CN116093875A - Adjustable gap lightning protection device for power system distribution line - Google Patents
Adjustable gap lightning protection device for power system distribution line Download PDFInfo
- Publication number
- CN116093875A CN116093875A CN202211701234.XA CN202211701234A CN116093875A CN 116093875 A CN116093875 A CN 116093875A CN 202211701234 A CN202211701234 A CN 202211701234A CN 116093875 A CN116093875 A CN 116093875A
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- lightning protection
- rod
- distribution line
- power system
- protection device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/40—Connection to earth
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- 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
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- Elimination Of Static Electricity (AREA)
Abstract
A adjustable clearance lightning protection device for electric power system distribution lines relates to electric power safety technical field. The utility model aims to solve the problems that the weight of a circuit is increased and a wire can shake under the condition of wind caused by the lightning protection mode of the traditional lightning protection device. According to the adjustable gap lightning protection device for the power system distribution line, the outer surface of the cross arm is provided with the sliding groove along the axial direction of the cross arm, the sliding groove is internally and slidably matched with the sliding block, the position of the sliding block in the sliding groove is limited by the limiting structure, and the position of the sliding block protruding out of the sliding groove is provided with the first rod body; the lightning protection conductive assembly is provided with a bump, one side of the bump is provided with a second rod body, a rotating rod is arranged between the first rod body and the second rod body, and two ends of the rotating rod are respectively hinged with the free ends of the first rod body and the second rod body. According to the utility model, the lightning-protection conductive assembly is fixed while the position of the lightning-protection conductive assembly is adjustable, so that the influence of wind power on the lightning-protection conductive assembly and a wire is reduced, and the stability of the device is improved.
Description
Technical Field
The utility model belongs to the technical field of electric power safety, and particularly relates to a structure of a lightning protection device.
Background
Distribution lines in power systems typically pass through open field areas, which are prone to lightning strikes, thereby causing accidents in the power systems. For this reason, some lightning protection devices, such as CN 201478768U, entitled "lightning protection device with adjustable gap for distribution line of electric power system" have been invented. The utility model discloses an adjustable clearance lightning protection device for distribution lines of electric power system, it comprises fixed fitting, wiring ball electrode, ground ball electrode and adjustable fixed bolster, fixed fitting centre gripping is fixed in on the wire of distribution lines and with wiring ball electrode welding, wiring ball electrode switches on through fixed fitting and the wire of distribution lines, ground ball electrode supports on the cross arm of distribution lines shaft tower and keeps ground through adjustable fixed bolster, wiring ball electrode and ground ball electrode are placed relatively and are equipped with clearance m between the two, clearance m is shorter than the length j of insulator chain. The size of the gap between the wiring spherical electrode and the grounding spherical electrode can be adjusted, so that the gap size failure caused by the change of the operation working condition of the insulator is avoided, the gap adopts the spherical gap, the dispersion of the lightning breakdown discharge voltage of the spherical gap discharge is small, and the lightning protection device has the advantages of good lightning protection effect, wide application range, simple structure, low cost and convenience in maintenance.
However, these existing gap lightning protection devices only use a method of reinforcing insulation and installing a line lightning arrester, which generally results in an increase in weight of the line, and in the presence of wind, may shake the wire, thereby affecting the lightning protection effect.
Disclosure of Invention
The utility model aims to solve the problems that the weight of a line is increased and a wire can shake under the condition of wind caused by the lightning protection mode of the traditional lightning protection device, and provides an adjustable gap lightning protection device for a power system distribution line.
The gap-adjustable lightning protection device for the distribution line of the power system is characterized in that a wire 1 of the distribution line is erected on a cross arm 3 of a tower of the distribution line through an insulator chain 2, a lightning protection grounding assembly is arranged on the cross arm 3, and a lightning protection conductive assembly is arranged on the wire 1;
the outer surface of the cross arm 3 is provided with a sliding groove 17 along the axial direction, the sliding groove 17 is in sliding fit with a sliding block 18, the sliding block 18 is limited in the position in the sliding groove 17 through a limiting structure, and a first rod body 4 is arranged at the position of the sliding block 18 protruding out of the sliding groove 17;
the lightning protection conductive assembly is provided with a bump 24, one side of the bump 24 is provided with a second rod body 21, a rotating rod 22 is arranged between the first rod body 4 and the second rod body 21, and two ends of the rotating rod 22 are respectively hinged with the free ends of the first rod body 4 and the second rod body 21.
