CN208433251U - Arrester device for substation - Google Patents
Arrester device for substation Download PDFInfo
- Publication number
- CN208433251U CN208433251U CN201820656997.XU CN201820656997U CN208433251U CN 208433251 U CN208433251 U CN 208433251U CN 201820656997 U CN201820656997 U CN 201820656997U CN 208433251 U CN208433251 U CN 208433251U
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- CN
- China
- Prior art keywords
- lightning arrester
- arrester body
- steel ring
- cover
- substation
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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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Abstract
The utility model discloses a kind of arrester devices for substation, and protective performance is more preferable, have more excellent humidity resistance and exterior protection function；It is also equipped with very convenient and fast disassembly and assembly structure in the preferred embodiment, greatly promotes arrester maintenance efficiency.The utility model includes lightning arrester body, the lightning arrester body is cylindrical, shield is equipped with outside lightning arrester body, the shield and lightning arrester body separately form, and are equipped with bottom cover in the bottom end of shield, the bottom cover is filled in bowl, varistor is equipped with inside lightning arrester body, the lightning arrester body bottom is extended earthing rod, and the lower end of earthing rod is extend out to below bottom cover, and radial direction of the earthing rod by the position of proximal end offers annular groove；The outside of the lightning arrester body has spaced gamp and umbellule structure；Screw rod, the also dampproof cover comprising being assembled on screw rod is arranged in the top of the lightning arrester body.
Description
Technical field
The utility model relates to a kind of arresters, specifically for the overvoltage protection in transformer substation system.
Background technique
Arrester in substation is limited in electrically for preventing Lightning Incoming Wave or internal overvoltage, and overvoltage
A kind of apparatus insulated tolerance surge voltage electrical equipment below horizontal.At prolonged work of transformer substation station it was found that
Existing arrester has some defects, causes puzzlement to substation's maintenance work usually；It is specific:
1, existing arrester is bareing structure, and lightning arrester body porcelain vase and this external full skirt (explosion prevention function) are all
It is exposed, it is easy to make moist, arrester failure even formula is caused to generate flashover breakdown；
2, the structure of bareing is exactly when affording the explosion-proof limit there are one security risk, and contingency lightning arrester body is quick-fried
It is fried, it causes arrester expense to subtract, damages surrounding devices；
3, arrester is all multiple bolt fastening structures at present in maintenance process, and disassembly assembling is extremely complex, one
The stage (such as early period in thunderstorm season) that a little requirements must be safeguarded easily causes the maintenance duration too long, so that power off time lengthens,
Influence power supply quality.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, disclose a kind of use
In the arrester device of substation, protective performance is more preferable, has more excellent humidity resistance and exterior protection function；It is excellent
It selects and is also equipped with very convenient and fast disassembly and assembly structure in embodiment, greatly promote arrester maintenance efficiency.
The technical scheme adopted by the utility model to solve the technical problem is as follows: it is used for the arrester device of substation, packet
Lightning arrester body is included, the lightning arrester body is cylindrical, and shield is equipped with outside lightning arrester body, the shield and is kept away
Thunder device ontology separately forms, and is equipped with bottom cover in the bottom end of shield, the bottom cover is filled in bowl, and pressure is equipped with inside lightning arrester body
Quick resistance, the lightning arrester body bottom are extended earthing rod, and the lower end of earthing rod is extend out to below bottom cover, the earthing rod
Radial direction by the position of proximal end offers annular groove；
The outside of the lightning arrester body has spaced gamp and umbellule structure；
Screw rod is arranged in the top of the lightning arrester body, also comprising the dampproof cover being assembled on screw rod, dampproof cover lower surface
Central part is embedded in a nut, and downward, the projected area of dampproof cover in the horizontal plane is big for the full skirt of the dampproof cover of vertebral body structure
In the projected area of the shield in the horizontal plane；The upper surface protrusion of the dampproof cover is provided with boss；Boss is along anti-
One circle of circumferential direction arrangement on tide cover surface；
Several stomatas are offered on the bottom cover, the stomata is along the circumferential direction uniformly distributed centered on earthing rod.
A kind of preferred embodiment as the utility model: the ground connection column bottom is assembled in fixed attachment base；
The attachment base includes an interior steel ring, and the bottom end of interior steel ring is fixedly connected with soft copper wire, and the top of interior steel ring is for being inserted into
The open ports of earthing rod；Interior steel ring is provided with multiple circular holes on the side of open ports, and a clip, clip are cased with outside interior steel ring
It is provided with compressed spring between interior steel ring, steel ball is provided between the circular hole and clip of interior steel ring, the diameter of steel ball is greater than circle
The diameter in hole.
A kind of preferred embodiment as the utility model: the circular hole is four；It is provided in the interior steel ring more
A metal clips；Described metal clips one end is fixed on the inside of interior steel ring, and the other end tilts, and tilts end opening wide close to interior steel ring
Mouthful；The metal clips is four；The metal clips tilts and is additionally provided with limit spring between end and interior steel ring.
A kind of preferred embodiment as the utility model: the varistor both ends are equipped with conductive sheet, pressure-sensitive electricity
The conductive sheet and screw rod for hindering upper end are conductively connected, and the conductive sheet and earthing rod of varistor lower end are conductively connected；The shield
Inside is equipped with one layer of silicon steel bed course；The bottom cover is to be threadedly coupled with shield.
A kind of preferred embodiment as the utility model: the boss be multiple groups, along dampproof cover upper surface according to
Secondary arrangement；The cross section of the boss is inverted U-shaped structure or inverted trapezoidal structure；The material of the dampproof cover is soft insulating hydrophobic
Material；The material of the dampproof cover is high-temperature silicon disulfide rubber；The material of dampproof cover and the material of boss are consistent；The dampproof cover
The thickness of cross section successively reduced by center towards marginal position；The inclination angle on the inclined-plane of the dampproof cover is 30 degree.
A kind of preferred embodiment as the utility model: the gamp and umbellule are explosion-proof coil.
A kind of preferred embodiment as the utility model: ceramic honey comb is filled with inside the lightning arrester body.
A kind of preferred embodiment as the utility model: the diameter of umbellule is the 3/4~4/5 of gamp diameter.
A kind of preferred embodiment as the utility model: the varistor is High Gradient ZnO Varistor, pressure
The conductive sheet of quick resistance upper end is Cr-Ni Electroplating on Al Alloys pole；The conductive sheet of varistor lower end is electrode under aluminium alloy；On aluminium alloy
Electrode is interconnected to constitute by conductive adhesive superposition under electrode, High Gradient ZnO Varistor and aluminium alloy.
Compared with the prior art, the utility model has the following advantages:
Arrester device disclosed by the utility model for substation, including lightning arrester body, the lightning arrester body
It is cylindrical, shield is equipped with outside lightning arrester body, the shield and lightning arrester body separately form, in shield
Bottom end is equipped with bottom cover, and the bottom cover is filled in bowl, varistor is equipped with inside lightning arrester body, the lightning arrester body bottom is prolonged
Setting earthing rod is stretched, the lower end of earthing rod is extend out to below bottom cover, and radial direction of the earthing rod by the position of proximal end offers
Annular groove；The destructiveness that the utility model shield can prevent the splashing of explosion time from generating；By bowl fill bottom and
Stomata can increase exhaust performance, prevent heat from assembling；
The outside of the lightning arrester body of the utility model has spaced gamp and umbellule structure；Gamp is common rule
The full skirt of lattice, umbellule are less than normal specifications, are spaced such that when being arranged in actual test to considerably increase stability and stablize and imitate
Fruit；
Screw rod is arranged in the top of the lightning arrester body of the utility model, moisture-proof also comprising the dampproof cover being assembled on screw rod
Cover lower surface central part be embedded in a nut, the full skirt of the dampproof cover of vertebral body structure downward, the throwing of dampproof cover in the horizontal plane
Shadow area is greater than the projected area of the shield in the horizontal plane；The upper surface protrusion of the dampproof cover is provided with boss；It is convex
Platform is enclosed along the circumferential direction arrangement one on dampproof cover surface；The present embodiment increases waterproof effect by assembling dampproof cover；Into one
Step, dampproof cover can block shield, promote whole rain and snow effect；The design of boss, first is that reinforcing rain-proof hood shape
It is fixed, its deformation is prevented, second is that slowing down rainwater flow velocity, prevents rainwater flow velocity too fast and forms LINEAR CONTINUOUS water flow, cause to be grounded
Electric discharge.
Detailed description of the invention
Fig. 1 is a kind of decomposition texture schematic diagram of specific embodiment of the utility model；
Fig. 2 is a kind of schematic cross-sectional view of specific embodiment of the attachment base of the utility model.
Description of symbols:
1- dampproof cover, 2- shield, 3- screw rod, 4- lightning arrester body, 5- hold up an umbrella, 6- umbellule, 7- earthing rod, 8- silicon steel pad
Layer, 9- attachment base, 10- bottom cover, 11- stomata, 12- annular groove, 13- boss, 14- nut；
Steel ring in 91-, 92- clip, 93- steel ball, 94- compressed spring, 95- metal clips, the soft copper wire of 96-, 97- circle
Hole, 98- limit spring.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
As shown in Fig. 1~2, it illustrates specific embodiment of the utility model；As shown, disclosed by the utility model
For the arrester device of substation, including lightning arrester body 4, the lightning arrester body is cylindrical, outside lightning arrester body
Portion is equipped with shield 2, and the shield and lightning arrester body separately form, and is equipped with bottom cover 10, the bottom in the bottom end of shield
Lid is filled in bowl, and varistor is equipped with inside lightning arrester body, and the lightning arrester body bottom is extended earthing rod 7, is grounded
The lower end of column is extend out to below bottom cover, and radial direction of the earthing rod by the position of proximal end offers annular groove 12；
The outside of the lightning arrester body has 6 structure of spaced gamp 5 and umbellule；Gamp and umbellule are opposite
Size relation is a specific relative size description.
Screw rod 3 is arranged in the top of the lightning arrester body, also comprising the dampproof cover being assembled on screw rod, dampproof cover lower surface
Central part be embedded in a nut 14, the full skirt of the dampproof cover of vertebral body structure downward, the projected area of dampproof cover in the horizontal plane
Greater than the projected area of the shield in the horizontal plane；The upper surface protrusion of the dampproof cover is provided with boss 13；Boss edge
Dampproof cover surface circumferential direction arrangement one circle；
Several stomatas 11 are offered on the bottom cover, the stomata is along the circumferential direction uniformly distributed centered on earthing rod.
Preferably, as shown in the figure: the ground connection column bottom is assembled in fixed attachment base 9；The attachment base includes one
A interior steel ring 91, the bottom end of interior steel ring are fixedly connected with soft copper wire 96, and the top of interior steel ring is for being inserted into opening wide for earthing rod
Mouthful；Interior steel ring is provided with multiple circular holes 97 on the side of open ports, and a clip 92, clip and interior steel ring are cased with outside interior steel ring
Between be provided with compressed spring 94, be provided with steel ball 93 between the circular hole and clip of interior steel ring, the diameter of steel ball is greater than circular hole
Diameter.Attachment base disclosed in the present embodiment can allow earthing rod easily into and out therefore, capable of playing quick disassembly and keep away
The effect of thunder device；Specifically, attachment base be it is fixed, arrester is fixed on attachment base by earthing rod.In earthing rod insertion
In steel ring, clip is tightened, compressed spring is compressed, and steel ball is collapsed, and blocks the annular groove of earthing rod.Unclamp clip, pressure
Contracting spring struts clip, is steel ball Free up Memory, that is, can be taken off earthing rod.
