Real-time online monitoring and early warning device for tilt of distribution network tower in icing environment

Abstract

The present application relates to the technical field of tower tilt early warning, in particular to a real-time online monitoring and early warning device for distribution network tower tilt under icing environment, which comprises a warning mechanism, an ice crushing mechanism and a blowing mechanism, the warning mechanism comprises a tower and a climbing sleeve slidingly sleeved on the outer side of the tower, in the present application, a motor drives the rotation of the drum, the climbing sleeve is driven to automatically climb along the tower by the friction force between the drum and the tower, the support disc and the measuring disc fixed on the front and back sides of the climbing sleeve and the laser transmitter and the laser receiver installed between the two are matched, three groups of independent posture detection are completed at the lower part, the middle part and the upper part of the tower respectively; the industrial computer comprehensively compares the detection data of three groups of different height positions, effectively overcomes the defect of insufficient space coverage of the traditional fixed point single parameter detection method, avoids the data distortion caused by local deformation of a single measuring point, and significantly improves the accuracy and reliability of tower tilt monitoring.

Description

Technical Field

[0001] This invention relates to the field of pole tilt early warning technology, and in particular to a real-time online monitoring and early warning device for the tilt of distribution network poles under icing conditions. Background Technology

[0002] Distribution network towers are structures used in distribution networks to support and fix conductors, insulators, and other equipment. They primarily undertake the important tasks of supporting conductors, maintaining line spacing, and ensuring safe power transmission. To avoid the dangers of corona discharge and induced electrostatic fields to people, the towers used for high-voltage and ultra-high-voltage transmission lines must be of sufficient height, and the transmission lines erected on the towers must be spaced considerably apart.

[0003] Existing tilt detection systems for power distribution towers in icy areas generally employ a fixed-point, single-parameter detection method. This involves installing a single tilt sensor at a predetermined location on the tower, using the static tilt reading at that point as the sole criterion for determining the tower's tilt status. This detection method has significant shortcomings: First, a single-point setup cannot cover the deformation modes of the entire tower height, and the "local tilt" at the measuring point is not equivalent to the "true tilt" of the entire tower. Second, this "one-size-fits-all" approach is highly prone to misjudgment in complex icy environments. Summary of the Invention

[0004] The purpose of this invention is to provide a real-time online monitoring and early warning device for the tilt of power distribution towers in icy environments, so as to significantly improve the accuracy and reliability of tower tilt monitoring.

[0005] To achieve the above objectives, this invention provides a real-time online monitoring and early warning device for the tilt of power distribution towers under icing conditions, comprising a warning mechanism, an ice-breaking mechanism, and a blowing mechanism. The warning mechanism includes a tower, a climbing sleeve slidably fitted to the outside of the tower, a roller located inside the climbing sleeve and attached to one side of the tower, a motor fixedly connected to the outer wall of the climbing sleeve, two support plates fixedly connected to the front and rear sides of the climbing sleeve, two measuring discs located at the bottom of the two support plates, a connecting rope fixedly connected between the support plates and the measuring discs, a laser emitter fixedly connected to the inner top surface of the support plate, a laser receiver fixedly connected to the center of the top of the measuring disc, an industrial control computer fixedly connected to the inner wall of the climbing sleeve, and two alarms fixedly connected to the center of the top of the two support plates. The roller is fixedly fitted to the outside of the output shaft of the motor. The laser emitter, laser receiver, and alarms are all connected to the industrial control computer. Electrical connection, ice-crushing mechanism, the ice-crushing mechanism includes an annular plate rotatably engaged with the climbing sleeve, three rods fixed to the outside of the annular plate, three needles fixed to the inside of the rods, blade one and blade two interference-fitted to the inside of the rods, multiple tooth blocks arranged around the outside of the climbing sleeve and fixed to the bottom of the annular plate, a gear meshing with one side of the annular plate through the multiple tooth blocks, a motor two fixed between the bottom of the climbing sleeve and the gear, and a blow-off mechanism, the blow-off mechanism includes a sleeve plate fixedly connected between the outer wall of the climbing sleeve and the body of the motor two, a rotating shaft rotatably engaged with the sleeve plate, two pulleys respectively sleeved to the outside of the output shaft of the motor two and the outside of the rotating shaft, a belt connected between the two pulleys, a fan blade fixedly sleeved to the top of the rotating shaft, and a tube frame movably sleeved to the outside of the fan blade, the bottom end of the tube frame being fixed to the top of the sleeve plate.

[0006] By adopting the above technical solution, a motor drives the drum to rotate, and the friction between the drum and the tower drives the climbing sleeve to automatically climb along the tower. With the support plate and measuring plate fixed to the front and rear sides of the climbing sleeve, as well as the laser transmitter and laser receiver installed between them, three sets of independent attitude detections are completed at the lower, middle and upper parts of the tower respectively. The industrial control computer comprehensively compares the detection data of the three sets of different height positions, which effectively overcomes the defects of insufficient spatial coverage of the traditional fixed point single parameter detection method, avoids data distortion caused by local deformation of a single measuring point, and significantly improves the accuracy and reliability of tower tilt monitoring.

[0007] Preferably, the two measuring discs are vertically coaxial with the two support discs, and the measuring discs are made of transparent material.

[0008] Preferably, the laser emitter is concentrically arranged with the support plate, and the two laser receivers are vertically coaxial with the two laser emitters respectively.

[0009] Preferably, the frame includes three curved rods and an arc rod. The three curved rods are equally spaced and arranged in an arc shape. The arc rod is horizontally positioned and its body is fixedly inserted through the three curved rods.

[0010] Preferably, six baffles are fixedly sleeved on the outer side of the arc rod, and the six baffles are arranged in pairs to form three groups, with two baffles in each group respectively attached to both sides of the three curved rods.

[0011] Preferably, the first blade is located between the top of the needle and the bottom of the second blade, the bottom of the needle is in contact with the top of the annular plate, and the distance between the first blade and the tower is smaller than the distance between the second blade and the tower.

[0012] Preferably, a cap is screwed to the top of the crank, and the bottom of the cap is press-fitted to the top of the second blade.

[0013] Preferably, the rotating shaft includes a rod body and multiple retaining rings, which are equidistantly spaced and arranged in a row to be movably engaged inside the sleeve plate, and the retaining rings are fixedly sleeved at the bottom end of the rotating shaft.

[0014] Preferably, the tube frame includes a tube body and four T-bars, the four tube frames are arranged in a ring and fixed between the bottom end of the tube body and the top of the sleeve plate.

[0015] Preferably, a base is welded to the bottom of the tower, and multiple bolts are screwed onto the base.

[0016] By adopting the above technical solution, the beneficial effects achieved by the present invention are as follows:

[0017] 1. In this invention, a motor drives a roller to rotate, and the friction between the roller and the tower drives the climbing sleeve to automatically climb along the tower. Combined with support plates and measuring plates fixed to the front and rear sides of the climbing sleeve, and a laser transmitter and receiver installed between them, three sets of independent attitude detections are completed at the lower, middle, and upper parts of the tower. The industrial control computer comprehensively compares the detection data from the three sets of different height positions, effectively overcoming the shortcomings of insufficient spatial coverage in traditional fixed-point single-parameter detection methods, avoiding data distortion caused by local deformation of a single measuring point, and significantly improving the accuracy and reliability of tower tilt monitoring.

[0018] 2. The second motor drives the gear to rotate, and the gear drives the annular plate and the three rods fixed to the outside of the annular plate to rotate synchronously through the tooth block. This causes the needles, blade one and blade two, which are interference-fitted to the inside of the rods, to break up the ice layer on the tower surface from the outside to the inside during the rotation. This effectively removes the ice obstacles that hinder the upward movement of the climbing sleeve, prevents the climbing sleeve from getting stuck due to the ice layer, and ensures that the climbing sleeve can be smoothly transferred between different detection positions at different heights, providing reliable motion support for multi-point detection.

