CN209217680U - Lightning protection device used for transmission line - Google Patents
Lightning protection device used for transmission line Download PDFInfo
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- CN209217680U CN209217680U CN201920116946.2U CN201920116946U CN209217680U CN 209217680 U CN209217680 U CN 209217680U CN 201920116946 U CN201920116946 U CN 201920116946U CN 209217680 U CN209217680 U CN 209217680U
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- lightning
- transmission line
- lightning protection
- protection device
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Abstract
The utility model relates to a kind of lightning protection devices used for transmission line, it is related to power transmission protection equipment technical field, aim to solve the problem that its lightning protection structure protection scope is limited, lightning stroke in shaft tower and its neighbouring a certain range can only be guided and be protected, when lightning stroke betides on route, its lightning protection mechanism can not protect it, it includes that lightning protection device is installed on shaft tower, it is equipped with more lightning conducters on the transmission line simultaneously, lightning conducter is arranged in a one-to-one correspondence with transmission line of electricity, lightning conducter is located at right above transmission line of electricity and extending direction is identical as transmission line length direction, multiple fixed devices are connected between lightning conducter and transmission line of electricity, the both ends of lightning conducter are connect with the lightning protection device installed on shaft tower respectively, the utility model can be in lightning stroke other than to shaft tower, lightning protection is carried out to entire transmission line of electricity, avoid lightning stroke Injury, to promote its safety.
Description
Technical field
The utility model relates to power transmission protection equipment technical fields, fill more particularly, to a kind of lightning protection used for transmission line
It sets.
Background technique
Electric line is the basis of electric system, is responsible for the important function of electric system normal operation.Thunder and lightning is one
Kind the Nature electric discharge phenomena, it has huge destructiveness, and thunder and lightning is the key factor for influencing power transmission line safety, especially in the summer
Season first of line fault tripping is occupied, and thunder and lightning is atmospheric events natural phenomena, it is also uncontrollable so far, according to reality
Data statistics is trampled, the amplitude of lightning surge is up to 400kV or so, and amplitude of lightning current is up to 100kA or so, so high amplitude
Considerably beyond the resistance to Lei Shuiping of insulated overhead line in 35kV and distribution system below, if be not subject to Overvoltage Amplitude
Limitation, insulated overhead line can not be just safely operated.Wherein lightning surge is exactly to cause suspended insulated guide wire in distribution system
One of the main reason for lightning-caused breaking and line tripping problem.
A kind of shaft tower lightning protection structure as disclosed in the Chinese patent of Publication No. CN206506261U, including ground lead
One end is connected with lightning conducter, and the other end is connect with ground, and electric discharge burr structure includes the vertical thorn of electric discharge burr, two electric discharge burrs
One, two electric discharge burr of diagonal stabbing stabs two and two electric discharge burr diagonal stabbings three diagonally, and the vertical thorn of electric discharge burr is vertically welded in firm banking
Upper surface, two electric discharge burrs stab diagonally one, two electric discharge burr stab diagonally two and two electric discharge burrs stab diagonally three respectively from up to
Under be successively symmetricly set on the vertical thorn two sides of electric discharge burr, bottom end is welded on the upper surface of firm banking, and firm banking passes through
Fixing bolt is fixed at the top of steel tower.For the utility model by installing electric discharge burr structure on shaft tower top, structure is simple, installs
It is convenient, play the role of lightning protection, lightning-arrest, protection circuit and equipment and avoids lightning stroke.
But above-mentioned technology has the following deficiencies: that its lightning protection structure protection scope is limited, it can only be to shaft tower and its neighbouring
Lightning stroke is guided and is protected in a certain range, and when lightning stroke betides on route, lightning protection mechanism can not protect it.
Utility model content
The purpose of the utility model is to provide a kind of lightning protection devices used for transmission line, can be in lightning stroke in addition to shaft tower
Except, lightning protection is carried out to entire transmission line of electricity, the injury of lightning stroke is avoided, to promote its safety.
The above-mentioned purpose of the utility model has the technical scheme that a kind of lightning protection used for transmission line is protected
Protection unit, including lightning protection device is installed on shaft tower, while more lightning conducters are provided between shaft tower, the lightning conducter with
Transmission line of electricity is arranged in a one-to-one correspondence, and the lightning conducter is located at right above transmission line of electricity and extending direction and transmission line length direction
It is identical, be connected with multiple fixed devices between the lightning conducter and transmission line of electricity, the both ends of the lightning conducter respectively with shaft tower
The lightning protection device of upper installing connects.
Implement above-mentioned technical proposal, in thunderstorm weather, when being struck by lightning near transmission line of electricity, or even when thunder and lightning is hit
When shaft tower or route, the overvoltage that lightning stroke generates can be routed to ground face with electric current and dredged by the lightning protection installed on shaft tower
It leads, the lightning conducter installed right above transmission line of electricity attracts in thunder and lightning on route that will be struck by lightning, and directs it to simultaneously
It on lightning protection device, is dredged, prevents lightning stroke from damaging to entire transmission line of electricity, to promote its safety.
The utility model is further arranged to: the fixed device includes two clips and installs between two clips
Connector.
Implement above-mentioned technical proposal, be set as including two clips by the way that device will be fixed and installed between two clips
Connecting rod, the relative position of lightning protection line and transmission line of electricity can be fixed, and when air quantity is larger, prevent its power transmission line
Road shakes under the action of air-flow, and under the action of connecting rod, the fixed lower section with lightning protection line of transmission line of electricity guarantees defeated
Electric line is in the protection scope of lightning protection line, to promote its safety.
The utility model is further arranged to: being installed on one of them described clip with the opposite side of connector link position
There is attracting thunder needle.
Implement above-mentioned technical proposal, by drawing on a clip with what the opposite position of connecting rope link position was installed
Thunder needle can guide lightning current to unload along ground line to the earth, while can discharge one to aerial when encountering powerful electric current
Portion of electrical current slows down the pressure to earth-current, to promote its lightning protection effect.
The utility model is further arranged to: the connector is set as pure insulation system, and the connector includes by exhausted
Connecting rod made of edge material and the rubber layer wrapped up on the outside of connecting rod.
Implement above-mentioned technical proposal, after thunder and lightning is absorbed by the attracting thunder needle on lightning protection line and fixed device, prevents its thunder and lightning
Voltage and electric current are transferred on transmission line of electricity along connecting rod, transmission line of electricity is damaged, and prevent rainwater from beating connecting rod
It is wet, electric current and voltage are transmitted, to promote its safety.
The utility model is further arranged to: the lightning protection device include head of mast installing arrester and will take shelter from the thunder
The ground lead that device is connect with ground, described ground lead one end are connect with arrester, and the other end is connect with ground.
Implement above-mentioned technical proposal, by head of mast zinc oxide surge arresters and the grounding lead that connect arrester with ground
Line, when being struck by lightning, arrester absorbs thunder and lightning, and is transmitted to ground along ground lead and is dredged, so that it is anti-to promote it
Thunder effect.
The utility model is further arranged to: the arrester and head of mast are attached by bolt.
Work can facilitated by the way that arrester and head of mast to be attached by bolt by implementing above-mentioned technical proposal
Make handling of the personnel when repairing and replacing to arrester, it is easy to operate, fast, to promote its working efficiency.
The utility model is further arranged to: the ground lead bottom is connected with earthing or grounding means, the earthing or grounding means dress
Set below ground, the earthing or grounding means, which includes into, to be from top to bottom gradually reduced and spiral helicine ground fitting and to connect describedly
The link slot that the top center position of part opens up is equipped with conducting wire connector in the link slot.
Implement above-mentioned technical proposal, when staff installs earthing or grounding means, spiral ground fitting energy
It is enough to be quickly pressed into the ground and more with the contact area on ground, ground lead is connected at conducting wire connector, and its
Whole overturning more difficult after installation is complete and exposing, to promote its lightning protection effect.
The utility model is further arranged to: the alarming device connecting with ground lead is equipped on shaft tower.
Implementing above-mentioned technical proposal can be in bar by the alarming device connecting with ground lead installed on shaft tower
It after tower receives lightning stroke, sends warning signal, facilitates staff to search lightning stroke position, can also remind periphery personnel, prevent secondary
Raw disaster.
In conclusion the advantageous effects of the utility model are as follows:
1. in thunderstorm weather, when being struck by lightning near transmission line of electricity, or even when thunder and lightning hits shaft tower or route,
Overvoltage that lightning stroke generates can be routed to ground face with electric current and dredged by the lightning protection installed on shaft tower, transmission line of electricity just on
The lightning conducter just installed attracts in thunder and lightning on route that will be struck by lightning, while directing it on lightning protection device, is dredged
It leads, prevents lightning stroke from damaging to entire transmission line of electricity, to promote its safety；
2. can be incited somebody to action by the way that device will be fixed to be set as the connecting rod for including two clips and installing between two clips
The relative position of lightning protection line and transmission line of electricity is fixed, and when air quantity is larger, prevents its transmission line of electricity in the effect of air-flow
Under shake, under the action of connecting rod, by the fixed lower section with lightning protection line of transmission line of electricity, guarantee that transmission line of electricity is in lightning protection
In the protection scope of line, to promote its safety；
3. spiral ground fitting quickly can be pressed into ground when staff installs earthing or grounding means
Under, and it is more with the contact area on ground, ground lead is connected at conducting wire connector, and it is whole after installation is complete
More difficult overturning and exposing, to promote its lightning protection effect.
Detailed description of the invention
Fig. 1 is the overall structure diagram of lightning protection device used for transmission line provided by the utility model.
Fig. 2 is the overall structure signal that device is fixed in lightning protection device used for transmission line provided by the utility model
Figure.
Fig. 3 is the overall structure signal of earthing or grounding means in lightning protection device used for transmission line provided by the utility model
Figure.
In figure: 1, lightning protection device；11, arrester；12, ground lead；2, lightning conducter；3, fixed device；31, clip；32,
Connector；321, connecting rod；322, rubber layer；33, attracting thunder needle；4, earthing or grounding means；41, fitting；42, link slot；5, it warns
Device.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, it is a kind of lightning protection device used for transmission line disclosed by the utility model, including is installed on shaft tower
Lightning protection device 1, lightning protection device 1 includes in the arrester 11 of head of mast installation and by arrester 11 and the ground lead that connect
12,12 one end of ground lead connect the other end with arrester 11 and connect with ground, passes through spiral shell at the top of arrester 11 and shaft tower
Bolt is attached, and is equipped with more lightning conducters 2 on the transmission line, lightning conducter 2 is arranged in a one-to-one correspondence with transmission line of electricity, and is kept away
Lei Xiang is located at the surface of transmission line of electricity and extending direction is identical as transmission line length, between lightning conducter 2 and transmission line of electricity
It is connected with fixed device 3, fixed device 3 includes the connecting rod 321 for connecting a clip 31 and installing between two clips 31, at it
In attracting thunder needle 33 is installed on a clip 31 with the opposite side of 321 link position of connecting rod, connecting rod 321 be set as it is pure absolutely
Edge structure, pure insulating mechanism include the connecting rod 321 being made of insulating material and the rubber layer wrapped up on the outside of connecting rod 321
322；Its arrester 11 is installed by bolt, and staff is facilitated to repair and dress when replacing to arrester 11
It unloads, it is easy to operate, fast, in thunderstorm weather, when being struck by lightning near transmission line of electricity, or even when thunder and lightning hits shaft tower or line
Lu Shi, the arrester 11 installed on shaft tower absorbs thunder and lightning, and is transmitted to ground along ground lead 12 and is dredged, and transmits electricity
The attracting thunder needle 33 installed on the lightning conducter 2 and anchor ear installed right above route can guide lightning current to unload along ground line to big
Ground, while the pressure to earth-current can be slowed down to one part of current is discharged in the air when encountering powerful electric current, at the same by its
It on guidance to ground lead 12, is dredged, prevents lightning stroke from damaging to entire transmission line of electricity, connecting rod 321 and anchor ear
The relative position of lightning protection line and transmission line of electricity can be fixed, and when air quantity is larger, prevent its transmission line of electricity in air-flow
Under the action of shake, under the action of connecting rod 321, by the fixed lower section with lightning protection line of transmission line of electricity, and its is pure absolutely
Edge mechanism can prevent its thunder and lightning that voltage and electric current are transferred on transmission line of electricity along connecting rod 321, cause to hurt to transmission line of electricity
Evil, and prevent rainwater from drenching connecting rod 321, transmitting electric current and voltage guarantee that transmission line of electricity is in the protection scope of lightning protection line
It is interior, to promote its lightning protection effect.
It is secondary in the presence of occurring since after transmission line of electricity is struck by lightning, the position of lightning stroke is difficult to confirm, and after lightning stroke
The possibility of injury, therefore, as shown in Figure 1, being equipped with the alarming device 5 connecting with ground lead 12 on shaft tower；It can be in bar
It after tower receives lightning stroke, sends warning signal, facilitates staff to search lightning stroke position, can also remind periphery personnel, prevent secondary
Raw disaster.
When ground lead 12 is drawn and installed down to the ground, operation is more troublesome, and is easy to happen
It falls, therefore, as shown in Fig. 2, being connected with earthing or grounding means 4 in the bottom of ground lead 12, base device is included into from top to bottom
It is gradually reduced and for spiral helicine ground fitting 41 and the link slot 42 that is opened up in 41 roof central location of ground fitting, in link slot 42
In be installed with conducting wire connector；When staff installs earthing or grounding means 4, spiral ground fitting 41 can be fast
Speed is pressed into the ground, and more with the contact area on ground, ground lead 12 is connected at conducting wire connector, and its is whole
Body more difficult overturning and exposing after installation is complete, to promote its lightning protection effect.
The course of work (principle): when staff installs earthing or grounding means 4, spiral 41 energy of ground fitting
It is enough to be quickly pressed into the ground and more with the contact area on ground, ground lead 12 is connected at conducting wire connector, and
Its whole overturning more difficult after installation is complete and exposing, and its arrester 11 is installed by bolt, facilitates staff
Handling when repairing and replacing to arrester 11, it is easy to operate, fast, in thunderstorm weather, when attached in transmission line of electricity
It is closely struck by lightning, or even when thunder and lightning hits shaft tower or route, the arrester 11 installed on shaft tower absorbs thunder and lightning, and edge connects
Ground lead 12 is transmitted to ground and is dredged, the attracting thunder needle installed on the lightning conducter 2 and anchor ear installed right above transmission line of electricity
33 can guide lightning current to unload along ground line to the earth, while can discharge a part to aerial when encountering powerful electric current
Electric current slows down the pressure to earth-current, while directing it on ground lead 12, is dredged, and prevents lightning stroke to entire defeated
Electric line damages, and the relative position of lightning protection line and transmission line of electricity can be fixed with anchor ear for connecting rod 321, and
When air quantity is larger, prevent its transmission line of electricity from shaking under the action of air-flow, under the action of connecting rod 321, by power transmission line
The fixed lower section with lightning protection line in road guarantees that transmission line of electricity is in the protection scope of lightning protection line and its pure insulating mechanism can be prevented
Only voltage and electric current are transferred on transmission line of electricity by its thunder and lightning along connecting rod 321, are damaged to transmission line of electricity, and prevent rainwater
Connecting rod 321 is drenched, transmitting electric current and voltage, alarming device 5 can send warning signal after shaft tower receives lightning stroke,
Facilitate staff to search lightning stroke position, can also remind periphery personnel, prevent secondary disaster, to promote its lightning protection effect.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of lightning protection device used for transmission line, it is characterised in that: including being installed with lightning protection device (1) on shaft tower, together
When more lightning conducters (2) are provided between shaft tower, the lightning conducter (2) is arranged in a one-to-one correspondence with transmission line of electricity, described lightning-arrest
Line (2) is located at right above transmission line of electricity and extending direction is identical as transmission line length direction, in the lightning conducter (2) and transmission of electricity
Be connected with multiple fixed devices (3) between route, the both ends of the lightning conducter (2) respectively with the lightning protection device installed on shaft tower
(1) it connects.
2. lightning protection device used for transmission line according to claim 1, it is characterised in that: fixed device (3) packet
The connector (32) for including two clips (31) and being installed between two clips (31).
3. lightning protection device used for transmission line according to claim 2, it is characterised in that: one of them described clip
(31) opposite side on connector (32) link position is installed with attracting thunder needle (33).
4. lightning protection device used for transmission line according to claim 2, it is characterised in that: connector (32) setting
For pure insulation system, the connector (32) includes the connecting rod (321) being made of insulating material and on the outside of connecting rod (321)
The rubber layer (322) of package.
5. lightning protection device used for transmission line according to claim 1, it is characterised in that: lightning protection device (1) packet
Include the arrester (11) installed in head of mast and the ground lead (12) for connecting arrester (11) with ground, the grounding lead
Line (12) one end is connect with arrester (11), and the other end is connect with ground.
6. lightning protection device used for transmission line according to claim 5, it is characterised in that: the arrester (11) and bar
Top of tower is attached by bolt.
7. lightning protection device used for transmission line according to claim 5, it is characterised in that: ground lead (12) bottom
Portion is connected with earthing or grounding means (4), and the earthing or grounding means (4) is installed in below ground, the earthing or grounding means (4) include by up to
Under be gradually reduced and for spiral helicine ground fitting (41) and in the link slot that opens up of top center position of described ground fitting (41)
(42), conducting wire connector (43) are equipped in the link slot (42).
8. lightning protection device used for transmission line according to claim 5, it is characterised in that: be equipped with and ground connection on shaft tower
The alarming device (5) of lead (12) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116946.2U CN209217680U (en) | 2019-01-23 | 2019-01-23 | Lightning protection device used for transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116946.2U CN209217680U (en) | 2019-01-23 | 2019-01-23 | Lightning protection device used for transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209217680U true CN209217680U (en) | 2019-08-06 |
Family
ID=67467552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920116946.2U Active CN209217680U (en) | 2019-01-23 | 2019-01-23 | Lightning protection device used for transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209217680U (en) |
-
2019
- 2019-01-23 CN CN201920116946.2U patent/CN209217680U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lightning protection device for transmission line Effective date of registration: 20211009 Granted publication date: 20190806 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Guofeng Electrical Engineering Co.,Ltd. Registration number: Y2021990000938 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230816 Granted publication date: 20190806 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Guofeng Electrical Engineering Co.,Ltd. Registration number: Y2021990000938 |