CN220651751U - GIS arrester fence structure core - Google Patents
GIS arrester fence structure core Download PDFInfo
- Publication number
- CN220651751U CN220651751U CN202320638983.6U CN202320638983U CN220651751U CN 220651751 U CN220651751 U CN 220651751U CN 202320638983 U CN202320638983 U CN 202320638983U CN 220651751 U CN220651751 U CN 220651751U
- Authority
- CN
- China
- Prior art keywords
- fence
- arrester
- gis
- plate
- column
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 claims abstract description 4
- 239000011152 fibreglass Substances 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 19
- 239000000084 colloidal system Substances 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model provides a GIS lightning arrester fence structure core, which belongs to the technical field of lightning arrester cores and comprises a resistor piece column, wherein the resistor piece column is fixed between a shielding seat and a base, an upper positioning plate, a cake-shaped resistor piece, a conductive plate, an insulating cushion block and a lower positioning plate are arranged on the resistor piece column from top to bottom, a fence structure layer is integrally wrapped outside the resistor piece column, and the fence structure layer is crossed and wound into a hollow fence shape by fence strips; through set up alkali-free glass fiber area winding fence structural layer outside the resistance card post of GIS arrester core, solve the unable horizontal transportation's of conventional GIS arrester problem, the transportation of GIS arrester of being convenient for has avoided the GIS arrester to receive after the impact leads to partial discharge or the unusual trouble of resistance card dislocation initiation in transportation loading and unloading process.
Description
Technical Field
The utility model belongs to the technical field of lightning arrester cores, and particularly relates to a GIS lightning arrester fence structure core.
Background
The lightning arrester is a device for preventing lightning strike, which is connected between a wire and the ground, is usually connected in parallel with the protected device, can effectively protect power equipment, and plays a role in protecting once abnormal voltage occurs, thus being an important protection device for limiting overvoltage in a transformer substation and a power transmission line.
At present, a GIS arrester is also called a tank arrester, is an alternating current gapless gas-insulated metal-enclosed metal oxide arrester specially designed for protecting a gas-insulated substation combined electrical apparatus (GIS) from being damaged by lightning and operation overvoltage impact, and is widely applied to gas-insulated metal-enclosed switchgear.
The GIS arrester core structure is multi-disc resistance card stack structure, use the insulating rod to fix, and the vertical installation of GIS arrester core is in the inner chamber of jar body, chinese patent CN107195406A has disclosed a GIS tank arrester, namely adopted this kind of structure, its GIS arrester adopts tank structure, its core adopts the single-column structure that zinc oxide piezoresistor sheet established ties are constituteed, vertical installation is in the inner chamber of jar body, if transversely place the transportation with the core, the impact resistance of its core is relatively poor, if because the impact force that jolts causes is too big in the transportation, will lead to the resistance card dislocation, produce risks such as partial discharge or unusual trouble during operation, therefore, the mode of transportation can only be placed vertically to above-mentioned GIS arrester core.
Among the existing GIS arresters, there is also a GIS arrester which adopts a horizontal arrangement arrester core, china patent CN102176363B discloses a voltage equalizing structure of an extra-high voltage arrester, which comprises a horizontal tank body and the arrester which is horizontally arranged along the horizontal tank body, and adopts a voltage equalizing structure which combines a voltage equalizing cover, a voltage equalizing ring and a voltage equalizing arc, so that the problem of axial potential distribution is solved when the core of the GIS arrester is horizontally arranged in an extra-high voltage circuit, the installation of an insulating support of the extra-high voltage GIS arrester core is facilitated, the electric field distribution of each point and the stable structure of the horizontal placement of the core are ensured, but the impact resistance of the horizontal transportation of the GIS arrester core is also poor, the risks of partial discharge or abnormal faults and the like are still caused when the resistor disc is misplaced and the operation is carried out, and the arrester is horizontally placed upside down and installed when the GIS arrester is installed on site.
