CN204011787U - High voltage substation protective device - Google Patents
High voltage substation protective device Download PDFInfo
- Publication number
- CN204011787U CN204011787U CN201420493457.6U CN201420493457U CN204011787U CN 204011787 U CN204011787 U CN 204011787U CN 201420493457 U CN201420493457 U CN 201420493457U CN 204011787 U CN204011787 U CN 204011787U
- Authority
- CN
- China
- Prior art keywords
- ground connection
- connection link
- intrinsic safety
- safety housing
- parallel groove
- 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.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 210000004907 gland Anatomy 0.000 claims abstract description 8
- 239000006004 Quartz sand Substances 0.000 claims abstract description 6
- 239000012212 insulator Substances 0.000 claims description 15
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 abstract description 7
- 238000012795 verification Methods 0.000 abstract description 7
- 238000005266 casting Methods 0.000 description 6
- 230000009194 climbing Effects 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
High voltage substation protective device, comprise intrinsic safety housing, insulated tube, ground connection link, parallel groove clamp, mounting bracket and wire clamp cover, intrinsic safety housing upper end is logical to be connected with mounting bracket, insulated tube is coaxial to be located in intrinsic safety housing, in insulated tube, be filled with quartz sand, intrinsic safety housing lower end is connected with ground connection link upper end, ground connection link lower end is provided with discharge block, discharge block lower surface is provided with electric discharge fin, parallel groove clamp is located at ground connection link sidepiece and is structure as a whole with ground connection link, parallel groove clamp is provided with gland by vertical bolt, parallel groove clamp outside is provided with wire clamp cover, wire clamp cover the inner is rotatably connected on ground connection link by steady pin.It is simple, convenient that the utility model is installed, simultaneously can anchor leg, reduce the swing of lead-in wire, and electrical verification, installing, solve platform district for many years and there is no the position of hanging earthing conductor, and a difficult problem for electrical verification after 10kV distribution transformer insulating, installing, dismounting earth connection.
Description
Technical field
The utility model belongs to electric network protection technical field, relates in particular to a kind of high voltage substation protective device.
Background technology
In electric power system, how 10kV transformer platform area guarantees safety because of need maintenance or other work, is mainly must take to have a power failure, electrical verification, the safety measure of hanging earthing conductor.For preventing the generation of human casualty accident and power supply unit accident; according to " State Grid Corporation of China's electric power safety working regulation (circuit pack) "; in the time of 10kV distribution transforming facility interruption maintenance; earth connection should be installed in setting two ends, and installing earth connection is among the circuit homework personnel protection in earth connection all the time, to prevent that circuit from surprisingly sending a telegram here or induced voltage causes personal injury in order to ensure.With regard to regard to hanging earthing conductor, hang over is the problem that everybody inquires into for many years where always.The distribution facility in small part area has been installed ground loop, normally hangs under fall insurance on duckbilled, on bushing shell for transformer, hangs over 10kV and cross on line bus.Ground loop right and wrong miscellaneous are fixed and installation site is not good, also inconvenient in the middle of practical operation, have defect; Hang under fall insurance on duckbilled, because contact-making surface injustice easily falls down; Hang on bushing shell for transformer and easily smash; Hung over and on line bus, bus is drawn badly and because bus itself is line body, material is soft, is difficult for mounting retracting operating difficulties.
Utility model content
The utility model is in order to solve weak point of the prior art, a kind of easy operating is provided, is convenient to dismounting hanging earthing conductor, safe and reliable high voltage substation protective device.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: high voltage substation protective device, comprise intrinsic safety housing, insulated tube, ground connection link, parallel groove clamp, mounting bracket and wire clamp cover, intrinsic safety housing is the cylinder of being made up of insulating material, intrinsic safety housing upper end is connected with mounting bracket by hold-down nut, insulated tube is coaxial to be located in intrinsic safety housing, in insulated tube, be filled with quartz sand, intrinsic safety housing outer surface is provided with the first Silicon-On-Insulator glue-line, the first Silicon-On-Insulator glue-line outer surface is provided with some layers from top to bottom and climbs arc full skirt, intrinsic safety housing lower end is connected with ground connection link upper end by leveling screw, ground connection link outer surface is provided with the second Silicon-On-Insulator glue-line, ground connection link lower end is provided with discharge block, discharge block lower surface is provided with electric discharge fin, parallel groove clamp is located at ground connection link sidepiece and is structure as a whole with ground connection link, parallel groove clamp is provided with gland by vertical bolt, parallel groove clamp outside is provided with wire clamp cover, wire clamp cover the inner is rotatably connected on ground connection link by steady pin.
Described mounting bracket top one side is provided with G type hook.
Described wire clamp cover is the ellipsoidal structure of being made up of insulating material.
