CN217335027U - Lightning protection device suitable for medium-voltage distribution line full protection - Google Patents
Lightning protection device suitable for medium-voltage distribution line full protection Download PDFInfo
- Publication number
- CN217335027U CN217335027U CN202220602204.2U CN202220602204U CN217335027U CN 217335027 U CN217335027 U CN 217335027U CN 202220602204 U CN202220602204 U CN 202220602204U CN 217335027 U CN217335027 U CN 217335027U
- Authority
- CN
- China
- Prior art keywords
- lightning protection
- hoop
- lightning
- band iron
- voltage distribution
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 103
- 229910052742 iron Inorganic materials 0.000 claims abstract description 48
- 239000012212 insulator Substances 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 235000000396 iron Nutrition 0.000 claims description 11
- 210000005069 ears Anatomy 0.000 claims description 2
- 208000025274 Lightning injury Diseases 0.000 abstract description 7
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000003971 tillage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a lightning protection device suitable for medium voltage distribution line full protection, which belongs to the technical field of lightning protection devices and aims to solve the problems that the existing conventional overhead line has higher lightning stroke line frequency in thunderstorm seasons, and lightning stroke current cannot be transmitted to the ground when the wire is struck by lightning, so that fault tripping and wire breaking are caused; the lightning protection device comprises a pole tower, a hoop, a supporting band iron, a lightning protection ring, band iron, a cross arm, a grounding component, a grounding downlead and an insulator, wherein the hoop is arranged at the upper end of the pole tower and fixedly connected with the supporting band iron; the utility model discloses can carry out the total coverage to the cross arm, form the angle of falling protection to pole tower equipment, effectively prevent pole tower equipment in the thunderbolt.
Description
Technical Field
The utility model relates to a lightning protection device technical field specifically is a lightning protection device who is adapted to full protection of medium voltage distribution lines.
Background
Because the conventional overhead line is not provided with the lightning protection device, the frequency of the lightning stroke line is higher in the thunderstorm season, and the lightning stroke current cannot be transmitted to the ground when the conductor is struck by lightning, so that fault tripping and conductor breakage are caused. After years of operation and maintenance management, the lightning strike current is large, the reason that the lightning strike current is discharged without a channel is a line trip and a wire break is found, the frequency of direct lightning strike equipment is about more than 80%, and the frequency of lightning strike equipment for shielding and sensing lightning strikes is about 15%. In the thunderstorm season every year, the failure rate of lightning stroke conductors is frequent, so that the line is frequently powered off, the power supply reliability is reduced, the normal power utilization of users is seriously influenced, even 95598 and 12398 complaints are caused, and the image and reputation of enterprises are greatly influenced. Therefore, the lightning protection work of the line becomes the key point of the operation and maintenance of the medium and low voltage distribution line, and how to reduce the lightning stroke equipment is a difficult problem facing people.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is higher to aim at solving current conventional overhead line thunderstorm thunderbolt circuit frequency in thunderstorm season, and thunderbolt electric current can't transmit the earth during the thunderbolt wire, leads to the problem of fault tripping operation and wire broken string.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a lightning protection device who is adapted to medium voltage distribution lines total protection, includes shaft tower, a plurality of staple bolt, a plurality of support band iron, lightning protection ring, a plurality of band iron, a plurality of cross arm, ground part, ground lead, a plurality of insulator, the upper end of shaft tower is equipped with the staple bolt, the staple bolt with support band iron fixed connection, support the upper end of band iron with band iron fixed connection, the band iron with lightning protection ring fixed connection, and be located the inside of lightning protection ring, the cross arm with shaft tower fixed connection, the cross arm with insulator fixed connection, ground lead with the lightning protection ring is connected, ground part with ground lead is connected, the shaft tower upper end with the insulator is connected.
Preferably, the number of the anchor ear, the supporting flat iron and the cross arm is two, the number of the flat iron is three, the number of the insulators is 6, two threaded holes are formed in the lower end of the first supporting flat iron and used for being fixedly connected with the left end locking bolts of the first hoop and the second hoop, two threaded holes are formed in the lower end of the second supporting flat iron and used for being fixedly connected with the left end locking bolts of the first hoop and the second hoop, the second hoop is located below the first hoop, the lightning protection ring is divided into three parts by the three flat irons which are sequentially a first flat iron, a second flat iron and a third flat iron from left to right, strip-shaped holes are formed in the centers of the first flat iron and the second flat iron, the supporting flat iron is used for being connected, the upper end of the pole tower is provided with two insulators, and the two ends of the cross arm are provided with one insulator.
Preferably, the lightning protection ring is a rectangular annular body and completely covers the cross arm.
Preferably, the lightning protection ring is made of galvanized round steel with the diameter of 10mm, the length of the galvanized round steel is 1.7 meters, and the width of the galvanized round steel is 0.4 meter.
Preferably, the hoop is made of 70 mm, 7mm, and the distance between the two hoops is 200 mm and 400 mm.
Preferably, a bolt is adopted at the joint of the grounding down lead and the grounding component.
Preferably, the grounding part is a 50 × 5mm grounding flat iron or a grounding galvanized round steel with the diameter of 12 mm.
Compared with the prior art, the beneficial effects of the utility model reside in that: the lightning protection ring and the grounding downlead can fully cover the tower cross arm, an inverted protection angle is formed for the tower equipment, the protection range is effectively enlarged, and the lightning stroke of the tower equipment is effectively prevented.
Drawings
Fig. 1 is the utility model discloses a lightning protection device structure sketch map that is adapted to medium voltage distribution lines total protection.
Description of reference numerals:
in the figure: a lightning protection ring 1; 2, flat iron; supporting the flat iron 3; a pole tower 4; a cross arm 5; a grounding member 6; a hoop 7; a down conductor; and an insulator 8.
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.
It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "lateral", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example (b):
the utility model provides a be adapted to lightning protection device of medium voltage distribution lines total protection, includes shaft tower 4, a plurality of staple bolt 7, a plurality of support band iron 3, lightning protection ring 1, a plurality of band iron 2, a plurality of cross arm 5, ground connection part 6, ground connection downlead, a plurality of insulator 8, the upper end of shaft tower 4 is equipped with staple bolt 7, staple bolt 7 with support band iron 3 fixed connection, support band iron 3 the upper end with 2 fixed connection of band iron, band iron 2 with 1 fixed connection of lightning protection ring, and be located the inside of lightning protection ring 1, cross arm 5 with 4 fixed connection of shaft tower, cross arm 5 with 8 fixed connection of insulator, the ground connection downlead with lightning protection ring 1 is connected, ground connection part 6 with the ground connection downlead is connected, 4 upper ends of shaft tower with 8 is connected.
Further, the number of the anchor ears 7, the number of the supporting band irons 3 and the number of the cross arms 5 are two, the number of the band irons 2 is three, the number of the insulators 8 is 6, two threaded holes are formed in the lower end of the first supporting band iron 3 and are used for being fixedly connected with the left-end locking bolts of the first anchor ear 7 and the second anchor ear 7, two threaded holes are formed in the lower end of the second supporting band iron 3 and are used for being fixedly connected with the left-end locking bolts of the first anchor ear 7 and the second anchor ear 7, the second anchor ear 7 is located below the first anchor ear 7, the lightning protection ring 1 is trisected by the three band irons 2 and sequentially comprises the first, the second and the third band irons 2 from left to right, strip-shaped holes are formed in the centers of the first and the second band irons 2 and are used for being connected with the supporting band irons 3, and two insulators 8 are arranged at the upper ends of the towers 4, and two ends of the two cross arms 5 are provided with the insulators 8.
Further, the lightning protection ring 1 is a rectangular ring body and completely covers the cross arm 5.
Further, the lightning protection ring 1 is made of galvanized round steel with the diameter of 10mm, the length of the galvanized round steel is 1.7 meters, and the width of the galvanized round steel is 0.4 meter.
Further, the hoop 7 is made of 70 mm × 7mm, and the distance between the two hoops 7 is 200 mm and 400 mm.
Further, the connection position of the grounding down lead and the grounding component 6 adopts a bolt.
Further, the grounding part 6 is a 50 × 5mm grounding flat iron or a grounding galvanized round steel with the diameter of 12 mm.
The installation method comprises the following steps: use staple bolt 7 earlier, will support band iron 7 and install in 6 upper ends of shaft tower, install band iron 2 on lightning protection ring 1 again, install band iron 2 in the upper end that supports band iron 3 again, install insulator 8 in 4 upper ends of shaft tower again, install cross arm 5 on shaft tower 4 again, then be connected ground connection downlead and lightning protection ring 1, then be connected ground connection band iron and ground connection downlead, shaft tower 4 again.
Note that: the burying depth of the grounding member 6 requires: the tillage is not less than 1 meter, the tillage is not less than 0.8 meter, the barren slope is not less than 0.6 meter, the rocky mountain is not less than 0.4 meter, and the ground resistance is not more than 10 ohms.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The utility model provides a lightning protection device that is adapted to medium voltage distribution lines total protection, includes shaft tower (4), a plurality of staple bolt (7), a plurality of cross arm (5), ground connection part (6), ground connection downlead, a plurality of insulator (8), cross arm (5) with shaft tower (4) fixed connection, cross arm (5) with insulator (8) fixed connection, its characterized in that: still include that a plurality of supports band iron (3), lightning protection ring (1), a plurality of band iron (2), the upper end of shaft tower (4) is equipped with staple bolt (7), staple bolt (7) with support band iron (3) fixed connection, support the upper end of band iron (3) with band iron (2) fixed connection, band iron (2) with lightning protection ring (1) fixed connection, and be located the inside of lightning protection ring (1), the ground connection downlead is connected with lightning protection ring (1), ground connection part (6) with the ground connection downlead is connected, shaft tower (4) upper end with insulator (8) are connected.
2. The lightning protection device adapted for medium voltage distribution line total protection according to claim 1, wherein: the number of the hoops (7), the supporting band irons (3) and the cross arms (5) is two, the number of the band irons (2) is three, the number of the insulators (8) is 6, two threaded holes are formed in the lower end of the first supporting band iron (3) and are used for being fixedly connected with the left end locking bolts of the first hoop (7) and the second hoop (7), two threaded holes are formed in the lower end of the second supporting band iron (3) and are used for being fixedly connected with the left end locking bolts of the first hoop (7) and the second hoop (7), the second hoop (7) is located below the first hoop (7), the lightning protection ring (1) is divided into three parts by the three band irons (2) and sequentially comprises the first hoop, the second hoop and the third band iron (2) from left to right, and strip-shaped holes are formed in the centers of the first and second band irons (2), the supporting flat iron is used for connecting the supporting flat iron (3), the upper end of the tower (4) is provided with two insulators (8), and the two ends of the cross arm (5) are provided with one insulator (8).
3. The lightning protection device adapted for medium voltage distribution line total protection according to claim 1, wherein: the lightning protection ring (1) is a rectangular annular body and completely covers the cross arm (5).
4. The lightning protection device adapted for medium voltage distribution line total protection according to claim 3, wherein: the lightning protection ring (1) is made of galvanized round steel with the diameter of 10mm, the length of the galvanized round steel is 1.7 meters, and the width of the galvanized round steel is 0.4 meter.
5. The lightning protection device adapted for medium voltage distribution line total protection according to claim 2, wherein: the anchor ear (7) is made of 70 mm × 7mm, and the distance between the two anchor ears (7) is 200 mm and 400 mm.
6. The lightning protection device adapted for medium voltage distribution line total protection according to claim 1, wherein: and the joint of the grounding down lead and the grounding component (6) adopts a bolt.
7. The lightning protection device adapted for medium voltage distribution line total protection according to claim 6, wherein: the grounding part (6) is a 50 x 5mm grounding flat iron or a grounding galvanized round steel with the diameter of 12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220602204.2U CN217335027U (en) | 2022-03-19 | 2022-03-19 | Lightning protection device suitable for medium-voltage distribution line full protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220602204.2U CN217335027U (en) | 2022-03-19 | 2022-03-19 | Lightning protection device suitable for medium-voltage distribution line full protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217335027U true CN217335027U (en) | 2022-08-30 |
Family
ID=83000650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220602204.2U Expired - Fee Related CN217335027U (en) | 2022-03-19 | 2022-03-19 | Lightning protection device suitable for medium-voltage distribution line full protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217335027U (en) |
-
2022
- 2022-03-19 CN CN202220602204.2U patent/CN217335027U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106451308A (en) | 35kv/10kv common-tower distribution line lightning protection device | |
| CN217335027U (en) | Lightning protection device suitable for medium-voltage distribution line full protection | |
| CN210349489U (en) | Multiple series gap lightning stroke flashover protector | |
| CN205160010U (en) | Ground connection system that hinders falls in electric power lightning protection | |
| CN201280826Y (en) | Lightning protection cement pole | |
| CN218386724U (en) | Comprehensive lightning protection device | |
| CN215107820U (en) | Lead, direct current earthing pole circuit tangent tower that ground wire combines | |
| CN205646747U (en) | 800 kilovolt direct current line gap installation device | |
| CN205140662U (en) | Arrester of external series gap | |
| CN203826907U (en) | Full-coverage overhead transmission line lightning protection apparatus | |
| CN211350239U (en) | Power distribution insulator capable of suppressing overvoltage | |
| CN210577338U (en) | Lightning protection device of power transmission and transformation station | |
| CN206625640U (en) | Lightning protection electric pole | |
| CN201466619U (en) | Gap lightning protection device | |
| CN105762753A (en) | +/-800kV DC line arrester installing device and method | |
| CN215185797U (en) | Ground connection downlead device of lightning conductor | |
| CN213144026U (en) | Lightning-proof telegraph pole | |
| CN114336179B (en) | Lightning-proof broken line protection device for shielding, insulating and isolating 10kV overhead insulated line | |
| Guo et al. | Lightning overvoltage protection of 35kV collector lines in wind farms | |
| CN203352118U (en) | Lightning protection device of overhead transmission line | |
| CN215896080U (en) | Lightning protection device for power distribution network line | |
| CN207165777U (en) | A kind of earthing pole of the high grounded capacity of Anti-theft | |
| CN202309001U (en) | Non-contact power transmission and distribution line lightning protection apparatus | |
| CN212624822U (en) | Novel overhead transmission line lightning conductor | |
| CN203632182U (en) | Lightning protection device of 20kV overhead line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220830 |