CN207909615U - A kind of deterioration can show, can charged for replacement core arrester - Google Patents
A kind of deterioration can show, can charged for replacement core arrester Download PDFInfo
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- CN207909615U CN207909615U CN201820242570.5U CN201820242570U CN207909615U CN 207909615 U CN207909615 U CN 207909615U CN 201820242570 U CN201820242570 U CN 201820242570U CN 207909615 U CN207909615 U CN 207909615U
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- arrester
- accommodating cavity
- sealed insulation
- end cover
- insulation housing
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Abstract
A kind of deterioration can show, can charged for replacement core arrester, including arrester sealed insulation housing, mandrel component, thermal explosion disconnector, end cover；The arrester sealed insulation housing is cylindrical member, its shaft core position is equipped with the columnar accommodating cavity for accommodating mandrel component, thermal explosion disconnector, one end of the accommodating cavity is opening portion, the arrester sealed insulation housing is equipped with insulator pin away from one end of accommodating cavity, and insulating sheath is enclosed in the connecting pin of insulator pin and arrester sealed insulation housing；After the mandrel component is put into accommodating cavity, one end is detachably connected with the bottom of accommodating cavity and is connected with insulator pin, the other end of mandrel component is connect with thermal explosion disconnector, and end cover installation is covered in opening portion one end of arrester sealed insulation housing and keeps out in thermal explosion disconnector upper limit coremaking rod assembly, the movement of thermal explosion disconnector in the axial direction.Advantage is, can charged for replacement lightning arrester core body, save power off time and expense, it is detection, easy to maintain.
Description
Technical field
The utility model is related to grid equipment technical field, specially a kind of deterioration can show, can charged for replacement core keep away
Thunder device.
Background technology
Conventional arrester is to use that varistor valve is first made as core, then core is directly born against in silicon rubber
Or the manufacturing process in insulator, arrester electrode is exposed to the atmosphere, easy pollution flashover, and is unfavorable for the development side of insulating taiwan area
To, while there is also following inconvenience：
1) valve block damage occurs for lightning arrester core body, and detection difficulty is larger, it is difficult to be found, even if being detected, because not
It can do over again, cause to waste.
2) for product during normal operation, detection is inconvenient, and maintenance cost is very high.
3) a certain component of product goes wrong, it is necessary to which whole replacement of products can not repair, and cost is very high, while also unfavorable
In accident analysis.
4) arrester checks, the necessary power failure operation of replacement, influence normally to produce, live.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts, provide a kind of deterioration can show, can charged for replacement
The top and the bottom electrode of the arrester of core, arrester is insulation outlet, and bottom carries sealing cover, can prevent internal contamination, work as oxygen
Change the aging of zinc valve block core to a certain extent, sealing cover is washed open by thermal explosion disconnector, and arrester is disconnected with power grid and being electrically connected, and is kept away
Exempt to cause singlephase earth fault because of arrester internal breakdown, meanwhile, arrester sealing cover, which flicks, provides apparent deterioration prompt, convenient
Track walker has found fault point in time, and lightning arrester core body is only needed to change under charged condition.
The utility model is achieved through the following technical solutions：
A kind of deterioration can show, can charged for replacement core arrester, including arrester sealed insulation housing, mandrel component,
Thermal explosion disconnector, end cover；The arrester sealed insulation housing is cylindrical member, and shaft core position is equipped with columnar be used for
The accommodating cavity of mandrel component, thermal explosion disconnector is accommodated, one end of the accommodating cavity is opening portion, and arrester sealing is exhausted
Edge housing is equipped with insulator pin away from one end of accommodating cavity, is wrapped up in the connecting pin of insulator pin and arrester sealed insulation housing
There is insulating sheath；After the mandrel component is put into accommodating cavity, the bottom of one end and accommodating cavity be detachably connected and with insulation
Lead is connected, and the other end of mandrel component is connect with thermal explosion disconnector, and end cover installation is covered in arrester sealing
It opening portion one end of insulating coating and keeps out in thermal explosion disconnector upper limit coremaking rod assembly, the shifting of thermal explosion disconnector in the axial direction
Dynamic, the outside of the end cover is connect with thermal explosion disconnector, mandrel component successively by lead-in conductor, the sealed end
Lid is equipped with ground insulation annealed copper wire away from one end of arrester sealed insulation housing.
In the case where arrester sealed insulation housing is motionless, it can charge at any time and extract mandrel component, to arrester core
Parameter, the performance of body are detected or replace, and easy to operate, maintenance cost is relatively low, and avoiding present arrester must have a power failure
In the case of integral replacing the drawbacks of；Thermal explosion disconnector is used in series with non-linear resistor column core, when arrester normal operation
When, lightning arrester leakance is very small, and thermal explosion disconnector ejection mechanism will not act；When arrester aging generates work to a certain extent
When frequency leakage current reaches certain numerical value, the action of thermal explosion disconnector pushes end cover to open, make the mandrel component of aging arrester with
Circuit electrically disconnects；Meanwhile the end cover flicked provides apparent fault identification label, checks that appearance just can determine whether operation shape
State reduces trouble shooting time.
As the improvement of said program, the mandrel component includes sequentially connected top electrode block, non-linear resistor
Column, lower electrode block；The top electrode block is equipped with threaded hole away from non-linear resistor column, is equipped in the accommodating cavity bottom
With the thread head of threaded hole cooperation, the mandrel component is connected by the threaded hole of top electrode block and the thread head of accommodating cavity bottom
It connects, mandrel component is made to be mounted in the accommodating cavity of arrester sealed insulation housing.
As the improvement of said program, the non-linear resistor column passes through Du by multiple zinc oxide varistor valves
The solidification of Lipton layer is integrated.
As the improvement of said program, the end face of the end cover is equipped with holddown spring, at the end of holddown spring
Portion is equipped with compress gasket, when the end cover lid is closed outside arrester sealed insulation on set, the clamping pad on holddown spring
Piece is kept out on the thermal explosion disconnector.
As the improvement of said program, sealing ring is equipped between the end cover and arrester sealed insulation housing.
As the improvement of said program, it is in lid conjunction in the end cover or flicks state as fault identification mark
Note.
As the improvement of said program, described ground insulation annealed copper wire one end is connect with end cover, the other end and bar
Tower cross-arm connects；The state that flicks is in the end cover to mark as fault identification.
A kind of deterioration can show, can charged for replacement core arrester repair method, be as follows：
Arrester is delivered to power grid setting position after ground is completed and carries out installation fixation by step 1.；
Step 2. arrester works normally, and is needed replacing when the zinc oxide varistor valve of internal core rod component is aged to
Degree when, generate power frequency leakage current increase, make thermal explosion disconnector connect with mandrel component act, promotion end cover beat
It opens, the mandrel component of aging is made electrically to be disconnected with circuit；
Whether step 3. track walker need to only open when patrolling circuit in the end cover of ground observation arrester
Judge the operating status of arrester, if end cover for lightning arrester flicks, arrester is in malfunction, otherwise, normal work；
Step 4. can directly utilize the plug of insulating bar charged for replacement arrester for failure arrester, maintenance personal
Then component covers end cover and repair can be completed.
The utility model has the advantages that：
1. the upper and lower electrode of arrester is high with lead wire insulation degree, meet insulating taiwan area technological development direction.
2. can charged for replacement lightning arrester core body, save power off time and expense, it is detection, easy to maintain.
3. applied widely, it is applicable in and any high equipment or cable head protection is required to electrical safety distance, dielectric level.
4. having the function of that deterioration can be shown.When non-linear lightning protection component breaks down, end cover can be automatically springed open, simultaneously
As soon as providing a specific label, therefore check that appearance can determine whether operating status, reduces trouble shooting time.
5. having failure detachment function.When lightning arrester core body breaks down, the end cover flicked makes arrester and line
Road is electrically detached from, and lightning arrester core body is avoided to puncture, and causes permanent singlephase earth fault.
Description of the drawings
Fig. 1 be the utility model a kind of deterioration can show, can charged for replacement core arrester structural schematic diagram.
Reference sign：Arrester sealed insulation housing 1, thermal explosion disconnector 3, end cover 4, houses mandrel component 2
Chamber 5, insulator pin 6, insulating sheath 7, top electrode block 8, non-linear resistor column 9, lower electrode block 10, threaded hole 11, thread head
12, holddown spring 13, compress gasket 14, sealing ring 15, opening portion 16, ground insulation annealed copper wire 17, arrester full skirt 18.
Specific implementation mode
Embodiment 1
As shown in Figure 1, a kind of deterioration can show, can charged for replacement core arrester, including arrester sealed insulation housing
1, mandrel component 2, thermal explosion disconnector 3, end cover 4；The arrester sealed insulation housing 1 is cylindrical member, axle center position
The columnar accommodating cavity 5 for accommodating mandrel component 2, thermal explosion disconnector 3 is installed, one end of the accommodating cavity 5 is opening
Portion 16, the arrester sealed insulation housing 1 away from accommodating cavity 5 one end be equipped with insulator pin 6, insulator pin 6 with keep away
The connecting pin of thunder device sealed insulation housing 1 is enclosed with insulating sheath 7；After the mandrel component 2 is put into accommodating cavity 5, one end
It is detachably connected with the bottom of accommodating cavity 5 and is connected with insulator pin 6, the other end and the thermal explosion disconnector 3 of mandrel component 2 connect
It connects, the end cover 4 installation is covered in 16 one end of opening portion of arrester sealed insulation housing 1 and keeps out and is detached from thermal explosion
3 upper limit coremaking rod assembly 2 of device, the movement of thermal explosion disconnector 3 in the axial direction, the outside of the end cover 4 passes through introducing
Conducting wire is connect with thermal explosion disconnector 3, mandrel component 2 successively, and the end cover 4 is away from arrester sealed insulation housing 1
One end is equipped with ground insulation annealed copper wire 17.The mandrel component 2 includes sequentially connected top electrode block 8, non-linear resistor
Column 9, lower electrode block 10；The top electrode block 8 is equipped with threaded hole 11 away from non-linear resistor column 9, in the accommodating cavity 5
Bottom is equipped with the thread head 12 that coordinate with threaded hole 11, the mandrel component 2 by the threaded hole 11 of top electrode block 8 with house
The thread head 12 of 5 bottom of chamber connects, and mandrel component 2 is made to be mounted in the accommodating cavity 5 of arrester sealed insulation housing 1.Described
Non-linear resistor column 9 is integrated by multiple zinc oxide varistor valves by Lipton layer solidification of shutting out.The end cover 4
End face be equipped with holddown spring 13, the end of holddown spring 13 be equipped with compress gasket 14, the end cover 4 lid close exists
When on arrester sealed insulation housing 1, the compress gasket 14 on holddown spring 13 is kept out on the thermal explosion disconnector 3.Institute
Sealing ring 15 is equipped between the end cover 4 stated and arrester sealed insulation housing 1.Described 17 one end of ground insulation annealed copper wire
It is connect with end cover 4, the other end is connect with grid support；The state that flicks is in the end cover 4 as failure to know
It does not mark.The periphery of the arrester sealed insulation housing 1 is equipped with arrester full skirt 18, outside the arrester sealed insulation
Set 1 is one-pass molding part with insulating sheath 7.
Embodiment 2
A kind of deterioration described in embodiment 1 can show, can charged for replacement core arrester repair method, specific steps are such as
Under：
Arrester is delivered to power grid setting position after ground is completed and carries out installation fixation by step 1.；
Step 2. arrester works normally, when the zinc oxide varistor valve of internal core rod component 2 is aged to needs more
When the degree changed, generates power frequency leakage current and increase, the thermal explosion disconnector 3 being connect with mandrel component 2 is made to act, push end cover
4 open, and the mandrel component 2 of aging is made electrically to be disconnected with circuit；
Whether step 3. track walker need to only open just when patrolling circuit in the end cover 4 of ground observation arrester
It can determine whether the operating status of arrester, if end cover for lightning arrester flicks, arrester is in malfunction, otherwise, normal work；
Step 4. can directly utilize the plug of insulating bar charged for replacement arrester for failure arrester, maintenance personal
Then component 2 covers end cover 4 and repair can be completed.
Above-listed detailed description is illustrating for the utility model possible embodiments, which is not to limit
The scope of the claims of the utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case
In the scope of the claims.
Claims (7)
1. a kind of deterioration can show, can charged for replacement core arrester, which is characterized in that including arrester sealed insulation housing,
Mandrel component, thermal explosion disconnector, end cover；The arrester sealed insulation housing is cylindrical member, and shaft core position is equipped with
One end of the columnar accommodating cavity for accommodating mandrel component, thermal explosion disconnector, the accommodating cavity is opening portion, and described keeps away
Thunder device sealed insulation housing is equipped with insulator pin away from one end of accommodating cavity, in insulator pin and arrester sealed insulation housing
Connecting pin is enclosed with insulating sheath；After the mandrel component is put into accommodating cavity, the bottom of one end and accommodating cavity detachably connects
It connects and is connected with insulator pin, the other end of mandrel component is connect with thermal explosion disconnector, and end cover installation is covered in
It opening portion one end of arrester sealed insulation housing and keeps out in thermal explosion disconnector upper limit coremaking rod assembly, thermal explosion disconnector in axis
The outside of movement to direction, the end cover is connect with thermal explosion disconnector, mandrel component successively by lead-in conductor, institute
The end cover stated is equipped with ground insulation annealed copper wire away from one end of arrester sealed insulation housing.
2. a kind of deterioration according to claim 1 can show, can charged for replacement core arrester, which is characterized in that it is described
Mandrel component include sequentially connected top electrode block, non-linear resistor column, lower electrode block；The top electrode block is away from non-
Linear resistance piece column is equipped with threaded hole, and the thread head coordinated with threaded hole, the plug are equipped in the accommodating cavity bottom
Component is connect by the threaded hole of top electrode block with the thread head of accommodating cavity bottom, so that mandrel component is mounted on arrester sealing exhausted
In the accommodating cavity of edge housing.
3. a kind of deterioration according to claim 2 can show, can charged for replacement core arrester, which is characterized in that it is described
Non-linear resistor column by multiple zinc oxide varistor valves by shut out Lipton layer solidification be integrated.
4. a kind of deterioration according to claim 1 can show, can charged for replacement core arrester, which is characterized in that it is described
End cover end face be equipped with holddown spring, the end of holddown spring be equipped with compress gasket, the end cover lid
When closing outside arrester sealed insulation on set, the compress gasket on holddown spring is kept out on the thermal explosion disconnector.
5. a kind of deterioration according to claim 1 can show, can charged for replacement core arrester, which is characterized in that it is described
End cover and arrester sealed insulation housing between be equipped with sealing ring.
6. a kind of deterioration according to claim 1 can show, can charged for replacement core arrester, which is characterized in that it is described
Ground insulation annealed copper wire one end connect with end cover, the other end is connect with cross arm of tower；It is in the end cover
State is flicked to mark as fault identification.
7. a kind of deterioration according to any one of claims 1 to 6 can show, can charged for replacement core arrester, feature
Be, the periphery of the arrester sealed insulation housing is equipped with arrester full skirt, the arrester sealed insulation housing with
Insulating sheath is one-pass molding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820242570.5U CN207909615U (en) | 2018-02-08 | 2018-02-08 | A kind of deterioration can show, can charged for replacement core arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820242570.5U CN207909615U (en) | 2018-02-08 | 2018-02-08 | A kind of deterioration can show, can charged for replacement core arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909615U true CN207909615U (en) | 2018-09-25 |
Family
ID=63560842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820242570.5U Active CN207909615U (en) | 2018-02-08 | 2018-02-08 | A kind of deterioration can show, can charged for replacement core arrester |
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| Country | Link |
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| CN (1) | CN207909615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198675A (en) * | 2018-02-08 | 2018-06-22 | 广州中光电气科技有限公司 | A kind of deterioration can show, can charged for replacement core arrester and its repair method |
| CN114974766A (en) * | 2022-05-31 | 2022-08-30 | 国网福建省电力有限公司电力科学研究院 | Gapless lightning arrester capable of sensing fault and working method thereof |
-
2018
- 2018-02-08 CN CN201820242570.5U patent/CN207909615U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108198675A (en) * | 2018-02-08 | 2018-06-22 | 广州中光电气科技有限公司 | A kind of deterioration can show, can charged for replacement core arrester and its repair method |
| CN114974766A (en) * | 2022-05-31 | 2022-08-30 | 国网福建省电力有限公司电力科学研究院 | Gapless lightning arrester capable of sensing fault and working method thereof |
| CN114974766B (en) * | 2022-05-31 | 2024-01-23 | 国网福建省电力有限公司电力科学研究院 | Gapless lightning arrester capable of sensing faults and working method thereof |
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