Medium-wave power supply lightning protection device

Abstract

The utility model discloses a medium-wave power supply lightning protection device, which comprises medium-wave power supplies and at least two connecting wires arranged on one side of the medium-wave power supplies, the connecting wires are electrically connected with the medium-wave power supplies, at least two lightning arresters are arranged between the two medium-wave power supplies, and the lightning arresters are electrically connected with the medium-wave power supplies. A rotating gear is rotatably arranged between the two lightning arresters, the two corresponding sides of the rotating gear are in engaged connection with movable tooth columns, and the movable tooth columns are fixedly arranged on the outer sides of the upper half parts of the lightning arresters; according to the utility model, by rotating the rotating gear, the lightning arresters on the two sides can be moved in opposite directions under the connection of the two moving tooth columns, so that the distance between the lightning arresters on the two sides can be conveniently adjusted, and the distance between the two lightning arresters during use and placement can be adjusted; and the looseness and damage of the lightning arrester and the connecting part caused by rainwater erosion and accidental collision on the outer side are effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of lightning protection devices, in particular to a medium-wave power supply lightning protection device. Background Art

[0002] A lightning protection device refers to one of the lightning protection systems' direct lightning protection devices, lightning induction protection devices, lightning wave intrusion protection devices, and lightning electromagnetic pulse protection devices. It is a lightning protection facility set up to protect all life, objects, equipment, etc. on the earth from lightning strikes.

[0003] Medium wave power supply, also known as medium frequency power supply, is a static frequency conversion device that converts three-phase industrial frequency power supply into single-phase power supply. By installing a lightning protection device on it, it can effectively protect the stable flow of current when it is struck by lightning. However, the existing lightning protection device is exposed to the outside for a long time, which makes it easy for itself and its connections to be eroded by rain and external impact, resulting in looseness of the device, making it impossible to effectively divert the current generated by lightning strikes. In addition, the existing device generally protects the entire part through a single protection device, resulting in a limited protection range.

[0004] Therefore, we provide a medium wave power supply lightning protection device. Utility Model Content

[0005] The purpose of the utility model is to provide a medium wave power supply lightning protection device in view of the above-mentioned technical problems, so as to achieve the effect of improving the long-term use stability of the protection device.

[0006] In view of this, the utility model provides a medium wave power supply lightning protection device, including a medium wave power supply and a connecting line arranged on one side of the medium wave power supply, there are at least two connecting lines, and the connecting line is electrically connected to the medium wave power supply, at least two lightning arresters are arranged between the two medium wave power supplies, and a rotating gear is rotatably arranged between the two lightning arresters, and the rotating gear has movable gear columns meshingly connected on both sides thereof, and the movable gear column is fixedly arranged on the outer side of the upper half of the lightning arrester.

[0007] Preferably, the upper half of the arrester is electrically connected to a sliding connecting rod, the sliding connecting rod is slidingly connected to an auxiliary connecting block away from the arrester, the auxiliary connecting block is electrically connected to the connecting line, and the sliding connecting rod is electrically connected to the auxiliary connecting block.

[0008] Preferably, a sliding rod is electrically connected to the outer side of the lower half of the arrester, the sliding rod is slidably connected to an auxiliary block, the lower end of the auxiliary block is electrically connected to a ground connector, the ground connector is in contact with the ground, and the sliding rod is electrically connected to the auxiliary block.

[0009] Preferably, the rotating gear is rotatably connected to a support frame, the rotating gear is located inside the support frame, the auxiliary connecting block is fixedly arranged inside the support frame, the sliding connecting rod is plugged into the support frame, the ground connecting head is fixedly arranged below the support frame, the upper end of the support frame is fixedly connected to a rotating motor, and the rotating gear is fixedly arranged at the output end of the rotating motor.

[0010] Preferably, corresponding sides of the support frame are fixedly connected with protective shells, and the movable gear column is slidably connected to the support frame and the protective shell at the same time.

[0011] Preferably, both upper and lower ends of the arrester are fixedly connected with sliding limit blocks, the sliding limit blocks are slidably connected with sliding limit grooves, and the sliding limit grooves are arranged on two corresponding sides of the inner wall of the protective shell.

[0012] Preferably, limit blocks are provided on corresponding sides of the support frame, and the limit blocks are used for fastening the connecting wires.

[0013] Compared with the prior art, the utility model provides a medium wave power supply lightning protection device, which has the following beneficial effects:

[0014] 1. The utility model, by connecting the medium wave power supply and the two lightning arresters in parallel through two connecting lines, can timely and effectively shunt the current generated by lightning when the device is struck by lightning, and by arranging the two lightning arresters to be connected to the two connecting lines respectively, the high efficiency and stability of the lightning protection device can be improved.

[0015] 2. The utility model can move the arresters on both sides in opposite directions under the connection of two movable gear columns by rotating the rotating gear, so as to achieve the convenience of adjusting the distance between the arresters on both sides, and make it possible to adjust the distance between the two arresters during use and placement, effectively preventing the arrester itself and the connection from being loosened and damaged due to rain erosion on the outside and accidental collision.

[0016] 3. The utility model, with the support of a plurality of sliding limit grooves provided on the protective shell and the inner wall thereof, can provide a limit guiding effect when the sliding limit block is moved, thereby ensuring the convenience of the movement of the lightning arrester, and with the protective support of the protective shell, effectively isolating the damage from the outside, thereby increasing the service life of the lightning arrester.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a front view structural diagram of a medium wave power supply lightning protection device proposed by the utility model;

[0019] Figure 2 A schematic diagram of the internal structure of a protective housing of a medium-wave power supply lightning protection device proposed by the utility model;

[0020] Figure 3 A schematic diagram of the structure of the movement mode of the lightning arrester of a medium wave power supply lightning protection device proposed by the utility model;

[0021] Figure 4 The utility model provides a schematic structural diagram of the arrester connection mode of a medium wave power supply lightning protection device.

[0022] In the figure: 1. medium wave power supply; 2. connecting wire; 3. lightning arrester; 4. moving gear column; 5. rotating gear; 6. rotating motor; 7. supporting frame; 8. sliding connecting rod; 9. auxiliary connecting block; 10. sliding rod; 11. auxiliary block; 12. ground connector; 13. sliding limit block; 14. sliding limit groove; 15. protective shell; 16. limit block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Embodiment 1: A medium wave power supply lightning protection device, such as Figure 1-Figure 4As shown, it includes a medium wave power supply 1, and a connecting line 2 arranged on one side of the medium wave power supply 1, there are at least two connecting lines 2, and the connecting line 2 is electrically connected to the medium wave power supply 1, at least two lightning arresters 3 are arranged between the two medium wave power supplies 1, and a rotating gear 5 is rotatably arranged between the two lightning arresters 3, and the rotating gear 5 is meshed and connected with a moving gear column 4 on both sides corresponding to the rotating gear 5, and the moving gear column 4 is fixedly arranged on the outer side of the upper half of the lightning arrester 3. When the device is running, by connecting the medium wave power supply 1 and the two lightning arresters 3 in parallel through the two connecting lines 2, when the device is struck by lightning, it can The current generated by lightning is promptly and effectively diverted, and by setting the two lightning arresters 3 to be connected to the two connecting lines 2 respectively, the high efficiency and stability of the lightning protection device can be improved, and by rotating the rotating gear 5, the lightning arresters 3 on both sides can be moved in opposite directions under the connection of the two movable gear columns 4, so as to achieve the convenience of adjusting the distance between the lightning arresters 3 on both sides, so that the distance adjustment of the two lightning arresters 3 during use and placement can be made, and the loosening and damage of the lightning arrester 3 itself and the connection caused by rain erosion on the outside and accidental collision can be effectively prevented.

[0026] like Figure 1-Figure 4 As shown, the upper half of the lightning arrester 3 is electrically connected with a sliding connecting rod 8, and the sliding connecting rod 8 is slidably connected with an auxiliary connecting block 9 away from the lightning arrester 3. The auxiliary connecting block 9 is electrically connected to the connecting line 2, and the sliding connecting rod 8 is electrically connected to the auxiliary connecting block 9. The outer side of the lower half of the lightning arrester 3 is electrically connected with a sliding rod 10, and the sliding rod 10 is slidably connected to an auxiliary block 11. The lower end of the auxiliary block 11 is electrically connected to a ground connector 12, and the ground connector 12 is in contact with the ground. The sliding rod 10 is electrically connected to the auxiliary block 11. With the support of the auxiliary connecting blocks 9 and the auxiliary blocks 11 at both ends of the lightning arrester 3, the directional stability and the continuity of the current connection when the lightning arrester 3 drives the sliding rod 10 and the sliding connecting rod 8 to move are ensured, and by connecting the auxiliary connecting block 9 to the connecting line 2 and connecting the ground connector 12 to the ground, it can be ensured that the lightning arrester 3 can perform timely and effective shunting operations on the current generated by lightning impulses, thereby improving the stability of the device during lightning protection.

[0027] like Figure 1-Figure 4 As shown, the rotating gear 5 is rotatably connected to the support frame 7, the rotating gear 5 is located inside the support frame 7, the auxiliary connecting block 9 is fixedly arranged inside the support frame 7, the sliding connecting rod 8 is plugged into the support frame 7, the ground connecting head 12 is fixedly arranged below the support frame 7, the upper end of the support frame 7 is fixedly connected to the rotating motor 6, and the rotating gear 5 is fixedly arranged at the output end of the rotating motor 6. The support of the support frame 7 when the rotating motor 6 drives the moving gear column 4 to rotate, the fixed support of the auxiliary connecting block 9 inside it, and the guidance of the sliding connecting rod 8 when it slides ensure the stability and efficiency of the connection and movement between multiple components of the device.

[0028] Embodiment 2: A medium wave power supply lightning protection device, such as Figure 1-Figure 4 As shown, the corresponding two sides of the support frame 7 are fixedly connected with the protective shell 15, the movable gear column 4 is slidably connected to the support frame 7 and the protective shell 15 at the same time, the upper and lower ends of the lightning arrester 3 are fixedly connected with the sliding limit blocks 13, the sliding limit blocks 13 are slidably connected with the sliding limit grooves 14, and the sliding limit grooves 14 are arranged on the corresponding two sides of the inner wall of the protective shell 15. With the support of the multiple sliding limit grooves 14 arranged on the protective shell 15 and its inner wall, a limiting guiding effect can be provided when the sliding limit block 13 is moved, thereby ensuring the convenience of the lightning arrester 3 when moving, and with the protection and support of the protective shell 15, it can effectively isolate the damage from the outside, thereby improving the service life of the lightning arrester 3.

[0029] like Figure 1-Figure 4 As shown, limit blocks 16 are provided on both sides of the corresponding support frame 7, and the limit blocks 16 are used to fasten the connecting wire 2. By fastening the limit blocks 16 on both sides, the effect of the device on fastening the connecting wires 2 of different specifications can be improved, thereby improving the stability of the device when fastening the connecting wire 2.

[0030] Working principle: By connecting the medium wave power supply 1 and the two lightning arresters 3 in parallel through two connecting lines 2, when the device is struck by lightning, the current generated by lightning can be promptly and effectively diverted, and by arranging the two lightning arresters 3 to be connected to the two connecting lines 2 respectively, the high efficiency and stability of the lightning protection device can be improved, and by rotating the rotating gear 5, the lightning arresters 3 on both sides can be moved in opposite directions under the connection of the two moving gear columns 4, so as to achieve the convenience of adjusting the distance between the lightning arresters 3 on both sides, so that the distance between the two lightning arresters 3 can be adjusted during use and placement, and the loosening and damage of the lightning arrester 3 itself and the connection caused by rain erosion on the outside and accidental collision can be effectively prevented.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A medium wave power supply lightning protection device, comprising a medium wave power supply (1), and a connecting line (2) arranged on one side of the medium wave power supply (1), characterized in that: There are at least two connecting wires (2), and the connecting wires (2) are electrically connected to the medium wave power supply (1). At least two lightning arresters (3) are arranged between the two medium wave power supplies (1). A rotating gear (5) is rotatably arranged between the two lightning arresters (3). The rotating gear (5) is meshedly connected with movable gear columns (4) on both sides thereof. The movable gear column (4) is fixedly arranged on the outer side of the upper half of the lightning arrester (3).

2. A medium wave power supply lightning protection device according to claim 1, characterized in that: The upper half of the lightning arrester (3) is electrically connected to a sliding connecting rod (8), and the sliding connecting rod (8) is slidably connected to an auxiliary connecting block (9) away from the lightning arrester (3). The auxiliary connecting block (9) is electrically connected to the connecting line (2), and the sliding connecting rod (8) is electrically connected to the auxiliary connecting block (9).

3. A medium wave power supply lightning protection device according to claim 2, characterized in that: The outer side of the lower half of the lightning arrester (3) is electrically connected to a sliding rod (10), the sliding rod (10) is slidably connected to an auxiliary block (11), the lower end of the auxiliary block (11) is electrically connected to a ground connector (12), the ground connector (12) is in contact with the ground, and the sliding rod (10) and the auxiliary block (11) are electrically connected.

4. A medium wave power supply lightning protection device according to claim 3, characterized in that: The rotating gear (5) is rotatably connected to a support frame (7), the rotating gear (5) is located inside the support frame (7), the auxiliary connecting block (9) is fixedly arranged inside the support frame (7), the sliding connecting rod (8) is plugged into the support frame (7), the ground connecting head (12) is fixedly arranged below the support frame (7), the upper end of the support frame (7) is fixedly connected to a rotating motor (6), and the rotating gear (5) is fixedly arranged at the output end of the rotating motor (6).

5. A medium wave power supply lightning protection device according to claim 4, characterized in that: The supporting frame (7) is fixedly connected to a protective shell (15) on both corresponding sides, and the movable tooth column (4) is slidably connected to the supporting frame (7) and the protective shell (15) at the same time.

6. A medium wave power supply lightning protection device according to claim 5, characterized in that: The arrester (3) is fixedly connected to a sliding limit block (13) at both upper and lower ends, and the sliding limit block (13) is slidably connected to a sliding limit groove (14), and the sliding limit groove (14) is provided on two corresponding sides of the inner wall of the protective shell (15).

7. A medium wave power supply lightning protection device according to claim 4, characterized in that: Limit blocks (16) are provided on corresponding sides of the support frame (7), and the limit blocks (16) are used to fasten the connecting line (2).

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