[0019] 3. When motor 2 is running, it drives the shaft and fan blades to rotate synchronously through two pulleys and belts. The airflow generated by the fan blades is concentrated and guided by the pipe rack and blows directly to the top area of ​​the climbing sleeve. This blows away the ice fragments generated by the needles, blade 1, and blade 2 from the tower surface in a timely manner, effectively preventing ice fragments from accumulating on the top of the climbing sleeve or the outer wall of the tower and refreezing and getting stuck. At the same time, the blown ice fragments fly away from the device with the airflow, avoiding the interference of ice fragment residue on subsequent detection and climbing movement, and further ensuring the continuity and stability of the multi-point detection process. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0021] Figure 1 This is a perspective view of the overall structure of the present invention;

[0022] Figure 2 This is a bottom view of the overall structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the warning mechanism of the present invention;

[0024] Figure 4 This is a schematic diagram showing the installation position of the roller and motor of the present invention;

[0025] Figure 5 This is a schematic diagram showing the cooperation relationship between the ice-crushing mechanism and the blowing mechanism of the present invention;

[0026] Figure 6 This is a schematic diagram of the ice-crushing mechanism of the present invention;

[0027] Figure 7 This is a schematic diagram showing the cooperation relationship between the rod frame, the baffle, and the screw cap of the present invention;

[0028] Figure 8 This is a schematic diagram of the blowing mechanism of the present invention;

[0029] Figure 9 This is a perspective view of the rotating shaft of the present invention;

[0030] Figure 10 This is a perspective view of the pipe rack of the present invention.

[0031] Figure label:

[0032] 100. Warning mechanism; 110. Pole; 120. Climbing sleeve; 130. Roller; 140. Motor 1; 150. Support plate; 160. Measuring plate; 170. Connecting rope; 180. Laser transmitter; 190. Laser receiver; 191. Industrial control computer; 192. Alarm;

[0033] 200. Ice crushing mechanism; 210. Circular plate; 220. Rod frame; 221. Curved rod; 222. Arc rod; 230. Needle; 240. Blade one; 250. Blade two; 260. Tooth block; 270. Gear; 280. Motor two;

[0034] 300. Blow-off mechanism; 310. Sleeve plate; 320. Shaft; 321. Rod; 322. Snap ring; 330. Pulley; 340. Belt; 350. Fan blade; 360. Pipe rack; 361. Pipe body; 362. T-bar;

[0035] 400, baffle plate;

[0036] 500, screw cap;

[0037] 600. Base. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Example 1:

[0040] Combination Figures 1-10As shown, the real-time online monitoring and early warning device for the tilt of power distribution towers under icing conditions provided by the present invention includes an alarm mechanism 100, an ice-breaking mechanism 200, and an ice-blowing mechanism 300. The alarm mechanism 100 includes a tower 110, a climbing sleeve 120 slidably sleeved on the outside of the tower 110, a roller 130 located inside the climbing sleeve 120 and attached to one side of the tower 110, a motor 140 whose body is fixedly connected to the outer wall of the climbing sleeve 120, two support plates 150 respectively fixedly connected to the front and rear sides of the climbing sleeve 120, and a motor 140 located at the bottom of the two support plates 150. The system includes two measuring discs 160, a connecting rope 170 fixed between the support disc 150 and the measuring disc 160, a laser emitter 180 fixed to the inner top surface of the support disc 150, a laser receiver 190 fixed to the center of the top of the measuring disc 160, an industrial control computer 191 fixed to the inner wall of the climbing sleeve 120, and two alarms 192 respectively fixed to the center of the top of the two support discs 150. The roller 130 is fixedly sleeved on the outside of the output shaft of the motor 140. The laser emitter 180, the laser receiver 190, and the alarms 192 are all electrically connected to the industrial control computer 191.

[0041] Ice-crushing mechanism 200 includes an annular plate 210 rotatably engaged with the climbing sleeve 120, three rods 220 fixed to the outside of the annular plate 210, three needles 230 fixed to the inside of the rods 220, a first blade 240 and a second blade 250 interference-fitted to the inside of the rods 220, a plurality of tooth blocks 260 arranged around the outside of the climbing sleeve 120 and fixed to the bottom of the annular plate 210, a gear 270 meshing with one side of the annular plate 210 through the plurality of tooth blocks 260, and a second motor 280 fixed between the bottom of the climbing sleeve 120 and the gear 270.

