CN112531465A - Lightning arrester for power equipment - Google Patents
Lightning arrester for power equipment Download PDFInfo
- Publication number
- CN112531465A CN112531465A CN202011210909.1A CN202011210909A CN112531465A CN 112531465 A CN112531465 A CN 112531465A CN 202011210909 A CN202011210909 A CN 202011210909A CN 112531465 A CN112531465 A CN 112531465A
- Authority
- CN
- China
- Prior art keywords
- grounding
- lightning
- rod
- lightning arrester
- wire
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
- H01C7/112—ZnO type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- 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
-
- 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
Abstract
The invention belongs to the technical field of lightning arresters, and particularly relates to a lightning arrester for power equipment; the lightning arrester mainly comprises a lightning arrester module, a grounding module and an overvoltage protection module, wherein the lightning arrester module comprises a lightning arrester vertical rod, a lightning arrester, a first lightning arrester ball, a second lightning arrester ball and a third lightning arrester ball; the grounding module mainly comprises a grounding plate, a grounding rod and a hemispherical grounding electrode, wherein a lightning receptor connecting pipe is arranged on the top surface of the grounding plate and is connected with a lightning receptor vertical rod, a grounding wire connecting rod is also arranged on the top surface of the grounding plate, a grounding wire clamp is connected onto the grounding wire connecting rod, a base is arranged outside the grounding plate and provides support for the lightning strike module; two sets of lightning arrester protection devices are arranged in the overvoltage protection module, each lightning arrester protection device comprises a supporting seat, a lightning arrester mounting bracket, a lightning arrester and a disconnector, and the two sets of lightning arrester protection devices are electrically connected in parallel; the lightning protection device is convenient to install and maintain, can adapt to various electric power equipment and related projects, and can provide effective lightning protection for the electric power equipment from multiple aspects.
Description
Technical Field
The invention belongs to the technical field of lightning arresters, and particularly relates to a lightning arrester for power equipment.
Background
In the use process of electric equipment, such as a generator, a transformer, a gas turbine, a water turbine, a power station boiler and the like, attention needs to be paid to lightning protection, and particularly, the protection measures for direct lightning strike, inductive lightning and the like are strengthened for the electric equipment which is located in areas with higher terrain than surrounding areas and strong lightning activity, such as mountainous areas and the like; the existing lightning arrester is mostly suitable for new projects or equipment, and needs to be implemented in the initial civil engineering planning and construction stage, and for related reconstruction projects, large-specification civil engineering construction is not carried out, and only a small amount of related equipment or lightning protection projects are reconstructed, so that the lightning arrester cannot be well adapted; the existing lightning arrester only protects the power equipment from direct lightning, inductive lightning, lightning invasion waves or misoperation overvoltage and the like from a certain aspect, but cannot integrally combine the existing theory to protect the power equipment from lightning protection from multiple aspects; the existing lightning arrester is closely combined with equipment, and the existing lightning arrester is inconvenient to overhaul or replace.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the lightning arrester for the electric power equipment, which has the advantages of reasonable structure, convenience in arrangement and use, strong adaptability and capability of providing effective lightning protection for the electric power equipment from multiple aspects.
The purpose of the invention is realized as follows: the utility model provides a power equipment lightning arrester, it is including lightning-induced module, ground module, overvoltage protection module, the lightning-induced module is including the arrester pole setting, the first connecting plate of arrester pole setting top fixedly connected with, first connecting plate is connected with the second connecting plate, first connecting plate with the second connecting plate passes through connecting bolt and connects, second connecting plate top surface fixedly connected with lightning rod, be provided with first lightning-induced ball, second lightning-induced ball, third lightning-induced ball on the lightning rod, first lightning-induced ball second lightning-induced ball third lightning-induced ball middle part all is provided with the lightning-induced needle.
The grounding module comprises a base, the lower part of the middle part of the base is positioned below the ground, a grounding plate is arranged in the base, a lightning arrester adapter tube is arranged in the middle of the top surface of the grounding plate, a locking bolt is arranged on the right side of the upper part of the lightning arrester adapter tube, a grounding wire connecting rod is fixedly arranged on the top surface of the grounding plate, a first grounding wire clamp is fixedly connected to the top of one grounding wire connecting rod, the first grounding wire clamp is connected with an equipment grounding wire, and a second grounding wire clamp is fixedly connected to the top of one grounding; the ground plate is characterized in that a first grounding rod is fixedly connected to the middle of the bottom surface of the ground plate, a second grounding rod is connected to the first grounding rod, a third grounding rod is connected to the second grounding rod, and a hemisphere grounding electrode is fixedly connected to the third grounding rod.
The overvoltage protection module comprises a module frame, two sets of lightning arrester protection devices are arranged in the module frame, each lightning arrester protection device comprises a supporting seat, the supporting seats are fixedly arranged on the inner bottom surface of the module frame, each supporting seat is fixedly connected with a lightning arrester mounting support, each lightning arrester mounting support is fixedly connected with one end of a lightning arrester, one end of each lightning arrester is connected with a second connecting wire, each second connecting wire is connected with a first connecting wire clamp, and each first connecting wire clamp is fixedly connected to the module frame; the other end of the lightning arrester is connected with a disconnector, the disconnector is connected with a third connecting wire, the third connecting wire is connected with a second connecting wire clamp, and the second connecting wire clamp is fixedly connected to the module frame; the left side outside the module frame is provided with a ground wire jointing clamp, the first jointing clamp is electrically connected with the ground wire jointing clamp through a connecting wire arranged in the module frame, the ground wire jointing clamp is connected with one end of a first connecting wire, and the other end of the first connecting wire is connected with the second ground wire clamp; the outside right side of module frame is provided with the phase line binding clip, the second connecting wire clamp passes through set up in the module frame connecting wire with the phase line binding clip electricity is connected, the phase line binding clip is connected with the one end of fourth connecting wire.
