CN202189630U - 10kV lightning flashover protector with discharge counter - Google Patents

10kV lightning flashover protector with discharge counter Download PDF

Info

Publication number
CN202189630U
CN202189630U CN 201120311415 CN201120311415U CN202189630U CN 202189630 U CN202189630 U CN 202189630U CN 201120311415 CN201120311415 CN 201120311415 CN 201120311415 U CN201120311415 U CN 201120311415U CN 202189630 U CN202189630 U CN 202189630U
Authority
CN
China
Prior art keywords
zinc oxide
discharge counter
pressure
screw
oxide arrester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201120311415
Other languages
Chinese (zh)
Inventor
吴栋发
尹贵宾
张辉
田建磊
朱镜勋
王洪章
邱凌
戴兵
程保胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHAN SHUIYUAN ELECTRICAL CO Ltd
Duyun Power Supply Bureau of Guizhou Power Grid Co Ltd
Original Assignee
WUHAN SHUIYUAN ELECTRICAL CO Ltd
Duyun Power Supply Bureau of Guizhou Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUHAN SHUIYUAN ELECTRICAL CO Ltd, Duyun Power Supply Bureau of Guizhou Power Grid Co Ltd filed Critical WUHAN SHUIYUAN ELECTRICAL CO Ltd
Priority to CN 201120311415 priority Critical patent/CN202189630U/en
Application granted granted Critical
Publication of CN202189630U publication Critical patent/CN202189630U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-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
    • H01C7/10Non-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
    • H01C7/12Overvoltage protection resistors

Abstract

The utility model discloses a 10kV lightning flashover protector with a discharge counter. A hoop and a hoop connecting plate are connected in a matching way. A tower support cross arm is clamped and fixed between the hoop and the hoop connecting plate. A support frame is fixed on a screw rod of the hoop. One end of a discharge counter installation plate is fixedly connected with the discharge counter and the other end is connected with an adjusting plate. The high-voltage wire outlet end of the discharge counter is connected with the low-voltage end of a zinc oxide lightning arrester. One end of the adjusting plate is fixedly connected with the support frame and the other end is connected with the installation plate. One end of an insulating plate is fixedly connected with the low-voltage end of the zinc oxide lightning arrester, and the other end is fixedly connected with the installation plate. A discharge electrode is fixed at the high-voltage end of the zinc oxide lightning arrester, and a transmission conductor is arranged on the discharge electrode. The 10kV lightning flashover protector can solve the problems of lightning and broken wire of various 10kV overhead distribution lines and record the lightning stroke times and has practicability and economical efficiency.

Description

A kind of 10kV lightning stroke flashover protector of belt discharge counter
Technical field
The utility model relates to lightning protection equipment, refers to a kind of 10kV lightning stroke flashover protector of belt discharge counter particularly.
Background technology
The lightning overvoltage amplitude of 10kV overhead distribution is high, and discharge time is short, and the insulation level of 10kV distribution line is low, and lightning overvoltage can make insulator generation flashover, on the lightning stroke flashover passage, forms power frequency continued flow and blows lead.The main cause that causes broken string is on the lightning stroke flashover passage, to build arc to form power frequency continued flow, and the temperature of arc root is very high, can at short notice lead be blown, even plain conductor if the electric current that passes through is very big, also can blow lead.
The overhead distribution line line pole tower generally is divided into angle pole, straight line pole, terminal pole, strain insulator bar, branch's (cross) bar.Because straight line pole is simple in structure; Whole piece circuit occupation proportion is big, so the mode that the installation of 10kV line thunder protection protective device is in the market taked is that straight line pole only is installed, and the shaft tower of other type is all taked not adorn the mode of skipping; This is because the tower structure of other type is complicated; And the shaft tower model is many, can not form unified mounting structure pattern, and this just brings inconvenience to site operation.Just because of significant limitation is arranged on mounting means at present, this just makes from the lightning protection effect of whole piece circuit, and particularly concerning the heavier zone of damage to crops caused by thunder, lightning protection effect just can not be fine.
Summary of the invention
The purpose of the utility model just is to overcome the shortcoming and defect of existing lightning protection measures and the existence of installation aspect, and a kind of 10kV lightning stroke flashover protector of belt discharge counter is provided.
For realizing above-mentioned purpose; The 10kV lightning stroke flashover protector of a kind of belt discharge counter that the utility model designed; Comprise that shaft tower supports cross-arm, transmission pressure and line insulator, line insulator hangs over shaft tower and supports on the cross-arm, and transmission pressure places on the insulator; It also comprises anchor ear, anchor ear connecting plate, bracing frame, discharge counter mounting panel, discharge counter, adjustable plate, mounting panel, insulation board, zinc oxide arrester and sparking electrode; Said anchor ear matches with the anchor ear connecting plate and is connected, and said shaft tower supports cross-arm and is fixedly clamped between anchor ear and anchor ear connecting plate, and support frame as described above is fixed on the screw mandrel of anchor ear; One end face of said discharge counter mounting panel is fixedly connected with discharge counter, and the other end is connected with adjustable plate; The high-voltage terminal end of said discharge counter is connected with the low-pressure end of said zinc oxide arrester, and an end of said adjustable plate is fixedly connected with bracing frame, and the other end is connected with mounting panel; One end of said insulation board is fixedly connected with the low-pressure end of said zinc oxide arrester, and the other end is fixedly connected with mounting panel; Said sparking electrode is fixed on the high-pressure side of zinc oxide arrester, and said transmission pressure places on the sparking electrode, between transmission pressure and zinc oxide arrester, forms discharging gap.
Particularly, the two ends of said anchor ear are respectively arranged with the first fixing fixing screw mandrel of screw mandrel and second, one side be provided with a V-arrangement briquetting that compresses that can shaft tower be supported cross-arm in the middle of the said anchor ear; Said anchor ear connecting plate is the Z-shaped structure of bending, and two ends are provided with respectively the first fixedly screw mandrel and the second fixing screw mandrel first fixing fixing circular hole of circular hole and second that match and be connected with anchor ear.Like this, match with anchor ear and anchor ear connecting plate and shaft tower to be supported cross-arm clamp, and bracing frame is fixed on the screw mandrel place of anchor ear, in order to support lightning stroke flashover protector body.
Particularly; Support frame as described above is the angle steel structure; Support frame as described above two ends on one side are provided with respectively the second fixing flute profile fixing hole that is fixedly connected of screw mandrel with two anchor ears, and the centre on the same one side of support frame as described above is provided with the hole that installs and fixes that is fixedly connected with adjustable plate.
Particularly; Said discharge counter mounting panel is the L-shaped bending structures of a kind of both ends of the surface; One side is provided with the first earth terminal screw and the second earth terminal screw that is fixedly connected with discharge counter, and another side is provided with the first support screw and second that is connected with adjustable plate and supports screw.
Particularly; Said discharge counter comprises thunderbolt number of times indication dial plate, high-voltage terminal sleeve pipe, high-voltage terminal terminated line sheet, first earth terminal and second earth terminal; Said high-voltage terminal terminated line sheet is fixed on high the extrusion on the sleeve pipe through nut, and the other end of the stranded conductor that the wiring hole of said high-voltage terminal terminated line sheet picks out is fixedly connected with the low-pressure end of zinc oxide arrester; First earth terminal of said discharge counter is fixedly connected with the second earth terminal screw with the first earth terminal screw of discharge counter mounting panel respectively through screw rod with second earth terminal.
Particularly, said adjustable plate is L shaped structure, and an end is provided with through install and fix the bracing frame fixing hole that hole be fixedly connected of screw rod with support frame as described above; The other end is provided with a plurality of adjustment holes that are used to regulate distance between sparking electrode and the transmission pressure.
Particularly; Said mounting panel is L shaped structure; Two ends are respectively arranged with supports slotted hole and U-shaped fixing hole, and said support slotted hole installs and fixes with one of them adjustment hole of said adjustable plate through screw rod and is connected, and said U-shaped fixing hole installs and fixes with insulation board through screw rod and is connected.Like this, discharge counter is connected with the discharge counter mounting panel, and is fixed on the mounting panel, is used to support discharge counter.
Particularly; Said insulation board is provided with the block structure of zinc oxide arrester low-pressure end screw and mounting panel screw for it; Said insulation board is fixedly connected with the low-pressure end of zinc oxide arrester through zinc oxide arrester low-pressure end screw, and the mounting panel screw of said insulation board installs and fixes with the U-shaped fixing hole of said mounting panel through screw rod and is connected.
Particularly; Said zinc oxide arrester comprises high-pressure side screw rod, hold-down nut, compresses spiral shell, composite sheath, zinc oxide valve plate and low-pressure end screw rod; Said zinc oxide valve plate places the center of zinc oxide arrester; Said composite sheath is enclosed within outside the zinc oxide valve plate, and the low-pressure end screw rod of said zinc oxide arrester is fixedly connected with the stranded conductor that the wiring hole of the high-voltage terminal terminated line sheet of said discharge counter picks out, and is fixedly connected with the zinc oxide arrester low-pressure end screw of insulation board.
Particularly; The T shape structure that said sparking electrode is connected to form for discharge face that is cambered surface and the vertical cylinder that is provided with by horizontally set; The top of said cylindrical center is provided with the fixing threaded hole that is connected with the high-pressure side screw rod of zinc oxide arrester, and the bottom of cylindrical center is divided into the nut bore of the hold-down nut that covers the zinc oxide arrester high-pressure side.
The utlity model has advantage and good effect:
1, satisfy the performance requirement of zinc oxide arrester, discharge counter and the gold utensil of GB regulation, the discharge residual voltage is much smaller than the flashover voltage of insulator;
2, discharge counter can write down the thunderbolt number of times, can alleviate maintainer's working strength, has improved operating efficiency;
3, adopt pure air gap, this device does not bear system voltage, utilizes zinc oxide arrester and discharge counter, not only strengthens reliability and useful life, and has reduced maintenance cost;
4, have good operating characteristics, sparking electrode has enough thickness and volume, stands repeatedly burning of power frequency arc, though scaling loss also can freely change, easy to maintenance;
5, because this device adopts nature body ground connection, must not increase extra earth resistance, easy for installation, simple, reliable;
6, reasonable in design, can through adopting the various supports part, install flexibly according to the mounting means of on-the-spot overhead transmission line, be applicable to the installation of various 10kV overhead transmission line shaft towers;
The utility model can not be only applicable to straight line pole, and can both be suitable for for angle pole, terminal pole, strain insulator bar, branch's (cross) bar etc. according to different mounting structure combinations.The utility model is except can be to all 10kV overhead transmission line shaft towers, record lightning current number of times that can also be accurate and effective, and what be convenient to that the field monitoring personnel add up whole piece 10kV overhead transmission line suffers the thunderbolt situation.
Description of drawings
Fig. 1 uses the structural representation of novel lightning stroke flashover protector for this.
Fig. 2 is the structural representation of anchor ear among Fig. 1.
Fig. 3 is the structural representation of anchor ear connecting plate among Fig. 1.
Fig. 4 is the structural representation of bracing frame among Fig. 1.
Fig. 5 is the structural representation of discharge counter mounting panel among Fig. 1.
Fig. 6 is the structural representation of discharge counter among Fig. 1.
Fig. 7 is the structural representation of adjustable plate among Fig. 1.
Fig. 8 is the structural representation of mounting panel among Fig. 1.
Fig. 9 is the structural representation of insulation board among Fig. 1.
Figure 10 is the structural representation of zinc oxide arrester among Fig. 1.
Figure 11 is the structural representation of arc electrode among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify.
The 10kV lightning stroke flashover protector of the belt discharge counter shown in Fig. 1; Comprise that shaft tower supports cross-arm 11, transmission pressure 12 and line insulator 13; Line insulator 13 hangs over shaft tower and supports on the cross-arm 11; Transmission pressure 12 places on the insulator 13, and it also comprises two anchor ears 1, two anchor ear connecting plates 2, bracing frame 3, discharge counter mounting panel 4, discharge counter 5, adjustable plate 6, mounting panel 7, insulation board 8, zinc oxide arrester 9 and sparking electrodes 10.Anchor ear 1 matches with anchor ear connecting plate 2 and is connected, and shaft tower supports cross-arm 11 and is fixedly clamped between anchor ear 1 and anchor ear connecting plate 2, and bracing frame 3 is fixed on the screw mandrel of anchor ear 1.One end face of discharge counter mounting panel 4 is fixedly connected with discharge counter 5, and the other end is connected with adjustable plate 6.The high-voltage terminal end of discharge counter 5 is connected with the low-pressure end of said zinc oxide arrester 9, and an end of adjustable plate 6 is fixedly connected with bracing frame 3, and the other end is connected with mounting panel 7.One end of insulation board 8 is fixedly connected with the low-pressure end of said zinc oxide arrester 9, and the other end is fixedly connected with mounting panel 7.Sparking electrode 10 is fixed on the high-pressure side of zinc oxide arrester 9, and transmission pressure 12 places on the sparking electrode 10, between transmission pressure 12 and zinc oxide arrester 9, forms a 20mm discharging gap.
The two ends of Fig. 1, the anchor ear shown in 21 are respectively arranged with the first fixing fixing screw mandrel 1.2 of screw mandrel 1.1 and second, one side be provided with a V-arrangement briquetting 1.3 that compresses that can shaft tower be supported cross-arm 11 in the middle of the anchor ear 1.Anchor ear 1 adopts the round steel bending of 8mm to form, and the surface adopts hot galvanizing to handle.
Anchor ear connecting plate 2 shown in Fig. 1~3 is for by thickness being the Z-shaped structure that the iron plate of 4mm is bent into; Two ends be provided with respectively with anchor ear 1 first fixedly screw mandrel 1.1 with second fixedly screw mandrel 1.2 match and be connected the first fixing fixing circular hole 2.2 of circular hole 2.1 and second of 10mm, the surface adopts hot galvanizing to handle.
Be connected with two anchor ears 1 and two anchor ear connecting plates 2; Anchor ear connecting plate 2 first fixedly circular hole 2.1 with second fixedly circular hole 2.2 respectively with anchor ear 1 first fixedly screw mandrel 1.1 with second fixedly screw mandrel 1.2 be connected; And after the shaft tower on the shaft tower supported cross-arm 11 and clamps; Tighten hold-down nut, V-arrangement briquetting 1.3 tightly is pressed in one side that shaft tower supports cross-arm 11, is used for providing support to bracing frame 3.
Fig. 1, the bracing frame shown in 43 are the angle steel structure of 50 * 5mm; Bracing frame 3 two ends on one side are provided with respectively the second fixing flute profile fixing hole 3.1 that is fixedly connected of screw mandrel 1.2 with anchor ear 1; Bracing frame 3 with centre on one side be provided with two is fixedly connected with adjustable plate 6 install and fix hole 3.2, surface employing hot galvanizing processing.Two flute profile fixing holes 3.1 of bracing frame 3 are respectively fixed to second fixedly on the screw mandrel 1.2 of two anchor ears 1, are used to support the lightning stroke flashover protector, and make the lightning stroke flashover protector through the shaft tower natural grounding.
Fig. 1, the discharge counter mounting panel 4 shown in 5 are the L-shaped bending structures of a kind of both ends of the surface; One side is provided with the first earth terminal screw 4.1 and the second earth terminal screw 4.4 that is fixedly connected with discharge counter 5, and another side is provided with the first support screw 4.2 and second that is connected with adjustable plate 6 and supports screw 4.3.Discharge counter mounting panel 4 is used for fixing discharge counter 5.Discharge counter mounting panel 4 is that the cast iron steel of 3mm are bent into 90 ° by thickness, and the steel surface hot galvanizing is handled.
Discharge counter 5 shown in Fig. 1~6 comprises thunderbolt number of times indication dial plate 5.1, high-voltage terminal sleeve pipe 5.2, high-voltage terminal terminated line sheet 5.3, first earth terminal 5.4 and second earth terminal 5.5.The high-voltage terminal terminated line sheet 5.3 of discharge counter 5 is fixed on high the extrusion on the sleeve pipe 5.2 through nut; The other end of the stranded conductor that the wiring hole of high-voltage terminal terminated line sheet 5.3 picks out is fixedly connected with the low-pressure end of zinc oxide arrester 9, and is fixedly connected with the zinc oxide arrester low-pressure end screw 8.1 of insulation board 8.This structure can not only support zinc oxide arrester 9, and makes between zinc oxide arrester 9 and the ground and be connected in series discharge counter 5.When lightning wave, lightning wave is through zinc oxide arrester 9 and discharge counter 5 inflow places, and the dial plate 5.1 of the thunderbolt number of times of discharge counter 5 indication at this moment can write down the thunderbolt number of times, can monitor lightning wave.
Adjustable plate 6 shown in Fig. 1~7 is for to process L shaped structure by aluminum alloy materials, and an end is provided with the bracing frame fixing hole 6.1 that hole 3.2 is fixedly connected that installs and fixes that passes through screw rod and support frame as described above 3 of two Φ 10mm; The other end is provided with the adjustment hole 6.2 that 6 Φ 10mm are used to regulate distance between sparking electrode 10 and the transmission pressure 12.
Mounting panel 7 shown in Fig. 1~8 is L shaped structure; Two ends are respectively arranged with supports slotted hole 7.1 and U-shaped fixing hole 7.2; Support slotted hole 7.1 installs and fixes with one of them adjustment hole 6.2 of said adjustable plate 6 through screw rod and is connected, and U-shaped fixing hole 7.2 installs and fixes with insulation board 8 through screw rod and is connected.Through being installed to the position in different adjustment hole 6.2, can regulate the distance of sparking electrode 10 and transmission pressure 12, make this distance in the scope that requires, and zinc oxide arrester 9 and ground are insulated through insulation board 8, be convenient to the use of discharge counter 5.
Insulation board 8 shown in Fig. 1~9 is for being the block structure that the high-strength epoxy plate of 21mm is processed into by thickness, and insulation board 8 is provided with zinc oxide arrester low-pressure end screw 8.1 and mounting panel screw 8.2.Insulation board 8 is fixedly connected with the low-pressure end of zinc oxide arrester 9 through zinc oxide arrester low-pressure end screw 8.1, is used to support zinc oxide arrester 9; The mounting panel screw 8.2 of insulation board 8 installs and fixes with the U-shaped fixing hole 7.2 of mounting panel 7 through screw rod and is connected, and is used for being insulated in discharge counter 5 two ends.
Zinc oxide arrester 9 shown in Fig. 1~10 comprises high-pressure side screw rod 9.1, hold-down nut 9.2, compresses spiral shell 9.3, composite sheath 9.4, zinc oxide valve plate 9.5 and low-pressure end screw rod 9.6.Zinc oxide valve plate 9.5 places the center of zinc oxide arrester 9, and composite sheath 9.4 is enclosed within outside the zinc oxide valve plate 9.5.The low-pressure end screw rod 9.6 of zinc oxide arrester 9 is fixedly connected with the stranded conductor that the wiring hole of the high-voltage terminal terminated line sheet 5.3 of discharge counter 5 picks out, and is fixedly connected with the zinc oxide arrester low-pressure end screw 8.1 of insulation board 8.
The T shape structure that sparking electrode 10 shown in Fig. 1~11 is connected to form for discharge face that is cambered surface 10.1 and the vertical cylinder 10.4 that is provided with by horizontally set; The top at cylinder 10.4 centers is provided with fixing threaded hole 10.2, and the bottom at cylinder 10.4 centers is divided into nut bore 10.3.Fixing threaded hole 10.2 can make sparking electrode 10 be fixed on the high-pressure side screw rod 9.1 of zinc oxide arrester 9, and tightening back nut hole 10.3 can cover the hold-down nut 9.2 of zinc oxide arrester 9, simultaneously sparking electrode 10 is installed firmly.When installing on the line, transmission pressure 12 is placed on the discharge face 10.1 of sparking electrode 10, form the discharging gap between transmission pressure 12 and the zinc oxide arrester 9.
The operation principle of the utility model is:
Because the lightning overvoltage amplitude of 10kV overhead distribution is high, discharge time is short, and the insulation level of 10kV distribution line is low, and lightning overvoltage can make insulator generation flashover, on the lightning stroke flashover passage, forms power frequency continued flow and blows transmission pressure.
When electrical network normally moves; Because sparking electrode 10 forms a 20mm discharging gap between transmission pressure 12 and zinc oxide arrester 9; Just isolated power-frequency voltage this moment, zinc oxide arrester 9 bears system voltage hardly with discharge counter 5,20mm gap simultaneously reasonable in design; Zinc oxide arrester 9 and discharge counter 5 can be failure to actuate bearing switching overvoltage, thereby prolong the useful life of zinc oxide arrester 9 and discharge counter 5.
Lightning overvoltage as direct lightning strike or the generation of induction thunder is done the time spent, and the air gap is breakdown, and zinc oxide arrester 9 presents Low ESR with discharge counter 5 interior valve blocks, thereby just lightning current is released into ground, and makes discharge counter 5 suctions moving once; After the lightning impulse, power-frequency voltage loads on zinc oxide arrester 9 and the discharge counter 5, and the resistance moment change of zinc oxide arrester 9 is big; The electric current that passes through is that arc current is suppressed in low numerical value; Increase falls in the air gap arc voltage, and the insulation of air gap recovers rapidly, and electric arc extinguishes in the short time at the utmost point naturally; Power frequency continued flow is prevented the conductor cord disconnection accident that is caused by lightning stroke flashover by blocking fully.

Claims (10)

1. the 10kV lightning stroke flashover protector of a belt discharge counter; Comprise that shaft tower supports cross-arm (11), transmission pressure (12) and line insulator (13); Line insulator (13) hangs over shaft tower and supports on the cross-arm (11); Transmission pressure (12) places on the insulator (13); It is characterized in that: it also comprises anchor ear (1), anchor ear connecting plate (2), bracing frame (3), discharge counter mounting panel (4), discharge counter (5), adjustable plate (6), mounting panel (7), insulation board (8), zinc oxide arrester (9) and sparking electrode (10); Said anchor ear (1) matches with anchor ear connecting plate (2) and is connected, and said shaft tower supports cross-arm (11) and is fixedly clamped between anchor ear (1) and anchor ear connecting plate (2), and support frame as described above (3) is fixed on the screw mandrel of anchor ear (1); One end face of said discharge counter mounting panel (4) is fixedly connected with discharge counter (5), and the other end is connected with adjustable plate (6); The high-voltage terminal end of said discharge counter (5) is connected with the low-pressure end of said zinc oxide arrester (9), and an end of said adjustable plate (6) is fixedly connected with bracing frame (3), and the other end is connected with mounting panel (7); One end of said insulation board (8) is fixedly connected with the low-pressure end of said zinc oxide arrester (9), and the other end is fixedly connected with mounting panel (7); Said sparking electrode (10) is fixed on the high-pressure side of zinc oxide arrester (9), and said transmission pressure (12) places on the sparking electrode (10), between transmission pressure (12) and zinc oxide arrester (9), forms discharging gap.
2. according to the 10kV lightning stroke flashover protector of the said a kind of belt discharge counter of claim 1; It is characterized in that: the two ends of said anchor ear (1) are respectively arranged with the first fixing fixing screw mandrel (1.2) of screw mandrel (1.1) and second, be provided with in the middle of the said anchor ear (1) one can with shaft tower support cross-arm (11) one side the V-arrangement briquetting (1.3) that compresses; Said anchor ear connecting plate (2) is the Z-shaped structure of bending, and two ends are provided with respectively the first fixedly screw mandrel (1.1) and second fixing screw mandrel (1.2) the first fixing fixing circular hole (2.2) of circular hole (2.1) and second that match and be connected with anchor ear (1).
3. according to the 10kV lightning stroke flashover protector of claim 1 or 2 said a kind of belt discharge counters; It is characterized in that: support frame as described above (3) is the angle steel structure; Support frame as described above (3) two ends on one side are provided with respectively the second fixing flute profile fixing hole (3.1) that is fixedly connected of screw mandrel (1.2) with two anchor ears (1), the centre on the same one side of support frame as described above (3) be provided be fixedly connected with adjustable plate (6) install and fix hole (3.2).
4. according to the 10kV lightning stroke flashover protector of the said a kind of belt discharge counter of claim 1; It is characterized in that: said discharge counter mounting panel (4) is the L-shaped bending structures of a kind of both ends of the surface; One side is provided with the first earth terminal screw (4.1) and the second earth terminal screw (4.4) that is fixedly connected with discharge counter (5), and another side is provided with the first support screw (4.2) and second that is connected with adjustable plate (6) and supports screw (4.3).
5. according to the 10kV lightning stroke flashover protector of the said a kind of belt discharge counter of claim 1; It is characterized in that: said discharge counter (5) comprises thunderbolt number of times indication dial plate (5.1), high-voltage terminal sleeve pipe (5.2), high-voltage terminal terminated line sheet (5.3), first earth terminal (5.4) and second earth terminal (5.5); Said high-voltage terminal terminated line sheet (5.3) is fixed on high the extrusion on the sleeve pipe (5.2) through nut, and the other end of the stranded conductor that the wiring hole of said high-voltage terminal terminated line sheet (5.3) picks out is fixedly connected with the low-pressure end of zinc oxide arrester (9); First earth terminal (5.4) of said discharge counter (5) is fixedly connected with the second earth terminal screw (4.4) with the first earth terminal screw (4.1) of discharge counter mounting panel (4) respectively through screw rod with second earth terminal (5.5).
6. according to the 10kV lightning stroke flashover protector of the said a kind of belt discharge counter of claim 1; It is characterized in that: said adjustable plate (6) is L shaped structure, and an end is provided with through install and fix the bracing frame fixing hole (6.1) that hole (3.2) be fixedly connected of screw rod with support frame as described above (3); The other end is provided with a plurality of adjustment holes (6.2) that are used to regulate distance between sparking electrode (10) and the transmission pressure (12).
7. according to the 10kV lightning stroke flashover protector of the said a kind of belt discharge counter of claim 1; It is characterized in that: said mounting panel (7) is L shaped structure; Two ends are respectively arranged with supports slotted hole (7.1) and U-shaped fixing hole (7.2); Said support slotted hole (7.1) installs and fixes with one of them adjustment hole (6.2) of said adjustable plate (6) through screw rod and is connected, and said U-shaped fixing hole (7.2) installs and fixes with insulation board (8) through screw rod and is connected.
8. according to the 10kV lightning stroke flashover protector of the said a kind of belt discharge counter of claim 1; It is characterized in that: said insulation board (8) is provided with the block structure of zinc oxide arrester low-pressure end screw (8.1) and mounting panel screw (8.2) for it; Said insulation board (8) is fixedly connected with the low-pressure end of zinc oxide arrester (9) through zinc oxide arrester low-pressure end screw (8.1), and the mounting panel screw (8.2) of said insulation board (8) installs and fixes with the U-shaped fixing hole (7.2) of said mounting panel (7) through screw rod and is connected.
9. according to the 10kV lightning stroke flashover protector of the said a kind of belt discharge counter of claim 1; It is characterized in that: said zinc oxide arrester (9) comprises high-pressure side screw rod (9.1), hold-down nut (9.2), compresses spiral shell (9.3), composite sheath (9.4), zinc oxide valve plate (9.5) and low-pressure end screw rod (9.6); Said zinc oxide valve plate (9.5) places the center of zinc oxide arrester (9); Said composite sheath (9.4) is enclosed within outside the zinc oxide valve plate (9.5); The low-pressure end screw rod (9.6) of said zinc oxide arrester (9) is fixedly connected with the stranded conductor that the wiring hole of the high-voltage terminal terminated line sheet (5.3) of said discharge counter (5) picks out, and is fixedly connected with the zinc oxide arrester low-pressure end screw (8.1) of insulation board (8).
10. according to the 10kV lightning stroke flashover protector of claim 1 or 9 said a kind of belt discharge counters; It is characterized in that: the T shape structure that said sparking electrode (10) is connected to form for discharge face that is cambered surface (10.1) and the vertical cylinder (10.4) that is provided with by horizontally set; The top at said cylinder (10.4) center is provided with the fixing threaded hole (10.2) that is connected with the high-pressure side screw rod (9.1) of zinc oxide arrester (9), and the bottom at cylinder (10.4) center is divided into the nut bore (10.3) of the hold-down nut (9.2) that covers zinc oxide arrester (9) high-pressure side.
CN 201120311415 2011-08-25 2011-08-25 10kV lightning flashover protector with discharge counter Expired - Fee Related CN202189630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120311415 CN202189630U (en) 2011-08-25 2011-08-25 10kV lightning flashover protector with discharge counter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120311415 CN202189630U (en) 2011-08-25 2011-08-25 10kV lightning flashover protector with discharge counter

Publications (1)

Publication Number Publication Date
CN202189630U true CN202189630U (en) 2012-04-11

Family

ID=45921066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120311415 Expired - Fee Related CN202189630U (en) 2011-08-25 2011-08-25 10kV lightning flashover protector with discharge counter

Country Status (1)

Country Link
CN (1) CN202189630U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103812010A (en) * 2014-03-12 2014-05-21 陈勃闻 Two-stage series gap lightning flashover protector with discharge counter
CN104836186A (en) * 2015-05-19 2015-08-12 江苏省电力公司常州供电公司 10kV flexible cable intermediate joint with counting function
CN109473941A (en) * 2018-07-27 2019-03-15 国网浙江桐乡市供电有限公司 A kind of arrester special isolation cross-arm

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103812010A (en) * 2014-03-12 2014-05-21 陈勃闻 Two-stage series gap lightning flashover protector with discharge counter
CN104836186A (en) * 2015-05-19 2015-08-12 江苏省电力公司常州供电公司 10kV flexible cable intermediate joint with counting function
CN104836186B (en) * 2015-05-19 2017-03-08 江苏省电力公司常州供电公司 10kV flexible cable transition joint with tally function
CN109473941A (en) * 2018-07-27 2019-03-15 国网浙江桐乡市供电有限公司 A kind of arrester special isolation cross-arm

Similar Documents

Publication Publication Date Title
CN105514802B (en) Can charged for replacement two-stage series connection gap lightning stroke flashover protector
CN202189630U (en) 10kV lightning flashover protector with discharge counter
CN201307473Y (en) Lightning protector for 10 kV line
CN201497774U (en) Lightning-stroke protection and monitoring device with discharge electrode and discharge counter for ten-kilovolt circuit
CN201000800Y (en) External air gap zinc oxide lightning arrester and its installation apparatus for power transmission line
CN204884740U (en) Take 10kV circuit porcelain cross arm insulator lightning protection device of counter
CN104599798A (en) Direct current lightning arrester and system using the same
CN201348907Y (en) Lightning protector of 10kV line
CN205160010U (en) Ground connection system that hinders falls in electric power lightning protection
CN102290177B (en) 10kV multi-stage series gap lightning stroke flashover protector with arc striking electrode
CN202121283U (en) 35kV power transmission line tension support lightning stroke protective device
CN202282207U (en) 10kV multistage series gap lightning stroke flashover protector with arc strike electrode
CN204407847U (en) A kind of preformed wire type lightning protection hardware protector
CN103269014A (en) Electric power line arrester
CN205488998U (en) A multi -stage series connection clearance thunderbolt flashover protector for 10kV takes spheric electrode
CN103812010A (en) Two-stage series gap lightning flashover protector with discharge counter
CN109509596A (en) A kind of metal oxide arrester
CN201117373Y (en) Line insulator lightning protection overvoltage protector
CN206313286U (en) A kind of arrester
CN206134637U (en) Lightning -arrest type drop out fuse
CN103762517A (en) High-voltage ground wire installation method
CN204012185U (en) The multi-functional lightning arrester of a kind of overhead transmission line adjustable clearance
CN211480883U (en) Fixed-gap multi-chamber gap lightning arrester capable of being replaced in electrified mode
CN209199692U (en) A kind of tension-resistant rod external series gap metal oxide arrester
CN209199696U (en) A kind of novel metal oxide arrester

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120411

Termination date: 20140825