Further, the above-mentioned limit structure includes: a slide 19, a latch 20 and a plurality of limiting apertures 16,
the sliding plate 19 is arranged between the sliding block 18 and the first rod body 4, the limiting holes 16 are uniformly distributed along the length direction of the sliding groove 17, the sliding plate 19 is provided with a bolt hole, and the bolt 20 penetrates through the bolt hole and extends into the limiting holes 16 to position the sliding block 18.
Further, the bump 24, the rotating rod 22, the first rod 4 and the second rod 21 are all insulators.
Further, the lightning grounding assembly includes: a fixed plate 9, a supporting frame 10, a supporting plate 11, a motor 12, a cylinder 13, a screw 14 and a grounding spherical electrode 15,
the support frame 10 passes through fixed plate 9 with cross arm 3 surface fixed connection, backup pad 11 is fixed cross arm 3 surface, motor 12 is fixed on the backup pad 11, motor 12's output with barrel 13's one end is connected, and can drive barrel 13 is rotatory, barrel 13 inside wall is equipped with the screw thread, screw rod 14 one end is located barrel 13 is inside and with barrel 13 threaded connection, the screw rod 14 other end pass support frame 10 and with ground connection spherical electrode 15 fixed connection, screw rod 14 lateral wall is equipped with axial spacing groove, be equipped with on the support frame 10 can with the fixture block of spacing groove looks gomphosis.
Further, the support frame 10 and the support plate 11 are disposed parallel to each other.
Further, the lightning protection conductive assembly includes: a first bow-shaped clamp plate 5, a second bow-shaped clamp plate 6, an electrode connecting rod 7, a wiring ball electrode 8 and a screw rod 23,
the first and second arched clamping plates 5 and 6 are clamped at both sides of the wire 1 and are connected with each other by a screw rod 23, so that the wire 1 is in sliding fit with the first and second arched clamping plates 5 and 6,
one end of the electrode connecting rod 7 is fixed on the second bow-shaped clamping plate 6, the other end of the electrode connecting rod 7 is fixedly connected with the wiring spherical electrode 8, and a gap is reserved between the wiring spherical electrode 8 and the grounding spherical electrode 15.
Further, the above-mentioned wiring ball electrode 8 and the above-mentioned grounding ball electrode 15 are both rust-preventive ball electrodes.
The utility model has the following beneficial effects:
according to the adjustable gap lightning protection device for the distribution line of the power system, the position of the lightning protection conductive assembly is adjustable through the sliding block and the rotating rod, the lightning protection conductive assembly is fixed, the influence of wind power on the lightning protection conductive assembly and the lead is reduced, the stability of the device is improved, the lightning protection effect is improved, the lightning protection grounding assembly is convenient to adjust the gap, absorbed lightning is conducted to the ground through the transverse column, the application range of the device is enlarged, and the device is simple in structure, low in cost and convenient to maintain.
Drawings
FIG. 1 is a schematic diagram of an upper side view of an adjustable gap lightning protection device for a power system distribution line according to the present utility model;
FIG. 2 is a schematic diagram of the front view of the gap-adjustable lightning protection device for a distribution line of an electric power system according to the present utility model;
FIG. 3 is a schematic view of a cross-sectional structure of a cross-column;
fig. 4 is a schematic diagram of a vertical cross-section structure of the lightning conductive assembly.
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. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The first embodiment is as follows: referring to fig. 1 to 4 for specifically explaining the present embodiment, the embodiment is a lightning protection device with adjustable gaps for a distribution line of a power system, a wire 1 of the distribution line is erected on a cross arm 3 of a tower of the distribution line through an insulator string 2, a lightning protection grounding component is arranged on the cross arm 3, and a lightning protection conductive component is arranged on the wire 1.
The outer surface of the cross arm 3 is provided with a sliding groove 17 along the axial direction, the sliding groove 17 is in sliding fit with a sliding block 18, the sliding block 18 is limited in the position in the sliding groove 17 through a limiting structure, and a first rod body 4 is arranged at the position of the sliding block 18 protruding out of the sliding groove 17;
the lightning protection conductive assembly is provided with a bump 24, one side of the bump 24 is provided with a second rod body 21, a rotating rod 22 is arranged between the first rod body 4 and the second rod body 21, and two ends of the rotating rod 22 are respectively hinged with the free ends of the first rod body 4 and the second rod body 21.
The limit structure comprises: the sliding plate 19, the bolt 20 and a plurality of spacing hole 16, the sliding plate 19 sets up between slider 18 and first body of rod 4, a plurality of spacing holes 16 are followed spout 17 length direction is even arranges, opens the bolt hole on the sliding plate 19, the bolt 20 passes the bolt hole and stretches into spacing hole 16 and fix a position slider 18.
The bump 24, the rotating rod 22, the first rod body 4 and the second rod body 21 are all insulators.
In practical use, the lightning protection conductive assembly is firstly installed on the lead 1, and then the rotating rod 22 is respectively installed at one ends of the first rod body 4 and the second rod body 21, and it is required to be noted that one ends of the first rod body 4 and the second rod body 21 are located on the same horizontal line. At this time, through reciprocate slider 18 and slide 19 to fix slide 19 through the bayonet 20, the position of adjustable lightning protection conductive component on wire 1, and through the linking of bull stick 22, can reduce wind-force to the influence of lightning protection conductive component and wire 1, increased device stability, promoted lightning protection effect. One side of the sliding plate 19 is movably connected with a bolt 20 which is in sliding fit with the limiting hole 16, and the sliding plate 19 and the sliding block 18 can be fixed through the bolt 20, so that the stability of the device is improved.
Preferably, the lightning grounding assembly comprises: the device comprises a fixed plate 9, a support frame 10, a support plate 11, a motor 12, a cylinder 13, a screw 14 and a grounding spherical electrode 15.
The support frame 10 passes through fixed plate 9 with cross arm 3 surface fixed connection, backup pad 11 is fixed cross arm 3 surface, motor 12 is fixed on the backup pad 11, motor 12's output with barrel 13's one end is connected, and can drive barrel 13 is rotatory, barrel 13 inside wall is equipped with the screw thread, screw rod 14 one end is located barrel 13 is inside and with barrel 13 threaded connection, the screw rod 14 other end pass support frame 10 and with ground connection spherical electrode 15 fixed connection, screw rod 14 lateral wall is equipped with axial spacing groove, be equipped with on the support frame 10 can with the fixture block of spacing groove looks gomphosis. The support frame 10 and the support plate 11 are arranged parallel to each other.
The grounded ball electrode 15 is supported on the cross column 3 through a support frame 10 and keeps grounded, the motor 12 drives the cylinder 13 to rotate with the shaft, and the screw 14 is limited by a clamping block and cannot rotate, so that the up-and-down movement is realized. The screw 14 moves up and down in the cylinder 13, so that the position of the ground ball electrode 15 can be conveniently adjusted.
Preferably, the lightning protection conductive assembly includes: a first bow-shaped clamp plate 5, a second bow-shaped clamp plate 6, an electrode connecting rod 7, a wiring ball electrode 8 and a screw rod 23.
The first and second bow- shaped splints 5 and 6 are held on both sides of the wire 1 and are connected to each other by a lead screw 23 so that the wire 1 is in sliding fit with the first and second bow- shaped splints 5 and 6.
One end of the electrode connecting rod 7 is fixed on the second bow-shaped clamping plate 6, the other end of the electrode connecting rod 7 is fixedly connected with the wiring spherical electrode 8, and a gap is reserved between the wiring spherical electrode 8 and the grounding spherical electrode 15.
The wiring spherical electrode 8 and the grounding spherical electrode 15 are both rust-proof spherical electrodes.
The wiring spherical electrode 8 is electrically connected with the lead 1 through the electrode connecting rod 7, the first arched clamp plate 5 and the second arched clamp plate 6 can be clamped with the lead 1 through the screw rod 23, and the first arched clamp plate 5 and the second arched clamp plate 6 can move on the lead 1, so that the left and right positions of the wiring spherical electrode 8 can be conveniently adjusted, and the size of a gap can be adjusted.
This embodiment plays fixed action to lightning protection conductive component when adjustable lightning protection conductive component position, reduces wind-force to lightning protection conductive component and wire 1's influence, has increased device stability, has promoted lightning protection effect. Through lightning grounding assembly, when can be convenient for adjust the clearance size, pass through the diaphragm 3 conduction to ground with absorbing thunder and lightning, increased the application scope of device, and simple structure, low cost, maintenance convenience.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present utility model. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present utility model as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (7)
1. The gap-adjustable lightning protection device for the distribution line of the power system is characterized in that a wire (1) of the distribution line is erected on a cross arm (3) of a pole tower of the distribution line through an insulator string (2), a lightning protection grounding assembly is arranged on the cross arm (3), and a lightning protection conductive assembly is arranged on the wire (1);
the cross arm is characterized in that a sliding groove (17) is formed in the outer surface of the cross arm (3) along the axial direction of the cross arm, a sliding block (18) is slidably matched with the sliding groove (17), the sliding block (18) is limited in the position in the sliding groove (17) through a limiting structure, and a first rod body (4) is arranged at the position, protruding out of the sliding groove (17), of the sliding block (18);
be equipped with lug (24) on the lightning protection conductive component, lug (24) one side is equipped with second body of rod (21), is provided with bull stick (22) between first body of rod (4) and the second body of rod (21), the both ends of bull stick (22) are articulated each other with the free end of first body of rod (4) and second body of rod (21) respectively.
2. The adjustable gap lightning protection device for a power system distribution line of claim 1, wherein the limit structure comprises: a slide plate (19), a bolt (20) and a plurality of limiting holes (16),
the sliding plate (19) is arranged between the sliding block (18) and the first rod body (4), the limiting holes (16) are uniformly distributed along the length direction of the sliding groove (17), pin holes are formed in the sliding plate (19), and the pins (20) penetrate through the pin holes and extend into the limiting holes (16) to position the sliding block (18).
3. The adjustable gap lightning protection device for a power system distribution line according to claim 1 or 2, wherein the bump (24), the rotating rod (22), the first rod body (4) and the second rod body (21) are insulators.
4. An adjustable gap lightning protection device for a power system distribution line according to claim 3 wherein said lightning grounding assembly comprises: a fixed plate (9), a supporting frame (10), a supporting plate (11), a motor (12), a cylinder (13), a screw (14) and a grounding spherical electrode (15),
support frame (10) pass through fixed plate (9) with cross arm (3) surface fixed connection, backup pad (11) are fixed cross arm (3) surface, motor (12) are fixed on backup pad (11), the output of motor (12) with the one end of barrel (13) is connected, and can drive barrel (13) are rotatory, barrel (13) inside wall is equipped with the screw thread, screw rod (14) one end is located barrel (13) inside and with barrel (13) threaded connection, the screw rod (14) other end pass support frame (10) and with ground connection spherical electrode (15) fixed connection, screw rod (14) lateral wall is equipped with axial spacing groove, be equipped with on support frame (10) fixture block that can gomphosis with the spacing groove mutually.
5. The adjustable gap lightning protection device for a power system distribution line according to claim 4, characterized in that the support frame (10) and the support plate (11) are arranged parallel to each other.
6. The adjustable gap lightning protection device for a power system distribution line of claim 4, wherein the lightning protection conductive assembly comprises: the first bow-shaped clamp plate (5), the second bow-shaped clamp plate (6), an electrode connecting rod (7), a wiring spherical electrode (8) and a screw rod (23),
the first arched clamp plate (5) and the second arched clamp plate (6) are clamped on two sides of the lead (1) and are connected with each other through screw rods (23) so that the lead (1) is in sliding fit with the first arched clamp plate (5) and the second arched clamp plate (6),
one end of the electrode connecting rod (7) is fixed on the second bow-shaped clamping plate (6), the other end of the electrode connecting rod (7) is fixedly connected with the wiring spherical electrode (8), and a gap is reserved between the wiring spherical electrode (8) and the grounding spherical electrode (15).
7. The adjustable gap lightning protection device for a power system distribution line according to claim 6, wherein the wiring ball electrode (8) and the grounding ball electrode (15) are both rust-proof ball electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211701234.XA CN116093875A (en) | 2022-12-28 | 2022-12-28 | Adjustable gap lightning protection device for power system distribution line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211701234.XA CN116093875A (en) | 2022-12-28 | 2022-12-28 | Adjustable gap lightning protection device for power system distribution line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116093875A true CN116093875A (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211701234.XA Pending CN116093875A (en) | 2022-12-28 | 2022-12-28 | Adjustable gap lightning protection device for power system distribution line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116093875A (en) |
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2022
- 2022-12-28 CN CN202211701234.XA patent/CN116093875A/en active Pending
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