One end of the equipment grounding wire is connected with a shell of power equipment to be protected, the other end of the equipment grounding wire is connected with first ground wire clamps, the number of the equipment grounding wires can be set to be 1-4 according to the size of the power equipment to be protected, and the number of the first ground wire clamps is consistent with that of the equipment grounding wires.
The other end of the fourth connecting wire is electrically connected with phase lines of the electric power equipment to be protected, and the number of the overvoltage protection modules is the same as that of the phase lines of the electric power equipment to be protected.
The hemisphere grounding electrode comprises a hemisphere grounding electrode main body, one end of a third grounding rod is inserted into the hemisphere grounding electrode main body, a rod-shaped grounding electrode is arranged in the portion, inserted into the hemisphere grounding electrode main body, of the third grounding rod, and a needle-shaped grounding electrode is arranged in the hemisphere grounding electrode main body.
The hemisphere earthing pole main part is the hemisphere, hemisphere earthing pole main part material is the concrete, evenly thoughtlessly there is carbonaceous fibre in the concrete of hemisphere earthing pole main part.
The second earth bar is including first connector, first earth bar pole and second connector, first connector with the second connector cross-section is the cross.
The third ground rod comprises a third connector and a second ground rod, and a cross-shaped groove matched with the first connector and the second connector is formed in the third connector.
The first ground wire clamp comprises a first clamping plate and a second clamping plate, an arc-shaped groove is formed in the middle of the first clamping plate and the middle of the second clamping plate, and the first clamping plate and the second clamping plate are connected through a wire clamp fastening bolt.
The lightning arrester is a zinc oxide lightning arrester, and the disconnector is a TLB thermal explosion disconnector.
The invention has the beneficial effects that: the lightning protection device mainly comprises a lightning module, a grounding module and an overvoltage protection module which are arranged beside the power equipment to be protected in a short distance, so that better lightning protection is provided for the power equipment; the lightning triggering module mainly comprises a lightning receptor vertical rod, a lightning rod, a first lightning triggering ball, a second lightning triggering ball and a third lightning triggering ball, the lightning receptor vertical rod and the lightning rod can be connected through a first connecting plate, a second connecting plate and a connecting bolt, the assembly and disassembly of the device are facilitated, the whole lightning rod is conical, the top of the lightning rod is a pointed end, three lightning triggering balls are arranged on the lightning rod, each lightning triggering ball is provided with a lightning triggering rod, the lightning triggering rods are matched with one another, the protection radius of the lightning triggering module can be effectively improved, and more effective direct lightning protection is provided for power equipment;
the grounding module mainly comprises a grounding plate, a grounding rod and a hemispherical grounding electrode, wherein a lightning receptor connecting pipe is arranged on the top surface of the grounding plate and is connected with a lightning receptor upright rod, so that direct lightning guided by the lightning guiding module can be guided into the ground through the grounding plate, the grounding rod and the hemispherical grounding electrode; the top surface of the grounding plate is also provided with a grounding wire connecting rod, a grounding wire clamp is connected on the grounding wire connecting rod, and a grounding wire is connected on the grounding wire clamp, so that electricity on the power equipment can be led into the ground through the grounding plate, the grounding rod and the hemispherical grounding electrode, and the power equipment is prevented from being damaged by accidental electrification; the grounding plate is positioned below the ground, and a base is arranged outside the grounding plate and can provide protection for the grounding plate and support for the lightning strike module;
the overvoltage protection module mainly comprises a module frame, two sets of lightning arrester protection devices are arranged in the module frame, the lightning arrester protection devices are supported by a supporting seat and a lightning arrester mounting bracket, a lower wiring end of each lightning arrester is connected with a first connecting clamp through a second connecting wire, an upper wiring end of each lightning arrester is connected with a disconnector, and the disconnector is connected with a second connecting clamp through a third connecting wire; the two sets of lightning arrester protection devices are electrically connected in parallel, wherein first connecting clamps of the two sets of lightning arrester protection devices are connected with ground wire connecting clamps through connecting wires arranged in the module frame, and second connecting clamps of the two sets of lightning arrester protection devices are connected with phase wire connecting clamps through connecting wires arranged in the module frame; the lightning arrester is triggered to work when overvoltage passes through the equipment phase line, and the overvoltage on the equipment is led into the ground through the ground wire clamp and the ground wire connecting rod; when the lightning arrester normally works, the disconnector is normally connected with the lightning arrester, and when a certain lightning arrester is damaged, the disconnector corresponding to the lightning arrester is disconnected from the lightning arrester, so that the normal work of the overvoltage protection module is ensured, and the overvoltage protection effect of the device on power equipment can be effectively improved;
the lightning protection device is reasonable in structure and convenient to install and maintain, can adapt to various electric power equipment and related projects, and can provide effective lightning protection for the electric power equipment from multiple aspects.
