Lightning protection assembly for wires and cables

Abstract

The utility model discloses an electric wire and cable lightning protection assembly comprising an upper installation shell and a lower installation shell, the upper installation shell and the lower installation shell are connected through a buckle and a screw, an overload mechanism is arranged on the inner side of the upper installation shell and the inner side of the lower installation shell, the overload mechanism comprises a plurality of toughened glass tubes, and resistance wires are arranged in the toughened glass tubes. Conductive blocks are fixedly mounted at two ends of the tempered glass tube, the two conductive blocks are connected with the resistance wire, wiring blocks are fixedly arranged at two ends of the upper mounting shell and the lower mounting shell, the two wiring blocks are connected through buckles, grooves are formed in the inner sides of the wiring blocks, and wiring piles are arranged in the grooves; the lightning protection device has the advantages of simple structure, high stability and capability of automatically disconnecting the circuit after being struck by lightning.

Description

Technical Field

[0001] The utility model belongs to the technical field of wire and cable manufacturing, and in particular relates to a lightning protection component for wire and cable. Background Art

[0002] Wires and cables play a vital role in power transmission and communication systems, and lightning strikes often cause serious damage and potential safety hazards to these systems. The high voltage electricity generated by lightning strikes will spread along the wires and cables. Excessive voltage can instantly damage downstream electrical appliances. Therefore, the existence of lightning protection components for wires and cables is particularly important. Utility Model Content

[0003] The utility model aims to provide a lightning protection component for electric wires and cables in order to solve the problem that the excessively high voltage after the common electric wires and cables are struck by lightning is easy to damage the downstream electrical appliances.

[0004] The utility model achieves the above-mentioned purpose through the following technical scheme: it includes an upper mounting shell and a lower mounting shell, the upper mounting shell and the lower mounting shell are connected by buckles and screws, the inner sides of the upper mounting shell and the lower mounting shell are provided with overload mechanisms, the overload mechanisms include a plurality of tempered glass tubes, the tempered glass tubes are provided with resistance wires, both ends of the tempered glass tubes are fixedly installed with conductive blocks, the two conductive blocks are connected to the resistance wires, both ends of the upper mounting shell and the lower mounting shell are fixedly provided with wiring blocks, the two wiring blocks are connected by buckles, the inner sides of the wiring blocks are provided with grooves, and wiring piles are provided in the grooves.

[0005] Furthermore, the terminal post includes a semi-cylindrical conductive post and an arc-shaped limit cover, the conductive post and the arc-shaped limit cover are connected by a snap, and a fastening screw is penetrated through the arc-shaped limit cover.

[0006] Furthermore, the conductive pile is electrically connected to the conductive block.

[0007] Furthermore, support frames are fixedly provided on the inner sides of the upper mounting shell and the lower mounting shell, and the support frames at relative positions wrap and clamp the tempered glass tube.

[0008] Furthermore, cables are connected to both ends of the terminal post.

[0009] Furthermore, glass observation windows are fixedly provided on the upper surfaces of the upper mounting shell and the lower mounting shell.

[0010] Beneficial effects: The utility model has reasonable design and has the following beneficial effects:

[0011] In this practical solution, the current is introduced through the conductive pile and the conductive block and then output from the wiring pile at the other end after passing through the overload mechanism. When struck by lightning, the high voltage electricity generated instantly will quickly fuse the resistor wire and disconnect the circuit to avoid damage to the electrical appliance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a partial structural sectional view of the utility model.

[0014] In the figure: 1-upper mounting shell, 2-lower mounting shell, 3-overload mechanism, 4-wiring block, 5-wiring pile, 6-support frame, 7-glass observation window;

[0015] 31-tempered glass tube, 32-resistance wire, 33-conductive block, 41-groove, 51-conductive pile, 52-arc limit cover, 53-fastening screw. DETAILED DESCRIPTION

[0016] 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.

[0017] Combination Figure 1 to Figure 2 A lightning protection component for electric wires and cables is shown, comprising an upper mounting shell 1 and a lower mounting shell 2, the upper mounting shell 1 and the lower mounting shell 2 are connected by buckles and screws, an overload mechanism 3 is provided inside the upper mounting shell 1 and the lower mounting shell 2, the overload mechanism 3 comprises a plurality of tempered glass tubes 31, a resistance wire 32 is provided inside the tempered glass tube 31, conductive blocks 33 are fixedly installed at both ends of the tempered glass tube 31, the two conductive blocks 33 are connected to the resistance wire 32, a wiring block 4 is fixedly provided at both ends of the upper mounting shell 1 and the lower mounting shell 2, the two wiring blocks 4 are connected by buckles, a groove 41 is provided inside the wiring block 4, and a wiring post 5 is provided in the groove 41.

[0018] The terminal post 5 includes a semi-cylindrical conductive post 51 and an arc-shaped limiting cover 52. The conductive post 51 and the arc-shaped limiting cover 52 are connected by a buckle. A fastening screw 53 is provided through the arc-shaped limiting cover 52. After the wire core is inserted into the arc-shaped limiting cover 52, the wire core is fastened by tightening the fastening screw 53, and the wire core is closely fitted to the conductive post 51.

[0019] The conductive pile 51 is electrically connected to the conductive block 33 to facilitate the current to be introduced and pass through the overload mechanism 3;

[0020] The inner sides of the upper mounting shell 1 and the lower mounting shell 2 are both fixed with support frames 6, and the support frames 6 at relative positions wrap and clamp the tempered glass tube 31, so as to limit the position of the overload mechanism 3;

[0021] Cables are connected to both ends of the wiring pile 5;

[0022] Glass observation windows 7 are fixedly provided on the upper surfaces of the upper mounting shell 1 and the lower mounting shell 2 to facilitate observation of the state of the resistance wire 32 in the overload mechanism 3 .

[0023] Working principle: When the utility model is in use, after the wire core is inserted into the arc-shaped limit cover, the wire core is tightened by tightening the fixing screws, and at the same time, the wire core is closely fitted to the conductive pile. The current is introduced through the conductive pile and the conductive block and passes through the overload mechanism and then output from the wiring pile at the other end. When struck by lightning, the high voltage electricity generated instantly will quickly fuse the resistance wire and disconnect the circuit to avoid damage to the electrical appliance.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A lightning protection assembly for electric wires and cables, comprising an upper mounting shell (1) and a lower mounting shell (2), characterized in that: The upper mounting shell (1) and the lower mounting shell (2) are connected by buckles and screws. An overload mechanism (3) is provided inside the upper mounting shell (1) and the lower mounting shell (2). The overload mechanism (3) comprises a plurality of tempered glass tubes (31). A resistance wire (32) is provided inside the tempered glass tubes (31). Conductive blocks (33) are fixedly installed at both ends of the tempered glass tubes (31). The two conductive blocks (33) are connected to the resistance wire (32). A wiring block (4) is fixedly provided at both ends of the upper mounting shell (1) and the lower mounting shell (2). The two wiring blocks (4) are connected by buckles. A groove (41) is provided inside the wiring block (4). A wiring post (5) is provided inside the groove (41).

2. A lightning protection assembly for electric wires and cables according to claim 1, characterized in that: The wiring post (5) comprises a semi-cylindrical conductive post (51) and an arc-shaped limiting cover (52); the conductive post (51) and the arc-shaped limiting cover (52) are connected via a snap-fit; and a fastening screw (53) is provided through the arc-shaped limiting cover (52).

3. A lightning protection assembly for electric wires and cables according to claim 2, characterized in that: The conductive pile (51) is electrically connected to the conductive block (33).

4. A lightning protection assembly for electric wires and cables according to claim 3, characterized in that: Support frames (6) are fixedly provided on the inner sides of the upper mounting shell (1) and the lower mounting shell (2), and the support frames (6) at relative positions wrap around and clamp the tempered glass tube (31).

5. A lightning protection assembly for electric wires and cables according to claim 4, characterized in that: Cables are connected to both ends of the wiring post (5).

6. A lightning protection assembly for electric wires and cables according to claim 5, characterized in that: Glass observation windows (7) are fixedly provided on the upper surfaces of the upper mounting shell (1) and the lower mounting shell (2).

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