CN208835713U - A kind of lightning protection combination unit - Google Patents
A kind of lightning protection combination unit Download PDFInfo
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- CN208835713U CN208835713U CN201821236296.7U CN201821236296U CN208835713U CN 208835713 U CN208835713 U CN 208835713U CN 201821236296 U CN201821236296 U CN 201821236296U CN 208835713 U CN208835713 U CN 208835713U
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- lightning protection
- arrester
- steel tower
- metal electrode
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Abstract
The utility model discloses a kind of lightning protection combination unit, it is connect including one end with steel tower cross-arm (1) and insulator chain (4) that the other end is connect with conducting wire, the arrester (2) that one end is connect with the steel tower cross-arm (1) and the other end is connect with the conducting wire, is embedded in the tower grounding device (5) connecting in soil with steel tower corner.Original single lightning protection device is changed to combined type lightning protection device by lightning protection combination unit, insulator chain, arrester and tower grounding device concur, with complementation, it is preferable the lightning protection effect when coastal alpine region is by the influence of the environment such as salt air corrosion, high temperature, humidity, lightning stroke is smaller on equipment, personal safety influence, and security reliability is higher.
Description
Technical field
The utility model relates to route protection technical fields, combine the unit more particularly to a kind of lightning protection.
Background technique
In coastal alpine region, wind power plant 35kV overhead transmission line is easy to happen lightning stroke trip failure in thunderstorm season, tradition,
Single lightning protection device effect often people not to the utmost when coastal alpine region is influenced by environment such as salt air corrosion, high temperature, humidities
Meaning, lightning stroke influence equipment, personal safety very serious.
Specifically, wind power plant is in coastal alpine region, overhead transmission line part steel tower position is excessively high, and on mountain top, week
It encloses unobstructed, is subject to be struck by lightning；Composite insulator, arrester aging under the operation of the environment such as salt air corrosion, high temperature, humidity are put
Electricity；It is influenced by environment such as salt air corrosion, high temperature, humidities, steel tower is grounded the agings such as band iron, ground stud corrosion, contacts electricity with the earth
It hinders excessive, causes earthing effect poor, lightning current cannot import the earth in time, and aerial drainage not in time, causes unit trip and damage.
It is mesh in conclusion how to efficiently solve the problems such as single lightning protection device effect in coastal alpine region is poor
Preceding those skilled in the art's urgent problem.
Utility model content
The purpose of the utility model is to provide a kind of lightning protection combination unit, lightning protection combination unit efficiently solves coastal
The problems such as single lightning protection device effect in alpine region is poor.
In order to solve the above technical problems, the utility model provides the following technical solutions:
A kind of lightning protection combination unit, connect including one end with steel tower cross-arm and insulator chain that the other end is connect with conducting wire,
One end is connect with the steel tower cross-arm and the other end is connect with the conducting wire arrester is embedded in soil and connect with steel tower corner
Tower grounding device.
Preferably, the tower grounding device include the soil pretreatment oxidant layer for being laid in soil bottom of trench, be laid in it is described
Above soil pretreatment oxidant layer and the furrow bank of the groove on the first compound backfill bed of material, be set to the described first compound backfill
Metal electrode device on the bed of material, the second compound backfill bed of material being laid on the metal electrode device, described second is compound
It is filled with clay on the backfill bed of material, the metal electrode device is connect with the steel tower.
Preferably, the metal electrode device includes several metal electrode units being connected in series, the metal electrode
Unit includes cascading water ring and the electrode stem that connect with the cascading water ring, and the electrode stem is connect with the steel tower, the cascading water ring
It is arranged along the vertical direction.
Preferably, each edge of the steel tower is respectively connected with the metal electrode device.
Preferably, the arrester be Zinc-Oxide Arrester, the arrester have disconnector, described disconnector one end with
The electric wire connection, the other end are connect with lightning arrester body.
Preferably, the insulator in the insulator chain is glass insulator.
Lightning protection combination unit provided by the utility model, including insulator chain, arrester, tower grounding device, insulation
One end of substring is connect with steel tower cross-arm, and the other end is connect with conducting wire.One end of arrester is connect with steel tower cross-arm, and another
End is connect with conducting wire.Tower grounding device is embedded in soil, is connect with steel tower corner.
Original single lightning protection device is changed to combined type lightning protection dress by lightning protection combination unit provided by the utility model
It sets, insulator chain, arrester and tower grounding device concur, and have complementation, even if meeting in coastal alpine region
Lightning protection effect is also preferable when being influenced by environment such as salt air corrosion, high temperature, humidities, and lightning stroke influences smaller, peace to equipment, personal safety
Full reliability is higher.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
The structural schematic diagram that Fig. 1 combines the unit for lightning protection provided by specific embodiment a kind of in the utility model；
Fig. 2 is the structural schematic diagram of insulator chain in Fig. 1；
Fig. 3 is the first way that shaft tower Special grounding device is connect with four column foots of line steel tower；
Fig. 4 is the second way that shaft tower Special grounding device is connect with four column foots of line steel tower；
Fig. 5 is the third mode that shaft tower Special grounding device is connect with four column foots of line steel tower；
Fig. 6 is the 4th kind of mode that shaft tower Special grounding device is connect with four column foots of line steel tower.
It is marked in attached drawing as follows:
1- steel tower cross-arm, 2- arrester, 3- disconnector, 4- insulator chain, 5- tower grounding device.
Specific embodiment
The core of the utility model is to provide a kind of lightning protection combination unit, and lightning protection combination unit efficiently solves coastal
The problems such as single lightning protection device effect in alpine region is poor.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 6 is please referred to, Fig. 1 is lightning protection combination unit provided by specific embodiment a kind of in the utility model
Structural schematic diagram；Fig. 2 is the structural schematic diagram of insulator chain in Fig. 1；Fig. 3 is shaft tower Special grounding device and line steel tower four
The first way of a column foot connection；Fig. 4 is second of side that shaft tower Special grounding device is connect with four column foots of line steel tower
Formula；Fig. 5 is the third mode that shaft tower Special grounding device is connect with four column foots of line steel tower；Fig. 6 is shaft tower Special grounding
The 4th kind of mode that device is connect with four column foots of line steel tower.
In a specific embodiment, lightning protection provided by the utility model combination unit, including insulator chain 4, keep away
One end of thunder device 2, tower grounding device 5, insulator chain 4 is connect with steel tower cross-arm 1, and the other end is connect with conducting wire.Arrester 2
One end connect with steel tower cross-arm 1, and the other end is connect with conducting wire.Tower grounding device 5 is embedded in soil, is connected with steel tower corner
It connects.
Original single lightning protection device is changed to combined type lightning protection dress by lightning protection combination unit provided by the utility model
It sets, insulator chain 4, arrester 2 and tower grounding device 5 concur, and have complementation, even if in coastal alpine region
Lightning protection effect is also preferable when influencing by environment such as salt air corrosion, high temperature, humidities, and lightning stroke is smaller on equipment, personal safety influence,
Security reliability is higher.
Above-mentioned lightning protection combination unit is only a kind of preferred embodiment, is specifically not limited thereto, on this basis can be according to reality
Border, which needs to make to have, targetedly to be adjusted, to obtain different embodiments, tower grounding device 5 includes soil pretreatment
Oxidant layer, the first compound backfill bed of material, metal electrode device, the second compound backfill bed of material, soil pretreatment oxidant layer are laid in soil
Bottom of trench, the first compound backfill bed of material are laid in above soil pretreatment oxidant layer on the furrow bank of groove, and metal electrode device is arranged
In on the first compound backfill bed of material, the second compound backfill bed of material is laid on metal electrode device, on the second compound backfill bed of material
It is filled with clay, metal electrode device is connect with steel tower.
5 working principle of tower grounding device is: soil pretreatment agent contains fast filming, moisturizing and enlarged surface tension etc.
Soil surface can be processed into infiltration lane rapidly and can lock moisture by the substance of performance.Enhance soil and first compound simultaneously
Bed of material binding force is backfilled, dense conductive film is formed, increases contact area, enhances cascading water ability.The second compound backfill bed of material can be tight
Close package electrode unit reduces contact resistance, delays the corrosion of metallic object；Composite material in metal electrode device can be to surrounding
Soil in discharge conductive ion, supplement the ion concentration in surrounding soil, and can over time, be gradually expanded around
The conductive layer of soil persistently reduces the resistivity of soil.Lightning current or fault current pass through downlead arrival metal electrode unit
Afterwards, even if lightning current or fault current are transmitted to first compound time by second through the tight electrode unit compound backfill bed of material
Packing layer, then by lightning current or fault current by the conductive film bleed off that is formed between the first compound backfill bed of material and soil to connecing
In soil around ground body.Tower grounding device 5 is shaft tower Special grounding device, and the excessive steel tower of overhead transmission line ground resistance increases
Add tower grounding device 5, reduce ground resistance, making steel tower, current by pass is more unobstructed over the ground, steel tower by when being struck by lightning faster
Lightning current is leaked into the earth, avoid line tripping and equipment damage.
On the basis of above-mentioned specific embodiment, those skilled in the art can be according to the difference of specific occasion, to anti-
Thunder combination unit carries out several changes, and metal electrode device includes the metal electrode unit that several are connected in series, metal electrode
Unit includes cascading water ring and electrode stem,
Electrode stem is connect with cascading water ring, and electrode stem is connect with steel tower, and cascading water ring is arranged along the vertical direction, and structure is simple, easily
In connection, cascading water ring keeps earthed system safer and more reliable.
Obviously, under the guidance of this thought, those skilled in the art can be according to the difference of specific occasion to above-mentioned
Specific embodiment carries out several changes, and the link position of metal electrode device is unrestricted, and each edge of steel tower can be with
It is respectively connected with metal electrode device, easy to connect, lightning protection effect is preferable；Metal electrode device can also be connected in any corner,
Can be connection one, also can connect it is multiple, specific connection type, quantity, position can depending on practical situations,
It is all within the protection scope of the present utility model.
It is important to note that lightning protection combination unit provided by the utility model is not intended to be limited to such situation,
Arrester 2 is Zinc-Oxide Arrester, and arrester 2 has disconnector 3, and 3 one end of disconnector connects with electric wire, the other end and arrester
The connection of 2 ontologies.Increased arrester 2 has disconnector 3, in 2 failure of arrester, disconnects 2 lead of arrester and system, with
Removal system sustained fault, and a kind of device of the visible mark to the arrester 2 that is out of order.Disconnector 3 is without disengagement failure electricity
The ability of stream, thus it is different surely prevent arrester 2 explode.
Lightning protection combination unit provided by the utility model, in the immovable situation of other components, in insulator chain 4
Insulator is glass insulator, will not aging corrosion, service life is longer, and use is more reliable.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. a kind of lightning protection combination unit, which is characterized in that connect including one end with steel tower cross-arm (1) and the other end is connect with conducting wire
Insulator chain (4), the arrester (2) that one end is connect with the steel tower cross-arm (1) and the other end is connect with the conducting wire, be embedded in
The tower grounding device (5) being connect in soil with steel tower corner.
2. lightning protection combination unit according to claim 1, which is characterized in that the tower grounding device (5) includes laying
In the soil pretreatment oxidant layer of soil bottom of trench, be laid in it is first multiple above the soil pretreatment oxidant layer and on the furrow bank of groove
It closes the backfill bed of material, the metal electrode device being set on the described first compound backfill bed of material, be laid in the metal electrode device
On the second compound backfill bed of material, clay, the metal electrode device and the iron are filled on the second compound backfill bed of material
Tower connection.
3. lightning protection combination unit according to claim 2, which is characterized in that the metal electrode device includes several strings
Join the metal electrode unit of connection, the metal electrode unit includes cascading water ring and the electrode stem that connect with the cascading water ring, institute
It states electrode stem to connect with the steel tower, the cascading water ring is arranged along the vertical direction.
4. lightning protection combination unit according to claim 3, which is characterized in that each edge of the steel tower is respectively connected with
The metal electrode device.
5. lightning protection combination unit according to claim 3, which is characterized in that the arrester (2) is Zinc-Oxide Arrester,
The arrester (2) has disconnector (3), and described disconnector (3) one end connects with electric wire, the other end and arrester (2) ontology
Connection.
6. the lightning protection according to claim 3 or 5 combines the unit, which is characterized in that the insulator in the insulator chain (4)
For glass insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236296.7U CN208835713U (en) | 2018-08-01 | 2018-08-01 | A kind of lightning protection combination unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236296.7U CN208835713U (en) | 2018-08-01 | 2018-08-01 | A kind of lightning protection combination unit |
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| Publication Number | Publication Date |
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| CN208835713U true CN208835713U (en) | 2019-05-07 |
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| CN201821236296.7U Active CN208835713U (en) | 2018-08-01 | 2018-08-01 | A kind of lightning protection combination unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004615A (en) * | 2018-08-01 | 2018-12-14 | 华润电力风能（阳江）有限公司 | A kind of lightning protection combination unit |
-
2018
- 2018-08-01 CN CN201821236296.7U patent/CN208835713U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004615A (en) * | 2018-08-01 | 2018-12-14 | 华润电力风能（阳江）有限公司 | A kind of lightning protection combination unit |
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