Drawings
Fig. 1 is a schematic front view of a lightning arrester of an electrical equipment according to the present invention.
Fig. 2 is a schematic structural diagram of an overvoltage protection module of a lightning arrester of an electrical device according to the invention.
Fig. 3 is a schematic cross-sectional structural view of a hemispherical ground electrode of a lightning arrester of an electrical equipment according to the invention.
Fig. 4 is a schematic front view of a second ground rod of a lightning arrester of an electric power device according to the invention.
Fig. 5 is a schematic structural diagram of a direction a-a of a second ground rod of the lightning arrester of the power equipment according to the invention.
Fig. 6 is a schematic front view of a third ground rod of a lightning arrester of an electric power device according to the invention.
Fig. 7 is a structural schematic diagram of a lightning arrester of an electric power device in the direction of a third ground rod B-B according to the invention.
Fig. 8 is a schematic structural view of an acicular earth electrode of the lightning arrester of the power equipment.
Fig. 9 is a schematic front view of a first lightning guiding ball of the lightning arrester of the power equipment according to the invention.
Fig. 10 is a schematic top view of a first lightning guiding ball of a lightning arrester of an electrical device according to the invention.
Fig. 11 is a schematic front view of a first ground wire clamp of a lightning arrester of an electric power device according to the invention.
Fig. 12 is a left side view structural diagram of a first ground wire clamp of a lightning arrester of an electric power equipment according to the invention.
In the figure: 1. the lightning arrester comprises a base 2, an equipment ground wire 3, a first ground wire clamp 3-1, a first clamping plate 3-2, a second clamping plate 3-3, a wire clamp fastening bolt 4, a lightning arrester connecting pipe 5, a lightning arrester vertical rod 6, a first connecting plate 7, a second connecting plate 8, a connecting bolt 9, a lightning rod 10, a first lightning ball 11, a lightning rod 12, a locking bolt 13, a ground wire connecting rod 14, a second ground wire clamp 15, an overvoltage protection module 15-1, a ground wire connecting clamp 15-2, a first connecting wire 15-3, a lightning arrester mounting bracket 15-4, a second connecting wire 15-5, a first connecting clamp 15-6, a supporting seat 15-7, a lightning arrester 15-8, a disconnector 15-9, a second connecting wire clamp 15-10, a lightning arrester mounting bracket 15-4, The lightning protection device comprises a third connecting wire 15-11, a phase wire binding clip 15-12, a fourth connecting wire 15-13, a module frame 16, a ground 17, a ground plate 18, a first grounding rod 19, a second grounding rod 19-1, a first connector 19-2, a first grounding rod 19-3, a second connector 20, a third grounding rod 20-1, a third connector 20-2, a second grounding rod 21, a hemispherical grounding electrode 21-1, a hemispherical grounding electrode 21-2, a rod-shaped grounding electrode 21-3, a needle-shaped grounding electrode 22, a second lightning guiding ball 23 and a third lightning guiding ball.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-12, a lightning arrester of power equipment, it includes lightning guiding module, ground module, overvoltage protection module 15, lightning guiding module includes lightning arrester pole setting 5, first connecting plate 6 of 5 top fixedly connected with of lightning arrester pole setting, first connecting plate 6 is connected with second connecting plate 7, first connecting plate 6 with second connecting plate 7 passes through connecting bolt 8 and connects, second connecting plate 7 top surface fixedly connected with lightning rod 9, be provided with first lightning guiding ball 10, second lightning guiding ball 22, third lightning guiding ball 23 on the lightning rod 9, first lightning guiding ball 10, second lightning guiding ball 22, third lightning guiding ball 23 middle part all is provided with lightning guiding rod 11.
The grounding module comprises a base 1, the position below the middle of the base 1 is below a ground surface 16, a grounding plate 17 is arranged inside the base 1, a lightning arrester adapter tube 4 is arranged in the middle of the top surface of the grounding plate 17, a locking bolt 12 is arranged on the right side of the upper part of the lightning arrester adapter tube 4, a ground wire connecting rod 13 is fixedly arranged on the top surface of the grounding plate 17, a first ground wire clamp 3 is fixedly connected to the top of one ground wire connecting rod 13, the first ground wire clamp 3 is connected with an equipment ground wire 2, and a second ground wire clamp 14 is fixedly connected to the top of one ground wire connecting; the middle part of the bottom surface of the grounding plate 17 is fixedly connected with a first grounding rod 18, the first grounding rod 18 is connected with a second grounding rod 19, the second grounding rod 19 is connected with a third grounding rod 20, and the third grounding rod 20 is fixedly connected with a hemispherical grounding electrode 21.
The overvoltage protection module 15 comprises a module frame 15-13, two sets of lightning arrester protection devices are arranged in the module frame 15-13, each lightning arrester protection device comprises a supporting seat 15-6, the supporting seat 15-6 is fixedly arranged on the bottom surface of the inside of the module frame 15-13, the supporting seat 15-6 is fixedly connected with a lightning arrester mounting bracket 15-3, the lightning arrester mounting bracket 15-3 is fixedly connected with one end of a lightning arrester 15-7, one end of the lightning arrester 15-7 is connected with a second connecting wire 15-4, the second connecting wire 15-4 is connected with a first connecting wire clamp 15-5, and the first connecting wire clamp 15-5 is fixedly connected to the module frame 15-13; the other end of the lightning arrester 15-7 is connected with a disconnector 15-8, the disconnector 15-8 is connected with a third connecting wire 15-10, the third connecting wire 15-10 is connected with a second connecting wire clamp 15-9, and the second connecting wire clamp 15-9 is fixedly connected to the module frame 15-13; a ground wire jointing clamp 15-1 is arranged on the left side outside the module frame 15-13, the first jointing clamp 15-5 is electrically connected with the ground wire jointing clamp 15-1 through a connecting wire arranged in the module frame 15-13, the ground wire jointing clamp 15-1 is connected with one end of a first connecting wire 15-2, and the other end of the first connecting wire 15-2 is connected with the second ground wire clamp 14; a phase line clamp 15-11 is arranged on the right side outside the module frame 15-13, the second connecting line clamp 15-9 is electrically connected with the phase line clamp 15-11 through a connecting wire arranged in the module frame 15-13, and the phase line clamp 15-11 is connected with one end of a fourth connecting line 15-12.
The lightning protection device mainly comprises a lightning module, a grounding module and an overvoltage protection module 15 which are arranged beside the power equipment to be protected in a short distance, so that better lightning protection is provided for the power equipment; lightning strike module is main including arrester pole setting 5, lightning rod 9, first lightning strike ball 10, second lightning strike ball 22, third lightning strike ball 23, arrester pole setting 5 and the first connecting plate 6 of lightning rod 9 accessible, second connecting plate 7 and connecting bolt 8 are connected, the equipment and the dismantlement of the device of being convenient for, lightning rod 9 is whole to be the toper, the top is most advanced, be provided with three lightning strike ball on the lightning rod 9, all be provided with lightning strike needle 11 on every lightning strike ball, mutually support between them, can effectively improve the protection radius of lightning strike module, provide more effective direct lightning strike protection for power equipment.
The grounding module mainly comprises a grounding plate 17, a grounding rod and a hemispherical grounding electrode 21, wherein a lightning receptor connecting pipe 4 is arranged on the top surface of the grounding plate 17, the lightning receptor connecting pipe 4 is connected with a lightning receptor upright rod 5, and direct lightning guided by the lightning guiding module can be guided into the ground through the grounding plate 17, the grounding rod and the hemispherical grounding electrode 21; the top surface of the grounding plate 17 is also provided with a grounding wire connecting rod 13, the grounding wire connecting rod 13 is connected with a grounding wire clamp, and the grounding wire clamp is connected with a grounding wire, so that electricity on the power equipment can be guided into the ground through the grounding plate 17, the grounding rod and the hemispherical grounding electrode 21, and the power equipment is prevented from being damaged by accidental electrification; the ground plate 17 is positioned below the ground 16, and the base 1 is arranged outside the ground plate 17 and can provide protection for the ground plate 17 and support for the lightning guiding module.
The overvoltage protection module 15 mainly comprises a module frame 15-13, two sets of lightning arrester protection devices are arranged in the module frame, the lightning arrester protection devices are supported by a supporting seat 15-6 and a lightning arrester mounting bracket 15-3, the lower terminal of the lightning arrester 15-7 is connected with a first connecting clamp 15-5 through a second connecting wire 15-4, the upper terminal of the lightning arrester 15-7 is connected with a disconnector 15-8, and the disconnector 15-8 is connected with a second connecting clamp 15-9 through a third connecting wire 15-10; the two sets of lightning arrester protection devices are electrically connected in parallel, wherein a first connecting clamp 15-5 of the two sets of lightning arrester protection devices is connected with a ground wire connecting clamp 15-1 through a connecting wire arranged in a module frame 15-13, and a second connecting clamp 15-9 of the two sets of lightning arrester protection devices is connected with a phase wire connecting clamp 15-11 through a connecting wire arranged in the module frame 15-13; the first connecting wire 15-2 is connected with the second ground wire clamp 14 and the ground wire clamp 15-1, the fourth connecting wire 15-12 is connected with the phase wire and the phase wire clamp 15-11 of the equipment, when the equipment works normally, the lightning arrester 15-7 is in an open circuit state, when overvoltage passes through the phase wire of the equipment, the lightning arrester 15-7 is triggered to work, and the overvoltage on the equipment is led into the ground through the ground wire clamp 15-1 and the ground wire connecting rod 13; when the lightning arresters 15-7 work normally, the disconnectors 15-8 are connected with the lightning arresters 15-7 normally, and when one lightning arrester 15-7 is damaged, the corresponding disconnector 15-8 is disconnected with the lightning arrester, so that the normal work of the overvoltage protection module is ensured, and the overvoltage protection effect of the device on power equipment can be effectively improved.
Example 2
As shown in fig. 1-12, a lightning arrester of power equipment, it includes lightning guiding module, ground module, overvoltage protection module 15, lightning guiding module includes lightning arrester pole setting 5, first connecting plate 6 of 5 top fixedly connected with of lightning arrester pole setting, first connecting plate 6 is connected with second connecting plate 7, first connecting plate 6 with second connecting plate 7 passes through connecting bolt 8 and connects, second connecting plate 7 top surface fixedly connected with lightning rod 9, be provided with first lightning guiding ball 10, second lightning guiding ball 22, third lightning guiding ball 23 on the lightning rod 9, first lightning guiding ball 10, second lightning guiding ball 22, third lightning guiding ball 23 middle part all is provided with lightning guiding rod 11.
The grounding module comprises a base 1, the position below the middle of the base 1 is below a ground surface 16, a grounding plate 17 is arranged inside the base 1, a lightning arrester adapter tube 4 is arranged in the middle of the top surface of the grounding plate 17, a locking bolt 12 is arranged on the right side of the upper part of the lightning arrester adapter tube 4, a ground wire connecting rod 13 is fixedly arranged on the top surface of the grounding plate 17, a first ground wire clamp 3 is fixedly connected to the top of one ground wire connecting rod 13, the first ground wire clamp 3 is connected with an equipment ground wire 2, and a second ground wire clamp 14 is fixedly connected to the top of one ground wire connecting; the middle part of the bottom surface of the grounding plate 17 is fixedly connected with a first grounding rod 18, the first grounding rod 18 is connected with a second grounding rod 19, the second grounding rod 19 is connected with a third grounding rod 20, and the third grounding rod 20 is fixedly connected with a hemispherical grounding electrode 21.
The overvoltage protection module 15 comprises a module frame 15-13, two sets of lightning arrester protection devices are arranged in the module frame 15-13, each lightning arrester protection device comprises a supporting seat 15-6, the supporting seat 15-6 is fixedly arranged on the bottom surface of the inside of the module frame 15-13, the supporting seat 15-6 is fixedly connected with a lightning arrester mounting bracket 15-3, the lightning arrester mounting bracket 15-3 is fixedly connected with one end of a lightning arrester 15-7, one end of the lightning arrester 15-7 is connected with a second connecting wire 15-4, the second connecting wire 15-4 is connected with a first connecting wire clamp 15-5, and the first connecting wire clamp 15-5 is fixedly connected to the module frame 15-13; the other end of the lightning arrester 15-7 is connected with a disconnector 15-8, the disconnector 15-8 is connected with a third connecting wire 15-10, the third connecting wire 15-10 is connected with a second connecting wire clamp 15-9, and the second connecting wire clamp 15-9 is fixedly connected to the module frame 15-13; a ground wire jointing clamp 15-1 is arranged on the left side outside the module frame 15-13, the first jointing clamp 15-5 is electrically connected with the ground wire jointing clamp 15-1 through a connecting wire arranged in the module frame 15-13, the ground wire jointing clamp 15-1 is connected with one end of a first connecting wire 15-2, and the other end of the first connecting wire 15-2 is connected with the second ground wire clamp 14; a phase line clamp 15-11 is arranged on the right side outside the module frame 15-13, the second connecting line clamp 15-9 is electrically connected with the phase line clamp 15-11 through a connecting wire arranged in the module frame 15-13, and the phase line clamp 15-11 is connected with one end of a fourth connecting line 15-12.
For better effect, the one end of equipment earth connection 2 is connected with the shell of the power equipment who will protect, the other end of equipment earth connection 2 is connected with first ground wire clamp 3, can set up according to the size of the power equipment who will protect the quantity of equipment earth connection 2 is 1 to 4, the quantity of first ground wire clamp 3 with the quantity of equipment earth connection 2 is unanimous, can connect many ground wires on equipment, connects the unexpected electrification on equipment and directly channels into underground through first ground wire clamp 3, ground wire extension rod 13, protects equipment.
For better effect, the other end of the fourth connection line 15-12 is electrically connected with the phase lines of the electric power equipment to be protected, the number of the overvoltage protection modules 15 is the same as that of the phase lines of the electric power equipment to be protected, and effective overvoltage protection can be performed on the equipment, and the equipment can be effectively protected regardless of overvoltage caused by direct lightning, misoperation and the like.
In order to achieve better effect, the hemispherical grounding electrode 21 comprises a hemispherical grounding electrode main body 21-1, one end of a third grounding rod 20 is inserted into the hemispherical grounding electrode main body 21-1, a rod-shaped grounding electrode 21-2 is arranged on the part, inserted into the hemispherical grounding electrode main body 21-1, of the third grounding rod 20, needle-shaped grounding electrodes 21-3 are distributed in the hemispherical grounding electrode main body 21-1, impact grounding resistance can be effectively reduced, and lightning protection safety performance of the device is improved.
In order to achieve better effect, the hemispherical grounding electrode main body 21-1 is hemispherical, the hemispherical grounding electrode main body 21-1 is made of concrete, and carbon fibers are uniformly mixed in the concrete of the hemispherical grounding electrode main body 21-1, so that the impact grounding resistance can be effectively reduced, and the lightning protection safety performance of the device is improved.
For better effect, the second grounding rod 19 comprises a first connector 19-1, a first grounding rod 19-2 and a second connector 19-3, the cross section of the first connector 19-1 and the cross section of the second connector 19-3 are cross-shaped, so that the device is convenient to mount, dismount and overhaul, and the applicability of the device to different devices and projects is improved.