[0042] The blowing-off mechanism 300 includes a sleeve plate 310 fixedly connected between the outer wall of the climbing sleeve 120 and the body of the second motor 280, a rotating shaft 320 rotatably engaged with the sleeve plate 310, two pulleys 330 respectively sleeved on the outer side of the output shaft of the second motor 280 and the outer side of the rotating shaft 320, a belt 340 connected between the two pulleys 330, a fan blade 350 fixedly sleeved on the top of the rotating shaft 320, and a tube frame 360 ​​movably sleeved on the outer side of the fan blade 350. The bottom end of the tube frame 360 ​​is fixedly connected to the top of the sleeve plate 310.

[0043] Furthermore, the two measuring discs 160 are vertically coaxial with the two support discs 150 respectively. The measuring discs 160 are made of transparent material. The use of transparent material to make the measuring discs 160 allows the laser to pass through the measuring discs 160 to the ground when the laser emitter 180 encounters the tilted tower 110, giving on-site personnel a quick understanding of the tower 110's condition.

[0044] Furthermore, the laser emitter 180 is concentrically arranged with the support plate 150, and the two laser receivers 190 are vertically coaxial with the two laser emitters 180 respectively, ensuring that the laser beams are vertically aligned and improving the initial accuracy of tilt detection.

[0045] Furthermore, the first blade 240 is located between the top of the needle 230 and the bottom of the second blade 250. The bottom of the needle 230 is in contact with the top of the annular plate 210. The distance between the first blade 240 and the tower 110 is smaller than the distance between the second blade 250 and the tower 110. This layout design forms a gradient ice-breaking structure from the inside out and from coarse to fine, peeling away the ice layer by layer, improving the ice-breaking efficiency and avoiding damage to the surface of the tower 110.

[0046] Furthermore, the rotating shaft 320 includes a rod body 321 and multiple retaining rings 322. The multiple retaining rings 322 are equidistantly spaced and arranged in a row to be movably engaged inside the sleeve plate 310. The retaining rings 322 are fixedly sleeved on the bottom end of the rotating shaft 320 to ensure that the rotating shaft 320 is axially positioned and stable during rotation, prevents movement, and ensures that the fan blade 350 operates smoothly.

[0047] Furthermore, the tube frame 360 ​​includes a tube body 361 and four T-bars 362. The four tube frames 360 are arranged in a ring and fixed between the bottom end of the tube body 361 and the top of the sleeve plate 310, so that the airflow generated by the fan blade 350 is concentrated and guided by the tube body 361 and blown out in a ring evenly, expanding the range of ice fragments blown off and improving the de-icing effect.

[0048] Example 2:

[0049] Combination Figure 1-2 and Figure 5-7 As shown, based on Embodiment 1, the frame 220 includes three curved rods 221 and an arc rod 222. The three curved rods 221 are equally spaced and arranged in an arc shape. The arc rod 222 is horizontally set and the rod body is fixedly inserted through the three curved rods 221, which enhances the overall structural rigidity of the frame 220, so that the ice crushing mechanism 200 is subjected to uniform force when rotating, and avoids deformation or resonance.

[0050] Furthermore, six baffles 400 are fixedly sleeved on the outer side of the arc rod 222. The six baffles 400 are arranged in pairs, forming three groups. The two baffles 400 in each group are respectively attached to both sides of the three curved rods 221 to restrict the axial position of the three curved rods 221 on the arc rod 222, prevent them from shifting or deviating during operation, and ensure that the spacing between the ice-breaking components remains constant.

[0051] Furthermore, a cap 500 is screwed onto the top of the crank 221. The bottom of the cap 500 is press-fitted to the top of the second blade 250. The cap 500 can firmly press the second blade 250 into the inside of the crank 221 to prevent the blade from loosening due to vibration or impact from ice fragments.

[0052] Example 3:

[0053] Combination Figure 1-2 As shown in the above embodiment, a base 600 is welded to the bottom of the tower 110, and multiple bolts are screwed onto the base 600 to enhance the connection stability between the tower 110 and the foundation, while providing an initial parking position for the climbing sleeve 120, which facilitates the installation and maintenance of the device.

[0054] Working principle and usage process of this invention:

[0055] In its initial state, the climbing sleeve 120 is stationary at the bottom of the tower 110;

[0056] After the device is put into operation, the vertical attitude of the tower 110 is transmitted to the measuring plate 160 through the climbing sleeve 120, the support plate 150 and the connecting rope 170. The laser emitter 180 emits laser to the laser receiver 190. If the tower 110 is in a vertical state, the laser receiver 190 can accurately receive the laser signal and transmit the signal to the industrial control computer 191. The industrial control computer 191 calculates the attitude of the tower 110. If the tower 110 tilts, its attitude change causes the climbing sleeve 120 and the support plate 150 to tilt accordingly. Under the traction of the connecting rope 170, the measuring plate 160 is eccentric to the support plate 150 due to gravity, which causes the laser receiver 190 to be unable to receive the laser. The industrial control computer 191 determines that the tower 110 is tilted based on the signal loss.

[0057] After completing the single-point detection, the industrial control computer 191 starts motor 140 and motor 280. Motor 140 drives the roller 130 to rotate. The friction between the roller 130 and the tower 110 drives the climbing sleeve 120 to climb up the tower 110. At the same time, motor 280 directly drives the gear 270 to rotate. The gear 270 drives the annular plate 210 to rotate through the tooth block 260. The three rods 220 on the annular plate 210 rotate accordingly. The needles 230, blade 1 240 and blade 2 250 on the inner side of the rods 220 work together to break the ice layer on the surface of the tower 110 from the outside to the inside, ensuring that the climbing sleeve 120 can move upward smoothly.

[0058] During the operation of motor 280, the shaft 320 and fan blade 350 are driven to rotate synchronously through two pulleys 330 and belt 340. The airflow generated by fan blade 350 is guided by pipe rack 360 and blows directly to the top of climbing sleeve 120, blowing the ice fragments broken by needle 230, blade 1 240 and blade 2 250 away from tower 110, further improving the de-icing effect and preventing ice fragments from getting stuck.

[0059] After the climbing sleeve 120 moves to the middle and upper part of the tower 110, the above detection operation is repeated. The industrial control computer 191 integrates the detection data of three different height positions and improves the accuracy of tilt judgment through comparative analysis. If the tower 110 is finally determined to be tilted, the industrial control computer 191 immediately activates the alarm 192 to issue a warning signal.

[0060] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

[0061] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0062] The above provides a detailed description of the real-time online monitoring and early warning device for the tilting of power distribution towers under icing conditions provided by this invention. Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the embodiments above are merely for the purpose of helping to understand the method and core ideas of this invention. It should be noted that those skilled in the art can make various improvements and modifications to this invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this invention.

Claims

1. A real-time online monitoring and early warning device for the tilting of power distribution towers under icing conditions, characterized in that, include: The warning mechanism (100) includes a pole (110), a climbing sleeve (120) slidably sleeved on the outside of the pole (110), a roller (130) located inside the climbing sleeve (120) and attached to one side of the pole (110), a motor (140) whose body is fixed to the outer wall of the climbing sleeve (120), two support plates (150) respectively fixed to the front and rear sides of the climbing sleeve (120), two measuring plates (160) respectively located at the bottom of the two support plates (150), and a connecting rope (170) fixed between the support plates (150) and the measuring plates (160). The ice-crushing mechanism (200) includes an annular plate (210) rotatably engaged with the climbing sleeve (120), three rods (220) fixed to the outside of the annular plate (210), three needles (230) fixed to the inside of the rods (220), and blade one (240) and blade two (250) interference-fitted to the inside of the rods (220). The blow-off mechanism (300) includes a sleeve plate (310) fixedly connected between the outer wall of the climbing sleeve (120) and the body of the second motor (280), a rotating shaft (320) rotatably engaged with the sleeve plate (310), two pulleys (330) respectively sleeved on the outer side of the output shaft of the second motor (280) and the outer side of the rotating shaft (320), a belt (340) connected between the two pulleys (330), a fan blade (350) fixedly sleeved on the top of the rotating shaft (320), and a tube frame (360) movably sleeved on the outer side of the fan blade (350). The bottom end of the tube frame (360) is fixedly connected to the top of the sleeve plate (310).

2. The real-time online monitoring and early warning device for the tilting of power distribution towers under icing conditions according to claim 1, characterized in that, The warning mechanism (100) also includes a laser emitter (180) fixed to the inner top surface of the support plate (150), a laser receiver (190) fixed to the center of the top of the measuring plate (160), an industrial control computer (191) fixed to the inner wall of the climbing sleeve (120), and two alarms (192) fixed to the center of the top of the two support plates (150). The roller (130) is fixedly sleeved on the outside of the output shaft of motor one (140). The laser emitter (180), the laser receiver (190), and the alarms (192) are all electrically connected to the industrial control computer (191). The ice-crushing mechanism (200) also includes a plurality of toothed blocks (260) arranged around the outside of the climbing sleeve (120) and fixed to the bottom of the annular plate (210), a gear (270) meshing with one side of the annular plate (210) through the plurality of toothed blocks (260), and a second motor (280) fixed between the bottom of the climbing sleeve (120) and the gear (270).

3. The real-time online monitoring and early warning device for tilting of power distribution towers under icing conditions according to claim 2, characterized in that, Two measuring discs (160) are vertically coaxial with two support discs (150), and the measuring discs (160) are made of transparent material.

4. The real-time online monitoring and early warning device for tilting of power distribution towers under icing conditions according to claim 2, characterized in that, The laser emitter (180) is concentrically arranged with the support plate (150), and the two laser receivers (190) are vertically coaxial with the two laser emitters (180).

5. The real-time online monitoring and early warning device for tilting of power distribution towers under icing conditions according to claim 2, characterized in that, The pole frame (220) includes three curved poles (221) and an arc pole (222). The three curved poles (221) are equally spaced and arranged in an arc shape. The arc pole (222) is set horizontally and its body is fixedly inserted through the three curved poles (221).

6. The real-time online monitoring and early warning device for tilting of power distribution towers under icing conditions according to claim 5, characterized in that, The outer side of the arc rod (222) is fixedly fitted with six baffles (400). The six baffles (400) are arranged in pairs, forming three groups. The two baffles (400) in each group are respectively attached to the two sides of the three curved rods (221).

7. The real-time online monitoring and early warning device for tilting of power distribution towers under icing conditions according to claim 2, characterized in that, The first blade (240) is located between the top of the needle (230) and the bottom of the second blade (250). The bottom of the needle (230) is in contact with the top of the annular plate (210). The distance between the first blade (240) and the tower (110) is smaller than the distance between the second blade (250) and the tower (110).

8. The real-time online monitoring and early warning device for tilting of power distribution towers under icing conditions according to claim 5, characterized in that, The top of the crank (221) is screwed with a cap (500), and the bottom of the cap (500) is in interference fit with the top of the second blade (250).

9. The real-time online monitoring and early warning device for the tilting of power distribution towers under icing conditions according to claim 2, characterized in that, The rotating shaft (320) includes a rod (321) and multiple retaining rings (322). The multiple retaining rings (322) are equidistantly spaced and arranged in a row to be movably engaged inside the sleeve plate (310). The retaining rings (322) are fixedly sleeved on the bottom end of the rotating shaft (320).

10. The real-time online monitoring and early warning device for tilting power distribution towers under icing conditions according to claim 2, characterized in that, The pipe rack (360) includes a pipe body (361) and four T-bars (362). The four pipe racks (360) are arranged in a ring and fixed between the bottom end of the pipe body (361) and the top of the sleeve plate (310). The bottom end of the tower (110) is welded with a base (600), and multiple bolts are screwed onto the base (600).

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