CN210669525U

CN210669525U - Lightning protection device

Info

Publication number: CN210669525U
Application number: CN201921778027.8U
Authority: CN
Inventors: 张庭炎; 杨川林; 袁明福; 谭胜淋
Original assignee: Shenzhen Launch Technology Co Ltd
Current assignee: Shenzhen Launch Technology Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-02
Anticipated expiration: 2029-10-22

Abstract

The utility model provides a lightning protection device, include: the lightning arrester comprises an insulating shell and magnetic ring bodies, wherein the magnetic ring bodies are arranged to be two symmetrical ring bodies, the two magnetic ring bodies are symmetrically arranged in a closed mode to form an internal cavity, a lead to be inhibited from lightning penetrates through the cavity, the magnetic ring bodies are coated inside the insulating shell, and an open air gap parallel to the closed surface of the magnetic ring bodies is formed in the insulating shell. The lightning interference between two earth screens, two types of earth wires or on a house lead is prevented by the blocking and inhibiting effect of the magnetic material with high magnetic permeability on the rapidly changing current.

Description

Lightning protection device

Technical Field

The utility model relates to a lightning protection technical field especially relates to a lightning protection device.

Background

Because of the great difference of Chinese landform and landform, large latitude span, frequent thunder and lightning disasters, particularly great damage to electronic and electrical equipment (microelectronics) caused by an induction thunder, the invasion of the induction thunder to the electronic and electrical equipment mainly has two channels, one channel is a house lead, and the other channel is ground potential counterattack. The strong lightning current of response not only causes the damage of electronic and electrical equipment when invading, and many SPDs that lightning protection was used are damaged simultaneously also, and mainly SPD adopts parallelly connected or the mode of establishing ties to connect in the electronic circuit, SPD itself also is an electronic device, and it is damaged by the influence of outside electromagnetic environment and self ageing, can not provide the lightning protection effect after damaging, and can cause the tripping operation or the short circuit of power supply line when the short circuit damages.

In the prior art, lightning protection devices (such as discharge tubes, piezoresistors, transient suppression diodes and other nonlinear devices) are connected in parallel or in series on a service conductor (such as a power line, a signal line, a ground wire and other metal conductors), and the nonlinear characteristics of the lightning protection devices are utilized to discharge lightning current and limit lightning voltage; the devices are easy to age and damage due to the limitation of the power of the devices in the using process, so that a standby tripping device is required to be added in the mainstream lightning protection product standard (such as the surge protector performance of a part 1 of a GB 18802.1-2011 low-voltage Surge Protector (SPD) _ a low-voltage distribution system and the technical requirement of a YDT 1235.1-2002 communication bureau (station) low-voltage distribution system surge protector), and the purpose of disconnecting the lightning protection devices from the line after the lightning protection devices are damaged is to ensure that the line is not influenced by the damage of the lightning protection devices.

Because the lightning protection devices are connected to the protected line in series or in parallel, the electrical connection points of the protected line are inevitably increased, and the increased electrical connection points cause the increase of electrical fault points and the complexity of installation, and increase the installation and operation cost.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been made in order to provide a lightning protection device that overcomes or at least partially solves the above problems.

In order to solve the above problem, the utility model discloses a lightning protection device, include: the lightning arrester comprises an insulating shell and magnetic ring bodies, wherein the magnetic ring bodies are arranged to be two symmetrical ring bodies, the two magnetic ring bodies are symmetrically arranged in a closed mode to form an internal cavity, a lead to be inhibited from lightning penetrates through the cavity, the magnetic ring bodies are coated inside the insulating shell, and an open air gap parallel to the closed surface of the magnetic ring bodies is formed in the insulating shell.

Furthermore, the connecting device also comprises a plurality of connecting pieces and a plurality of connecting holes arranged on the insulating shell, wherein the connecting pieces are used for connecting the connecting holes on the insulating shell.

Further, the connecting holes are specifically provided as screw holes.

Further, the connecting piece comprises a small copper bar connecting line.

Further, the insulating housing is specifically configured as a plastic insulating housing.

Further, the magnetic ring body comprises an amorphous and/or nanocrystalline composite magnetic ring body.

Further, the size of the magnetic ring body is set according to the intensity of lightning current and the wire diameter of the lead.

The utility model discloses a following advantage: the lightning interference between two earth screens, two types of earth wires or on a house lead is prevented by the blocking and inhibiting effect of the magnetic material with high magnetic permeability on the rapidly changing current.

Drawings

Fig. 1 is a block diagram of a lightning protection device according to the present invention;

fig. 2 is a block diagram of a lightning protection device according to another embodiment of the present invention.

1 connecting hole, 2 air gaps, 3 insulating shell, 4 magnetic ring bodies and 5 connecting pieces

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

One of the core ideas of the utility model lies in that a lightning protection device is provided, include: insulating casing 3 and magnetism ring body 4, magnetism ring body 4 set up to the ring body of two symmetries, and two 4 symmetry closure settings of magnetism ring bodies form inside cavity, wear to overlap in the cavity and remain the wire that suppresses the thunder and lightning, and inside the cladding of magnetism ring body 4 in insulating casing 3, insulating casing 3 was equipped with and opens the air gap 2 parallel with 4 closed planes of magnetism ring body. The lightning interference between two earth screens, two types of earth wires or on a house lead is prevented by the blocking and inhibiting effect of the magnetic material with high magnetic permeability on the rapidly changing current.

Referring to fig. 1, a structural block diagram of a lightning protection device of the present invention is shown, which may specifically include: insulating casing 3 and magnetism ring body 4, magnetism ring body 4 set up to the ring body of two symmetries, and two 4 symmetry closure settings of magnetism ring bodies form inside cavity, wear to overlap in the cavity and remain the wire that suppresses the thunder and lightning, and inside the cladding of magnetism ring body 4 in insulating casing 3, insulating casing 3 was equipped with and opens the air gap 2 parallel with 4 closed planes of magnetism ring body.

In the embodiment, the lightning protection and suppression device is simple, convenient to install and low in cost; the magnetic ring body 4 with high magnetic conductivity is sleeved on a metal lead of a house, between two ground nets or a connecting lead between two types of the metal lead, and the metal lead comprises metal conductors such as a power line, a signal line, a ground line and the like. The ground wire comprises a lightning protection ground, a working ground, a protective ground and a power line needing protection. The magnetic ring body 4 with high magnetic permeability comprises amorphous, nanocrystalline or composite magnetic material, and in other embodiments, the magnetic ring body 4 may also be composed of two or more magnetic materials. The conduction of lightning current on the lead wire is inhibited by utilizing the blocking and inhibiting effects of the magnetic materials on the rapidly changing current. The choice of magnetic material may be selected according to the intensity of the lightning current and the wire diameter of the wire.

The lightning protection device can effectively solve the problems of conduction of lightning current on a lead, lightning protection of a power line, ground potential counterattack and the like; this simple structure, the mounting means is simple and easy, need not to break off original wire, can directly cup joint this product on original ground wire, greatly reduced installation cost and cost of labor, its material cost is also low. And the non-electrical connection installation is adopted, so that no electrical fault occurs in the application.

In an embodiment, the lightning protection device is a cylinder of a standard component, and can be processed into other shapes such as a rectangle according to the shape and specification of the wire in practical application. The present application is not limited to the shapes of the insulating case 3 and the magnetic ring body 4.

In the present embodiment, a plurality of connecting members 5 and a plurality of connecting holes 1 provided in the insulating housing 3 are further included, and the connecting members 5 are used to connect the plurality of connecting holes 1 on the insulating housing 3.

In the present embodiment, the connection hole 1 is specifically provided as a screw hole.

In the present embodiment, the connecting member 5 comprises a small copper bar connecting wire.

In the present embodiment, the insulating housing 3 is specifically configured as a plastic insulating housing 3.

In the present embodiment, the magnetic ring body 4 includes an amorphous and/or nanocrystalline composite magnetic ring body 4.

In the lightning protection device provided by this embodiment, the magnetic ring body 4 with high magnetic permeability is wrapped in the insulating housing 3, four symmetrical screw holes are arranged at two ends of the insulating housing 3, the insulating housing 3 is provided with the open air gap 2, the length direction of the open air gap 2 is parallel to the length direction of the lightning protection device, a plurality of insulating housings 3 are connected by passing a small copper bar through the screw holes, and in other embodiments, a common wire can be used for connection. After being processed into two hollow semicylinders by adopting a magnetic material with high magnetic permeability, the magnetic material is fixedly assembled in a hollow cylindrical plastic insulating shell 3, and an open air gap 2 is arranged on the hollow cylindrical insulating shell 3. The overall size of the product is proportional to the lightning electromagnetic intensity of the actual environment in use and the size of the connecting wire of the ground wire. The magnetic material with high magnetic permeability has the function of preventing the lightning interference between two ground nets or two types of ground wires or on an indoor conductor by utilizing the obstruction and the inhibition of the magnetic material on the rapid change current. Hollow cylindrical plastic insulating material is used for fixed magnetic material, and play insulating effect, connecting hole 1 and little copper bar connecting wire of symmetry are used for the installation of a plurality of product expansions fixed, the screw on the above-mentioned little copper bar is with magnetic material is electrical connection, thereby connect into a whole with a plurality of products of expanding in the electricity, the opening of opening air gap 2 is used for conveniently opening the lightning protection device and cup joints on the ground wire that will protect, it also helps reducing magnetic saturation of magnetic material to open the clearance simultaneously, thereby the lightning protection device can be made up by a plurality of concatenations when using and reach effective shielding and restrain the lightning current conduction on the wire.

The utility model discloses a magnetic material of high magnetic conductivity prevents between two earth screens, two types of ground wires or the thunder and lightning interference on the wire of registering one's residence to the hindrance and the inhibitory action of the fast change electric current.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The lightning protection device provided by the present invention is introduced in detail, and the principle and the implementation of the present invention are explained by applying specific examples, and the descriptions of the above examples are only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A lightning protection device, comprising: the lightning arrester comprises an insulating shell and magnetic ring bodies, wherein the magnetic ring bodies are arranged to be two symmetrical ring bodies, the two magnetic ring bodies are symmetrically arranged in a closed mode to form an internal cavity, a lead to be inhibited from lightning penetrates through the cavity, the magnetic ring bodies are coated inside the insulating shell, and an open air gap parallel to the closed surface of the magnetic ring bodies is formed in the insulating shell.

2. The lightning protection device according to claim 1, further comprising a plurality of connecting members and a plurality of connecting holes provided in the insulating housing, wherein the connecting members are configured to connect to the plurality of connecting holes on the insulating housing.

3. The lightning protection device according to claim 2, characterized in that the connection holes are in particular provided as screw holes.

4. The lightning protection device of claim 2, wherein the connector comprises a small copper bar connection line.

5. The lightning protection device according to claim 1, wherein the insulating housing is configured as a plastic insulating housing.

6. The lightning protection device of claim 1, wherein the magnetic ring body comprises an amorphous and/or nanocrystalline composite magnetic ring body.

7. The lightning protection device according to claim 1, wherein the magnetic ring is sized according to the intensity of lightning current and the wire diameter of the wire.