A lightning protection device for protecting medium and low voltage distribution networks

Abstract

The present invention belongs to the technical field of lightning protection equipment, and in particular to a lightning protection equipment for protecting medium and low voltage distribution networks, comprising a three-phase power supply lightning protection box and four universal wheels symmetrically installed on the bottom surface of the three-phase power supply lightning protection box, the front surface of the three-phase power supply lightning protection box is hinged with a box door, a safety lock is fixedly provided on the surface of the box door, the box door and the three-phase power supply lightning protection box are connected through the safety lock, a placement portion is opened at the center of the box door, and an observation board is installed in the placement portion; the staff can move the three-phase power supply lightning protection box through the universal wheels, and four lifting ears are fixedly provided at the four corners of the upper surface of the three-phase power supply lightning protection box near the placement board. When the production party is in production, the three-phase power supply lightning protection box can be moved through the lifting ears, and a placement portion is opened at the center of the box door, and an observation board is installed in the placement portion. The staff can observe the protector A, protector B and protector C in the box door through the observation board.

Description

Technical Field

[0001] The invention belongs to the technical field of lightning protection equipment, and in particular relates to a lightning protection equipment for protecting medium and low voltage distribution networks. Background Art

[0002] The distribution network refers to the power grid that receives electric energy from the transmission network or regional power plant and distributes it locally or step by step according to the voltage to various users through distribution facilities. It is composed of overhead lines, cables, towers, distribution transformers, disconnectors, reactive power compensators and some ancillary facilities. It plays an important role in distributing electric energy in the power grid. The three-phase power supply lightning arrester is a lightning protection power supply suitable for various power supply systems.

[0003] The existing lightning protection equipment for medium and low voltage distribution network protection generally adopts three-phase power supply lightning protection box for protection operation. However, the existing three-phase power supply lightning protection box is not convenient for workers to install. Moreover, the three-phase power supply lightning protection box needs to be adjusted horizontally during installation, which brings inconvenience to the workers. Summary of the invention

[0004] The purpose of the present invention is to provide a lightning protection device for protecting medium and low voltage distribution networks to solve the problems existing in the prior art. The present invention has the characteristic of convenient installation.

[0005] In order to achieve the above object, the present invention adopts the following technical scheme:

[0006] A lightning protection device for protecting medium and low voltage distribution networks, comprising a three-phase power supply lightning protection box and four universal wheels symmetrically installed on the bottom surface of the three-phase power supply lightning protection box, a box door is hinged on the front surface of the three-phase power supply lightning protection box, a safety lock is fixedly provided on the surface of the box door, the box door and the three-phase power supply lightning protection box are connected through the safety lock, a placement portion is opened at the center of the box door, an observation plate is installed in the placement portion, the observation plate and the box door are fixedly connected, a protector A, a protector B and a protector C are installed on the rear surface of the observation plate near the interior of the three-phase power supply lightning protection box, a partition is fixedly provided inside the three-phase power supply lightning protection box, when the partition is installed, a space for placing a PC board is provided inside the three-phase power supply lightning protection box, the PC board and the three-phase power supply lightning protection box are fixedly connected, a placement plate is fixedly provided on the upper surface of the three-phase power supply lightning protection box, and four lifting ears are fixedly provided on the upper surface of the three-phase power supply lightning protection box near the four corners of the placement plate.

[0007] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, a single-chip microcomputer, a signal transmission module and a horizontal detection module are installed on the surface of the PC board, the single-chip microcomputer and the signal transmission module are signal-connected, the single-chip microcomputer and the horizontal detection module are signal-connected, and the single-chip microcomputer and the mobile phone are signal-connected through the signal transmission module.

[0008] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, air holes are provided on both sides of the three-phase power supply lightning protection box, and a sealing plate is provided on the inner wall of the three-phase power supply lightning protection box near the air holes, the sealing plate and the three-phase power supply lightning protection box are rotatably connected by a rotating shaft, and the number of the sealing plate and the air holes are equal.

[0009] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, a built-in plate is installed inside the three-phase power supply lightning protection box, and a plurality of servo motors are installed on a side of the built-in plate close to the sealing plate, and fan blades are fixedly provided at the output end of the servo motor.

