CN114156825A - Lightning protection and breaking device for shielding, insulating and isolating 10kV overhead insulated line - Google Patents
Lightning protection and breaking device for shielding, insulating and isolating 10kV overhead insulated line Download PDFInfo
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- CN114156825A CN114156825A CN202111234740.8A CN202111234740A CN114156825A CN 114156825 A CN114156825 A CN 114156825A CN 202111234740 A CN202111234740 A CN 202111234740A CN 114156825 A CN114156825 A CN 114156825A
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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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- 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
- H02G7/00—Overhead installations of electric lines or cables
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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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
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/22—Arrangements of earthing wires suspended between mastheads
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Abstract
The invention relates to a lightning protection and breaking device for a shielding, insulating and isolating 10kV overhead insulated line, which comprises a titanium alloy lightning receptor, the lightning protection device comprises an insulation shielding down lead and an intelligent lightning counter, wherein an insulation support cap is arranged below a titanium alloy lightning receptor, an insulation support rod is arranged below the insulation support cap, a first connecting assembly is arranged below the insulation support rod, a second connecting assembly is arranged on the left side of the first connecting assembly, two installation external members are uniformly arranged below the first connecting assembly, a second connecting end is arranged at the bottom of the insulation support rod, a second inner pin hole is formed in the left side of the outer part of the second connecting end, a voltage stress control upper terminal is arranged below the second connecting end, an insulation shielding down lead is arranged below the voltage stress control upper terminal, a connecting terminal is arranged below the insulation shielding down lead, a connector is arranged below the connecting terminal, and a connecting piece is arranged below the connector; the invention has the advantages of non-contact lightning protection, active interception protection, solving the problem of lightning stroke disconnection and reducing potential safety hazard.
Description
Technical Field
The invention belongs to the technical field of overhead transmission lines, and particularly relates to a lightning protection and breaking device for a shielding, insulating and isolating 10kV overhead insulated line.
Background
Along with the development of science and technology and economy, the requirements of users on the quality of electric energy and the reliability of power supply are increasingly improved, in order to ensure the reliable operation of a 10kV overhead line, at present, the l0kV overhead line in China is changed into an insulated wire from a bare wire as a main wire, and the insulated wire has the advantages of good insulating property, reduction of line interphase distance, corrosion resistance, simplified structure, deep penetration into a load center, contribution to urban greening, reduction of a line corridor, prolongation of maintenance period and the like, so that the safety of the overhead line is obviously improved, thunder is a common and complex phenomenon in nature, can bring a lot of harm to the production and life of human beings, the whole duration process of the thunder is generally about 20ms to 1s, the average duration time is 0.2s, and because the 10kV overhead line has a plurality of lines, long paths and most of paths are in an open area, lightning accidents are very easy to occur in the thunderbolt season every year, the line disconnection and tripping accidents caused by the method are very common, the disconnection mostly occurs in two-phase or three-phase insulated lines, and simultaneously, the insulator flashover occurs, and the phenomenon of lightning stroke faults at multiple positions of one line even occurs in a certain open area, so that the safety and the stable operation of the overhead distribution line are not facilitated; therefore, it is very necessary to provide a lightning protection and breaking device for shielding, insulating and isolating 10kV overhead insulated lines, which has the advantages of non-contact lightning protection, active interception protection, lightning breaking problem solving and potential safety hazard reducing.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a lightning protection and breaking device for a shielding, insulating and isolating 10kV overhead insulated line, which has the advantages of non-contact lightning protection, active interception protection, lightning breaking problem solving and potential safety hazard reducing.
The purpose of the invention is realized as follows: a lightning protection and disconnection device for a shielding, insulating and isolating 10kV overhead insulated line comprises a titanium alloy lightning arrester, an insulating shielding down lead and an intelligent lightning counter, wherein an external thread column is arranged at the bottom of the titanium alloy lightning arrester, a first gasket and a second gasket are respectively arranged outside the external thread column from top to bottom, an isolating support cap is arranged below the titanium alloy lightning arrester, a through hole is formed in the isolating support cap, an external pin hole is formed above the left side of the outside of the isolating support cap, an insulating support rod is arranged below the isolating support cap, an inner sleeve is arranged above the insulating support rod and corresponds to the isolating support cap, a first connecting end is arranged above the inner sleeve, an internal thread hole is formed in the first connecting end, a first internal pin hole is formed above the left side of the outside of the first connecting end, a pin is arranged outside the first internal pin hole, a first connecting component is arranged below the insulating support rod, a second connecting component is arranged on the left side of the first connecting component, a mast is arranged in the second connecting component, two mounting kits are uniformly arranged below the first connecting component, the bottom of the insulating support rod is provided with a second connecting end, the left side outside the second connecting end is provided with a second inner pin hole, a voltage stress control upper terminal is arranged below the second connecting end, an insulation shielding down lead is arranged below the voltage stress control upper terminal, an outer insulating shielding layer is arranged outside the insulating shielding down lead, a titanium alloy down lead is arranged inside the outer insulating shielding layer, insulation shield downlead below be provided with connecting terminal, connecting terminal below be provided with the connector, connector below be provided with the connecting piece.