In order to achieve better effect, the third ground rod 20 comprises a third connector 20-1 and a second ground rod 20-2, and a cross-shaped groove matched with the first connector 19-1 and the second connector 19-3 is formed in the third connector 20-1, so that the device is convenient to mount, dismount and maintain, and the applicability of the device to different devices and projects is improved.
For better effect, the first ground wire clamp 3 comprises a first clamping plate 3-1 and a second clamping plate 3-2, an arc-shaped groove is formed in the middle of the first clamping plate 3-1 and the second clamping plate 3-2, the first clamping plate 3-1 and the second clamping plate 3-2 are connected through a wire clamp fastening bolt 3-3, effective connection of a wire is facilitated, installation, disassembly and maintenance of the device are facilitated, and applicability of the device to different devices and projects is improved.
For better effect, the lightning arrester 15-7 is a zinc oxide lightning arrester, the disconnector 15-8 is a TLB thermal explosion disconnector, and the disconnector and the thermal explosion disconnector are matched with each other to provide better overvoltage protection for the device.
The lightning protection device mainly comprises a lightning module, a grounding module and an overvoltage protection module 15 which are arranged beside the power equipment to be protected in a short distance, so that better lightning protection is provided for the power equipment; lightning strike module is main including arrester pole setting 5, lightning rod 9, first lightning strike ball 10, second lightning strike ball 22, third lightning strike ball 23, arrester pole setting 5 and the first connecting plate 6 of lightning rod 9 accessible, second connecting plate 7 and connecting bolt 8 are connected, the equipment and the dismantlement of the device of being convenient for, lightning rod 9 is whole to be the toper, the top is most advanced, be provided with three lightning strike ball on the lightning rod 9, all be provided with lightning strike needle 11 on every lightning strike ball, mutually support between them, can effectively improve the protection radius of lightning strike module, provide more effective direct lightning strike protection for power equipment.
The grounding module mainly comprises a grounding plate 17, a grounding rod and a hemispherical grounding electrode 21, wherein a lightning receptor connecting pipe 4 is arranged on the top surface of the grounding plate 17, the lightning receptor connecting pipe 4 is connected with a lightning receptor upright rod 5, and direct lightning guided by the lightning guiding module can be guided into the ground through the grounding plate 17, the grounding rod and the hemispherical grounding electrode 21; the top surface of the grounding plate 17 is also provided with a grounding wire connecting rod 13, the grounding wire connecting rod 13 is connected with a grounding wire clamp, and the grounding wire clamp is connected with a grounding wire, so that electricity on the power equipment can be guided into the ground through the grounding plate 17, the grounding rod and the hemispherical grounding electrode 21, and the power equipment is prevented from being damaged by accidental electrification; the middle of the bottom surface of the grounding plate 17 is connected with a first grounding rod 18, the first grounding rod 18 is connected with a second grounding rod 19, the second grounding rod 19 is connected with a third grounding rod 20, and the grounding rods are connected in a sliding fit manner, so that the device is convenient to mount; the rod-shaped grounding electrode 21-2 and the needle-shaped grounding electrode 21-3 are arranged in the hemispherical grounding electrode 21, so that the grounding resistance can be effectively reduced, and the grounding capacity of the device is improved; the ground plate 17 is positioned below the ground 16, and the base 1 is arranged outside the ground plate 17 and can provide protection for the ground plate 17 and support for the lightning guiding module.
The overvoltage protection module 15 mainly comprises a module frame 15-13, two sets of lightning arrester protection devices are arranged in the module frame, the lightning arrester protection devices are supported by a supporting seat 15-6 and a lightning arrester mounting bracket 15-3, the lower terminal of the lightning arrester 15-7 is connected with a first connecting clamp 15-5 through a second connecting wire 15-4, the upper terminal of the lightning arrester 15-7 is connected with a disconnector 15-8, and the disconnector 15-8 is connected with a second connecting clamp 15-9 through a third connecting wire 15-10; the two sets of lightning arrester protection devices are electrically connected in parallel, wherein a first connecting clamp 15-5 of the two sets of lightning arrester protection devices is connected with a ground wire connecting clamp 15-1 through a connecting wire arranged in a module frame 15-13, and a second connecting clamp 15-9 of the two sets of lightning arrester protection devices is connected with a phase wire connecting clamp 15-11 through a connecting wire arranged in the module frame 15-13; the first connecting wire 15-2 is connected with the second ground wire clamp 14 and the ground wire clamp 15-1, the fourth connecting wire 15-12 is connected with the phase wire and the phase wire clamp 15-11 of the equipment, when the equipment works normally, the lightning arrester 15-7 is in an open circuit state, when overvoltage passes through the phase wire of the equipment, the lightning arrester 15-7 is triggered to work, and the overvoltage on the equipment is led into the ground through the ground wire clamp 15-1 and the ground wire connecting rod 13; when the lightning arresters 15-7 work normally, the disconnectors 15-8 are connected with the lightning arresters 15-7 normally, and when one lightning arrester 15-7 is damaged, the corresponding disconnector 15-8 is disconnected with the lightning arrester, so that the normal work of the overvoltage protection module is ensured, and the overvoltage protection effect of the device on power equipment can be effectively improved.
Claims (9)
1. The utility model provides a power equipment lightning arrester, it is including leading thunder module, ground module, overvoltage protection module (15), its characterized in that: the lightning triggering module comprises a lightning arrester vertical rod (5), a first connecting plate (6) is fixedly connected to the top end of the lightning arrester vertical rod (5), the first connecting plate (6) is connected with a second connecting plate (7), the first connecting plate (6) is connected with the second connecting plate (7) through a connecting bolt (8), a lightning rod (9) is fixedly connected to the top surface of the second connecting plate (7), a first lightning triggering ball (10), a second lightning triggering ball (22) and a third lightning triggering ball (23) are arranged on the lightning rod (9), and lightning triggering needles (11) are arranged in the middle of the first lightning triggering ball (10), the second lightning triggering ball (22) and the third lightning triggering ball (23);
the grounding module comprises a base (1), the position below the middle of the base (1) is below the ground (16), a grounding plate (17) is arranged inside the base (1), a lightning arrester connecting pipe (4) is arranged in the middle of the top surface of the grounding plate (17), a locking bolt (12) is arranged on the right side of the upper portion of the lightning arrester connecting pipe (4), a grounding wire connecting rod (13) is fixedly arranged on the top surface of the grounding plate (17), a first grounding wire clamp (3) is fixedly connected to the top of one grounding wire connecting rod (13), the first grounding wire clamp (3) is connected with an equipment grounding wire (2), and a second grounding wire clamp (14) is fixedly connected to the top of one grounding wire connecting rod (13; a first grounding rod (18) is fixedly connected to the middle of the bottom surface of the grounding plate (17), the first grounding rod (18) is connected with a second grounding rod (19), the second grounding rod (19) is connected with a third grounding rod (20), and the third grounding rod (20) is fixedly connected with a hemispherical grounding electrode (21);
the overvoltage protection module (15) comprises a module frame (15-13), two sets of lightning arrester protection devices are arranged in the module frame (15-13), the lightning arrester protection device comprises a supporting seat (15-6), the supporting seat (15-6) is fixedly arranged on the bottom surface inside the module frame (15-13), the supporting seat (15-6) is fixedly connected with an arrester installing support (15-3), the arrester installing support (15-3) is fixedly connected with one end of an arrester (15-7), one end of the lightning arrester (15-7) is connected with a second connecting wire (15-4), the second connecting wire (15-4) is connected with a first connecting clamp (15-5), the first connecting and connecting clamp (15-5) is fixedly connected to the module frame (15-13); the other end of the lightning arrester (15-7) is connected with a disconnector (15-8), the disconnector (15-8) is connected with a third connecting wire (15-10), the third connecting wire (15-10) is connected with a second connecting wire clamp (15-9), and the second connecting wire clamp (15-9) is fixedly connected to the module frame (15-13); a ground wire jointing clamp (15-1) is arranged on the left side outside the module frame (15-13), the first connecting clamp (15-5) is electrically connected with the ground wire jointing clamp (15-1) through a connecting wire arranged in the module frame (15-13), the ground wire jointing clamp (15-1) is connected with one end of a first connecting wire (15-2), and the other end of the first connecting wire (15-2) is connected with the second ground wire clamp (14); the outside right side of module frame (15-13) is provided with phase line binding clip (15-11), second connecting clip (15-9) pass through set up connecting wire in module frame (15-13) with phase line binding clip (15-11) electricity is connected, phase line binding clip (15-11) are connected with the one end of fourth connecting wire (15-12).
2. An electrical equipment lightning conductor according to claim 1, characterized in that: the one end of equipment earth connection (2) is connected with the shell of the power equipment that will protect, the other end of equipment earth connection (2) is connected with first ground wire clamp (3), can set up according to the size of the power equipment that will protect the quantity of equipment earth connection (2) is 1 to 4, the quantity of first ground wire clamp (3) with the quantity of equipment earth connection (2) is unanimous.
3. An electrical equipment lightning conductor according to claim 1, characterized in that: the other end of the fourth connecting line (15-12) is electrically connected with phase lines of the electric equipment to be protected, and the number of the overvoltage protection modules (15) is the same as that of the phase lines of the electric equipment to be protected.
4. An electrical equipment lightning conductor according to claim 1, characterized in that: the hemisphere grounding electrode (21) comprises a hemisphere grounding electrode main body (21-1), one end of a third grounding rod (20) is inserted into the hemisphere grounding electrode main body (21-1), a rod-shaped grounding electrode (21-2) is arranged on the portion, inserted into the hemisphere grounding electrode main body (21-1), of the third grounding rod (20), and a needle-shaped grounding electrode (21-3) is arranged in the hemisphere grounding electrode main body (21-1).
5. An arrester device for electrical equipment as claimed in claim 4, characterized in that: the semi-sphere grounding electrode is characterized in that the semi-sphere grounding electrode main body (21-1) is semi-sphere, the semi-sphere grounding electrode main body (21-1) is made of concrete, and carbon fibers are uniformly mixed in the concrete of the semi-sphere grounding electrode main body (21-1).
6. An electrical equipment lightning conductor according to claim 1, characterized in that: the second grounding rod (19) comprises a first connector (19-1), a first grounding rod (19-2) and a second connector (19-3), and the cross section of the first connector (19-1) and the cross section of the second connector (19-3) are in a cross shape.
7. An arrester device for electrical equipment as claimed in claim 6, characterized in that: the third grounding rod (20) comprises a third connector (20-1) and a second grounding rod (20-2), and a cross-shaped groove matched with the first connector (19-1) and the second connector (19-3) is formed in the third connector (20-1).
8. An electrical equipment lightning conductor according to claim 1, characterized in that: the first ground wire clamp (3) comprises a first clamping plate (3-1) and a second clamping plate (3-2), an arc-shaped groove is formed in the middle of the first clamping plate (3-1) and the middle of the second clamping plate (3-2), and the first clamping plate (3-1) and the second clamping plate (3-2) are connected through a wire clamp fastening bolt (3-3).
9. An electrical equipment lightning conductor according to claim 1, characterized in that: the lightning arrester (15-7) is a zinc oxide lightning arrester, and the disconnector (15-8) is a TLB thermal explosion disconnector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011210909.1A CN112531465B (en) | 2020-11-03 | 2020-11-03 | Lightning arrester for power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011210909.1A CN112531465B (en) | 2020-11-03 | 2020-11-03 | Lightning arrester for power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112531465A true CN112531465A (en) | 2021-03-19 |
| CN112531465B CN112531465B (en) | 2023-02-24 |
Family
ID=74979418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011210909.1A Active CN112531465B (en) | 2020-11-03 | 2020-11-03 | Lightning arrester for power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112531465B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709786A (en) * | 2022-04-14 | 2022-07-05 | 广东电网有限责任公司 | Support arrangement for arrester |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859695A (en) * | 2015-06-09 | 2015-08-26 | 国网山东济南市历城区供电公司 | Moving type lightning arrester test car |
| CN204885830U (en) * | 2015-08-06 | 2015-12-16 | 北京欧地安科技有限公司 | Lightnig protector |
| CN205355765U (en) * | 2016-02-15 | 2016-06-29 | 国网山东省电力公司无棣县供电公司 | 10kV distribution lines's lightning protection device |
| CN206293858U (en) * | 2016-11-23 | 2017-06-30 | 屈红凯 | A kind of power equipment lightning arrester |
| CN207442186U (en) * | 2017-10-12 | 2018-06-01 | 焦作市中州炭素有限责任公司 | A kind of power equipment lightning arrester |
| CN210123882U (en) * | 2019-07-23 | 2020-03-03 | 浙江大合检测有限公司 | Building lightning protection device |
-
2020
- 2020-11-03 CN CN202011210909.1A patent/CN112531465B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859695A (en) * | 2015-06-09 | 2015-08-26 | 国网山东济南市历城区供电公司 | Moving type lightning arrester test car |
| CN204885830U (en) * | 2015-08-06 | 2015-12-16 | 北京欧地安科技有限公司 | Lightnig protector |
| CN205355765U (en) * | 2016-02-15 | 2016-06-29 | 国网山东省电力公司无棣县供电公司 | 10kV distribution lines's lightning protection device |
| CN206293858U (en) * | 2016-11-23 | 2017-06-30 | 屈红凯 | A kind of power equipment lightning arrester |
| CN207442186U (en) * | 2017-10-12 | 2018-06-01 | 焦作市中州炭素有限责任公司 | A kind of power equipment lightning arrester |
| CN210123882U (en) * | 2019-07-23 | 2020-03-03 | 浙江大合检测有限公司 | Building lightning protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709786A (en) * | 2022-04-14 | 2022-07-05 | 广东电网有限责任公司 | Support arrangement for arrester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112531465B (en) | 2023-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202034151U (en) | Post type lightning arrester device | |
| CN112531465B (en) | Lightning arrester for power equipment | |
| CN211127072U (en) | Device for preventing overhead transmission line from lightning counterattack | |
| CN201171150Y (en) | Overvoltage protector for open-resistant lever for avoiding wire from breaking due to lightning stroke | |
| CN211508546U (en) | Lightning protection device for power transmission line | |
| CN211606059U (en) | Anti-seismic high-voltage lightning arrester | |
| CN212784683U (en) | Lightning protection device for overhead transmission line | |
| CN205453120U (en) | Overvoltage protector for anti -thunder circuit | |
| CN219875043U (en) | Lightning protection device for grid wiring | |
| CN211428883U (en) | Lightning arrester of power equipment | |
| CN208904398U (en) | Distribution grounding-for-lightning device | |
| CN213602391U (en) | Lightning protection device for high-voltage power transmission tower | |
| CN220673216U (en) | Lightning protection device of high-voltage transformer substation | |
| CN206625640U (en) | Lightning protection electric pole | |
| CN219535575U (en) | Lightning-proof high-voltage cable erection device | |
| CN218824158U (en) | Lightning protection device for air quality monitoring station | |
| CN210692793U (en) | Grounding terminal structure for electronic equipment | |
| CN219874452U (en) | Lightning protection mechanism of hoisting equipment | |
| CN215833457U (en) | Lightning protection element tester with electric shock protection | |
| CN210957750U (en) | Mounting structure of arrester | |
| CN215185797U (en) | Ground connection downlead device of lightning conductor | |
| CN212991357U (en) | Power supply grounding pile device | |
| CN220021617U (en) | Lightning protection grounding device | |
| CN208674591U (en) | Discharging gap protective device | |
| CN219959458U (en) | High lightning protection earthing device of security |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |