A high-reliability power grid structure

Abstract

The application relates to the technical field of power grids, and discloses a high-reliability power grid structure which comprises an outer frame, a protective net piece installed in the outer frame, and a buzzer arranged at the middle position of the upper end of the outer frame. The linkage alarm device of the application adopts a three-section type to drive and alarm animals colliding with the protective net piece. In the initial stage, the pressing assembly is pushed by the pulling force transmitted by the protective net piece, the searchlight assembly is rotated to touch the travel switch, the animal is driven by the strong light irradiation of the searchlight assembly, in the middle stage, when the impact force increases, the pressing assemblies are in contact with each other to touch the contact switch, the protective net piece circuit is connected to electrically shock the animal, and in the last stage, the moving rod moves to rotate the anti-pulling block, the press switch is pressed, the buzzer is triggered to sound an alarm, and the problem that the power consumption is large due to the frequent power-on of the one-section type trigger power grid alarm in the prior art is solved.

Description

Technical Field

[0001] This invention relates to the field of power grid technology, and more specifically, to a highly reliable power grid structure. Background Technology

[0002] In modern orchard cultivation, especially in mountainous areas, animals such as wild boars and weasels frequently harass fruit trees and produce fruit. Furthermore, zoos often install protective structures to prevent animals from threatening visitor safety or escaping; currently, electric fences are commonly used to deter animal intrusion, sending out high-voltage corona discharges as a warning.

[0003] A search revealed that CN108617637B discloses an electric grid structure for orchards and gardens. This structure includes an electric grid body and two fixing frames. A horizontal plate is fixedly connected to the top of each fixing frame, and a positioning device is fixedly connected to the bottom of the horizontal plate. The bottom of the positioning device is fixedly connected to the top of the electric grid body. Fixing devices are fixedly connected to both sides of the electric grid body, with the side of each fixing device furthest from the electric grid body fixedly connected to the side of the two fixing frames closest to each other. In this electric grid structure for orchards and gardens, a pressing spring blocks compress a limiting block, which in turn compresses a telescopic spring. The telescopic spring is compressed, causing the spring blocks to retract into a telescopic groove. A connecting block is then inserted into the connecting groove. Under the elastic force of the telescopic spring, the spring blocks extend into the spring holes, thereby fixing the electric grid body and facilitating installation.

[0004] However, the above-mentioned power grid structure still has the following problems: The above-mentioned power grid structure adopts a one-stage triggering power grid alarm, that is, when an animal rushes in, a series of structural touch switches are activated to energize the power grid body, preventing animals from entering the orchard and protecting the fruit trees and fruits. At the same time, pressing the switch opens the alarm mechanism to sound an alarm. The one-stage triggering power grid alarm method will be triggered regardless of the force of the impact, which will result in frequent energization and a large power loss. Summary of the Invention

[0005] This invention proposes a highly reliable power grid structure, which solves the problem of significant power loss caused by frequent power-on in the existing one-stage triggering method of power grid alarm.

[0006] The technical solution of the present invention is as follows: A highly reliable power grid structure includes an outer frame, a protective mesh installed within the outer frame, and a buzzer located at the upper middle position of the outer frame. A device box is fixed to one side of the top of the outer frame. A linkage alarm device is installed inside the device box. The linkage alarm device includes a movable rod capable of moving laterally within the device box. A pair of counter-pressure components are provided outside the movable rod, which move closer to each other under the impact and tension of the protective mesh. The counter-pressure components are elastically connected to the movable rod via a second spring. The device box has a first groove for sliding and limiting the counter-pressure components. Below the first groove is a second groove, and the second groove contains a... The detector assembly, which can rotate in conjunction with the counter-pressure assembly, has a limit switch at the top of the first slot that triggers the detector assembly to emit strong light to illuminate the protective mesh when it rotates. The two counter-pressure assemblies are equipped with contact switches that trigger the circuit of the protective mesh after they collide. The moving rod is equipped with a pair of anti-tensile blocks that can rotate in opposite directions when the moving rod moves. The device housing has a third slot that limits the rotation of the anti-tensile blocks, and a push-button switch that triggers a buzzer to sound when the anti-tensile blocks rotate and press. The moving rod is elastically connected to the device housing via a first spring, and the device housing has a fourth slot that limits the movement of the first spring.

[0007] Preferably, the protective mesh includes an electric grid and mesh panels fixed to both sides of the electric grid, wherein one mesh panel is fixedly connected to the outer frame, and the other mesh panel can slide laterally within the outer frame.

[0008] Preferably, the movable rod includes a rod body, one end of which is fixed with a connecting block, and two sides of the connecting block are fixed with rotating shafts that are rotatably connected to the detection assembly. A first spring seat is fixed to the outer side of the rod body near the first spring seat. A second spring is sleeved on the rod body, one end of which abuts against the first spring seat, and the other end of which abuts against the counter-pressure assembly. A second spring seat is fixed to the rod body away from the first spring seat. A first spring is sleeved on the rod body, one end of which abuts against the second spring seat, and the other end of which abuts against the inner wall of the fourth groove segment. A vertically penetrating movable groove is formed on the rod body, and a horizontally penetrating first pin hole is formed on both sides of the movable groove. The tensile block is movably disposed in the movable groove and can rotate around the first pin hole.

[0009] Preferably, the pressure-resisting assembly includes a first sliding sleeve and a second sliding sleeve, both of which are slidably sleeved on the outside of the movable rod. A first support rod is fixed to the bottom of the first sliding sleeve, and a second support rod is fixed to the top of the second sliding sleeve. A lever for pushing the detection assembly to rotate is fixed to the surface of both the first and second support rods.

[0010] Preferably, the pressure-resisting assembly further includes a fixing plate, which is fixed to one side of the protective netting. Two pull ropes of the same length are fixed to the surface of the fixing plate. Two fixing plates are fixed to both sides of the first sliding sleeve. The two pull ropes pass through the first groove and are fixedly connected to the two fixing plates respectively. The contact switch consists of two conductive contacts fixed to the opposite surfaces of the first support rod and the second support rod respectively. When the first support rod and the second support rod are pulled and come into contact with each other, the two conductive contacts can come into contact.

[0011] Preferably, the illumination assembly includes a high-intensity lamp, and two swing plates are fixed to the top of the high-intensity lamp. Each of the two swing plates has a shaft hole at the middle position that is rotatably connected to the rotating shaft. Each of the two swing plates has a slot above and below the shaft hole. The levers on the first support rod and the second support rod are respectively located in the two slots above and below the shaft hole. When the swing plate rotates under the action of thrust, it can press the limit switch.

[0012] Preferably, the tensile block is provided with a first connecting part, a second connecting part and a pressing part. The first connecting part and the second connecting part are respectively provided with a second pin hole and a third pin hole for the pin shaft to pass through. The first connecting part is hinged to the movable groove by the pin shaft, and the second connecting part is hinged to the third groove section by the pin shaft. The third groove section is provided with an arc-shaped pin groove for limiting the pin shaft. When the tensile block is pulled and rotated, the pressing part can squeeze the pressing switch.

[0013] Preferably, the spring constant of the first spring is greater than that of the second spring.

[0014] Preferably, the second groove section is open towards the protective netting, and the bottom wall of the second groove section is a sloping surface.

[0015] Preferably, the high-intensity lamp is in an off state in the initial vertical position, and in an on state in a tilted state during rotation.

[0016] The beneficial effects of this invention are as follows:

[0017] 1. The linkage alarm device of the present invention adopts a three-stage method to drive away and alarm animals that collide with the protective net. In the initial stage of the animal collision, the pressure component is pushed by the tension transmitted by the protective net, causing the detector component to rotate and trigger the limit switch. Then the detector component shines strong light on the animal to drive it away. In the middle stage, when the impact force increases, the pressure components collide with each other and the contact switch is in contact, triggering the circuit of the protective net to be connected and electric shock is used to drive away the approaching animal. In the final stage, the moving rod moves and drives the anti-tension block to rotate, which in turn presses the push switch and triggers the buzzer to sound the alarm, driving away the animal by sound and issuing an alarm to alert the staff. This solves the problem of frequent power supply and large power loss caused by the one-stage triggering of the power grid alarm in the prior art.

[0018] 2. In the absence of impact, the limit switch is at its far end of travel, the high-intensity lamp is off, and the high-intensity lamp is vertically retracted in the second slot section, which can play a role in preventing rain and damage. The two conductive contacts of the contact switch are in the open state, that is, the power grid is not energized, saving energy consumption. The two tensile blocks are at the far end of the arc-shaped pin groove from the rod body, and the pressing part is not in contact with the pressing switch, that is, the buzzer remains silent, which can reduce noise.

[0019] 3. In the final stage of tensile testing, the two tensile blocks are locked together, which ensures the connection stability of the power grid and improves the reliability of the structure. Attached Figure Description

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0021] Figure 1 This is a schematic diagram of a high-reliability power grid structure proposed in this invention;

[0022] Figure 2 This is a schematic cross-sectional view of the device box structure proposed in this invention;

[0023] Figure 3 This is a schematic diagram of the linkage alarm device proposed in this invention;

[0024] Figure 4 This is a schematic diagram of the movable rod structure proposed in this invention;

[0025] Figure 5 This is a schematic diagram of the pressure-resisting assembly structure proposed in this invention;

[0026] Figure 6 This is a schematic diagram of the detection component structure proposed in this invention;

[0027] Figure 7 This is a schematic diagram of the tensile block structure proposed in this invention;

[0028] Figure 8 for Figure 2 Enlarged structural diagram at point A in the middle;

[0029] In the diagram: 1. Outer frame; 2. Protective mesh; 21. Electric grid; 22. Mesh panel; 3. Buzzer; 4. Device box; 41. First slot; 42. Second slot; 43. Third slot; 431. Arc-shaped pin groove; 44. Fourth slot; 5. Linkage alarm device; 51. Moving rod; 511. Rod body; 512. Connecting block; 513. Rotating shaft; 514. First spring seat; 515. Second spring seat; 516. Movable groove; 517. First pin hole; 52. Pressure assembly; 521. First sliding sleeve; 522. Second sliding sleeve; 523. First support rod; 524. Second support rod; 525. Fixing plate; 526. Pull rope; 527. Fixing piece; 528. Lever; 53. Spotlight assembly; 531. High-intensity lamp; 532. Swinging frame plate; 533. Shaft hole; 534. Slot; 54. Tensile block; 541. First connecting part; 542. Second connecting part; 543. Pressing part; 544. Second pin hole; 545. Third pin hole; 55. First spring; 56. Second spring; 6. Limit switch; 7. Contact switch; 8. Press switch. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. 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 of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figure 1 and Figure 2 This invention provides a technical solution: a highly reliable power grid structure, including an outer frame 1, a protective mesh 2 installed inside the outer frame 1, a buzzer 3 located at the upper middle position of the outer frame 1, and a device box 4 fixed to one side of the top of the outer frame 1. The device box 4 contains a linkage alarm device 5, such as... Figure 3As shown, the linkage alarm device 5 includes a movable rod 51 that can move laterally within the device housing 4. A pair of counter-pressure components 52 are provided outside the movable rod 51, which move closer to each other under the impact and tension of the protective net 2. The counter-pressure components 52 are elastically connected to the movable rod 51 via a second spring 56. The device housing 4 has a first groove 41 that limits the sliding movement of the counter-pressure components 52. Below the first groove 41 is a second groove 42, and the second groove 42 contains a probe that can rotate in coordination with the counter-pressure components 52. The top of the first slot section 41 of the illumination component 53 is equipped with a limit switch 6 that triggers the illumination component 53 to emit strong light to illuminate the protective net 2 when it rotates. The two opposing pressure components 52 are equipped with contact switches 7 that trigger the circuit of the protective net 2 after the two opposing pressure components 52 collide with each other. The moving rod 51 is equipped with a pair of anti-tensile blocks 54 that can rotate in opposite directions when the moving rod 51 moves. The device housing 4 has a third slot section 43 that limits the rotation of the anti-tensile blocks 54, and the third slot section 43 contains… A push-button switch 8 is provided, which triggers the buzzer 3 to sound when the anti-tensile block 54 rotates and compresses. The moving rod 51 is elastically connected to the device box 4 via a first spring 55. The device box 4 has a fourth groove 44 that limits the first spring 55. The elastic coefficient of the first spring 55 is greater than that of the second spring 56. The linkage alarm device 5 of the present invention uses a three-stage method to drive away and alarm animals that collide with the protective net 2. In the initial stage of the animal collision, the pressure component 52 is pushed by the tension transmitted by the protective net 2. The sensor 53 is rotated, triggering the limit switch 6. The sensor 53 then shines a strong light on the animal to drive it away. In the middle stage, when the impact force increases, the pressure components 52 come into contact with each other, causing the contact switch 7 to contact and triggering the circuit of the protective net component 2 to conduct an electric shock to drive away the approaching animal. In the final stage, the moving rod 51 moves, causing the anti-tension block 54 to rotate, which in turn presses the push switch 8, triggering the buzzer 3 to sound an alarm and drive away the animal by sound.

[0032] Please see Figure 1 The protective netting 2 includes an electric grid 21 and mesh panels 22 fixed on both sides of the electric grid 21. One mesh panel 22 is fixedly connected to the outer frame 1, and the other mesh panel 22 can slide laterally within the outer frame 1. Both the upper and lower ends of the mesh panel 22 are fixed with pulleys, and the frame 1 is provided with guide rails to guide the pulleys.

[0033] Please see Figure 4The movable rod 51 includes a rod body 511, with a connecting block 512 fixed to one end of the rod body 511. Rotating shafts 513, rotatably connected to the detection assembly 53, are fixed to both sides of the connecting block 512. A first spring seat 514 is fixed to the outer side of the rod body 511 near the first spring seat 514. A second spring 56 is sleeved on the outside of the rod body 511, with one end of the second spring 56 abutting against the first spring seat 514 and the other end abutting against the counter-pressure assembly 52. ​​The rod body 511 is located away from the first spring seat 514. One end of the spring seat 514 is fixed with a second spring seat 515. The first spring 55 is sleeved on the outside of the rod body 511. One end of the first spring 55 abuts against the second spring seat 515, and the other end of the first spring 55 abuts against the inner wall of the fourth groove section 44. A vertically penetrating movable groove 516 is opened on the rod body 511. A horizontally penetrating first pin hole 517 is opened on both sides of the movable groove 516. The tensile block 54 is movably arranged in the movable groove 516 and can rotate around the first pin hole 517.

[0034] Please see Figure 5 The pressure-relief assembly 52 includes a first sliding sleeve 521 and a second sliding sleeve 522, both of which are slidably sleeved on the outside of the movable rod 51. A first support rod 523 is fixed to the bottom of the first sliding sleeve 521, and a second support rod 524 is fixed to the top of the second sliding sleeve 522. A lever 528 for pushing the detector assembly 53 to rotate is fixed to the surface of both the first support rod 523 and the second support rod 524. The pressure-relief assembly 52 also includes a fixing plate 525, which is fixed to the protective net. On one side of component 2, two pull ropes 526 of the same length are fixed to the surface of the fixing plate 525. Two fixing plates 527 are fixed to both sides of the first sliding sleeve 521. The two pull ropes 526 pass through the first groove section 41 and are fixedly connected to the two fixing plates 527 respectively. The contact switch 7 is composed of two conductive contacts fixed to the opposite surfaces of the first support rod 523 and the second support rod 524 respectively. After the first support rod 523 and the second support rod 524 are pulled and come into contact with each other, the two conductive contacts can come into contact.

[0035] Please see Figure 6The searchlight assembly 53 includes a high-intensity lamp 531. Two swing plates 532 are fixed to the top of the high-intensity lamp 531. A shaft hole 533, rotatably connected to a rotating shaft 513, is provided in the middle of each swing plate 532. Slots 534 are provided above and below the shaft holes 533 on each swing plate 532. A lever 528 on the first support rod 523 and the second support rod 524 are respectively located in the two slots 534 above and below the shaft holes 533. When the swing plate 532 rotates under thrust, it can press the limit switch 6. When the electric grid 21 is impacted by an animal, the mesh plate 22 on one side of the electric grid 21 pulls the pull rope 526, causing it to move from the first sliding sleeve 521 to the second sliding sleeve 522. During this process, the lever 528 on the first support rod 523 engages the slot 53. Under the pressure of 4, the slot 534 can be pushed to rotate counterclockwise around the shaft hole 533 and gradually move closer to the opening of the second slot 42. The upper end of the slot 534 rotates and presses the limit switch 6, triggering the detector component 53 to emit strong light to drive away the charging animal. When the animal's charging force continues to increase, the lever 528 on the first support rod 523 pushes the slot 534 to rotate counterclockwise around the shaft hole 533 under the pressure of the lever 528 on the second support rod 524. Under the pressure of the upper slot 534 on the lever 528 on the second support rod 524, the second sliding sleeve 522 can be pushed to move towards the first sliding sleeve 521 until the two conductive contacts on the first support rod 523 and the second support rod 524 come into contact with each other, thereby triggering the circuit of the electric grid 21 to conduct electric shocks to drive away the approaching animal.

[0036] Please see Figure 7 and Figure 8 The tensile block 54 is provided with a first connecting part 541, a second connecting part 542, and a pressing part 543. The first connecting part 541 and the second connecting part 542 are respectively provided with a second pin hole 544 and a third pin hole 545 for the pin shaft to pass through. The first connecting part 541 is hinged to the movable groove 516 by the pin shaft, and the second connecting part 542 is hinged to the third groove section 43 by the pin shaft. The third groove section 43 is provided with an arc-shaped pin groove 431 for limiting the pin shaft. When the tensile block 54 is pulled and rotated, the pressing part 543 can squeeze the push-button switch 8. When the first support rod 523 and the second support rod 524 come into contact with each other, the second spring 56 is stretched to its maximum extent. At this time, the moving rod 51 begins to move, that is, the first spring 55 is further compressed. The movement of the moving rod 51 can drive the two anti-tension blocks 54 to start rotating in opposite directions around the second pin hole 544, thereby pulling the pin at the second connecting part 542 to move in the arc-shaped pin groove 431 toward the rod body 511, until the pressing part 543 presses against the pressing switch 8 to trigger the buzzer 3 to start sounding the alarm.

[0037] Please see Figure 2The second trough section 42 is open towards the protective netting 2 to allow light to shine through. The bottom wall of the second trough section 42 is a sloping surface to prevent rainwater from accumulating.

[0038] It should be noted that the high-intensity lamp 531 is in the off state when initially in the vertical position, and in the on state when the high-intensity lamp 531 is in the tilted state during rotation.

[0039] The working principle and usage process of this invention are as follows: In the initial state, the linkage alarm device 5 is as follows: Figure 2 As shown, the limit switch 6 is at the far end of its travel, the high-intensity lamp 531 is off, and the high-intensity lamp 531 is vertically retracted into the second slot 42. The first support rod 523 and the second support rod 524 maintain the maximum distance, so that the two conductive contacts of the contact switch 7 are in the open state, that is, the power grid 21 is not energized. The two tensile blocks 54 are at the far end of the arc-shaped pin groove 431 from the rod body 511. The pressing part 543 and the pressing switch 8 are in the non-contact state, that is, the buzzer 3 remains silent.

[0040] When the electric grid 21 is attacked by an animal, the mesh plate 22 on one side of the electric grid 21 pulls the pull rope 526, and then moves from the first sliding sleeve 521 to the second sliding sleeve 522. During this process, the lever 528 on the first support rod 523 presses on the slot 534, which pushes the slot 534 to rotate counterclockwise around the shaft hole 533 and gradually move closer to the opening of the second slot section 42. The upper end of the slot 534 rotates and presses the limit switch 6, triggering the detector component 53 to emit strong light to drive away the attacking animal.

[0041] As the force of the animal's impact increases, the lever 528 on the first support rod 523 presses against the slot 534, causing the slot 534 to rotate counterclockwise around the shaft hole 533. Meanwhile, the upper slot 534 presses against the lever 528 on the second support rod 524, which pushes the second sliding sleeve 522 toward the first sliding sleeve 521 until the two conductive contacts on the first support rod 523 and the second support rod 524 come into contact with each other, thereby triggering the circuit of the electric grid 21 to conduct electric shocks to drive away the approaching animal.

[0042] During the above process, the approach of the first sliding sleeve 521 and the second sliding sleeve 522 allows the second spring 56 to be stretched and the first spring 55 to be compressed. Since the elastic coefficient of the first spring 55 is greater than that of the second spring 56, the compression of the first spring 55 is negligible in the initial stage of tension. When the first support rod 523 and the second support rod 524 come into contact with each other, the stretching of the second spring 56 reaches its maximum. At this time, the moving rod 51 begins to move, that is, the first spring 55 is further stretched. When compressed, the movement of the moving rod 51 causes the two anti-tensile blocks 54 to start rotating in opposite directions around the second pin hole 544, thereby pulling the pin at the second connecting part 542 to move towards the rod body 511 in the arc-shaped pin groove 431 until the pressing part 543 presses against the pressing switch 8, triggering the buzzer 3 to sound an alarm, driving away animals with sound and alerting staff. At the same time, the two anti-tensile blocks 54 are in a locked state, which can ensure the connection stability of the power grid 21 and improve the reliability of the structure.

[0043] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A highly reliable power grid structure, comprising an outer frame (1), a protective mesh (2) installed within the outer frame (1), and a buzzer (3) positioned at the upper center of the outer frame (1), characterized in that, A device box (4) is fixed to one side of the top of the outer frame (1). A linkage alarm device (5) is installed inside the device box (4). The linkage alarm device (5) includes a movable rod (51) that can move laterally inside the device box (4). A pair of counter-pressure components (52) are provided outside the movable rod (51) that move closer to each other under the impact and tension of the protective net (2). The counter-pressure components (52) are elastically connected to the movable rod (51) through a second spring (56). A first groove (41) is provided inside the device box (4) to slide and limit the counter-pressure components (52). A second groove (42) is provided below the first groove (41). A detection component (53) that can rotate in coordination with the counter-pressure components (52) is provided inside the second groove (42). A detection component (53) is provided at the top of the first groove (41) for the detection component. When the component (53) rotates, it triggers the detector component (53) to emit strong light to illuminate the protective net component (2). The two opposing pressure components (52) are provided with contact switches (7) that trigger the circuit of the protective net component (2) to be turned on after the two opposing pressure components (52) collide with each other. The moving rod (51) is provided with a pair of anti-tensile blocks (54) that can rotate in opposite directions when the moving rod (51) moves. The device box (4) is provided with a third groove (43) that limits the rotation of the anti-tensile block (54). The third groove (43) is provided with a push switch (8) that triggers the buzzer (3) to sound when the anti-tensile block (54) rotates and is squeezed. The moving rod (51) is elastically connected to the device box (4) through a first spring (55). The device box (4) is provided with a fourth groove (44) that limits the first spring (55). The protective mesh (2) includes an electric grid (21) and mesh panels (22) fixed on both sides of the electric grid (21), one of the mesh panels (22) is fixedly connected to the outer frame (1), and the other mesh panel (22) can slide laterally within the outer frame (1); The movable rod (51) includes a rod body (511), one end of which is fixed with a connecting block (512). The connecting block (512) has rotating shafts (513) fixed on both sides, which are rotatably connected to the detection assembly (53). A first spring seat (514) is fixed to the outer side of the rod body (511) near the first spring seat (514). A second spring (56) is sleeved on the outside of the rod body (511), one end of which abuts against the first spring seat (514), and the other end of which abuts against the pressure assembly (52). A second spring seat (515) is fixed at one end away from the first spring seat (514). The first spring (55) is sleeved on the outside of the rod body (511). One end of the first spring (55) abuts against the second spring seat (515), and the other end of the first spring (55) abuts against the inner wall of the fourth groove section (44). A vertically penetrating movable groove (516) is provided on the rod body (511). A horizontally penetrating first pin hole (517) is provided on both sides of the movable groove (516). The tensile block (54) is movably arranged in the movable groove (516) and can rotate around the first pin hole (517). The pressure-resisting assembly (52) includes a first sliding sleeve (521) and a second sliding sleeve (522), both of which are slidably sleeved outside the moving rod (51). A first support rod (523) is fixed to the bottom of the first sliding sleeve (521), and a second support rod (524) is fixed to the top of the second sliding sleeve (522). A lever (528) for pushing the detector assembly (53) to rotate is fixed to the surface of both the first support rod (523) and the second support rod (524). The pressure-resisting assembly (52) also includes a fixing plate (525), which is fixed to... On one side of the protective netting (2), two pull ropes (526) of the same length are fixed on the surface of the fixing plate (525). Two fixing plates (527) are fixed on both sides of the first sliding sleeve (521). The two pull ropes (526) pass through the first groove (41) and are fixedly connected to the two fixing plates (527) respectively. The contact switch (7) consists of two conductive contacts fixed on the opposite surfaces of the first support rod (523) and the second support rod (524) respectively. When the first support rod (523) and the second support rod (524) are pulled and come into contact with each other, the two conductive contacts can come into contact. The searchlight assembly (53) includes a high-intensity lamp (531). Two swing plates (532) are fixed to the top of the high-intensity lamp (531). A shaft hole (533) for rotatably connecting with a rotating shaft (513) is opened in the middle of the two swing plates (532). Slots (534) are opened above and below the shaft hole (533) of the two swing plates (532). The levers (528) on the first support rod (523) and the second support rod (524) are respectively located in the two slots (534) above and below the shaft hole (533). When the swing plate (532) rotates under the action of thrust, it can press the limit switch (6).

2. The high-reliability power grid structure according to claim 1, characterized in that, The tensile block (54) is provided with a first connecting part (541), a second connecting part (542) and a pressing part (543). The first connecting part (541) and the second connecting part (542) are respectively provided with a second pin hole (544) and a third pin hole (545) for the pin shaft to pass through. The first connecting part (541) is hinged to the movable groove (516) by the pin shaft. The second connecting part (542) is hinged to the third groove section (43) by the pin shaft. The third groove section (43) is provided with an arc-shaped pin groove (431) for limiting the pin shaft. When the tensile block (54) is pulled and rotated, the pressing part (543) can squeeze the pressing switch (8).

3. The high-reliability power grid structure according to claim 1, characterized in that, The elastic coefficient of the first spring (55) is greater than that of the second spring (56).

4. A high-reliability power grid structure according to claim 1, characterized in that, The second trough section (42) is open towards the protective netting (2), and the bottom wall of the second trough section (42) is a sloping surface.

5. A high-reliability power grid structure according to claim 1, characterized in that, The high-intensity lamp (531) is in an off state in the initial vertical state, and in an on state in the tilted state during rotation.

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