Adopt technique scheme, unaffected for ensureing the design standard in transformer primary platform district, the length of intrinsic safety housing is decided to be to 250mm, the diameter of the insulated tube of intrinsic safety enclosure interior is 48mm, quartz sand is housed in insulated tube, the upper and lower two ends of intrinsic safety housing are moulded cured casting plug by epoxy and are sealed, outside through compound silica gel high temperature extrusion, form the first Silicon-On-Insulator glue-line, on the first Silicon-On-Insulator glue-line, there are five layers of equidistant setting to climb arc full skirt, the diameter of climbing arc full skirt the widest part is 85mm, under the long-time running of 10kV voltage, ensure not breakdown and ensured the climbing arc distance under external voltage.Ground connection link is the closed ring body of long 210mm, the wide aluminium alloy for 124mm, and it is outer by the second Silicon-On-Insulator glue-line casting parcel.Wherein: in the middle of link below, having the long ring body of 70mm not carry out silica gel parcel becomes the discharge block of ring body, as earth connection.A side at ground connection link is provided with the parallel groove clamp that is cast into one with ground connection link, adopts the gland at adjustable 30 ° of angles on parallel groove clamp, and the sectional area scope of application that has ensured power line is 16mm
2～90mm
2.The discharge block of ground connection link lower end is designed to cylindrical, and the one, guarantee and earth connection contact-making surface are large, and the 2nd, ensure that its mechanical strength is difficult for multi-pass operation and is out of shape fracture.Intrinsic safety housing lower end is connected with leveling screw with ground connection link, and upper end is connected with mounting bracket by the hold-down nut being made up of bolt, nut, pad.Mounting bracket top one side is provided with G type and links up with for articulating mounting bracket.
The utility model is exclusively used on the electric equipment such as 10kV and following electric pressure transformer platform area, its mounting means and position are to insure on first strong point of carrying on a shoulder pole by the fixing fall insurance downside that is arranged on of the hold-down nut of intrinsic safety housing one end, meanwhile, power line is compressed by gland through parallel groove clamp.When first needs need have a power failure in the time overhauling some work, insurance is pulled open, when electrical verification, carrying out without casting Jiao Chu (discharge block) of ground connection link, to confirm without after electricity, earth connection is directly hung on ground connection link, and earth connection contacts with discharge block, very clear.So just having solved platform district does not for many years have the position of hanging earthing conductor, and the utility model still ensures the standard-required in platform district.
Compared with prior art, the utlity model has following beneficial effect: the utility model is installed simple, convenient, simultaneously can anchor leg, reduce the swing of lead-in wire, electrical verification, installing, dismounting earth connection are swift to operate, convenient, having solved platform district does not for many years have the position of hanging earthing conductor, and a difficult problem for electrical verification after 10kV distribution transformer insulating, installing, dismounting earth connection, and the standard-required that still can ensure platform district after earthing device of the present utility model is installed.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, high voltage substation protective device of the present utility model, comprise intrinsic safety housing 1, insulated tube 2, ground connection link 3, parallel groove clamp 4, mounting bracket 5 and wire clamp cover 6, the cylinder of intrinsic safety housing 1 for being made by insulating material, intrinsic safety housing 1 upper end is connected with mounting bracket 5 by hold-down nut 7, insulated tube 2 is coaxial to be located in intrinsic safety housing 1, in insulated tube 2, be filled with quartz sand 8, intrinsic safety housing 1 outer surface is provided with the first Silicon-On-Insulator glue-line 9, the first Silicon-On-Insulator glue-line 9 outer surfaces are provided with some layers from top to bottom and climb arc full skirt 10, intrinsic safety housing 1 lower end is connected with ground connection link 3 upper ends by leveling screw 11, ground connection link 3 outer surfaces are provided with the second Silicon-On-Insulator glue-line 12, ground connection link 3 lower ends are provided with discharge block 13, discharge block 13 lower surfaces are provided with electric discharge fin 14, parallel groove clamp 4 is located at ground connection link 3 sidepieces and is structure as a whole with ground connection link 3, parallel groove clamp 4 is provided with gland 16 by vertical bolt 15, parallel groove clamp 4 outsides are provided with wire clamp cover 6, wire clamp cover 6 the inners are rotatably connected on ground connection link 3 by steady pin 17.
Mounting bracket 5 top one sides are provided with G type hook 18.
The ellipsoidal structure of wire clamp cover 6 for being made by insulating material.
