CN220821219U - Thunder and lightning equalizer for lightning protection - Google Patents
Thunder and lightning equalizer for lightning protection Download PDFInfo
- Publication number
- CN220821219U CN220821219U CN202322630731.1U CN202322630731U CN220821219U CN 220821219 U CN220821219 U CN 220821219U CN 202322630731 U CN202322630731 U CN 202322630731U CN 220821219 U CN220821219 U CN 220821219U
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- layer
- lightning
- lightning protection
- flexible cable
- waterproof
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- 238000007493 shaping process Methods 0.000 claims abstract description 38
- 238000009413 insulation Methods 0.000 claims abstract description 9
- YKPUWZUDDOIDPM-SOFGYWHQSA-N capsaicin Chemical compound COC1=CC(CNC(=O)CCCC\C=C\C(C)C)=CC=C1O YKPUWZUDDOIDPM-SOFGYWHQSA-N 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 229960002504 capsaicin Drugs 0.000 claims description 6
- 235000017663 capsaicin Nutrition 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 2
- 241000255925 Diptera Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a lightning equalizer for lightning protection, which belongs to the field of cable overvoltage protection, and comprises: the lightning-protection part comprises a lightning-protection part body, a flexible cable, a first binding post and a second binding post, wherein the first binding post is connected with one end of the lightning-protection part body through one flexible cable, and the other end of the lightning-protection part body is connected with the second binding post through the other flexible cable. The flexible cable comprises a conductive layer, a waterproof layer and an insulation shaping layer, wherein the waterproof layer is sleeved on the outer surface of the conductive layer, and the insulation shaping layer is sleeved on the outer surface of the waterproof layer. Through setting up insulating design layer in the flexible cable for the flexible cable can change the shape wantonly, and can maintain the shape of design for a long time, make flexible cable reason line simple, flexible cable fuses rather than surrounding environment more easily, reduces flexible cable by hanging and pulls the possibility of fracture.
Description
Technical Field
The utility model belongs to the field of cable overvoltage protection, and particularly relates to a lightning equalizer for lightning protection.
Background
In the lightning protection system of the urban rail transit contact net, a lightning protection lightning equalizer is used for connecting a contact net post with ground flat steel or round steel, and the lightning protection lightning equalizer is used for being arranged in the open air and is arranged on a cable support or the contact net post at the side of a strand.
Under the normal working condition of the system, after the lightning equalizer for lightning protection is installed, the system voltage and the ground are in an open circuit state, and direct current stray current cannot form a loop, so that direct current corrosion is prevented. At the moment of lightning contact net, the lightning voltage equalizer is conducted under the action of lightning overvoltage, and the lightning energy is discharged to the ground through the loop. After lightning, the lightning equalizer for lightning protection automatically restores the open circuit state and works normally.
When the lightning equalizer for lightning protection is installed, the flexible cables on two sides of the lightning equalizer are usually longer than two connecting points, so that the flexible cables are outwards bent and spiral, the wires are difficult to arrange, and the lightning equalizer can be easily hung with a moving object to be pulled and broken without taking measures.
Disclosure of utility model
The utility model aims to provide a lightning equalizer for lightning protection, which is used for enabling flexible cables on two sides of the lightning equalizer for lightning protection to have plasticity, so that the wires are simple to arrange, and the possibility that the flexible cables are hung, pulled and broken is reduced.
In order to achieve the above object, the present utility model provides the following technical solutions:
A lightning strike equalizer for lightning protection comprising: the lightning-protection part comprises a lightning-protection part body, a flexible cable, a first binding post and a second binding post, wherein the first binding post is connected with one end of the lightning-protection part body through one flexible cable, and the other end of the lightning-protection part body is connected with the second binding post through the other flexible cable.
The flexible cable comprises a conductive layer, a waterproof layer and an insulation shaping layer, wherein the waterproof layer is sleeved on the outer surface of the conductive layer, and the insulation shaping layer is sleeved on the outer surface of the waterproof layer.
The insulating shaping layer comprises a plurality of shaping wires and insulating materials, the axial direction of the shaping wires is in the same direction as that of the insulating shaping layer, the shaping wires are positioned in the middle of the insulating shaping layer, and the insulating materials are distributed in the space outside the volume of the shaping wires.
The conductive layer is a copper wire;
The waterproof layer comprises a waterproof isolation layer and a moisture absorption layer, the waterproof isolation layer is made of polyethylene, and the moisture absorption layer is a waterproof tape;
The insulating material is polyvinyl chloride added with high-efficiency capsaicin;
the shaping wire is a soft iron wire.
The flexible cable is characterized in that a fixing layer for fixing the end part of the flexible cable and the lightning-protection part body relatively is arranged between the flexible cable and the lightning-protection part body, the fixing layer is sleeved on the end part of the flexible cable, and the side face of the fixing layer is fixedly connected with the lightning-protection part body.
The lightning-arrest portion body includes lightning-arrest part, waterproof insulating layer and oversheath layer, waterproof insulating layer cover is established lightning-arrest part's surface, the oversheath layer cover is established waterproof insulating layer.
The lightning protection component is a spark gap device or a zinc oxide lightning protection device.
The waterproof insulating layer is sequentially sleeved with the waterproof wrapping tape layer, the polyethylene cushion layer and the waterproof isolating layer from inside to outside.
The outer sheath layer is made of polyvinyl chloride added with efficient capsaicin.
Compared with the prior art, the lightning protection voltage equalizer provided by the utility model comprises the following components: the lightning-arrest portion body, flexible cable, first binding post and second binding post, first binding post is connected with lightning-arrest portion body one end through a flexible cable, and lightning-arrest portion body other end is connected with the second binding post through another flexible cable. Through setting up insulating design layer in the flexible cable for the flexible cable can change the shape wantonly, and can maintain the shape of design for a long time, make flexible cable reason line simple, flexible cable fuses rather than surrounding environment more easily, reduces flexible cable by hanging and pulls the possibility of fracture.
Drawings
FIG. 1 is a schematic view of the overall structure of a lightning equalizer for lightning protection according to the present utility model;
FIG. 2 is a cross-sectional view taken along the direction a-b in FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction c-d in FIG. 1;
Fig. 4 is a cross-sectional view taken along the direction e-f in fig. 1.
Reference numerals: 1. a lightning protection part body; 11. a lightning protection component; 12. a waterproof insulating layer; 13. an outer sheath layer; 2. a flexible cable; 20. a fixed layer; 21. a conductive layer; 22. a waterproof layer; 23. an insulating shaping layer; 231. shaping silk; 232. an insulating material; 3. a first connection terminal; 4. and a second connection terminal.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the utility model.
Referring to fig. 1 and 2, which show structural diagrams of the lightning equalizer for lightning protection of the present utility model, the lightning equalizer for lightning protection comprises: the lightning protection part comprises a lightning protection part body 1, a flexible cable 2, a first wiring terminal 3 and a second wiring terminal 4. The first wiring terminal 3 is connected with one end of the lightning protection part body 1 through one flexible cable 2, and the other end of the lightning protection part body 1 is connected with the second wiring terminal 4 through the other flexible cable 2.
Referring to fig. 4, the lightning protection body 1 includes a lightning protection component 11, a waterproof insulation layer 12 and an outer sheath layer 13, wherein the waterproof insulation layer 12 is sleeved on the outer surface of the lightning protection component 11, and the outer sheath layer 13 is sleeved on the waterproof insulation layer 12. The lightning protection component 11 is a spark gap device or a zinc oxide lightning protection device, and is used for conducting the spark gap device or the zinc oxide lightning protection device due to the effect of lightning overvoltage at the moment of lightning strike contact net, and lightning energy is discharged to the ground through the loop. The device is used for indirect equipotential connection between metal facilities in a rail transit system, such as lightning protection grounding of an overhead ground wire, equipotential connection of a lightning protection grounding grid and a system grounding grid and the like, so that stray current is prevented from being transmitted to the outside, and meanwhile, when overvoltage accidents such as external lightning strike and the like occur, the device on the grounding side of the overhead contact system can be instantaneously shorted to be communicated with the system grounding grid, so that potential difference between the device and the system grounding grid is limited. At the moment of lightning contact net, the lightning voltage equalizer is conducted under the action of lightning overvoltage, and the lightning energy is discharged to the ground through the loop. After lightning, the lightning equalizer for lightning protection automatically restores the open circuit state and works normally. The waterproof insulating layer 12 is used for blocking external water from penetrating into the lightning protection component 11, so that the lightning protection component 11 is prevented from failing. The waterproof insulating layer 12 is sequentially sleeved with a waterproof tape layer, a polyethylene cushion layer and a waterproof isolation layer from inside to outside. The outer sheath layer 13 is used for physically protecting the lightning protection component 11, and preventing the mosquito, rat and ant from biting and preventing the external air from entering to cause oxidation of the lightning protection component 11. The outer sheath layer 13 is made of polyvinyl chloride added with high-efficiency capsaicin.
The insulating shaping layer 23 includes a plurality of shaping wires 231 and insulating materials 232, the axial direction of the shaping wires 231 is in the same direction as the axial direction of the insulating shaping layer 23, the shaping wires 231 are positioned in the middle of the insulating shaping layer 23, and the insulating materials 232 are distributed in the space outside the volume of the shaping wires 231. The insulating material 232 is used for preventing mosquito and rat from biting, and the insulating material 232 is polyvinyl chloride added with high-efficiency capsaicin. The primary function of the shaping wire 231 is to make the flexible cable 2 plastic, i.e., the installer can bend the flexible cable 2 at will, the flexible cable 2 can be shaped by the installer, and the flexible cable 2 can maintain the shape shaped by the installer for a long time. Further, as shown in fig. 2, the shaping wire 231 has a loop of shaping wire 231. And a circle of shaping wires 231 encloses a ring-shaped structure, and the shaping wires 231 of the ring-shaped structure also have the function of rat biting, and protect the conductive layer 21 and the waterproof layer 22 inside the flexible cable 2. The lightning equalizer for lightning protection disclosed by the utility model is more durable. Wherein the conductive layer 21 is a copper wire. The waterproof layer 22 comprises a waterproof isolation layer and a moisture absorption layer, wherein the waterproof isolation layer is made of polyethylene, and the moisture absorption layer is a waterproof tape. The shaping wire 231 is a soft or hard wire. The material of the shaping wire 231 can be selected according to the actual situation on site. The hard iron wire can be selected in the case of continuous external force. Usually, a soft iron wire is selected.
In addition, referring to fig. 3, a fixing layer 20 for fixing the end of the flexible cable 2 and the lightning protection body 1 relative to each other is disposed between the flexible cable 2 and the lightning protection body 1, the fixing layer 20 is sleeved on the end of the flexible cable 2, and the side surface of the fixing layer 20 is fixedly connected with the lightning protection body 1. When the flexible cable 2 is installed, the flexible cable 2 is often in a bending state, a relative radial force is arranged between the flexible cable 2 and the lightning-protection part body 1, and in order to prevent the connection point between the flexible cable 2 and the lightning-protection part body 1 from being bent and broken due to the radial force, a fixing layer 20 is arranged between the flexible cable 2 and the lightning-protection part body 1, so that bending and breaking caused by overlarge relative radial force between the flexible cable 2 and the lightning-protection part body 1 are avoided.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A lightning equalizer for lightning protection, comprising: the lightning protection part body, the flexible cable, the first binding post and the second binding post, the first binding post is connected with one end of the lightning protection part body through one flexible cable, the other end of the lightning protection part body is connected with the second binding post through the other flexible cable,
The flexible cable comprises a conductive layer, a waterproof layer and an insulation shaping layer, wherein the waterproof layer is sleeved on the outer surface of the conductive layer, and the insulation shaping layer is sleeved on the outer surface of the waterproof layer.
2. The lightning protection voltage equalizer according to claim 1, wherein the insulating shaping layer comprises a plurality of shaping wires and insulating materials, the axial direction of the plurality of shaping wires is the same as the axial direction of the insulating shaping layer, the plurality of shaping wires are positioned in the middle of the insulating shaping layer, and the insulating materials are distributed in a space outside the volume of the shaping wires.
3. The lightning protection voltage equalizer according to claim 2, wherein the conductive layer is a copper wire;
The waterproof layer comprises a waterproof isolation layer and a moisture absorption layer, the waterproof isolation layer is made of polyethylene, and the moisture absorption layer is a waterproof tape;
The insulating material is polyvinyl chloride added with high-efficiency capsaicin;
the shaping wire is a soft iron wire.
4. The lightning protection lightning equalizer according to claim 1, wherein a fixing layer for fixing the end of the flexible cable and the lightning protection body relative to each other is provided between the flexible cable and the lightning protection body, the fixing layer is sleeved on the end of the flexible cable, and the side surface of the fixing layer is fixedly connected with the lightning protection body.
5. The lightning equalizer for lightning protection according to claim 1, wherein the lightning protection portion body comprises a lightning protection member, a waterproof insulating layer and an outer sheath layer, the waterproof insulating layer is sleeved on the outer surface of the lightning protection member, and the outer sheath layer is sleeved on the waterproof insulating layer.
6. The lightning equalizer for lightning protection according to claim 5, wherein the lightning protection member is a spark gap device or a zinc oxide lightning protection device.
7. The lightning protection voltage equalizer according to claim 5, wherein the waterproof insulating layer is sequentially sleeved with a water blocking tape layer, a polyethylene cushion layer and a waterproof isolation layer from inside to outside.
8. The lightning equalizer for lightning protection according to claim 5, wherein the outer sheath layer is made of polyvinyl chloride to which high-efficiency capsaicin is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322630731.1U CN220821219U (en) | 2023-09-27 | 2023-09-27 | Thunder and lightning equalizer for lightning protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322630731.1U CN220821219U (en) | 2023-09-27 | 2023-09-27 | Thunder and lightning equalizer for lightning protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220821219U true CN220821219U (en) | 2024-04-19 |
Family
ID=90713615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322630731.1U Active CN220821219U (en) | 2023-09-27 | 2023-09-27 | Thunder and lightning equalizer for lightning protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220821219U (en) |
-
2023
- 2023-09-27 CN CN202322630731.1U patent/CN220821219U/en active Active
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