[0010] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, it also includes a mounting plate A, which is fixedly mounted on the rear surface of the three-phase power supply lightning protection box and welded and fixed to the three-phase power supply lightning protection box. Four connecting plates are fixedly provided on the side of the mounting plate A away from the three-phase power supply lightning protection box, and the four connecting plates are symmetrically distributed on the surface of the mounting plate A. An internal connecting plate is fixedly provided on the side of the connecting plate away from the mounting plate A, and the connecting plate is connected to the internal connecting plate through the mounting plate A. A mounting plate C is provided on the side of the mounting plate B away from the connecting plate.

[0011] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, a plurality of connecting strips and a plurality of internal connecting plates are provided between the mounting plate B and the mounting plate C, and the mounting plate B and the mounting plate C are connected via the plurality of connecting strips and the plurality of internal connecting plates.

[0012] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, a circular plate A is further provided between the mounting plate B and the mounting plate C, a connecting pipe is fixedly provided on a side of the circular plate A away from the mounting plate B, and a circular plate B is fixedly provided on an end of the connecting pipe away from the circular plate A.

[0013] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, the outer wall of the connecting pipe is sleeved with a connecting ring, and the outer wall of the connecting ring is fixed with a buckle, and the connecting ring and the circular plate B are bonded and fixed by the buckle.

[0014] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, the servo motor and the fan blades constitute a group of transmission components, and there are six groups of transmission components in total. The six groups of transmission components are symmetrically installed on the surface of the built-in plate.

[0015] As a preferred lightning protection device for protecting medium and low voltage distribution networks of the present invention, a plurality of bolt holes are provided on the surfaces of the connecting plate and the mounting plate C, and the connecting plate and the three-phase power supply lightning protection box are connected through the bolt holes and external bolts.

[0016] Compared with the prior art, the present invention has the following beneficial technical effects:

[0017] When the staff is in use, four universal wheels are provided on the bottom of the three-phase power supply lightning protection box. The staff can move the three-phase power supply lightning protection box through the universal wheels. Four lifting ears are fixed at the four corners of the upper surface of the three-phase power supply lightning protection box near the placement plate. When the production party is in production, the three-phase power supply lightning protection box can be moved through the lifting ears. A placement part is opened at the center of the box door, and an observation board is installed in the placement part. The staff can observe the protector A, protector B and protector C in the box door through the observation board. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a side view structural schematic diagram of the present invention;

[0021] Figure 3 It is a schematic diagram of the connection structure between the servo motor and the fan blades in the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the mounting plate A in the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the mounting plate C in the present invention;

[0024] Figure 6 It is a schematic diagram of the PC board structure in the present invention;

[0025] Figure 7 Schematic diagram of the connection structure of circular plate A and circular plate B in the present invention.

[0026] In the figure, 10, three-phase power lightning protection box; 11, placement plate; 111, lifting ear; 101, air vent; 102, built-in plate; 103, servo motor; 104, fan blade; 105, sealing plate; 106, rotating shaft; 12, observation plate; 121, protector A; 122, protector B; 123, protector C; 124, safety lock; 13, partition; 131, PC board; 1311, single-chip microcomputer; 1312, signal transmission module; 1313, level detection module; 14, universal wheel; 15, box door; 20, mounting plate A; 21, connecting plate; 22, mounting plate B; 23, mounting plate C; 24, connecting strip; 25, internal connecting plate; 221, circular plate A; 222, connecting ring; 223, connecting pipe; 224, circular plate B; 2221, buckle. DETAILED DESCRIPTION

[0027] 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.

[0028] Example 1

[0029] like Figure 1 and Figure 2 As shown;

[0030] Figure 1 It is a structural schematic diagram of the present invention;

[0031] Figure 2 It is a side structural schematic diagram of the present invention.

[0032] A lightning protection device for protecting a medium and low voltage distribution network comprises a three-phase power supply lightning protection box 10 and four universal wheels 14 symmetrically installed on the bottom surface of the three-phase power supply lightning protection box 10. A box door 15 is hinged on the front surface of the three-phase power supply lightning protection box 10. A safety lock 124 is fixedly arranged on the surface of the box door 15. The box door 15 and the three-phase power supply lightning protection box 10 are connected through the safety lock 124. A placement portion is provided at the center of the box door 15. An observation panel 12 is installed in the placement portion. The observation panel 12 and the box door 15 are fixedly connected. The rear surface of the observation panel 12 is close to the three-phase power supply lightning protection box 10. A protector A121, a protector B122 and a protector C123 are installed inside the three-phase power supply lightning protection box 10. A partition 13 is fixedly provided inside the three-phase power supply lightning protection box 10. When the partition 13 is installed, a space for placing a PC board 131 is provided inside the three-phase power supply lightning protection box 10. The PC board 131 and the three-phase power supply lightning protection box 10 are fixedly connected. A placement plate 11 is fixedly provided on the upper surface of the three-phase power supply lightning protection box 10. Four lifting ears 111 are fixedly provided on the upper surface of the three-phase power supply lightning protection box 10 near the four corners of the placement plate 11.

