CN106898447A - A kind of arrester device - Google Patents
A kind of arrester device Download PDFInfo
- Publication number
- CN106898447A CN106898447A CN201510965419.5A CN201510965419A CN106898447A CN 106898447 A CN106898447 A CN 106898447A CN 201510965419 A CN201510965419 A CN 201510965419A CN 106898447 A CN106898447 A CN 106898447A
- Authority
- CN
- China
- Prior art keywords
- resistor disc
- support column
- cushion block
- post
- column fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
- H01C1/014—Mounting; Supporting the resistor being suspended between and being supported by two supporting sections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C13/00—Resistors not provided for elsewhere
- H01C13/02—Structural combinations of resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
The present invention relates to a kind of arrester device, it is provided with support column, the support column includes resistor disc, two support column fixed mechanisms and the two end cushion blocks that series connection is stacked together, the resistor disc forms a resistor disc post, resistor disc post is vertically placed, resistor disc post is arranged between two support column fixed mechanisms, the end face of cushion block is held to be fit together with the end face of the resistor disc, the side surface of the end cushion block is provided with a flange, and the outer surface of the resistor disc post is provided with a heat-shrink tube placed vertically.The present invention is rational in infrastructure; resistor disc is packaged into resistor disc post by the structure by heat-shrink tube with end cushion block; this not only increases the insulating properties of stem; preferably protect resistor disc; also simplify the assembly technology of stem; isolation and protective effect are served to resistor disc simultaneously, is conducive to delaying the aging of resistor disc.Stability of the present invention is strong, improves operating efficiency.
Description
Technical field
The invention belongs to manufacturing technology field, and in particular to a kind of arrester device.
Background technology
The effect of arrester is over-voltage to protect electrical equipment.In the exactly gapless of China's production and application in advance
Zinc oxide thunder device, operative practice shows that it has the shortcomings of damage rate of explosion is high, and service life is short.Trace it to its cause, transient overvoltage
Ability to bear difference is its deadly defect.And series gap zinc oxide arrester still has the protective value of zero-clearance zinc oxide lightning arrester
Advantage, while the characteristics of having transient overvoltage ability to bear strong, is a kind of product preferably maximized favourable factors and minimized unfavourable ones.Because current railway is high
Fast EMUs traffic arrester is both needed to import, does not domesticize also, and rail traffic vehicles arrester is in resistor disc high gradient research side
Also there are many shortcomings in face, in terms of leakage conductor exploitation, the lightning surge research to circuit is not deep enough, and circuit is kept away
Selection, arrester energy absorption of thunder device rated value etc. require study, and the improper selection of some parameters may make arrester too stupid
Weight, is unfavorable for that actual installation is used.The discreteness of the degradation speed of Zinc-Oxide Arrester, and thunder and lightning, switching overvoltage, harmonic wave,
The randomness of running environment etc., all decides the reliability of the safe operation of Zinc-Oxide Arrester.Existing core column structure directly will
Resistor disc is mutually stacked, and resistor disc complex process concentricity in installation process is difficult to ensure that, during arrester use easily
There is resistor disc with respect to the phenomenon of the changing of the relative positions, reduce the contact area between resistor disc, have impact on the performance of arrester.
The content of the invention
The present invention overcomes the deficiencies in the prior art, it is proposed that a kind of arrester device, and the core column structure passes through heat-shrink tube
Resistor disc is packaged into resistor disc post with end cushion block, this not only increases the insulating properties of stem, preferably protects resistor disc,
Also simplify the assembly technology of stem, while serving resistor disc isolation and protective effect, be conducive to delaying the old of resistor disc
Change.
The technical scheme is that：A kind of arrester device, is provided with support column, and the support column is overlayed including series connection
Resistor disc together, two support column fixed mechanisms and two end cushion blocks, the resistor disc form a resistor disc post, resistor disc
Post is vertically placed, and resistor disc post is arranged between two support column fixed mechanisms, holds the end face of cushion block and the end of the resistor disc
Face fits together, and the side surface of the end cushion block is provided with a flange, and the outer surface of the resistor disc post is provided with one and erects
The straight heat-shrink tube placed, at end, the upper end of cushion block is sequentially provided with support column fixed mechanism locating pad, high-pressure side decompression steel pad, described
Support column fixed mechanism, spring and conductive strips, support column fixed mechanism are arranged on the outside of spring, support column fixed mechanism positioning
Pad is arranged between support column fixed mechanism and end cushion block, and at end, the lower end of cushion block is sequentially installed with the support column and fixes machine
Structure, resistor disc detent mechanism and drier mechanism, drier mechanism are arranged on the inside of resistor disc detent mechanism.
The external shell of the support column is provided with passage.
The end cushion block is aluminum alloy material.
The resistor disc is zinc oxide material.
The material of conductive strips is tin bronze.
Drier is in-house to be provided with drier.
The beneficial effects of the invention are as follows：
The present invention is rational in infrastructure, and resistor disc is packaged into resistor disc post by the structure by heat-shrink tube with end cushion block, and this not only increases
The strong insulating properties of stem, preferably protect resistor disc, also simplify the assembly technology of stem, while being played to resistor disc
Isolation and protective effect, are conducive to delaying the aging of resistor disc.Stability of the present invention is strong, improves operating efficiency.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the schematic view of the mounting position of stem in arrester of the present invention.
Fig. 2 is core column structure schematic diagram of the present invention.
In figure：1st, high-pressure side；2nd, stem；3rd, composite sheath；4th, low-pressure end；5th, heat-shrink tube；6th, base；7th, spring；8th, lead
Electric band；9th, support column fixed mechanism；10th, high-pressure side decompression steel pad；11st, support column fixed mechanism locating pad；12nd, cushion block is held；13、
Resistor disc；14th, resistor disc detent mechanism；15th, drier mechanism；16th, flange；17th, support column.
Specific embodiment
Referring to shown in Fig. 1 and Fig. 2, stem of the present invention 2 is arranged in composite sheath 3, and branch is provided with composite sheath 3
Dagger 17, the end points up and down of composite sheath 3 is provided with high-pressure side 1 and low-pressure end 4, and stem 2 is arranged on base 6, and support column 17 is wrapped
Include 13 special zinc oxide resistance sheets 13 that series connection is stacked.Resistor disc 13 under normal operating voltage into high-impedance state,
Equivalent to open circuit；Into low resistive state under overvoltage, equivalent to short circuit.The transient switching of resistor disc 13 release electricity under overvoltage environment
Can, it can automatically recover high-impedance state again after overvoltage disappears.The resistor disc 13 of upper and lower ends is each to that should have an end cushion block 12,
It is aluminum alloy material, there is intensity and good electric conductivity higher, and the end end face of cushion block 12 is fully fitted with the end face of resistor disc 13.
On the one hand hold the design of the surfaces lips 16 of cushion block 12 has positioning action, the fixed resistance piece axial location after pyrocondensation technique；
On the other hand, radial direction of the stem 2 inside lightning arrester insulating cylinder is rocked under mitigating bad working environments.
Heat-shrink tube 5 is tightly coated on the side surface of resistor disc 13 and end cushion block 12 after pyrocondensation technique so that originally relative
Scattered resistor disc 13 turns into a resistor disc post for monoblock type, and the relative position significantly reduced between resistor disc 13 is wrong
It is dynamic, it is ensured that the contact area between resistor disc 13；Simplify assembly technology；Improve the insulating properties of stem 2；Simultaneously to resistance
Piece 13 serves isolation and protective effect, is conducive to delaying the aging of resistor disc 13.
The upper end of resistor disc post is sequentially installed with support column fixed mechanism locating pad 11, high-pressure side decompression steel pad 10, support
Post fixed mechanism 9, spring 7, conductive strips 8.Wherein the offer of spring 7 axial pressing force causes each part in axial reliable contacts.Lead
Electricity is tin bronze with 8 material, and wear-resisting, corrosion resisting property is excellent to be provided simultaneously with good electric conductivity, and its effect is for spring 7 is installed
Region provides good conducting function.Main Function of the support column fixed mechanism 9 herein is the position of limited spring 7, is prevented
There is lateral displacement in it, the thrust of spring 7 uniformly can also be applied on resistor disc post in addition.Support column fixed mechanism is determined
Position pad 11 and high-pressure side decompression steel pad 10 play pressure adjustment effect, the thrust of spring 7 is in the range of restriction.
The lower end of resistor disc post is sequentially installed with support column fixed mechanism 9, resistor disc detent mechanism 14, drier mechanism
15.Main Function of the support column fixed mechanism 9 herein is the position of limiting resistance piece detent mechanism 14, prevents it from occurring lateral
, uniformly can also be applied to the thrust of resistor disc detent mechanism 14 on resistor disc post in addition by displacement.Resistor disc detent mechanism
14 provide positioning action for the installation of resistor disc post, while its inner space can be used as the storage of the drier of drier mechanism 15
Room.Drier is deposited in inside resistor disc detent mechanism 14, is connected with external environment condition by the passage on support column so that
Arrester inner space residing for whole stem keeps drying, and this is also beneficial to improve the service life of resistor disc.
Claims (1)
1. a kind of arrester device, it is characterized in that：Support column is provided with, the support column includes the resistance that series connection is stacked together
Piece, two support column fixed mechanisms and two end cushion blocks, the resistor disc form a resistor disc post, and resistor disc post is vertically put
Put, resistor disc post is arranged between two support column fixed mechanisms, hold the end face of cushion block to be fitted in the end face of the resistor disc
Together, the side surface of the end cushion block is provided with a flange, and the outer surface of the resistor disc post is provided with one and places vertically
Heat-shrink tube, at end, the upper end of cushion block is sequentially provided with support column fixed mechanism locating pad, high-pressure side decompression steel pad, the support column and consolidates
Determine mechanism, spring and conductive strips, support column fixed mechanism is arranged on the outside of spring, and support column fixed mechanism locating pad is arranged on
Between support column fixed mechanism and end cushion block, at end, the lower end of cushion block is sequentially installed with the support column fixed mechanism, resistor disc
Detent mechanism and drier mechanism, drier mechanism are arranged on the inside of resistor disc detent mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510965419.5A CN106898447A (en) | 2015-12-21 | 2015-12-21 | A kind of arrester device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510965419.5A CN106898447A (en) | 2015-12-21 | 2015-12-21 | A kind of arrester device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106898447A true CN106898447A (en) | 2017-06-27 |
Family
ID=59190758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510965419.5A Pending CN106898447A (en) | 2015-12-21 | 2015-12-21 | A kind of arrester device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106898447A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449865A (en) * | 2018-11-05 | 2019-03-08 | 国网上海市电力公司 | A method of electrification Tear Down Deficiency low voltage surge arrester |
-
2015
- 2015-12-21 CN CN201510965419.5A patent/CN106898447A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449865A (en) * | 2018-11-05 | 2019-03-08 | 国网上海市电力公司 | A method of electrification Tear Down Deficiency low voltage surge arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170627 |
|
| WD01 | Invention patent application deemed withdrawn after publication |