First connecting element include rack, interior rack, stiff end, expansion end, connecting seat, operation knob, axle pinhole, lead to groove, fluting, gear and gear shaft, first connecting element left side be provided with the rack, rack in-band portion be provided with interior rack, the internal tooth strip about both sides be provided with expansion end and stiff end respectively, the stiff end right side be provided with the connecting seat, the preceding left side of connecting seat be provided with operation knob, operation knob right side be provided with the axle pinhole, the inside top of connecting seat correspond activity end department and be provided with logical groove, logical groove below be provided with the fluting, the fluting below correspond operation knob department and be provided with the gear, the inside gear shaft that is provided with of gear.
Second coupling assembling including rotating shaft pin, top board, lower locating plate, constant head tank, spacing bolt and clamping spring, second coupling assembling left side correspond shaft pin hole department and be provided with the rotating shaft pin, the rotating shaft pin about both sides be provided with top board and lower locating plate respectively, top board and the inside middle part of lower locating plate all be provided with the constant head tank, lower locating plate below left and right sides all be provided with spacing bolt, the preceding right side of lower locating plate be provided with clamping spring.
The external thread column penetrates through the first gasket, the second gasket, the through hole and is in threaded connection with the internal thread hole, the upper positioning plate and the lower positioning plate are respectively in rotating connection with the rotating shaft pin, and the operating knob is connected with the gear through the gear shaft.
The locating slot be the arc structure, clamping spring be two "C" type couple formula extension springs.
The titanium alloy lightning receptor adopts OCr23Ni28Mo3Cu3Ti titanium alloy or 1Cr18Ni12Mo2Ti titanium alloy, preferably OCr23Ni28Mo3Cu3Ti titanium alloy, the insulating support rod adopts a glass fiber reinforced Fiber (FRP) support rod with high insulating property, the titanium alloy down lead is composed of Ti-0.8Ni-0.3Mo titanium alloy and ferroelectric ceramic dielectric material, the insulating shielding layer adopts metallized paper or semiconductor paper tape with copper wire tape woven outside, and preferably semiconductor paper tape with copper wire tape woven outside.
The titanium alloy lightning arrester adopts YBZ-07T type lightning arrester, the voltage stress control upper terminal adopts ZVT Boost converter, and the intelligent lightning counter adopts TS-LLC/350A type lightning counter.
The invention has the beneficial effects that: the invention relates to a lightning protection and wire breaking device for shielding, insulating and isolating a 10kV overhead insulated line, which is characterized in that a titanium alloy lightning arrester penetrates through a first gasket, a second gasket and an isolating bracket cap through an external thread column to be in threaded connection with an internal thread hole to complete the installation of the titanium alloy lightning arrester and an insulating support rod, a high-performance insulating material of a semiconductor paper tape which is externally bound and woven with a copper wire tape is adopted outside a titanium alloy down lead of an insulating and shielding down lead, so that the insulating effect which is the same as the air separation of 1000mm can be achieved, the lightning protection and wire breaking device has the advantages that the lightning protection and wire breaking device can be directly installed on a line tower to be protected without inducing current, the insulating support rod adopts a glass fiber reinforced Fiber (FRP) support rod with high insulating performance, the lightning protection and wire breaking device has the advantages of neutral insulation, corrosion resistance, wind resistance and light weight, the load of the support rod is minimized, the insulating support rod is installed on a mast through an installation kit, and the insulating support rod is fixedly connected with the mast through a first connecting component and a second connecting component, the movable end is inserted into the through groove after the movable end is held by hands to tightly sleeve the mast by the rack belt around the mast, then the operation knob is rotated to drive the inner rack to move through the gear, so as to tighten the rack belt, so that the first connecting component is tightly connected with the mast, then the upper positioning plate and the lower positioning plate are opened, the insulating support rod is placed in the positioning groove, the upper positioning plate and the lower positioning plate are closed, and the clamping spring and the limiting bolt are installed, so that the second connecting component is tightly connected with the insulating support rod, the device is more stable and reliable when in use, the safety is improved, then the insulating shielding down lead is connected with the low-resistance grounding network system or the lightning protection system through the connecting terminal, the connecting head and the connecting piece to complete the installation work of the device, in use, the device introduces the lightning into the ground through the titanium alloy lightning arrester, the insulating shielding down lead and the low-resistance grounding network system or the lightning protection system, the insulation shielding down lead of the device provides a low-impedance insulation channel from the titanium alloy lightning receptor to the grounding system, so that lightning current is quickly discharged in a closed shielding conductor channel with low internal resistance without forming large voltage, and in addition, the titanium alloy down lead is formed by Ti-0.8Ni-0.3Mo titanium alloy and ferroelectric ceramic dielectric materials, so that the capacitance balance can be realized, the insulation integrity under high-pulse conditions is ensured, the discharge current is limited, the unique capability of electrical connection is supported at the same time, the risk of surrounding electrical equipment is reduced to the maximum extent, therefore, the device can not directly hit other equipment such as overhead line wires, insulators and even lightning arresters, and the strong electromagnetic induction and lightning impulse waves generated around the discharging path are eliminated, and the ground potential counterattack is not generated by the low-resistance grounding network system, the device fundamentally weakens and eliminates external overvoltage through active interception and protection, fundamentally solves the problem of lightning stroke disconnection of the 10kV insulated overhead conductor, reduces the influence on the aspects of power equipment loss and normal electricity consumption of residents caused by the lightning stroke disconnection, prevents serious personal casualty accidents caused by the lightning stroke disconnection accidents, greatly reduces the potential safety hazard caused by various abnormal conditions after the line is struck by lightning, has no direct contact with the line, has no electric conduction part, does not increase the line load, is a non-contact independent working lightning protection system, has no influence on the current running electric facilities due to the additional installation of the device, and can not introduce other problems while solving the problem of the lightning stroke disconnection; the invention has the advantages of non-contact lightning protection, active interception protection, solving the problem of lightning stroke disconnection and reducing potential safety hazard.
Drawings
Fig. 1 is a front view of a lightning protection breaking device of a shielded insulated isolated 10kV overhead insulated line of the present invention.
Fig. 2 is an exploded view of a part of the structure of fig. 1.
Fig. 3 is an exploded view of a part of the structure of fig. 1.
Fig. 4 is a schematic cross-sectional view of an insulation shielding down conductor of the lightning protection breaking device for the shielding insulation isolation 10kV overhead insulation line of the present invention.
Fig. 5 is a schematic view of a connection structure of a first connection assembly and a second connection assembly of the lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line of the invention.
Fig. 6 is a schematic structural diagram of a first connecting assembly of the lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line of the invention.
Fig. 7 is a schematic diagram of the internal structure of the first connecting component of the lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line of the invention.
Fig. 8 is a schematic structural diagram of a second connecting assembly of the lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line of the invention.
Fig. 9 is a schematic view of the working state of the lightning protection breaking device of the shielding, insulating and isolating 10kV overhead insulated line of the invention.
In the figure: 1. the lightning arrester comprises a titanium alloy lightning arrester 2, an isolation support cap 3, an insulation support rod 4, a first connecting assembly 5, a second connecting assembly 6, a mast 7, a mounting kit 8, an insulation shielding down lead 9, an external threaded column 10, a first gasket 11, a second gasket 12, a through hole 13, an external pin hole 14, an inner sleeve 15, a first connecting end 16, an internal threaded hole 17, a first internal pin hole 18, a pin 19, a voltage stress control upper terminal 20, a second connecting end 21, a second internal pin hole 22, a connecting terminal 23, a connecting head 24, a connecting piece 25, an external insulation shielding layer 26, a titanium alloy down lead 27, a rack belt 28, an internal rack 29, a fixed end 30, a movable end 31, a connecting seat 32, an operating knob 33, an axle pin hole 34, a through groove 35, a slotted groove 36, a gear 37, a gear shaft 38, a through groove 36, a connecting rod 32, a rod and a rod, The intelligent lightning counter comprises a rotating shaft pin 39, an upper positioning plate 40, a lower positioning plate 41, a positioning groove 42, a limiting bolt 43, a clamping spring 44 and an intelligent lightning counter.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-9, the lightning protection and breaking device for shielding, insulating and isolating an overhead insulated line of 10kV comprises a titanium alloy lightning receptor 1, an insulating and shielding down conductor 8 and an intelligent lightning counter 44, wherein an external threaded column 9 is arranged at the bottom of the titanium alloy lightning receptor 1, a first gasket 10 and a second gasket 11 are respectively arranged outside the external threaded column 9 from top to bottom, an isolating bracket cap 2 is arranged below the titanium alloy lightning receptor 1, a through hole 12 is arranged inside the isolating bracket cap 2, an external pin hole 13 is arranged above the left side outside the isolating bracket cap 2, an insulating support rod 3 is arranged below the isolating bracket cap 2, an inner sleeve 14 is arranged above the insulating support rod 3 corresponding to the isolating bracket cap 2, a first connection end 15 is arranged above the inner sleeve 14, and an internal threaded hole 16 is arranged inside the first connection end 15, a first inner pin hole 17 is arranged above the left side outside the first connecting end 15, a pin 18 is arranged outside the first inner pin hole 17, a first connecting component 4 is arranged below the insulating support rod 3, a second connecting component 5 is arranged on the left side of the first connecting component 4, a mast 6 is arranged inside the second connecting component 5, two mounting kits 7 are uniformly arranged below the first connecting component 4, a second connecting end 20 is arranged at the bottom of the insulating support rod 3, a second inner pin hole 21 is arranged on the left side outside the second connecting end 20, a voltage stress control upper terminal 19 is arranged below the second connecting end 20, an insulating shielding down lead 8 is arranged below the voltage stress control upper terminal 19, an outer insulating shielding layer 25 is arranged outside the insulating shielding down lead 8, and a titanium alloy down lead 26 is arranged inside the outer insulating shielding layer 25, insulation shield downlead 8 below be provided with connecting terminal 22, connecting terminal 22 below be provided with connector 23, connector 23 below be provided with connecting piece 24.
The first connecting component 4 comprises a rack belt 27, an internal rack 28, a fixed end 29, a movable end 30, a connecting seat 31, an operating knob 32, a shaft pin hole 33, a through groove 34, a slot 35, a gear 36 and a gear shaft 37, the left side of the first connecting component 4 is provided with a rack belt 27, the rack belt 27 is internally provided with an inner rack 28, the upper side and the lower side of the internal rack 28 are respectively provided with a movable end 30 and a fixed end 29, the right side of the fixed end 29 is provided with a connecting seat 31, an operation knob 32 is arranged on the left side of the front of the connecting seat 31, a shaft pin hole 33 is arranged on the right side of the operation knob 32, a through groove 34 is arranged at the upper part inside the connecting seat 31 corresponding to the movable end 30, a slot 35 is arranged below the through groove 34, a gear 36 is arranged below the slot 35 corresponding to the operation knob 32, and a gear shaft 37 is arranged inside the gear 36.
Second coupling assembling 5 including rotating shaft pin 38, last locating plate 39, lower locating plate 40, constant head tank 41, stop bolt 42 and clamping spring 43, 5 left sides of second coupling assembling be provided with rotating shaft pin 38 corresponding to axle pin hole 33 department, rotating shaft pin 38 about both sides be provided with last locating plate 39 and lower locating plate 40 respectively, the inside middle part of last locating plate 39 and lower locating plate 40 all be provided with constant head tank 41, lower locating plate 40 below left and right sides all be provided with stop bolt 42, the preceding right side of lower locating plate 40 be provided with clamping spring 43.
The invention is a lightning protection breaking line device of shielding, insulating and isolating 10kV overhead insulated line, a titanium alloy lightning arrester 1 penetrates through a first gasket 10, a second gasket 11 and an isolating bracket cap 2 through an external thread column 9 and is in threaded connection with an internal thread hole 16 to complete the installation of the titanium alloy lightning arrester 1 and an insulating support rod 3, an external insulating shielding layer 25 of an insulating shielding down lead 8 adopts a high-performance insulating material of a semiconductor paper tape which is externally bound and woven with a copper wire tape to achieve the same insulating effect as the separation of 1000mm air, and has the advantages of being capable of being directly installed on a line tower to be protected without inducing current, the insulating support rod 3 adopts a glass Fiber Reinforced Plastic (FRP) support rod with high insulating performance, having the advantages of neutral insulation, corrosion resistance, wind resistance and light weight, and minimized support rod load, and the like, and then the insulating support rod 3 is installed on a mast 6 through an installation kit 7, then the insulating support rod 3 is fixedly connected with the mast 6 through the first connecting component 4 and the second connecting component 5, the movable end 30 is tightly sleeved on the mast 6 by holding the movable end 30, the movable end 30 is inserted into the through groove 34, then the operation knob 32 is rotated, the operation knob 32 drives the inner rack 28 to move through the gear 36, and further the rack 27 is tightened, so that the first connecting component 4 is tightly connected with the mast 6, then the upper positioning plate 39 and the lower positioning plate 40 are opened, the insulating support rod 3 is placed in the positioning groove 41, the upper positioning plate 39 and the lower positioning plate 40 are closed, the clamping spring 43 and the limiting bolt 42 are installed, so that the second connecting component 5 is tightly connected with the insulating support rod 3, the device is ensured to be more stable and reliable when in use, the safety is improved, and then the insulating shielding down lead 8 is connected with a low-resistance grounding net system or a lightning protection system through the connecting terminal 22, the connecting terminal 23 and the connecting piece 24, so as to complete the installation work of the device, in use, the device introduces lightning into the ground through the titanium alloy lightning receptor 1, the insulation shielding down lead 8 and the low resistance grounding network system or lightning protection system, the insulation shielding down lead 8 of the device provides a low impedance insulation channel from the titanium alloy lightning receptor 1 to the grounding system so as to rapidly dissipate lightning current in a closed shielded conductor channel with very low internal resistance without forming large voltage, and in addition, the titanium alloy down lead 26 is composed of Ti-0.8Ni-0.3Mo titanium alloy and ferroelectric ceramic dielectric material, can realize capacitance balance, is helpful to ensure the insulation integrity under high pulse condition, limit discharge current and simultaneously support the unique capability of electrical connection, is helpful to reduce the risk of surrounding electrical equipment to the maximum extent, therefore, the device can not directly hit overhead line wires and insulators or even other equipment such as lightning arresters, the device eliminates strong electromagnetic induction and lightning shock waves generated around a discharge path, and does not generate ground potential counterattack due to the addition of a low-resistance grounding network system, the device fundamentally weakens and eliminates external overvoltage through active interception protection, fundamentally solves the problem of lightning stroke disconnection of a 10kV insulated overhead conductor, reduces the influence on the aspects of power equipment loss and normal electricity consumption of residents caused by the lightning stroke disconnection, prevents serious personal casualty accidents caused by the lightning stroke disconnection accidents, greatly reduces the potential safety hazard caused by various abnormal conditions after the line is struck by lightning, has no direct contact with the line, has no electric conduction part, does not increase the line load, and is a non-contact independent working lightning protection system, therefore, the additional installation of the device has no influence on the current running electrical facilities, and other problems can not be introduced while the lightning stroke disconnection problem is solved; the invention has the advantages of non-contact lightning protection, active interception protection, solving the problem of lightning stroke disconnection and reducing potential safety hazard.
Example 2
As shown in fig. 1-9, the lightning protection and breaking device for shielding, insulating and isolating an overhead insulated line of 10kV comprises a titanium alloy lightning receptor 1, an insulating and shielding down conductor 8 and an intelligent lightning counter 44, wherein an external threaded column 9 is arranged at the bottom of the titanium alloy lightning receptor 1, a first gasket 10 and a second gasket 11 are respectively arranged outside the external threaded column 9 from top to bottom, an isolating bracket cap 2 is arranged below the titanium alloy lightning receptor 1, a through hole 12 is arranged inside the isolating bracket cap 2, an external pin hole 13 is arranged above the left side outside the isolating bracket cap 2, an insulating support rod 3 is arranged below the isolating bracket cap 2, an inner sleeve 14 is arranged above the insulating support rod 3 corresponding to the isolating bracket cap 2, a first connection end 15 is arranged above the inner sleeve 14, and an internal threaded hole 16 is arranged inside the first connection end 15, a first inner pin hole 17 is arranged above the left side outside the first connecting end 15, a pin 18 is arranged outside the first inner pin hole 17, a first connecting component 4 is arranged below the insulating support rod 3, a second connecting component 5 is arranged on the left side of the first connecting component 4, a mast 6 is arranged inside the second connecting component 5, two mounting kits 7 are uniformly arranged below the first connecting component 4, a second connecting end 20 is arranged at the bottom of the insulating support rod 3, a second inner pin hole 21 is arranged on the left side outside the second connecting end 20, a voltage stress control upper terminal 19 is arranged below the second connecting end 20, an insulating shielding down lead 8 is arranged below the voltage stress control upper terminal 19, an outer insulating shielding layer 25 is arranged outside the insulating shielding down lead 8, and a titanium alloy down lead 26 is arranged inside the outer insulating shielding layer 25, insulation shield downlead 8 below be provided with intelligent thunder and lightning counter 44, intelligent thunder and lightning counter 44 below be provided with connecting terminal 22, connecting terminal 22 below be provided with connector 23, connector 23 below be provided with connecting piece 24.
The first connecting component 4 comprises a rack belt 27, an internal rack 28, a fixed end 29, a movable end 30, a connecting seat 31, an operating knob 32, a shaft pin hole 33, a through groove 34, a slot 35, a gear 36 and a gear shaft 37, the left side of the first connecting component 4 is provided with a rack belt 27, the rack belt 27 is internally provided with an inner rack 28, the upper side and the lower side of the internal rack 28 are respectively provided with a movable end 30 and a fixed end 29, the right side of the fixed end 29 is provided with a connecting seat 31, an operation knob 32 is arranged on the left side of the front of the connecting seat 31, a shaft pin hole 33 is arranged on the right side of the operation knob 32, a through groove 34 is arranged at the upper part inside the connecting seat 31 corresponding to the movable end 30, a slot 35 is arranged below the through groove 34, a gear 36 is arranged below the slot 35 corresponding to the operation knob 32, and a gear shaft 37 is arranged inside the gear 36.
Second coupling assembling 5 including rotating shaft pin 38, last locating plate 39, lower locating plate 40, constant head tank 41, stop bolt 42 and clamping spring 43, 5 left sides of second coupling assembling be provided with rotating shaft pin 38 corresponding to axle pin hole 33 department, rotating shaft pin 38 about both sides be provided with last locating plate 39 and lower locating plate 40 respectively, the inside middle part of last locating plate 39 and lower locating plate 40 all be provided with constant head tank 41, lower locating plate 40 below left and right sides all be provided with stop bolt 42, the preceding right side of lower locating plate 40 be provided with clamping spring 43.
For better effect, the external threaded column 9 penetrates through the first gasket 10, the second gasket 11 and the through hole 12 to be in threaded connection with the internal threaded hole 16, the upper positioning plate 39 and the lower positioning plate 40 are respectively in rotational connection with the rotating shaft pin 38, and the operating knob 32 is connected with the gear 36 through the gear shaft 37.
For better effect, the positioning groove 41 is of an arc-shaped structure, and the clamping spring 43 is a double-C-shaped hook type tension spring.
In order to achieve better effects, the titanium alloy lightning receptor 1 is made of OCr23Ni28Mo3Cu3Ti titanium alloy or 1Cr18Ni12Mo2Ti titanium alloy, OCr23Ni28Mo3Cu3Ti titanium alloy is preferably adopted, the insulating support rod 3 is made of glass fiber reinforced Fiber (FRP) support rods with high insulating performance, the titanium alloy down lead 26 is made of Ti-0.8Ni-0.3Mo titanium alloy and ferroelectric ceramic dielectric materials, the insulating shielding layer 25 is made of metallized paper or semiconductor paper tape with copper wire tapes woven in an outer binding mode, and semiconductor paper tape with copper wire tapes woven in an outer binding mode is preferably adopted.
For better effect, the titanium alloy lightning receptor 1 adopts an YBZ-07T type lightning receptor, the voltage stress control upper terminal 19 adopts a ZVT Boost converter, and the intelligent lightning counter 44 adopts a TS-LLC/350A type lightning counter.
The invention is a lightning protection breaking line device of shielding, insulating and isolating 10kV overhead insulated line, a titanium alloy lightning arrester 1 penetrates through a first gasket 10, a second gasket 11 and an isolating bracket cap 2 through an external thread column 9 and is in threaded connection with an internal thread hole 16 to complete the installation of the titanium alloy lightning arrester 1 and an insulating support rod 3, an external insulating shielding layer 25 of an insulating shielding down lead 8 adopts a high-performance insulating material of a semiconductor paper tape which is externally bound and woven with a copper wire tape to achieve the same insulating effect as the separation of 1000mm air, and has the advantages of being capable of being directly installed on a line tower to be protected without inducing current, the insulating support rod 3 adopts a glass Fiber Reinforced Plastic (FRP) support rod with high insulating performance, having the advantages of neutral insulation, corrosion resistance, wind resistance and light weight, and minimized support rod load, and the like, and then the insulating support rod 3 is installed on a mast 6 through an installation kit 7, then the insulating support rod 3 is fixedly connected with the mast 6 through the first connecting component 4 and the second connecting component 5, the movable end 30 is tightly sleeved on the mast 6 by holding the movable end 30, the movable end 30 is inserted into the through groove 34, then the operation knob 32 is rotated, the operation knob 32 drives the inner rack 28 to move through the gear 36, and further the rack 27 is tightened, so that the first connecting component 4 is tightly connected with the mast 6, then the upper positioning plate 39 and the lower positioning plate 40 are opened, the insulating support rod 3 is placed in the positioning groove 41, the upper positioning plate 39 and the lower positioning plate 40 are closed, the clamping spring 43 and the limiting bolt 42 are installed, so that the second connecting component 5 is tightly connected with the insulating support rod 3, the device is ensured to be more stable and reliable when in use, the safety is improved, and then the insulating shielding down lead 8 is connected with a low-resistance grounding net system or a lightning protection system through the connecting terminal 22, the connecting terminal 23 and the connecting piece 24, so as to complete the installation work of the device, in use, the device introduces lightning into the ground through the titanium alloy lightning receptor 1, the insulation shielding down lead 8 and the low resistance grounding network system or lightning protection system, the insulation shielding down lead 8 of the device provides a low impedance insulation channel from the titanium alloy lightning receptor 1 to the grounding system so as to rapidly dissipate lightning current in a closed shielded conductor channel with very low internal resistance without forming large voltage, and in addition, the titanium alloy down lead 26 is composed of Ti-0.8Ni-0.3Mo titanium alloy and ferroelectric ceramic dielectric material, can realize capacitance balance, is helpful to ensure the insulation integrity under high pulse condition, limit discharge current and simultaneously support the unique capability of electrical connection, is helpful to reduce the risk of surrounding electrical equipment to the maximum extent, therefore, the device can not directly hit overhead line wires and insulators or even other equipment such as lightning arresters, the device eliminates strong electromagnetic induction and lightning shock waves generated around a discharging path, and does not generate ground potential counterattack by adding a low-resistance grounding network system, the device fundamentally weakens and eliminates external overvoltage through active interception protection, fundamentally solves the problem of lightning stroke disconnection of a 10kV insulated overhead conductor, reduces the influence on the aspects of power equipment loss and normal electricity consumption of residents caused by the lightning stroke disconnection, prevents serious personal casualty accidents caused by the lightning stroke disconnection accidents, greatly reduces the potential safety hazard caused by various abnormal conditions after the circuit is struck by lightning, does not have any direct contact with the circuit, does not have any electric conduction part, does not increase the circuit load, is a non-contact independent working lightning protection system, has no influence on the current running electric facilities due to the additional installation of the device, solves the problem of lightning stroke disconnection and does not introduce other problems at the same time, when the device is used, the intelligent lightning counter 44 can be additionally arranged and connected with the insulation shielding down lead, so that the whole working process and state of the system of the device can be recorded, and relevant working data can be collected and stored, thereby providing scientific basis for subsequent lightning protection research work; the invention has the advantages of non-contact lightning protection, active interception protection, solving the problem of lightning stroke disconnection and reducing potential safety hazard.
Claims (7)
1. The lightning protection broken string device of 10kV overhead insulated line is kept apart to shielding insulation, it includes titanium alloy arrester, insulation shielding downlead and intelligent thunder and lightning counter, its characterized in that: the bottom of the titanium alloy lightning arrester is provided with an external threaded column, the outside of the external threaded column is respectively provided with a first gasket and a second gasket from top to bottom, an isolation support cap is arranged below the titanium alloy lightning arrester, a through hole is arranged inside the isolation support cap, an external pin hole is arranged above the left side of the outside of the isolation support cap, an insulation support rod is arranged below the isolation support cap, an inner sleeve is arranged above the insulation support rod and corresponds to the isolation support cap, a first connecting end is arranged above the inner sleeve, an internal screw hole is arranged inside the first connecting end, a first internal pin hole is arranged above the left side of the outside of the first connecting end, a pin is arranged outside the first internal pin hole, a first connecting component is arranged below the insulation support rod, and a second connecting component is arranged on the left side of the first connecting component, the inside mast that is provided with of second coupling assembling, first coupling assembling below evenly be provided with two installation external members, insulating support pole bottom be provided with the second link, the outside left side of second link be provided with pinhole in the second, second link below be provided with terminal on the voltage stress control, the voltage stress control on the terminal below be provided with the insulation shielding downlead, the insulation shielding downlead outside be provided with outer insulation shielding layer, the inside titanium alloy downlead that is provided with of outer insulation shielding layer, insulation shielding downlead below be provided with connecting terminal, connecting terminal below be provided with the connector, connector below be provided with the connecting piece.
2. The lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line according to claim 1, characterized in that: first connecting element include rack, interior rack, stiff end, expansion end, connecting seat, operation knob, axle pinhole, lead to groove, fluting, gear and gear shaft, first connecting element left side be provided with the rack, rack in-band portion be provided with interior rack, the internal tooth strip about both sides be provided with expansion end and stiff end respectively, the stiff end right side be provided with the connecting seat, the preceding left side of connecting seat be provided with operation knob, operation knob right side be provided with the axle pinhole, the inside top of connecting seat correspond activity end department and be provided with logical groove, logical groove below be provided with the fluting, the fluting below correspond operation knob department and be provided with the gear, the inside gear shaft that is provided with of gear.
3. The lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line according to claim 2, wherein: second coupling assembling including rotating shaft pin, top board, lower locating plate, constant head tank, spacing bolt and clamping spring, second coupling assembling left side correspond shaft pin hole department and be provided with the rotating shaft pin, the rotating shaft pin about both sides be provided with top board and lower locating plate respectively, top board and the inside middle part of lower locating plate all be provided with the constant head tank, lower locating plate below left and right sides all be provided with spacing bolt, the preceding right side of lower locating plate be provided with clamping spring.
4. The lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line according to claim 1 or 3, characterized in that: the external thread column penetrates through the first gasket, the second gasket, the through hole and is in threaded connection with the internal thread hole, the upper positioning plate and the lower positioning plate are respectively in rotating connection with the rotating shaft pin, and the operating knob is connected with the gear through the gear shaft.
5. The lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line according to claim 3, wherein: the locating slot be the arc structure, clamping spring be two "C" type couple formula extension springs.
6. The lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line according to claim 1, characterized in that: the titanium alloy lightning receptor adopts OCr23Ni28Mo3Cu3Ti titanium alloy or 1Cr18Ni12Mo2Ti titanium alloy, preferably OCr23Ni28Mo3Cu3Ti titanium alloy, the insulating support rod adopts a glass fiber reinforced Fiber (FRP) support rod with high insulating property, the titanium alloy down lead is composed of Ti-0.8Ni-0.3Mo titanium alloy and ferroelectric ceramic dielectric material, the insulating shielding layer adopts metallized paper or semiconductor paper tape with copper wire tape woven outside, and preferably semiconductor paper tape with copper wire tape woven outside.
7. The lightning protection breaking device for the shielding, insulating and isolating 10kV overhead insulated line according to claim 1, characterized in that: the titanium alloy lightning arrester adopts YBZ-07T type lightning arrester, the voltage stress control upper terminal adopts ZVT Boost converter, and the intelligent lightning counter adopts TS-LLC/350A type lightning counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234740.8A CN114156825A (en) | 2021-10-22 | 2021-10-22 | Lightning protection and breaking device for shielding, insulating and isolating 10kV overhead insulated line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234740.8A CN114156825A (en) | 2021-10-22 | 2021-10-22 | Lightning protection and breaking device for shielding, insulating and isolating 10kV overhead insulated line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114156825A true CN114156825A (en) | 2022-03-08 |
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ID=80458393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111234740.8A Withdrawn CN114156825A (en) | 2021-10-22 | 2021-10-22 | Lightning protection and breaking device for shielding, insulating and isolating 10kV overhead insulated line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114156825A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4322350A1 (en) * | 2022-08-12 | 2024-02-14 | Eugeniusz Smycz | Lightning protection of large-area building structures, especially with roofs equipped with photovoltaic panels |
-
2021
- 2021-10-22 CN CN202111234740.8A patent/CN114156825A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4322350A1 (en) * | 2022-08-12 | 2024-02-14 | Eugeniusz Smycz | Lightning protection of large-area building structures, especially with roofs equipped with photovoltaic panels |
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Application publication date: 20220308 |