[0033] In this embodiment: when the staff is in use, four universal wheels 14 are provided on the bottom surface of the three-phase power supply lightning protection box 10, and the staff can move the three-phase power supply lightning protection box 10 through the universal wheels 14, and four lifting ears 111 are fixedly provided at the four corners of the upper surface of the three-phase power supply lightning protection box 10 near the placement plate 11. When the production party is in production, the three-phase power supply lightning protection box 10 can be moved by the lifting ears 111, and a placement part is opened at the center of the box door 15, and an observation plate 12 is installed in the placement part. The staff can observe the protector A121, protector B122 and protector C123 in the box door 15 through the observation plate 12.

[0034] like Figure 6 As shown;

[0035] Figure 6 It is a schematic diagram of the PC board structure in the present invention.

[0036] In an optional embodiment, a single-chip microcomputer 1311, a signal transmission module 1312 and a horizontal detection module 1313 are mounted on the surface of the PC board 131; the single-chip microcomputer 1311 and the signal transmission module 1312 are signal-connected; the single-chip microcomputer 1311 and the horizontal detection module 1313 are signal-connected; and the single-chip microcomputer 1311 and the mobile phone are signal-connected via the signal transmission module 1312.

[0037] In this embodiment: when the staff is using it, because the single-chip microcomputer 1311 and the horizontal detection module 1313 are connected by signal, and the single-chip microcomputer 1311 and the mobile phone are connected by signal through the signal transmission module 1312, the staff can check whether the three-phase power supply lightning protection box 10 is in a horizontal state through the mobile phone, which brings convenience to the staff.

[0038] like Figure 2As shown;

[0039] Figure 2 It is a side structural schematic diagram of the present invention.

[0040] In an optional embodiment, air holes 101 are provided on both sides of the three-phase power supply lightning protection box 10, and a sealing plate 105 is provided on the inner wall of the three-phase power supply lightning protection box 10 near the air holes 101. The sealing plate 105 and the three-phase power supply lightning protection box 10 are rotatably connected via a rotating shaft 106, and the number of sealing plates 105 and air holes 101 is equal.

[0041] In this embodiment: when heat dissipation operation is performed, since air holes 101 are provided on both sides of the three-phase power supply lightning protection box 10, heat can be discharged from the air holes 101. Since the sealing plate 105 and the three-phase power supply lightning protection box 10 are rotatably connected by the rotating shaft 106, the air holes 101 can be sealed by the sealing plate 105 when idle.

[0042] like Figure 3 As shown;

[0043] Figure 3 It is a schematic diagram of the connection structure between the servo motor and the fan blades in the present invention.

[0044] In an optional embodiment, the servo motor 103 and the fan blades 104 form a group of transmission components, and the transmission components are provided with six groups in total. The six groups of transmission components are symmetrically installed on the surface of the built-in plate 102.

[0045] In an optional embodiment, a built-in board 102 is installed inside the three-phase power lightning protection box 10, and a plurality of servo motors 103 are installed on a side of the built-in board 102 close to the sealing plate 105, and a fan blade 104 is fixedly provided at the output end of the servo motor 103.

[0046] In this embodiment, since the fan blades 104 are fixedly provided at the output end of the servo motor 103, when the servo motor 103 is working, the fan blades 104 can be driven to rotate, thereby facilitating the heat dissipation operation of the staff.

[0047] like Figure 4 and Figure 5 As shown;

[0048] Figure 4 It is a schematic diagram of the structure of the mounting plate A in the present invention;

[0049] Figure 5 It is a schematic diagram of the structure of the mounting plate C in the present invention.

[0050] In an optional embodiment, it also includes a mounting plate A20, which is fixedly mounted on the rear surface of the three-phase power supply lightning protection box 10 and welded to the three-phase power supply lightning protection box 10. Four connecting plates 21 are fixedly provided on the side of the mounting plate A20 away from the three-phase power supply lightning protection box 10, and the four connecting plates 21 are symmetrically distributed on the surface of the mounting plate A20. An internal connecting plate 25 is fixedly provided on the side of the connecting plate 21 away from the mounting plate A20. The connecting plate 21 is connected to the internal connecting plate 25 through the mounting plate A20, and a mounting plate C23 is provided on the side of the mounting plate B22 away from the connecting plate 21.

[0051] In this embodiment: a mounting plate A20 is provided on the three-phase power supply lightning protection box 10. Since the connecting plate 21 is connected to the internal connecting plate 25 through the mounting plate A20, and a mounting plate C23 is provided on the side of the mounting plate B22 away from the connecting plate 21, this method is convenient for the staff to carry out installation operations, bringing convenience to the staff.

[0052] like Figure 4 and Figure 5 As shown;

[0053] Figure 4 It is a schematic diagram of the structure of the mounting plate A in the present invention;

[0054] Figure 5 It is a schematic diagram of the structure of the mounting plate C in the present invention.

[0055] In an optional embodiment, a plurality of connecting strips 24 and a plurality of internal connecting plates 25 are provided between the mounting plate B22 and the mounting plate C23 , and the mounting plate B22 and the mounting plate C23 are connected via the plurality of connecting strips 24 and the plurality of internal connecting plates 25 .

[0056] In an optional embodiment, a plurality of bolt holes are provided on the surfaces of the connection plate 21 and the mounting plate C23, and the connection plate 21 and the three-phase power supply lightning protection box 10 are connected by external bolts through the bolt holes.

[0057] In this embodiment: because a plurality of connecting strips 24 and a plurality of internal connecting plates 25 are provided between the mounting plate B22 and the mounting plate C23, the mounting plate B22 and the mounting plate C23 are connected via the plurality of connecting strips 24 and a plurality of internal connecting plates 25. This method can be used to reinforce the mounting plate B22 and the mounting plate C23.

[0058] like Figure 7 As shown;

[0059] Figure 7 Schematic diagram of the connection structure of circular plate A and circular plate B in the present invention.

[0060] In an optional embodiment, a circular plate A221 is further provided between the mounting plate B22 and the mounting plate C23, a connecting tube 223 is fixedly provided on one side of the circular plate A221 away from the mounting plate B22, and a circular plate B224 is fixedly provided on one end of the connecting tube 223 away from the circular plate A221.

[0061] In an optional embodiment, a connecting ring 222 is sleeved on the outer wall of the connecting tube 223 , and a buckle 2221 is fixedly provided on the outer wall of the connecting ring 222 , and the connecting ring 222 and the circular plate B224 are bonded and fixed by the buckle 2221 .

[0062] In this embodiment: by adopting this method, the workers can wind the wires through the above structure, which is convenient for the workers to carry out installation work.

[0063] The working principle and use process of the present invention are as follows: when used by staff, four universal wheels 14 are provided on the bottom surface of the three-phase power supply lightning protection box 10, and the staff can move the three-phase power supply lightning protection box 10 through the universal wheels 14. Four lifting ears 111 are fixedly provided at the four corners of the upper surface of the three-phase power supply lightning protection box 10 near the placement plate 11. When the production party is in production, the three-phase power supply lightning protection box 10 can be moved through the lifting ears 111. A placement portion is opened at the center of the box door 15, and an observation plate 12 is installed in the placement portion. The staff can observe the protector A121, protector B122 and protector C123 in the box door 15 through the observation plate 12.