Unaffected for ensureing the design standard in transformer primary platform district, the length of intrinsic safety housing 1 is decided to be to 250mm, the diameter of the insulated tube 2 of intrinsic safety housing 1 inside is 48mm, quartz sand 8 is housed in insulated tube 2, intrinsic safety housing is moulded cured casting plug by epoxy and is sealed in two ends Shang Xia 1, outside through compound silica gel high temperature extrusion, form the first Silicon-On-Insulator glue-line 9, on the first Silicon-On-Insulator glue-line 9, there are five layers of equidistant setting to climb arc full skirt 10, the diameter of climbing arc full skirt 10 the widest part is 85mm, under the long-time running of 10kV voltage, ensure not breakdown and ensured the climbing arc distance under external voltage.Ground connection link 3 for long 210mm, wide be the aluminium alloy closure ring body of 124mm, it is outward by the second Silicon-On-Insulator glue-line 12 parcel of casting.Wherein: in the middle of link below, having the long ring body of 70mm not carry out silica gel parcel becomes the discharge block 13 of ring body, as earth connection.Be provided with the parallel groove clamp 4 that is cast into one with ground connection link 3 in a side of ground connection link 3, adopt the gland 16 at adjustable 30 ° of angles on parallel groove clamp 4, the sectional area scope of application that has ensured power line is 16mm
2～90mm
2.The discharge block 13 of ground connection link 3 lower ends is designed to cylindrical, and the one, guarantee and earth connection contact-making surface are large, and the 2nd, ensure that its mechanical strength is difficult for multi-pass operation and is out of shape fracture.Intrinsic safety housing 1 lower end is connected with ground connection link 3 use leveling screws 11, and upper end is connected with mounting bracket 5 by the hold-down nut 7 being made up of bolt, nut, pad.Mounting bracket 5 top one sides are provided with G type hook 18 for articulating mounting bracket 5.
The utility model is exclusively used on the electric equipment such as 10kV and following electric pressure transformer platform area, its mounting means and position are to insure on first strong point of carrying on a shoulder pole by the fixing fall insurance downside that is arranged on of the hold-down nut 7 of intrinsic safety housing 1 one end, meanwhile, power line is compressed by gland 16 through parallel groove clamp 4.When first needs need have a power failure in the time overhauling some work, insurance is pulled open, when electrical verification, carrying out without casting Jiao Chu (discharge block 13) of ground connection link 3, confirm without after electricity, earth connection is directly hung on ground connection link 3, earth connection contacts with discharge block 13, very clear.So just having solved platform district does not for many years have the position of hanging earthing conductor, and the utility model still ensures the standard-required in platform district.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting the protection range of related claim.
Claims (3)
1. high voltage substation protective device, it is characterized in that: comprise intrinsic safety housing, insulated tube, ground connection link, parallel groove clamp, mounting bracket and wire clamp cover, intrinsic safety housing is the cylinder of being made up of insulating material, intrinsic safety housing upper end is connected with mounting bracket by hold-down nut, insulated tube is coaxial to be located in intrinsic safety housing, in insulated tube, be filled with quartz sand, intrinsic safety housing outer surface is provided with the first Silicon-On-Insulator glue-line, the first Silicon-On-Insulator glue-line outer surface is provided with some layers from top to bottom and climbs arc full skirt, intrinsic safety housing lower end is connected with ground connection link upper end by leveling screw, ground connection link outer surface is provided with the second Silicon-On-Insulator glue-line, ground connection link lower end is provided with discharge block, discharge block lower surface is provided with electric discharge fin, parallel groove clamp is located at ground connection link sidepiece and is structure as a whole with ground connection link, parallel groove clamp is provided with gland by vertical bolt, parallel groove clamp outside is provided with wire clamp cover, wire clamp cover the inner is rotatably connected on ground connection link by steady pin.
2. according to the high voltage substation protective device described in claims 1, it is characterized in that: described mounting bracket top one side is provided with G type hook.
3. according to the high voltage substation protective device described in claims 1 or 2, it is characterized in that: described wire clamp cover is the ellipsoidal structure of being made up of insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493457.6U CN204011787U (en) | 2014-08-29 | 2014-08-29 | High voltage substation protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493457.6U CN204011787U (en) | 2014-08-29 | 2014-08-29 | High voltage substation protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011787U true CN204011787U (en) | 2014-12-10 |
Family
ID=52051738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420493457.6U Expired - Fee Related CN204011787U (en) | 2014-08-29 | 2014-08-29 | High voltage substation protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300599A (en) * | 2018-11-05 | 2019-02-01 | 上海西邦电气有限公司 | A kind of insulating tube type busbar and production method |
| CN111917094A (en) * | 2020-07-14 | 2020-11-10 | 国网福建省电力有限公司宁德供电公司 | Multifunctional line overvoltage protection device and lightning protection method thereof |
-
2014
- 2014-08-29 CN CN201420493457.6U patent/CN204011787U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300599A (en) * | 2018-11-05 | 2019-02-01 | 上海西邦电气有限公司 | A kind of insulating tube type busbar and production method |
| CN111917094A (en) * | 2020-07-14 | 2020-11-10 | 国网福建省电力有限公司宁德供电公司 | Multifunctional line overvoltage protection device and lightning protection method thereof |
| CN111917094B (en) * | 2020-07-14 | 2022-06-03 | 国网福建省电力有限公司宁德供电公司 | Multifunctional line overvoltage protection device and lightning protection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |