottom end of the threaded sleeve (20404) being fixedly provided with an insulating plate (20405).

4. The equipotential grounding system of a thermal power plant according to claim 3, characterized in that: A rotating shaft (20402) is fixedly disposed on the upper end of the threaded rod (20403), and a connecting plate (20401) is rotatably disposed on the upper end of the rotating shaft (20402).

5. The equipotential grounding system of a thermal power plant according to claim 1, characterized in that: The fixing mechanism (205) comprises a protective shell (20501), a grounding electrode (20503) is slidably arranged inside the protective shell (20501), and an anti-corrosion layer (20502) is fixedly arranged on the outer surface of the grounding electrode (20503).

6. The equipotential grounding system of a thermal power plant according to claim 5, characterized in that: A fixing ring (20504) is fixedly arranged at the bottom end of the protective shell (20501), and a fixing knob (20505) is threadedly arranged at the middle position of one end of the fixing ring (20504).

7. The equipotential grounding system of a thermal power plant according to claim 1, characterized in that: The data acquisition module (4) comprises a soil information acquisition module (401) and a device information acquisition module (404); the soil information acquisition module (401) is connected to a soil temperature and humidity acquisition module (402) and a soil conductivity acquisition module (403); and the device information acquisition module (404) is connected to a distribution depth acquisition module (405) and a distribution spacing acquisition module (406).

8. The equipotential grounding system of a thermal power plant according to claim 1, characterized in that: The situation feedback module (5) comprises a danger alarm module (501) and an emergency processing module (504), wherein the danger alarm module (501) is connected to an on-site alarm module (502) and a remote alarm module (503), and the emergency processing module (504) is connected to a plan mobilization module (505).

9. The equipotential grounding system of a thermal power plant according to claim 1, characterized in that: The data transmission module (6) comprises a data transceiver (601), and the data transceiver (601) is connected to a Bluetooth transmission module (602) and a wireless network transmission module (603).

10. The equipotential grounding system of a thermal power plant according to claim 1, characterized in that: The data analysis module (8) comprises a data analysis program (801), and the data analysis program (801) is connected to a ground resistance calculation module (802) and a soil conductivity comparison module (803).

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