[0064] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lightning protection device for protecting medium and low voltage distribution networks, characterized in that: The invention comprises a three-phase power supply lightning protection box (10) and four universal wheels (14) symmetrically mounted on the bottom surface of the three-phase power supply lightning protection box (10); a box door (15) is hingedly mounted on the front surface of the three-phase power supply lightning protection box (10); a safety lock (124) is fixedly mounted on the surface of the box door (15); the box door (15) and the three-phase power supply lightning protection box (10) are connected via the safety lock (124); a placement portion is provided at the center of the box door (15); an observation panel (12) is mounted in the placement portion; the observation panel (12) and the box door (15) are fixedly mounted; and the rear surface of the observation panel (12) is close to the three-phase power supply lightning protection box. A protector A (121), a protector B (122) and a protector C (123) are installed inside the three-phase power supply lightning protection box (10); a partition (13) is fixedly provided inside the three-phase power supply lightning protection box (10); when the partition (13) is installed, a space for placing a PC board (131) is provided inside the three-phase power supply lightning protection box (10); the PC board (131) and the three-phase power supply lightning protection box (10) are fixedly connected; a placement plate (11) is fixedly provided on the upper surface of the three-phase power supply lightning protection box (10); and four lifting ears (111) are fixedly provided on the upper surface of the three-phase power supply lightning protection box (10) at four corners close to the placement plate (11); It also includes a mounting plate A (20), wherein the mounting plate A (20) is fixedly mounted on the rear surface of the three-phase power supply lightning protection box (10) and is welded and fixed to the three-phase power supply lightning protection box (10); four connecting plates (21) are fixedly provided on a side of the mounting plate A (20) away from the three-phase power supply lightning protection box (10), and the four connecting plates (21) are symmetrically distributed on the surface of the mounting plate A (20); a mounting plate B (22) is fixedly provided on a side of the connecting plate (21) away from the mounting plate A (20); the connecting plate (21) is connected to the mounting plate B (22) through the mounting plate A (20); a mounting plate C (23) is provided on a side of the mounting plate B (22) away from the connecting plate (21); and an internal connecting plate (25) is provided between the mounting plate B (22) and the mounting plate C (23); A single-chip microcomputer (1311), a signal transmission module (1312) and a level detection module (1313) are mounted on the surface of the PC board (131); the single-chip microcomputer (1311) and the signal transmission module (1312) are signal-connected, the single-chip microcomputer (1311) and the level detection module (1313) are signal-connected, and the single-chip microcomputer (1311) and the mobile phone end are signal-connected via the signal transmission module (1312).

2. A lightning protection device for protecting medium and low voltage distribution networks according to claim 1, characterized in that: The three-phase power supply lightning protection box (10) is provided with ventilation holes (101) on both the left and right sides, and a sealing plate (105) is provided on the inner wall of the three-phase power supply lightning protection box (10) near the ventilation holes (101), and the sealing plate (105) and the three-phase power supply lightning protection box (10) are rotatably connected via a rotating shaft (106), and the number of the sealing plates (105) and the number of the ventilation holes (101) are equal.

3. A lightning protection device for protecting medium and low voltage distribution networks according to claim 2, characterized in that: A built-in plate (102) is installed inside the three-phase power supply lightning protection box (10), and a plurality of servo motors (103) are installed on a surface of the built-in plate (102) close to the sealing plate (105), and a fan blade (104) is fixedly provided at the output end of the servo motor (103).

4. A lightning protection device for protecting medium and low voltage distribution networks according to claim 3, characterized in that: The servo motor (103) and the fan blade (104) form a group of transmission components, and there are six groups of transmission components in total. The six groups of transmission components are symmetrically mounted on the surface of the built-in plate (102).

5. A lightning protection device for protecting medium and low voltage distribution networks according to claim 1, characterized in that: A plurality of connecting strips (24) and a plurality of internal connecting plates (25) are provided between the mounting plate B (22) and the mounting plate C (23); the mounting plate B (22) and the mounting plate C (23) are connected via the plurality of connecting strips (24) and the plurality of internal connecting plates (25).

6. A lightning protection device for protecting medium and low voltage distribution networks according to claim 5, characterized in that: A circular plate A (221) is further provided between the mounting plate B (22) and the mounting plate C (23); a connecting pipe (223) is fixedly provided on a surface of the circular plate A (221) away from the mounting plate B (22); and a circular plate B (224) is fixedly provided on an end of the connecting pipe (223) away from the circular plate A (221).

7. A lightning protection device for protecting medium and low voltage distribution networks according to claim 6, characterized in that: The outer wall of the connecting tube (223) is sleeved with a connecting ring (222), and the outer wall of the connecting ring (222) is fixedly provided with a buckle (2221), and the connecting ring (222) and the circular plate B (224) are bonded and fixed via the buckle (2221).

8. The lightning protection device for protecting medium and low voltage distribution networks according to claim 1, characterized in that: A plurality of bolt holes are provided on the surfaces of the connection plate (21) and the mounting plate C (23), and the connection plate (21) and the three-phase power supply lightning protection box (10) are connected via the bolt holes and external bolts.

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