CN218734673U - Lightning protection structure of switch - Google Patents

Abstract

The utility model discloses a lightning protection structure of switch relates to the switch technical field, including the switch body, the signal port department of switch body is pegged graft and is had the cable, the one end of cable is provided with the network lightning protection device, the input of network lightning protection device is pegged graft and is had the net twine, the cable passes through network lightning protection device and net twine electric connection, net twine one end and external communication equipment electric connection, and be provided with the wiring box on the built on stilts end of net twine, the wiring box sets up on the wiring frame that is used for setting up the cable externally, be provided with the armor in the wiring box, the inner wall of armor is provided with the insulating layer, be provided with supplementary threading subassembly in the insulating layer; and the surface of the network lightning protector is provided with a grounding wire. The utility model discloses be convenient for reduce this internal integrated circuit of switch and receive lightning voltage to disturb and take place to puncture impaired probably, avoid the switch body to receive the thunderbolt accident and lead to communication interruption, improve the operation stability of switch body.

Description

Lightning protection structure of switch

Technical Field

The utility model relates to a switch technical field specifically is a lightning protection structure of switch.

Background

The switch is a network device for forwarding electrical signals, and can provide an exclusive electrical signal path for any two network nodes accessing the switch, wherein the most common switch is an ethernet switch, and other common switches are a telephone voice switch, an optical fiber switch and the like.

The lightning damage of the switch is mostly caused by that the induced voltage generated on the network cable by the lightning weather enters the machine through the signal port of the switch, and the general lightning protection measures of the whole machine, such as the arrangement of a lightning rod, the grounding of a machine shell and the like, can not solve the problem. The lightning electromagnetic pulse conducted from the line enables the integrated circuit to be interfered by lightning, breakdown damage occurs, the exchanger is caused to be struck by lightning, and communication interruption is further caused. Thunder and lightning electromagnetic pulse who causes by thunder and lightning response and thunder and lightning wave invasion is the leading cause that leads to the telecom equipment to damage, and the circuit that gets into the switch computer lab receives response thunder and lightning wave invasion, and longer interconnecting link between switch and the extension, and all the easy response produces the thunderbolt excessive pressure, damages the switch.

Current switch is in the use, place the use in the computer lab usually, and set up the shell and the rack ground connection of switch, in order to play certain lightning protection effect, but the circuit part that gets into the switch computer lab is built on stilts setting, easily receive response thunder and lightning wave invasion interference, thunder and lightning electromagnetic pulse and induced voltage from the line conduction, make integrated circuit in the switch receive lightning voltage interference, it is impaired to take place to puncture, lead to the switch to receive the thunderbolt accident, and then lead to communication interruption, influence the job stabilization nature of switch.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem that current switch exists in the application, the utility model provides a lightning protection structure of switch.

A lightning protection structure of a switch comprises a switch body, wherein a cable is spliced at a signal port of the switch body, a network lightning protector is arranged at one end of the cable, a network cable is spliced at the input end of the network lightning protector, the cable is electrically connected with the network cable through the network lightning protector, one end of the network cable is electrically connected with external communication equipment, a wiring box is arranged at the overhead end of the network cable, the wiring box is arranged on a wiring frame externally used for erecting the cable, an armor layer is arranged in the wiring box, an insulating layer is arranged on the inner wall of the armor layer, and an auxiliary threading component is arranged in the insulating layer;

the surface of the network lightning protection device is provided with a grounding wire, and one end of the grounding wire is provided with a tapping component.

Furthermore, the tapping assembly comprises a first grounding cable and a second grounding cable, one end of the first grounding cable and one end of the second grounding cable are respectively and electrically connected with one end of the grounding wire, and the other ends of the first grounding cable and the second grounding cable are respectively and grounded.

Furthermore, the armor layer is made of a braided copper wire, and the insulating layer is made of insulating rubber.

Further, supplementary threading subassembly includes centre gripping pipe, metal block and powerful magnet piece, the centre gripping pipe activity is worn to locate in the insulating layer, and the longitudinal section of centre gripping pipe sets to C shape, the centre gripping pipe box is established on one of net twine to with net twine interference fit.

Furthermore, the inner wall of insulating layer has seted up the slide rail, the metal block sets up in the slide rail to with slide rail sliding connection, and a metal block lateral wall and centre gripping pipe lateral wall rigid coupling, powerful magnet piece activity butt is in a lateral wall department of wiring box, and powerful magnet piece and metal block magnetism are connected, and drive the metal block and slide along the slide rail.

The utility model has the advantages that:

one end of the network cable is arranged in the clamping pipe, and then the powerful magnet is moved along the threading direction, so that the metal block is driven to slide along the slide rail through the magnetic adsorption effect, the clamping pipe is driven to move along the insulating layer, the network cable is arranged in the insulating layer of the wiring box in a penetrating manner, the threading operation of the network cable is facilitated, and then the possibility that the network cable is interfered by induced voltage of thunder is preliminarily reduced by arranging the wiring box on one end of the network cable which is arranged in an overhead manner and matching the armor layer and the insulating layer in the wiring box;

furthermore, by means of electrically connecting a network lightning arrester to the cable at the input end of the switch body, the lightning current conducted through the network cable is further weakened through the network lightning arrester, the grounding wire of the network lightning arrester, the first grounding cable and the second grounding cable are matched to conduct the lightning current to the ground, and the first grounding cable and the second grounding cable are respectively grounded, so that when the grounding part of one of the first grounding cable and the second grounding cable loosens and falls off to lose the grounding effect, the other grounding part can still play a grounding conduction effect for the network lightning arrester to avoid the grounding fault of the action effect of the network lightning arrester, and the lightning protection effect on the switch body is further ensured;

to sum up the cooperation, be convenient for reduce this internal integrated circuit of switch receive the thunder and lightning voltage interference and take place to puncture impaired probably, avoid the switch body to receive the thunderbolt accident and lead to communication interruption, improve the operation stability of switch body.

Drawings

Fig. 1 is a perspective view of a switch body.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a sectional view of a network lightning protector.

Fig. 4 is an enlarged structural view at B in fig. 3.

1. A switch body; 2. a cable; 3. a network lightning protection device; 4. a network cable; 5. a wiring box; 6. an armor layer; 7. an insulating layer; 8. an auxiliary threading assembly; 81. clamping the tube; 82. a metal block; 83. a strong magnet block; 9. a ground line; 10. a tapping assembly; 101. a first grounding cable; 102. a second grounding cable; 11. a slide rail.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Examples

The utility model provides a lightning protection structure of switch, including switch body 1, the signal port department of switch body 1 pegs graft and has cable 2, the one end of cable 2 is provided with network lightning protection device 3, and link even with network lightning protection device 3's output electricity, network cable 4 has been pegged graft to network lightning protection device 3's input, cable 2 passes through network lightning protection device 3 and network cable 4 electric connection, 4 one end of network cable and external communication equipment electric connection, and be provided with wiring box 5 on network cable 4's the built on stilts end, wiring box 5 sets up externally and is used for setting up on the wiring frame of cable 2, be provided with armor 6 in wiring box 5, the material of armor 6 is for weaving the copper wire, the inner wall of armor 6 is provided with insulating layer 7, the material of insulating layer 7 is insulating rubber. Through the overhead mode that sets up wiring box 5 that lays in outside 4 one of net twines to through the cooperation of armor 6 and insulating layer 7 in the wiring box 5, play certain guard action to the overhead end of net twine 4, be convenient for tentatively reduce the possibility that net twine 4 received the induced voltage interference of thunder and lightning, refer to fig. 3, fig. 4.

Be provided with supplementary threading subassembly 8 in the insulating layer 7, supplementary threading subassembly 8 includes centre gripping pipe 81, metal block 82 and powerful magnet piece 83, the insulating layer 7 is worn to locate in the activity of centre gripping pipe 81, the diameter of centre gripping pipe 81 is less than the inner circle diameter of insulating layer 7, and the longitudinal section of centre gripping pipe 81 sets up C shape, centre gripping pipe 81 cover is established on one end of net twine 4, and with net twine 4 interference fit, the inner circle diameter of centre gripping pipe 81 slightly is less than the cross section diameter of net twine 4, the material of centre gripping pipe 81 is plastics, certain elasticity and plasticity have, so that interference fit centre gripping net twine 4. The inner wall of the insulating layer 7 is provided with a slide rail 11, the metal block 82 is arranged in the slide rail 11 and is connected with the slide rail 11 in a sliding manner, one side wall of the metal block 82 is fixedly connected with one side wall of the clamping tube 81, the strong magnet block 83 is movably abutted against one side wall of the wiring box 5, and the strong magnet block 83 is magnetically connected with the metal block 82 and drives the metal block 82 to slide along the slide rail 11. Through the one end setting with net twine 4 in centre gripping pipe 81, and then through removing powerful magnet along the threading direction to drive metal block 82 through the magnetic adsorption effect and slide along slide rail 11, and then drive centre gripping pipe 81 and remove along the insulating layer 7, and make net twine 4 wear to establish and arrange in the insulating layer 7 of wiring box 5, make things convenient for the threading operation of net twine 4, refer to fig. 3, 4.

The surface of the network lightning protector 3 is provided with a grounding wire 9, and one end of the grounding wire 9 is provided with a tapping component 10. The tapping assembly 10 comprises a first grounding cable 101 and a second grounding cable 102, wherein one ends of the first grounding cable 101 and the second grounding cable 102 are respectively and electrically connected with one end of the grounding wire 9, and the other ends of the first grounding cable 101 and the second grounding cable 102 are respectively and electrically connected with the ground. By means of electrically connecting the network lightning arrester 3 to the input end cable 2 of the switch body 1, the lightning current conducted through the network cable 4 is further weakened through the network lightning arrester 3, and the network lightning arrester 3 is suitable for centralized protection of multiple network signal lines, is mainly used for lightning (overvoltage) protection of equipment invading along the network signal lines, and refers to fig. 1 and 2.

The grounding wires 9, the first grounding cables 101 and the second grounding cables 102 of the network lightning arrester 3 are matched to conduct the lightning current to the ground, and the first grounding cables 101 and the second grounding cables 102 are respectively grounded, so that when the grounding part of one of the first grounding cables and the second grounding cables 102 loosens and loses the grounding effect, the other grounding part still can play a role in grounding conduction for the network lightning arrester 3, so that the grounding fault is avoided from occurring in the effect of the network lightning arrester 3, the lightning protection effect on the switch body 1 is further ensured, and the method is shown in fig. 1 and fig. 2.

To sum up the cooperation, be convenient for reduce the integrated circuit in the switch body 1 receive the thunder and lightning voltage interference and take place to puncture impaired probably, avoid switch body 1 to receive the thunderbolt accident and lead to communication interruption, improve switch body 1's operation stability, refer to fig. 1, fig. 2.

It is understood that the described embodiments are merely exemplary of the invention, rather than exemplary of the whole, and that those skilled in the art will be able to make various modifications, additions and substitutions to the described embodiments without departing from the spirit of the invention or exceeding the scope of the claims. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure.

Claims (5)

1. A lightning protection structure of a switch comprises a switch body (1), wherein a cable (2) is inserted at a signal port of the switch body (1), and the lightning protection structure is characterized in that one end of the cable (2) is provided with a network lightning protector (3), a network cable (4) is inserted at the input end of the network lightning protector (3), the cable (2) is electrically connected with the network cable (4) through the network lightning protector (3), one end of the network cable (4) is electrically connected with external communication equipment, a wiring box (5) is arranged at the overhead end of the network cable (4), the wiring box (5) is arranged on a wiring frame for erecting the cable (2) externally, an armor layer (6) is arranged in the wiring box (5), an insulating layer (7) is arranged on the inner wall of the armor layer (6), and an auxiliary threading assembly (8) is arranged in the insulating layer (7);

the surface of the network lightning protector (3) is provided with a grounding wire (9), and one end of the grounding wire (9) is provided with a tapping component (10).

2. The lightning protection structure of a switch according to claim 1, characterized in that the tapping component (10) comprises a first ground cable (101) and a second ground cable (102), one end of the first ground cable (101) and one end of the second ground cable (102) are electrically connected with one end of the ground wire (9), and the other end of the first ground cable (101) and the other end of the second ground cable (102) are grounded.

3. The lightning protection structure for switches according to claim 1, characterized in that the material of the armor layer (6) is braided copper wire and the material of the insulating layer (7) is insulating rubber.

4. The lightning protection structure of a switch according to claim 1, characterized in that the auxiliary threading component (8) includes a clamping tube (81), a metal block (82) and a strong magnet block (83), the clamping tube (81) is movably inserted into the insulating layer (7), the longitudinal section of the clamping tube (81) is formed into a C shape, and the clamping tube (81) is sleeved on one end of the network cable (4) and is in interference fit with the network cable (4).

5. The lightning protection structure of an exchange according to claim 4, wherein the inner wall of the insulating layer (7) is provided with a slide rail (11), the metal block (82) is arranged in the slide rail (11) and is slidably connected with the slide rail (11), one side wall of the metal block (82) is fixedly connected with one side wall of the clamping tube (81), the strong magnet block (83) is movably abutted against one side wall of the wiring box (5), and the strong magnet block (83) is magnetically connected with the metal block (82) and drives the metal block (82) to slide along the slide rail (11).

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