CN111180154A - Gapless metal oxide lightning arrester - Google Patents
Gapless metal oxide lightning arrester Download PDFInfo
- Publication number
- CN111180154A CN111180154A CN202010145500.XA CN202010145500A CN111180154A CN 111180154 A CN111180154 A CN 111180154A CN 202010145500 A CN202010145500 A CN 202010145500A CN 111180154 A CN111180154 A CN 111180154A
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- CN
- China
- Prior art keywords
- gapless
- cover
- protective cover
- air
- lightning arrester
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- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
-
- 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
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
Abstract
The invention discloses a gapless metal oxide arrester, which comprises an umbrella skirt protective cover, a gapless arrester body and an air-cooled connecting fitting, wherein the gapless arrester body is movably arranged inside the umbrella skirt protective cover, damping springs are movably inserted at the upper end and the lower end of the gapless arrester body, the side edge of the umbrella skirt protective cover is fixedly connected with the air-cooled connecting fitting through side flanges, the umbrella skirt protective cover is communicated with the air-cooled connecting fitting, air outlets are respectively arranged at the upper part of the upper protective cover and the bottom of the lower protective cover, and air cups are fixedly arranged in rotating shaft holes through rotating shafts. The device is prevented from failing to cause the abnormality of the power system.
Description
Technical Field
The invention relates to the technical field of lightning arresters, in particular to a gapless metal oxide lightning arrester.
Background
The novel moisture-proof composite outer sleeve gapless metal oxide arrester with the application number of 'CN 201721339897.6' in the prior art comprises an insulating silicon rubber outer sleeve, a sealed resistance sheet pipe and electrode connecting terminals, wherein the insulating silicon rubber outer sleeve is sleeved on the sealed resistance sheet pipe, the electrode connecting terminals are arranged at two ends of the insulating silicon rubber outer sleeve, the electrode connecting terminals are electrically connected with the sealed resistance sheet pipe, the sealed resistance sheet pipe comprises a pipe body, a resistance sheet and a conductive sealing terminal, the resistance sheet is arranged in the pipe body and is sealed through the conductive sealing terminal, the conductive sealing terminal is electrically connected with the resistance sheet, the novel moisture-proof composite outer sleeve gapless metal oxide arrester is novel in structure and ingenious in design, adopts multi-stage sealing, is good in sealing effect, and can ensure that the inside of the arrester is dry under outdoor severe conditions, the long-term operation performance of the lightning arrester is ensured, and the service life of the lightning arrester is greatly prolonged.
But the novel moisture-proof composite jacket gapless metal oxide lightning arrester still has obvious defects in the using process: 1. the device realizes moisture resistance in a multi-stage sealing mode, but the sealing mode brings another negative effect, namely, heat generated by the lightning arrester cannot be diffused in time, and the resistor disc is easy to fail for a long time; 2. the device has no effective shock absorption measures, and when the device faces severe environment and natural disasters, effective shock absorption can not be carried out, so that the damage to the connected electric wire or the lightning arrester can be caused for a long time, and the normal work of the device is influenced.
Disclosure of Invention
The present invention is directed to a gapless metal oxide arrester to solve the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a gapless metal oxide arrester comprises an umbrella skirt protective cover, a gapless arrester body and an air-cooled connecting fitting, wherein the gapless arrester body is movably arranged inside the umbrella skirt protective cover, a live electrode and a grounding electrode of the gapless arrester body both penetrate through holes formed in two ends of the umbrella skirt protective cover and extend to the outside of the umbrella skirt protective cover, damping springs are movably inserted into the upper end and the lower end of the gapless arrester body, one ends, far away from the gapless arrester body, of the damping springs on two sides are respectively and movably abutted against the inner walls of the upper end and the lower end of the umbrella skirt protective cover, the side edge of the umbrella skirt protective cover is fixedly connected with the air-cooled connecting fitting through side flanges, and the umbrella skirt protective cover is communicated;
the full skirt safety cover includes safety cover and lower safety cover, go up safety cover and lower safety cover through a pair of flange fixed connection down, go up safety cover upper portion and all seted up the air exit with lower safety cover bottom, go up the casing fixed connection that the safety cover side passes through side flange and air-cooled link fitting, pivot hole and fresh air inlet have been seted up respectively to both sides about the casing, there is the glass cup pivot downthehole through pivot fixed mounting, the glass cup is located the inboard one end fixed mounting of casing and has the initiative helical gear, initiative helical gear and driven helical gear meshing, driven helical gear fixed mounting is on the fan shaft of the fan of blowing, fan shaft movable mounting is covered at the knob, it has the connecting hole to go back fixed mounting on the casing.
Preferably, all fixed mounting has sealed bearing in the through-hole that upper protective cover and lower safety cover were seted up, sealed bearing and the electrified electrode and the earthing pole interference fit of gapless arrester body.
Preferably, the knob cover is in threaded connection with the shell, a limiting hole is formed in the axis of the knob cover, a ball is fixedly mounted on the fan shaft, the fan shaft and the ball are movably inserted into the limiting hole, a limiting knob is further sleeved on the fan shaft, and the limiting knob is in threaded connection with the inner wall of the limiting hole.
Preferably, the umbrella skirt protective cover is a silicon rubber umbrella skirt protective cover.
Preferably, the gapless lightning arrester body comprises a charged electrode, a zinc oxide resistance chip, a grounding electrode and a silicon rubber outer cover.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention utilizes the umbrella skirt protective cover to protect the gapless lightning arrester body, fully utilizes natural resources, and effectively ensures the normal work of the gapless lightning arrester body by cooling and dehumidifying the inner part of the umbrella skirt protective cover through wind power;
2. the body of the gapless lightning arrester can perform up-and-down shock absorption in the umbrella skirt protective cover, so that the body of the gapless lightning arrester can normally work under severe environment and serious natural disaster conditions, and the abnormity of an electric power system caused by the failure of the device is prevented.
The invention fully utilizes natural resources to cool and dehumidify the inside of the umbrella skirt protective cover, the gapless lightning arrester body can perform up-and-down shock absorption in the umbrella skirt protective cover, the service life of the device is effectively prolonged, the gapless lightning arrester body can be ensured to normally work under severe environment and serious natural disaster conditions, and the power system is prevented from being abnormal due to failure of the device.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an internal structure of the air-cooled link fitting of the present invention;
FIG. 3 is an enlarged view of the structure of area A of the present invention;
FIG. 4 is a schematic view of the fan shaft mounting structure of the present invention;
fig. 5 is a schematic view of the body of the gapless lightning arrester of the invention.
In the figure: the lightning arrester comprises a shed protective cover 1, a gapless lightning arrester body 2, an air cooling connecting fitting 3, a through hole 4, a damping spring 5, a side flange 6, an upper protective cover 7, a lower protective cover 8, a lower flange 9, an air outlet 10, a silicon rubber outer cover 11, a shell 12, a rotating shaft hole 13, an air inlet 14, a rotating shaft 15, an air cup 16, a driving bevel gear 17, a driven bevel gear 18, a blowing fan 19, a shaft 20, a knob cover 21, a connecting hole 22, a sealing bearing 23, a limiting hole 24, a ball 25, a limiting knob 26, an electrode 27, a zinc oxide resistor 28 and a grounding electrode 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a gapless metal oxide arrester comprises a shed protective cover 1, a gapless arrester body 2 and an air-cooled connecting fitting 3, wherein the shed protective cover 1 is used for wrapping the gapless arrester body 2 so as to protect the gapless arrester body, the air-cooled connecting fitting 3 is used for fixedly mounting the shed protective cover 1 and the gapless arrester body 2, the gapless arrester body 2 is movably arranged inside the shed protective cover 1, a live electrode 27 and an earth electrode 29 of the gapless arrester body 2 both penetrate through holes 4 formed in two ends of the shed protective cover 1 and extend to the outside of the shed protective cover 1, damping springs 5 are movably inserted into the upper end and the lower end of the gapless arrester body 2, the gapless arrester body 2 can effectively damp through the damping springs 5 arranged at the upper end and the lower end, and the gapless arrester body 2 can be protected through the upper damping and the lower damping, when heavy natural disasters such as earthquakes occur, the vibration can be effectively filtered, so that the normal work of the gapless lightning arrester body 2 is ensured, meanwhile, when a high-voltage transmission line connected with the gapless lightning arrester body swings greatly, the hard contact between a wiring terminal and the gapless lightning arrester body 2 can be prevented through the vibration of the gapless lightning arrester body 2, so that the transmission line is damaged, one ends, far away from the gapless lightning arrester body 2, of the damping springs 5 on two sides are respectively and movably abutted against the inner walls of the upper end and the lower end of the shed protective cover 1, the side edge of the shed protective cover 1 is fixedly connected with the air-cooled connecting hardware fitting 3 through the side flange 6, the shed protective cover 1 is communicated with the air-cooled connecting hardware fitting 3, and the air;
the umbrella skirt protection cover 1 comprises an upper protection cover 7 and a lower protection cover 8, the upper protection cover 7 and the lower protection cover 8 are fixedly connected through a pair of lower flanges 9, a gapless lightning arrester body 2 is arranged in the upper protection cover 7 and the lower protection cover 8 during installation, the installation of internal parts is completed through the fixation of the lower flanges 9, air outlets 10 are respectively arranged at the upper part of the upper protection cover 7 and the bottom of the lower protection cover 8, internal air is overflowed outwards through the air outlets 10, the side edge of the upper protection cover 7 is fixedly connected with a shell 12 of an air-cooled connecting hardware fitting 3 through a side flange 6, a rotating shaft hole 13 and an air inlet hole 14 are respectively arranged at the upper side and the lower side of the shell 12, an air cup 16 is fixedly arranged in the rotating shaft hole 13 through a rotating shaft 15, a driving bevel gear 17 is fixedly arranged at one end of the inner side of the shell 12 of the air cup, the fan shaft 20 is movably mounted on the knob cover 21, and the housing 12 is also fixedly mounted with a connecting hole 22.
Because the device is usually installed at the eminence, it is rotatory to drive the wind cup 16 through wind-force, the wind cup 16 is rotatory to drive initiative helical gear 17 and rotates, initiative helical gear 17 rotates and drives driven helical gear 18 and rotates, driven helical gear 18 rotates and drives fan shaft 20 and rotate, it rotates to drive fan 19 of blowing through 20 rotations, fan 19 of blowing rotates and makes gas get into inside gas from air inlet 14, get into inside canopy safety cover 1 through side flange 6, it discharges to have seted up air exit 10 through upper protective cover 7 upper portion and lower protective cover 8 bottom finally, this kind of ventilation mode effectively dispels the heat to canopy safety cover 1 is inside, through, utilize canopy safety cover 1 to shelter from gapless arrester body 2 and dampproofing protection, effectively prolonged the life of gapless arrester body 2.
Preferably, the sealing bearings 23 are fixedly installed in the through holes 4 formed in the upper protection cover 7 and the lower protection cover 8, the sealing bearings 23 are in interference fit with the live electrode 27 and the grounding electrode 29 of the gapless lightning arrester body 2, and the arrangement of the sealing bearings 23 prevents rainwater from entering the umbrella skirt protection cover 1 through the through holes 4, so that the umbrella skirt protection cover is fully moisture-proof.
Preferably, the knob cover 21 is in threaded connection with the housing 12, a limiting hole 24 is formed in the axis of the knob cover 21, a ball 25 is fixedly mounted on the fan shaft 20, the fan shaft 20 and the ball 25 are movably inserted into the limiting hole 24, a limiting knob 26 is further sleeved on the fan shaft 20, the limiting knob 26 is in threaded connection with the inner wall of the limiting hole 24, and the limiting knob 26 is in threaded fit with the limiting hole 24, so that the fan shaft 20 is ensured to be movably arranged in the limiting hole 24 and not to fall off.
Preferably, the skirt guard 1 is a silicone skirt guard.
As one preference, the gapless lightning arrester body 2 comprises a strip electrode 27, a zinc oxide resistor disc 28, a grounding electrode 29 and a silicon rubber housing 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a gapless metal oxide arrester, includes full skirt safety cover (1), gapless arrester body (2) and air-cooled link fitting (3), its characterized in that: the gapless lightning arrester comprises a gapless lightning arrester body (2), through holes (4) formed in two ends of a shed protective cover (1) and extending to the outside of the shed protective cover (1), through holes (27) and a grounding electrode (29) of the gapless lightning arrester body (2) penetrate through the through holes (4) formed in the two ends of the shed protective cover (1), damping springs (5) are movably inserted into the upper end and the lower end of the gapless lightning arrester body (2), one ends, far away from the gapless lightning arrester body (2), of the damping springs (5) on two sides are movably abutted to the inner walls of the upper end and the lower end of the shed protective cover (1), the side edge of the shed protective cover (1) is fixedly connected with an air-cooling connecting hardware fitting (3) through a side flange (6), and the shed protective cover (1) is communicated with the;
the umbrella skirt protection cover (1) comprises an upper protection cover (7) and a lower protection cover (8), the upper protection cover (7) and the lower protection cover (8) are fixedly connected through a pair of lower flanges (9), an air outlet (10) is formed in the upper portion of the upper protection cover (7) and the bottom of the lower protection cover (8), the side edge of the upper protection cover (7) is fixedly connected with a shell (12) of an air-cooled connecting fitting (3) through a side flange (6), a rotating shaft hole (13) and an air inlet hole (14) are formed in the upper side and the lower side of the shell (12) respectively, an air cup (16) is fixedly installed in the rotating shaft hole (13) through a rotating shaft (15), a driving helical gear (17) is fixedly installed at one end of the inner side of the shell (12) of the air cup (16), the driving helical gear (17) is meshed with a driven helical gear (18), and the driven helical gear (18) is fixedly installed on, the fan shaft (20) is movably mounted on the knob cover (21), and the shell (12) is further fixedly provided with a connecting hole (22).
2. A gapless metal oxide arrester according to claim 1, characterized in that: go up equal fixed mounting in through-hole (4) that safety cover (7) and lower safety cover (8) were seted up and have sealed bearing (23), sealed bearing (23) and electrified electrode (27) and earthing pole (29) interference fit of gapless arrester body (2).
3. A gapless metal oxide arrester according to claim 1, characterized in that: the fan shaft is characterized in that the knob cover (21) is in threaded connection with the shell (12), a limiting hole (24) is formed in the axis of the knob cover (21), a ball (25) is fixedly mounted on the fan shaft (20), the fan shaft (20) and the ball (25) are movably inserted into the limiting hole (24), a limiting knob (26) is further sleeved on the fan shaft (20), and the limiting knob (26) is in threaded connection with the inner wall of the limiting hole (24).
4. A gapless metal oxide arrester according to claim 1, characterized in that: the umbrella skirt protective cover (1) is a silicon rubber umbrella skirt protective cover.
5. A gapless metal oxide arrester according to claim 1, characterized in that: the gapless lightning arrester body (2) comprises a charged electrode (27), a zinc oxide resistance sheet (28), a grounding electrode (29) and a silicon rubber outer cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145500.XA CN111180154A (en) | 2020-03-05 | 2020-03-05 | Gapless metal oxide lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145500.XA CN111180154A (en) | 2020-03-05 | 2020-03-05 | Gapless metal oxide lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111180154A true CN111180154A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010145500.XA Pending CN111180154A (en) | 2020-03-05 | 2020-03-05 | Gapless metal oxide lightning arrester |
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| Country | Link |
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| CN (1) | CN111180154A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909881A (en) * | 2021-01-26 | 2021-06-04 | 芜湖市凯鑫避雷器有限责任公司 | Mounting base of lightning arrester |
| CN113365158A (en) * | 2021-05-11 | 2021-09-07 | 程兴彬 | Novel 5G base station |
-
2020
- 2020-03-05 CN CN202010145500.XA patent/CN111180154A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909881A (en) * | 2021-01-26 | 2021-06-04 | 芜湖市凯鑫避雷器有限责任公司 | Mounting base of lightning arrester |
| CN112909881B (en) * | 2021-01-26 | 2022-03-22 | 芜湖市凯鑫避雷器有限责任公司 | Mounting base of lightning arrester |
| CN113365158A (en) * | 2021-05-11 | 2021-09-07 | 程兴彬 | Novel 5G base station |
| CN113365158B (en) * | 2021-05-11 | 2024-01-09 | 陕西省通信服务有限公司 | Novel 5G base station |
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