Disclosure of Invention
The utility model aims to provide a fence structure core body of a GIS arrester, which solves the problem that the conventional GIS arrester cannot be transported horizontally by arranging a fence structure layer wound by alkali-free glass fiber strips outside a resistor sheet column of the GIS arrester core body, is convenient for transporting the GIS arrester, and avoids partial discharge or abnormal faults caused by dislocation of the resistor sheet after the GIS arrester is impacted in the transportation and loading and unloading processes.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the utility model provides a GIS arrester fence structure core, including the resistance card post, the resistance card post is fixed in between shielding seat and the base, the resistance card post is provided with locating plate, pie resistance card, current conducting plate, insulating cushion, locating plate down from top to bottom, the whole parcel of resistance card post has fence structural layer outward, fence structural layer is alternately twined into the fretwork fence form by the fence strip, twine last locating plate in the resistance card post, pie resistance card, current conducting plate, insulating cushion, lower locating plate through fence structural layer and fix together, realize the integration connection of above each part.
Further, the outer side surface of the resistor disc column is further provided with a solidified colloid layer, and the upper locating plate, the cake-shaped resistor disc, the conducting plate, the insulating cushion block, the lower locating plate and the fence structure layer in the resistor disc column are fixed together through the solidified colloid layer, so that the integrated connection of the components is realized.
Further, the solidified colloid layer is formed by drying a mixture of epoxy resin, an accelerator and a curing agent after reaction, the resistor sheet column wound with the alkali-free glass fiber ribbon is immersed in a mixed solvent of the epoxy resin, the accelerator and the curing agent, taken out, dried, cooled to room temperature to form the solidified colloid layer of the resistor sheet column, and the upper positioning plate, the cake-shaped resistor sheet, the conductive plate, the insulating cushion block, the lower positioning plate and the fence structural layer in the resistor sheet column are fixed together through the solidified colloid layer, so that the integrated connection of the components is realized.
Further, an upper positioning plate at the top end of the resistor disc column is provided with a groove, a fixing plate is arranged above the upper positioning plate, the fixing plate is provided with a buckle corresponding to the groove, and a shielding seat is stacked above the fixing plate;
the lower locating plate at the bottom end of the resistor disc column is provided with a groove, a base is arranged below the lower locating plate, and the base is provided with a buckle corresponding to the groove;
the upper locating plate and the shielding seat are fixedly connected through the fixing plate, and the upper locating plate and the lower locating plate are located and clamped through the grooves and the buckles, so that the resistor disc column can be firmly fixed between the base and the fixing plate on one hand, and the resistor disc column is matched with an external fixing tool to be located and clamped when the fence structural layer is wound conveniently on the other hand.
Further, a large shielding cover is arranged on the fixing plate, and an opening of the large shielding cover downwards wraps the fixing plate and the top end of the resistor disc column.
Further, a small shielding cover is arranged on the shielding seat, and an opening of the small shielding cover downwards wraps the shielding seat.
Further, the base uses the axis of the resistor disc column as the center, at least three insulating rods are fixed around the resistor disc column, the insulating rods sequentially penetrate through the lower locating plate, the fixing plate, the large shielding cover and the shielding seat along the axis direction of the resistor disc column, the top ends of the insulating rods penetrate out of the shielding seat and are fixedly connected with nuts, the resistor disc column is fixedly pressed between the shielding seat and the base, the insulating rods are used for encircling the periphery of the resistor disc column, the outer side face of the resistor disc column is reinforced, and side impact of the resistor disc column is blocked.
Further, set up fluting flat end holding screw on the current-conducting plate, fluting flat end holding screw connects the electric wire, realizes the electrically conductive function of discharging of arrester through fluting flat end holding screw, sets up the current-conducting plate in resistance card post lower extreme for increase the shielding distance of whole arrester, make the resistance card group of arrester core wholly move, the high-voltage end of resistance card group is closer to big shield cover one side, realizes the good shielding effect of big shield cover.
Further, the fence strip is an alkali-free glass fiber belt.
Further, the barrier strips are divided into a first barrier strip and a second barrier strip in the wrapping and winding direction, the first barrier strip is wound around the resistor sheet column clockwise, the second barrier strip is wound around the resistor sheet column anticlockwise, and the first barrier strip and the second barrier strip are wound in a crossed mode, so that the barrier structure layer is provided with diamond-shaped hollow spaces.
From the above technical scheme, the utility model has the following advantages:
1. according to the utility model, the alkali-free glass fiber tape is wound outside the resistor disc column of the GIS arrester core body, and the outer surface of the resistor disc column is wound into the fence structure, so that the integration of the core body is realized, the GIS arrester core body can bear the impact in any direction, the impact resistance of the GIS arrester core body is greatly improved, the dislocation and abnormal operation of the internal resistor disc after the impact of the GIS arrester core body can be effectively avoided, and therefore, various transportation modes such as horizontal transverse arrangement, vertical inverted arrangement and the like of the GIS arrester are realized, and the long-distance transportation with complex routes is satisfied.
2. According to the utility model, the resistor disc column of the GIS lightning arrester core body which is wound into the hollow fence-shaped glass fiber belt is immersed in the mixed solvent of epoxy resin, curing agent and accelerator, and after drying and curing, the GIS lightning arrester core body is integrated, and a cured colloid layer is formed on the outer layer of the resistor disc column, so that the damage to the side surface of the resistor disc is avoided, the glass glaze is prevented from falling off, the product performance is influenced, and the stability of the GIS lightning arrester core body is improved.
In addition, the GIS lightning arrester disclosed by the utility model does not need to adjust the operation direction of the GIS lightning arrester core body in a working site when being installed, so that the installation process of the GIS lightning arrester is simplified.
It follows that the beneficial effects of the utility model as it is achieved are obvious compared to the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a cross-sectional view of the arrester of the present utility model.
Fig. 2 is a schematic structural view of a lightning arrester resistor string according to the present utility model.
1, a shielding seat; 2. a small shield; 3. an insulating rod; 4. a fixing plate; 5. an upper positioning plate; 6. a large shield; 7. a cake-shaped resistive sheet; 8. a barrier structure layer; 9. a resistor disc group; 10. a conductive plate; 11. grooving the flat end set screw; 12. insulating cushion blocks; 13. a lower positioning plate; 14. a base; 15. a first barrier strip; 16. and a second barrier strip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides a GIS arrester fence structure core, including the resistance card post, the resistance card post is fixed in between shielding seat 1 and the base 14, the resistance card post is provided with locating plate 5 from top to bottom, pie resistance card 7, current conducting plate 10, insulating pad 14, locating plate 13 down, the whole parcel of resistance card post has fence structural layer 8 outward, fence structural layer 8 is alternately twined into the fretwork fence form by the fence strip, last locating plate 5 in the resistance card post, pie resistance card 7, current conducting plate 10, insulating pad 12, lower locating plate 13 twine and fix together through fence structural layer 8, realize the integration of above each part and connect.
The outer side surface of the resistor disc column is also provided with a solidified colloid layer, and the upper locating plate 5, the cake-shaped resistor disc 7, the conducting plate 10, the insulating cushion block 12, the lower locating plate 13 and the fence structural layer 8 in the resistor disc column are fixed together through the solidified colloid layer, so that the integrated connection of the components is realized.
The solidified colloid layer is formed by drying a mixture of epoxy resin, an accelerator and a curing agent after reaction, the resistor sheet column wound with the alkali-free glass fiber ribbon is immersed in a mixed solvent of the epoxy resin, the accelerator and the curing agent, taken out and dried, and cooled to room temperature, the solidified colloid layer of the resistor sheet column is formed, and the upper positioning plate 5, the cake-shaped resistor sheet 7, the conductive plate 10, the insulating cushion block 12, the lower positioning plate 13 and the fence structural layer 8 in the resistor sheet column are fixed together through the solidified colloid layer, so that the integrated connection of the components is realized.
The upper locating plate 5 on the top end of the resistor disc column is provided with a groove, the upper locating plate 5 is provided with a fixing plate 4, the fixing plate 4 is provided with a buckle corresponding to the groove, and the shielding seat 1 is stacked above the fixing plate 4.
The lower locating plate 13 of resistance card post bottom has the recess, and lower locating plate 13 below is provided with base 14, and base 14 has the buckle that corresponds with the recess.
The upper locating plate 5 and the shielding seat 1 are fixedly connected through the fixing plate 4, and the upper locating plate 5 and the lower locating plate 13 are located and clamped through the grooves and the buckles, so that the resistor disc column can be firmly fixed between the base 14 and the fixing plate 4 on one hand, and the resistor disc column is matched with an external fixing tool and is located and clamped and fixed when the fence structural layer 8 is wound conveniently on the other hand.
The fixing plate 4 is provided with a large shielding cover 6, and the opening of the large shielding cover 6 downwards wraps the fixing plate 4 and the top end of the resistor disc column.
The shielding seat 1 is provided with a small shielding cover 2, and the opening of the small shielding cover 2 downwards wraps the shielding seat 1.
The base 14 is used for centering the axis of the resistor disc column, 8 insulating rods 3 are fixed around the resistor disc column, the insulating rods 3 sequentially penetrate through the lower locating plate 13, the fixing plate 4, the large shielding cover 6 and the shielding seat 1 along the axis direction of the resistor disc column, the top ends of the insulating rods 3 penetrate out of the shielding seat 1 and are fixedly connected with nuts, the resistor disc column is fixedly pressed between the shielding seat 1 and the base 14, the insulating rods 3 encircle the periphery of the resistor disc column, the outer side face of the resistor disc column is reinforced, and side impact of the resistor disc column is blocked.
Set up fluting flat end holding screw 11 on the current-conducting plate 10, fluting flat end holding screw 11 connects the electric wire, realizes the conductive discharge function of arrester through fluting flat end holding screw 11, sets up current-conducting plate 10 in the resistance card post lower extreme for increase the shielding distance of whole arrester, make the resistance card group 9 that the stack of the internal pie resistance card 7 of arrester core become wholly move up, the high-voltage end of resistance card group 9 is closer to big shield cover 6 one side, realizes big shield cover 6 good shielding effect.
The fence strip is an alkali-free glass fiber belt.
The barrier strips are divided into a first barrier strip 15 and a second barrier strip 16 in the wrapping and winding direction, the first barrier strip 15 is wound on the resistor sheet column clockwise, the second barrier strip 16 is wound on the resistor sheet column anticlockwise, and the first barrier strip 15 and the second barrier strip 16 are wound in a crossed mode, so that the barrier structure layer 8 is provided with diamond-shaped hollow spaces.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a GIS arrester fence structure core, includes the resistance card post, and the resistance card post is fixed in between shielding seat and the base, its characterized in that, the resistance card post is provided with locating plate, pie resistance card, current-conducting plate, insulating pad down locating plate from top to bottom, and the whole parcel of resistance card post has the fence structural layer outward, and the fence structural layer is alternately twined into the fretwork fence form by the fence strip.
2. The GIS arrester fence structure core of claim 1, wherein the outer side of the resistive sheet post is further attached with a cured gum layer.
3. The GIS lightning arrester fence structure core according to claim 1, wherein the upper positioning plate at the top end of the resistor disc column is provided with a groove, a fixing plate is arranged above the upper positioning plate, the fixing plate is provided with a buckle corresponding to the groove, and a shielding seat is stacked above the fixing plate; the lower locating plate of resistance card post bottom has the recess, and lower locating plate below is provided with the base, and the base has the buckle that corresponds with the recess.
4. A GIS arrester fence structure core as in claim 3 wherein the mounting plate is provided with a large shield, the large shield opening wrapping down the mounting plate and the top of the resistive sheet column.
5. The GIS arrester fence structure core of claim 1, wherein the shield mount is provided with a small shield, and the small shield opening wraps the shield mount downward.
6. The GIS arrester fence structure core according to claim 4, wherein the base is centered on the axis of the resistor disc column, at least three insulating rods are fixed around the resistor disc column, the insulating rods sequentially penetrate through the lower locating plate, the fixing plate, the large shielding cover and the shielding seat along the axis direction of the resistor disc column, and the top ends of the insulating rods penetrate out of the shielding seat and are fixedly connected with the nuts.
7. The GIS arrester fence structure core of claim 1 wherein the conductive plate is provided with slotted flat end set screws on which wires are provided.
8. The GIS arrester fence structure core of claim 1 wherein the fence strip is an alkali-free fiberglass tape.
9. The GIS arrester fence structure core of claim 1, wherein the fence is divided into a first fence and a second fence in a wrapping and winding direction, the first fence is wound around the resistor column clockwise, the second fence is wound around the resistor column counterclockwise, the first fence is wound around the second fence in a crossing manner, and the fence structure layer has diamond-shaped hollow spaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638983.6U CN220651751U (en) | 2023-03-28 | 2023-03-28 | GIS arrester fence structure core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320638983.6U CN220651751U (en) | 2023-03-28 | 2023-03-28 | GIS arrester fence structure core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651751U true CN220651751U (en) | 2024-03-22 |
Family
ID=90263130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320638983.6U Active CN220651751U (en) | 2023-03-28 | 2023-03-28 | GIS arrester fence structure core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651751U (en) |
-
2023
- 2023-03-28 CN CN202320638983.6U patent/CN220651751U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1137543A (en) | Line protector for a communication circuit | |
| US4688142A (en) | Current transmission system for HVDC including a solid insulator having a surface coating of resin containing chromium oxide or iron oxide | |
| CN2796038Y (en) | Pillar type serial gap metal oxide lightning arrester | |
| CN201117378Y (en) | Can-type lightning arrestor | |
| CN204834220U (en) | Miniaturized pot -type metal oxide arrester of 110kV three -phase | |
| CN202473431U (en) | External string pure air gap lightning arrester | |
| CN220651751U (en) | GIS arrester fence structure core | |
| CN2852338Y (en) | Composite casing zinc oxide lightning arrester | |
| CN117458416A (en) | Transformation method of three-phase combined overvoltage protector | |
| CN107742881B (en) | Virtual positive pole induction type lightning protection device on high-voltage direct-current overhead transmission line | |
| CN203260987U (en) | High-voltage line lightning arrester | |
| CN205920875U (en) | Novel electric capacitance that lightning protection was hit device | |
| CN201845648U (en) | Primary resonance eliminator | |
| CN201829946U (en) | Gapless three-column and three-phase combined type overvoltage protector | |
| CN201247663Y (en) | Whole insulation composite greatcoat type metal-oxide lighting arrester core body | |
| CN107195406A (en) | A kind of GIS tank-type lightning arresters | |
| CN210120027U (en) | Insulating sleeve of direct-current isolation transformer | |
| CN206225098U (en) | A kind of series gap metal oxide arrester | |
| CN202940459U (en) | Lightning arrester used in extra-high voltage alternating-current electric transmission line | |
| CN208753071U (en) | A kind of high voltage arrester | |
| CN106298106A (en) | A kind of with all pressures and the lightning protection line insulator of discharging gap function | |
| CN207442184U (en) | Low residual voltage, deterioration visible fixed external series gap arrester | |
| CN201928021U (en) | Three-phase combined type overvoltage protector | |
| US5959823A (en) | Tank-type surge arrester | |
| CN217690754U (en) | Novel 35KV voltage transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |