CN109817403A - A kind of metal oxide arrester that thermal diffusivity is strong - Google Patents
A kind of metal oxide arrester that thermal diffusivity is strong Download PDFInfo
- Publication number
- CN109817403A CN109817403A CN201910195337.5A CN201910195337A CN109817403A CN 109817403 A CN109817403 A CN 109817403A CN 201910195337 A CN201910195337 A CN 201910195337A CN 109817403 A CN109817403 A CN 109817403A
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- Prior art keywords
- arrester
- end cover
- heat
- shell
- metal oxide
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- 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.)
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Links
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 19
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000741 silica gel Substances 0.000 claims description 14
- 229910002027 silica gel Inorganic materials 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 230000000452 restraining effect Effects 0.000 claims description 2
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Thermistors And Varistors (AREA)
Abstract
The invention discloses a kind of metal oxide arresters that thermal diffusivity is strong, including shell, the interior of shell is equipped with hollow insulating cylinder, heat dissipation chamber is offered inside the hollow insulating cylinder, the heat dissipation chamber interior is equipped with heat-conducting plate, the housing top end is equipped with upper end cover, rubber pneumatic bag is installed inside the upper end cover, the rubber pneumatic bag side offers moisture-proof chamber, the shell exterior is socketed hurricane globe, structure of the invention is scientific and reasonable, it is provided with heat dissipation chamber and heat-conducting plate, improve the heat dissipation performance inside arrester, it ensure that the stability and reliability that arrester is run in long-term work, it is provided with rubber pneumatic bag and moisture-proof chamber, improve the sealing performance and humidity resistance inside arrester upper end cover, avoid arrester moisture damage, it is provided with windshield, it is excessively high to solve arrester installation site, wind-force Larger, arrester installs unstable problem, improves the wind resistance of arrester.
Description
Technical field
The present invention relates to metal oxide arrester technical field, specially a kind of metal oxide that thermal diffusivity is strong is lightning-arrest
Device.
Background technique
Metal oxide arrester be the communications cable prevent thunder and lightning when damaging through frequently with a kind of important equipment, arrester
Otherwise referred to as over-voltage protector and overvoltage limiter, arrester are connected between cable and the earth, usually with protected
Equipment is in parallel, and arrester can be effectively protected communication equipment, once there is abnormal voltage, arrester will be acted, and rises
To protective effect, when the communications cable or equipment are run under normal working voltage, arrester will not generate effect, come to ground
Say and be considered as open circuit, once there is high voltage, and jeopardize protected device insulation when, arrester acts immediately, by high-voltage impact
Conduct current the earth protects the communications cable and apparatus insulated, but existing metal oxide is lightning-arrest to limit voltage magnitude
Device exists when in use, and the heat dissipation performance inside arrester is poor, cannot in time inhale the heat generated inside arrester
Receive, the stability and reliability that arrester is run in long-term work is poor and arrester upper end cover inside sealing performance and anti-
The problem of damp performance is poor, and arrester is easy moisture damage, so we are to these situations, to avoid above-mentioned technical problem, really
It is necessary to provide a kind of metal oxide arresters that thermal diffusivity is strong to overcome the defect in the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of metal oxide arresters that thermal diffusivity is strong, to solve above-mentioned background technique
In the metal oxide arrester that has exist when in use, the heat dissipation performance inside arrester is poor, cannot be in time by arrester
The heat that inside generates is absorbed, and the stability and reliability that arrester is run in long-term work is poor and arrester upper end
The problem of sealing performance and humidity resistance inside lid is poor, and arrester is easy moisture damage.
To achieve the above object, the invention provides the following technical scheme: a kind of metal oxide arrester that thermal diffusivity is strong,
Including shell, the housing top end is equipped with upper end cover, and the shell exterior is socketed with silica gel full skirt, the upper end cover top peace
Equipped with fixed link, the fixed link and upper end cover junction are socketed with sealing ring, and the shell bottom end is equipped with connecting terminal, institute
It states interior of shell and is socketed with hollow insulating cylinder, conductive column is installed inside the hollow insulating cylinder, is opened up outside the conductive column
There is heat dissipation chamber, the heat dissipation chamber two sides are mounted on heat-conducting plate, pass through card slot between the heat-conducting plate and hollow insulating cylinder
It is fixedly connected, the heat-conducting plate two sides pass through screw thread and are socketed with alumina wafer, and through-hole is offered inside the heat-conducting plate, described
Upper end cover inner tip is equipped with rubber pneumatic bag, is fixedly connected between the rubber pneumatic bag and upper end cover by support plate, described
Support plate bottom end is equipped with partition, and moisture-proof chamber is offered between the partition and support plate.
Preferably, the heat dissipation chamber interior is filled with dry insulating gas nitrogen.
Preferably, the moisture-proof chamber interior is placed with silica gel particle.
Preferably, silica gel full skirt top is socketed with windshield, is equipped with limit at the windshield and cage connection
Ring is uniformly provided with diversion trench inside the windshield.
Preferably, the support plate side is equipped with compressed spring by spring fixed seat, and plate surface is supported to be covered with
Rubber sheet gasket.
Preferably, the shape of the alumina wafer is arc.
The prior art is compared, the beneficial effects of the present invention are: structure of the invention is scientific and reasonable, it is safe and convenient to use:
1, it is provided with heat dissipation chamber, heat-conducting plate, alumina wafer and through-hole, when arrester is when bearing transient overvoltage, is led
A large amount of heat is produced inside electric column, is contacted, is increased with the direct of conductive column by arc alumina wafer inside hollow insulating cylinder
The big contact area of heat conduction, while cooperating dry insulating gas nitrogen by the through-hole inside heat-conducting plate in heat dissipation cavity
The circulation of room, the efficiency for improving heat conduction ensure that lightning-arrest to significantly improve the heat dissipation performance inside arrester
The stability and reliability that device is run in long-term work.
2, it is provided with rubber pneumatic bag, support plate, partition and moisture-proof chamber, the support by support plate to rubber pneumatic bag subtracts
The small gap of rubber pneumatic bag and upper end cover top, the closure by rubber pneumatic bag to upper end cover top, and cooperate at partition
The silica gel particle of moisture-proof chamber interior can carry out absorption dehydration to the moisture entered to inside upper end cover, to improve arrester
Sealing performance and humidity resistance inside upper end cover, avoid arrester moisture damage, extend the actual life of arrester.
3, it is provided with windshield, stop collar and diversion trench, windshield is fixed by stop collar, and by windshield
The diversion trench in portion carries out dredging dispersion to distinguished and admirable, to solve, arrester installation site is excessively high, and wind-force is larger, and arrester is easy
It shakes, unstable problem is installed, improve the wind resistance of arrester.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of internal structure of the hollow insulating cylinder of the present invention；
Fig. 3 is the structural schematic diagram of upper end cover of the present invention；
Fig. 4 is the mounting structure schematic diagram of silica gel full skirt of the present invention；
Figure label: 1, shell；2, upper end cover；3, silica gel full skirt；4, sealing ring；5, fixed link；6, connecting terminal；7, it leads
Electric column；8, hollow insulating cylinder；9, radiate chamber；10, heat-conducting plate；11, card slot；12, alumina wafer；13, through-hole；14, rubber gas
Capsule；15, support plate；16, partition；17, moisture-proof chamber；18, windshield；19, stop collar；20, diversion trench.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution, a kind of metal oxide arrester that thermal diffusivity is strong, packet
Shell 1 is included, 1 top of shell is equipped with upper end cover 2, and silica gel full skirt 3 is socketed with outside shell 1, and 2 top of upper end cover is equipped with fixation
Bar 5, fixed link 5 and 2 junction of upper end cover are socketed with sealing ring 4, and 1 bottom end of shell is equipped with connecting terminal 6,1 internal sleeve of shell
It is connected to hollow insulating cylinder 8, conductive column 7 is installed inside hollow insulating cylinder 8, heat dissipation chamber 9 is offered outside conductive column 7, is passed through
Circulation of the nitrogen inside heat dissipation chamber 9, accelerates the conduction of heat dissipation 9 internal heat of chamber, while also ensuring hollow insulation
Insulation performance inside cylinder 8, use is safe, filled with dry insulating gas nitrogen inside the chamber 9 that radiates, radiates 9 liang of chamber
Side is mounted on heat-conducting plate 10, is fixedly connected between heat-conducting plate 10 and hollow insulating cylinder 8 by card slot 11,10 two sides of heat-conducting plate are equal
It is socketed with alumina wafer 12 by screw thread, in order to increase the contact area between alumina wafer 12 and conductive column 7, is convenient for aluminium oxide
Piece 12 carries out Assimilation and conductivity to the heat that conductive column 7 generates, and the shape of alumina wafer 12 is arc, offers inside heat-conducting plate 10
Through-hole 13,2 inner tip of upper end cover are equipped with rubber pneumatic bag 14, solid by support plate 15 between rubber pneumatic bag 14 and upper end cover 2
Fixed connection, 15 bottom end of support plate is equipped with partition 16, is supported by compressed spring to support plate 15, improves rubber pneumatic bag
The compactness connected between 14 and upper end cover 2 reduces the gap between them, further improves the sealing performance of upper end cover 2,
15 side of support plate is equipped with compressed spring by spring fixed seat, and plate surface is supported to be covered with rubber sheet gasket, partition 16 with
Moisture-proof chamber 17 is offered between support plate 15, the moisture entered inside upper end cover 2 can be absorbed by silica gel particle
It is dry, it avoids moisture and enters to inside hollow insulating cylinder 8, cause the moisture damage of arrester, influence the normal use of device,
Silica gel particle is placed with inside moisture-proof chamber 17.
3 top of silica gel full skirt is socketed with windshield 18, and windshield 18 and 1 junction of shell install restraining position ring block 19, keep out the wind
Diversion trench 20 is uniformly provided with inside cover 18.
The working principle of the invention and process for using: in the process using a kind of metal oxide arrester that thermal diffusivity is strong
In, firstly, can produce a large amount of heat when arrester is when bearing transient overvoltage inside conductive column 7, pass through hollow insulation
Arc alumina wafer 12 at 8 inside card slots 11 of cylinder is contacted with the direct of conductive column 7, increases connecing for 7 heat of conductive column conduction
Contacting surface product, while dry insulating gas nitrogen being cooperated, in the circulation of heat dissipation chamber 9, to protect by the through-hole 13 inside heat-conducting plate 10
The insulation performance inside hollow insulating cylinder 8 has been demonstrate,proved, while having improved the efficiency of heat conduction, has been improved inside lightning arrestor shell 1
Heat dissipation performance, ensure that the stability and reliability that arrester is run in long-term work, then, by compressed spring to branch
The support for holding plate 15 squeezes rubber pneumatic bag 14 by support plate 15, reduces between 2 top of rubber pneumatic bag 14 and upper end cover
Gap, the closure by rubber pneumatic bag 14 to 2 top of upper end cover, and cooperate the silica gel particle inside the moisture-proof chamber 17 at partition 16
Absorption dehydration can be carried out to the moisture entered to inside upper end cover 2, to improve the sealing performance inside arrester upper end cover 2
And humidity resistance, arrester moisture damage is avoided, the actual life of arrester is extended.
Finally, windshield 18 is fixed by stop collar 19, and by the diversion trench 20 inside windshield 18 to distinguished and admirable
It carries out dredging dispersion, to solve, arrester installation site is excessively high, and wind-force is larger, and arrester is easy to happen shaking, and installation is not
Secured problem improves the wind resistance of arrester.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (6)
1. a kind of metal oxide arrester that thermal diffusivity is strong, including shell (1), it is characterised in that: shell (1) the top peace
Equipped with upper end cover (2), it is socketed with silica gel full skirt (3) outside the shell (1), upper end cover (2) top is equipped with fixed link
(5), the fixed link (5) and upper end cover (2) junction are socketed with sealing ring (4), and shell (1) bottom end is equipped with terminals
Sub (6), the shell (1) is internal to be socketed with hollow insulating cylinder (8), is equipped with conductive column inside the hollow insulating cylinder (8)
(7), heat dissipation chamber (9) being offered outside the conductive column (7), heat dissipation chamber (9) two sides are mounted on heat-conducting plate (10),
It is fixedly connected between the heat-conducting plate (10) and hollow insulating cylinder (8) by card slot (11), heat-conducting plate (10) two sides are logical
It crosses screw thread to be socketed with alumina wafer (12), be offered through-hole (13) inside the heat-conducting plate (10), top inside the upper end cover (2)
End is equipped with rubber pneumatic bag (14), is fixedly connected between the rubber pneumatic bag (14) and upper end cover (2) by support plate (15), institute
It states support plate (15) bottom end to be equipped with partition (16), offers moisture-proof chamber between the partition (16) and support plate (15)
(17)。
2. a kind of strong metal oxide arrester of thermal diffusivity according to claim 1, it is characterised in that: the heat dissipation cavity
Filled with dry insulating gas nitrogen inside room (9).
3. a kind of strong metal oxide arrester of thermal diffusivity according to claim 1, it is characterised in that: the moisture-proof chamber
Silica gel particle is placed with inside room (17).
4. a kind of strong metal oxide arrester of thermal diffusivity according to claim 1, it is characterised in that: the silica gel umbrella
Skirt (3) top is socketed with windshield (18), the windshield (18) and shell (1) junction installation restraining position ring block (19), described
Diversion trench (20) are uniformly provided with inside windshield (18).
5. a kind of strong metal oxide arrester of thermal diffusivity according to claim 1, it is characterised in that: the support plate
(15) side is equipped with compressed spring by spring fixed seat, and support plate (15) surface is covered with rubber sheet gasket.
6. a kind of strong metal oxide arrester of thermal diffusivity according to claim 1, it is characterised in that: the aluminium oxide
The shape of piece (12) is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195337.5A CN109817403B (en) | 2019-03-14 | 2019-03-14 | Metal oxide lightning arrester with high heat dissipation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195337.5A CN109817403B (en) | 2019-03-14 | 2019-03-14 | Metal oxide lightning arrester with high heat dissipation performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109817403A true CN109817403A (en) | 2019-05-28 |
| CN109817403B CN109817403B (en) | 2020-12-29 |
Family
ID=66609070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910195337.5A Active CN109817403B (en) | 2019-03-14 | 2019-03-14 | Metal oxide lightning arrester with high heat dissipation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109817403B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104223A (en) * | 2021-05-18 | 2021-07-13 | 袁鹏杰 | Unmanned aerial vehicle carries flow monitoring devices |
| CN113451888A (en) * | 2021-05-14 | 2021-09-28 | 陈浩彬 | Heat dissipation fire prevention type lightning protection device that disappears |
| CN118213142A (en) * | 2023-10-18 | 2024-06-18 | 国网上海市电力公司 | Separable pillar type lightning arrester capable of preventing water and gas from entering |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH664642A5 (en) * | 1984-04-13 | 1988-03-15 | Bbc Brown Boveri & Cie | SURGE ARRESTERS. |
| CN203982930U (en) * | 2014-07-11 | 2014-12-03 | 浙江天虹电气金具有限公司 | Damp-proof type lightning arrester |
| CN106158181A (en) * | 2016-08-29 | 2016-11-23 | 国网江苏省电力公司镇江供电公司 | Metal oxide arrester |
| CN207558504U (en) * | 2017-10-18 | 2018-06-29 | 中南仪表有限公司 | A kind of Dampproof formula composite jacket gaspless metal oxide arrester |
-
2019
- 2019-03-14 CN CN201910195337.5A patent/CN109817403B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH664642A5 (en) * | 1984-04-13 | 1988-03-15 | Bbc Brown Boveri & Cie | SURGE ARRESTERS. |
| CN203982930U (en) * | 2014-07-11 | 2014-12-03 | 浙江天虹电气金具有限公司 | Damp-proof type lightning arrester |
| CN106158181A (en) * | 2016-08-29 | 2016-11-23 | 国网江苏省电力公司镇江供电公司 | Metal oxide arrester |
| CN207558504U (en) * | 2017-10-18 | 2018-06-29 | 中南仪表有限公司 | A kind of Dampproof formula composite jacket gaspless metal oxide arrester |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113451888A (en) * | 2021-05-14 | 2021-09-28 | 陈浩彬 | Heat dissipation fire prevention type lightning protection device that disappears |
| CN113104223A (en) * | 2021-05-18 | 2021-07-13 | 袁鹏杰 | Unmanned aerial vehicle carries flow monitoring devices |
| CN118213142A (en) * | 2023-10-18 | 2024-06-18 | 国网上海市电力公司 | Separable pillar type lightning arrester capable of preventing water and gas from entering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109817403B (en) | 2020-12-29 |
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Effective date of registration: 20240609 Address after: 264000 1103, No. 29, Haigang Road, Zhifu District, Yantai City, Shandong Province Patentee after: Shandong CHENQiao Electric Technology Co.,Ltd. Country or region after: China Address before: 230601 3rd floor, area a, 393 feicui Road, Taohua Industrial Park, Jingkai District, Hefei City, Anhui Province Patentee before: HEFEI GEWEITE ELECTRIC TECHNOLOGY Co.,Ltd. Country or region before: China |
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