Preferably, as shown in the figure: the circular hole is four；Multiple metal clips 95 are provided in the interior steel ring；It is described
Metal clips one end is fixed on the inside of interior steel ring, and the other end tilts, and tilts end close to the open ports of interior steel ring；The metal clips
It is four；The metal clips tilts and is additionally provided with limit spring 98 between end and interior steel ring.The moulding of metal clips can allow
The earthing rod of insertion is further clamped；The limit spring of design increases compressing clamping force.
Preferably, as shown in the figure: the varistor both ends are equipped with conductive sheet, the conductive sheet and spiral shell of varistor upper end
Bar is conductively connected, and the conductive sheet and earthing rod of varistor lower end are conductively connected；One layer of silicon steel pad is equipped on the inside of the shield
Layer；The bottom cover is to be threadedly coupled with shield.
Preferably, as shown in the figure: the boss is multiple groups, is successively arranged along the upper surface of dampproof cover；The boss
Cross section is inverted U-shaped structure or inverted trapezoidal structure；The material of the dampproof cover is soft insulating hydrophobic material；The dampproof cover
Material is high-temperature silicon disulfide rubber；The material of dampproof cover and the material of boss are consistent；The thickness of the cross section of the dampproof cover by
Center is successively reduced towards marginal position；The inclination angle on the inclined-plane of the dampproof cover is 30 degree.The structure of the present embodiment is into one
Step improves water-proof drainage effect.
Preferably, as shown in the figure: the gamp and umbellule are explosion-proof coil.The structure of explosion-proof coil is the prior art.This
Embodiment mainly improves the arrangement specification of gamp and umbellule, so that arrester stability is replaced.
Preferably, as shown in the figure: ceramic honey comb is filled with inside the lightning arrester body.
Preferably, as shown in the figure: the diameter of umbellule is the 3/4~4/5 of gamp diameter.
Preferably, as shown in the figure: the varistor is High Gradient ZnO Varistor, the conductive sheet of varistor upper end
For Cr-Ni Electroplating on Al Alloys pole；The conductive sheet of varistor lower end is electrode under aluminium alloy；Cr-Ni Electroplating on Al Alloys pole, high gradient zinc oxide electricity
Electrode is interconnected to constitute by conductive adhesive superposition under resistance piece and aluminium alloy.The present embodiment makes Cr-Ni Electroplating on Al Alloys pole, height
Electrode seal contacts under gradient zinc oxide resistance card and aluminium alloy, and is able to maintain excellent conductive performance, product global reliability energy
Increase.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. being used for the arrester device of substation, it is characterised in that: including lightning arrester body, the lightning arrester body is in cylinder
Shape is equipped with shield outside lightning arrester body, and the shield and lightning arrester body are separately formed, set in the bottom end of shield
There is bottom cover, the bottom cover is filled in bowl, and varistor is equipped with inside lightning arrester body, and the lightning arrester body bottom is extended
Earthing rod, the lower end of earthing rod are extend out to below bottom cover, and it is recessed that radial direction of the earthing rod by the position of proximal end offers annular
Slot；
The outside of the lightning arrester body has spaced gamp and umbellule structure；
Screw rod is arranged in the top of the lightning arrester body, also comprising the dampproof cover being assembled on screw rod, dampproof cover lower surface center
Position is embedded in a nut, and downward, the projected area of dampproof cover in the horizontal plane is greater than institute to the full skirt of the dampproof cover of vertebral body structure
State the projected area of shield in the horizontal plane；The upper surface protrusion of the dampproof cover is provided with boss；Boss is along dampproof cover
One circle of circumferential direction arrangement on surface；
Several stomatas are offered on the bottom cover, the stomata is along the circumferential direction uniformly distributed centered on earthing rod.
2. being used for the arrester device of substation as described in claim 1, it is characterised in that: the ground connection column bottom is assembled in
In fixed attachment base；The attachment base includes an interior steel ring, and the bottom end of interior steel ring is fixedly connected with soft copper wire, interior steel ring
Top is the open ports for being inserted into earthing rod；Interior steel ring is provided with multiple circular holes on the side of open ports, outside interior steel ring
It is cased with a clip, compressed spring is provided between clip and interior steel ring, is provided with steel ball, steel between the circular hole and clip of interior steel ring
The diameter of ball is greater than the diameter of circular hole.
3. being used for the arrester device of substation as claimed in claim 2, it is characterised in that: the circular hole is four；It is described
Multiple metal clips are provided in interior steel ring；Described metal clips one end is fixed on the inside of interior steel ring, and the other end tilts, and tilts end
Close to the open ports of interior steel ring；The metal clips is four；The metal clips tilts to be additionally provided between end and interior steel ring
Limit spring.
4. being used for the arrester device of substation as described in claim 1, it is characterised in that: the varistor both ends are all provided with
There is conductive sheet, the conductive sheet and screw rod of varistor upper end are conductively connected, and the conductive sheet and earthing rod of varistor lower end are conductive
Connection；One layer of silicon steel bed course is equipped on the inside of the shield；The bottom cover is to be threadedly coupled with shield.
5. being used for the arrester device of substation as described in claim 1, it is characterised in that: the boss is multiple groups, along
It successively arranges the upper surface of dampproof cover；The cross section of the boss is inverted U-shaped structure or inverted trapezoidal structure；The material of the dampproof cover
Matter is soft insulating hydrophobic material；The material of the dampproof cover is high-temperature silicon disulfide rubber；The material of dampproof cover and the material of boss
Matter is consistent；The thickness of the cross section of the dampproof cover is successively reduced by center towards marginal position；The dampproof cover it is oblique
The inclination angle in face is 30 degree.
6. being used for the arrester device of substation as described in claim 1, it is characterised in that: the gamp and umbellule are explosion-proof
Coil.
7. being used for the arrester device of substation as described in claim 1, it is characterised in that: filled out inside the lightning arrester body
Filled with ceramic honey comb.
8. being used for the arrester device of substation as described in claim 1, it is characterised in that: the diameter of umbellule is gamp diameter
3/4~4/5.
9. being used for the arrester device of substation as claimed in claim 4, it is characterised in that: the varistor is high gradient
Zinc oxide resistance sheet, the conductive sheet of varistor upper end are Cr-Ni Electroplating on Al Alloys pole；The conductive sheet of varistor lower end is aluminium alloy
Lower electrode；Electrode is mutually interconnected by conductive adhesive superposition under Cr-Ni Electroplating on Al Alloys pole, High Gradient ZnO Varistor and aluminium alloy
Connect composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656997.XU CN208433251U (en) | 2018-05-02 | 2018-05-02 | Arrester device for substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656997.XU CN208433251U (en) | 2018-05-02 | 2018-05-02 | Arrester device for substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208433251U true CN208433251U (en) | 2019-01-25 |
Family
ID=65103569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820656997.XU Withdrawn - After Issue CN208433251U (en) | 2018-05-02 | 2018-05-02 | Arrester device for substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208433251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508671A (en) * | 2020-04-28 | 2020-08-07 | 国网河北省电力有限公司保定供电分公司 | Insulating installation base of composite sheath metal oxide arrester |
| CN116247603A (en) * | 2023-02-17 | 2023-06-09 | 国网江西省电力有限公司南昌供电分公司 | High-safety pillar type lightning arrester |
-
2018
- 2018-05-02 CN CN201820656997.XU patent/CN208433251U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508671A (en) * | 2020-04-28 | 2020-08-07 | 国网河北省电力有限公司保定供电分公司 | Insulating installation base of composite sheath metal oxide arrester |
| CN111508671B (en) * | 2020-04-28 | 2021-08-24 | 国网河北省电力有限公司保定供电分公司 | Insulating installation base of composite sheath metal oxide arrester |
| CN116247603A (en) * | 2023-02-17 | 2023-06-09 | 国网江西省电力有限公司南昌供电分公司 | High-safety pillar type lightning arrester |
| CN116247603B (en) * | 2023-02-17 | 2024-03-19 | 国网江西省电力有限公司南昌供电分公司 | High-safety pillar type lightning arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190125 Effective date of abandoning: 20221128 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190125 Effective date of abandoning: 20221128 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |