CN112928602A - Arrester with adjustable discharge gap - Google Patents

Arrester with adjustable discharge gap Download PDF

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Publication number
CN112928602A
CN112928602A CN202110086193.7A CN202110086193A CN112928602A CN 112928602 A CN112928602 A CN 112928602A CN 202110086193 A CN202110086193 A CN 202110086193A CN 112928602 A CN112928602 A CN 112928602A
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CN
China
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fixedly connected
connecting rod
plate
electrode plate
groove
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CN202110086193.7A
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CN112928602B (en
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吴焕
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Zhejiang Zhongyi Electric Power Technology Co ltd
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Individual
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Publication of CN112928602A publication Critical patent/CN112928602A/en
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Publication of CN112928602B publication Critical patent/CN112928602B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01TSPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00Overvoltage arresters using spark gaps
    • H01T4/16Overvoltage arresters using spark gaps having a plurality of gaps arranged in series

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  • Elimination Of Static Electricity (AREA)

Abstract

The invention discloses a lightning arrester with an adjustable discharge gap, which comprises an insulating plate which is vertically arranged, wherein one surface of the insulating plate is fixedly connected with an insulator, the insulator is horizontally arranged, a first connecting rod is horizontally arranged above the insulator, one end, close to the insulator, of the first connecting rod is fixedly connected with a second connecting rod which is vertically arranged, the upper surface of the insulator is provided with a connecting groove, the bottom end of the second connecting rod is inserted into the connecting groove, a connecting mechanism is arranged in the connecting groove, one end, far away from the insulator, of the first connecting rod is fixedly connected with a first auxiliary electrode plate, and the first auxiliary electrode plate is fixedly connected with a connecting wire. According to the invention, the first discharge gap with adjustable size is arranged and is set to be the angle-shaped gap, so that the lightning protection effect of the device is better, a good arc extinguishing effect can be achieved, the safety performance of the device is further optimized by setting the second discharge gap, and the device is simple and practical.

Description

Arrester with adjustable discharge gap
Technical Field
The invention relates to the technical field of lightning arresters, in particular to a lightning arrester with an adjustable discharge gap.
Background
The discharge gap, also called protection gap, is generally composed of two metal rods which are exposed in the air and separated by a certain gap, wherein one metal rod is connected with a power phase line L1 or a zero line (N) of a device to be protected, the other metal rod is connected with a grounding line (PE), when an instantaneous overvoltage is attacked, the gap is broken down, a part of overvoltage charges are led into the ground, the voltage on the device to be protected is prevented from rising, the distance between the two metal rods of the discharge gap can be adjusted according to the requirements, the structure is simpler, the defect is that the arc extinguishing performance is poor, the improved discharge gap is an angle-shaped gap, the arc extinguishing function is better than that of the former, and the arc extinguishing function is realized by the action of electric force F of a loop and the rising action of hot air flow.
The discharge gap of the existing arrester is mostly fixed, so that the arrester can only play a lightning protection effect in a fixed safe voltage, no adjustable range exists, the applicability is low, and the arrester needs to be improved.
Disclosure of Invention
The invention aims to solve the problem that a discharge gap is fixed and cannot be adjusted in the prior art, and provides a lightning arrester with an adjustable discharge gap.
In order to achieve the purpose, the invention adopts the following technical scheme:
an arrester with adjustable discharge gap comprises an insulating plate which is vertically arranged, wherein one side of the insulating plate is fixedly connected with an insulator, the insulator is horizontally arranged, a first joint rod is horizontally arranged above the insulator, one end of the first joint rod, which is close to the insulator, is fixedly connected with a vertically arranged second joint rod, the upper surface of the insulator is provided with a joint groove, the bottom end of the second joint rod is inserted into the joint groove, a connecting mechanism is arranged in the joint groove, one end of the first joint rod, which is far away from the insulator, is fixedly connected with a first auxiliary electrode plate, the first auxiliary electrode plate is fixedly connected with a connecting wire, one side of the first auxiliary electrode plate, which is far away from the first joint rod, is provided with a second auxiliary electrode plate, one side of the second auxiliary electrode plate, which is far away from the first auxiliary electrode plate, is fixedly connected with two clamping plates, and, the two clamping plates are fixedly connected with an insulating plate, a connecting rod is horizontally arranged between the two clamping plates, the connecting rod is horizontally arranged and is connected with the two clamping plates in a sliding manner, the connecting rod is T-shaped, the inner sides of the two clamping plates are fixedly connected with limiting blocks, the two limiting blocks are in abutting contact with the connecting rod, one end of the connecting rod, far away from the clamping plates, is fixedly connected with a first main electrode plate, one end of the first main electrode plate, far away from the connecting rod, is provided with a second main electrode plate, one side of the second main electrode plate, far away from the first main electrode plate, is fixedly connected with a first fixing column, the first fixing column is vertically arranged and is connected with the insulating plate in a sliding manner, one side of the first fixing column, far away from the second main electrode plate, is vertically provided with, the bottom end of the second fixed column is fixedly connected with two first mounting plates which are horizontally arranged towards one side of the first fixed column, the second mounting plate is horizontally arranged between the first mounting plates, the second mounting plate is connected with the two first mounting plates in a sliding mode, the second mounting plate is fixedly connected with the first fixed columns, the second mounting plate is fixedly connected with the second fixed columns through first telescopic rods which are horizontally arranged, the second mounting plate is fixedly connected with the second fixed columns through first springs which are horizontally arranged, the first springs are wound on the first telescopic rods, and the bottom end of the second fixed column is fixedly connected with a grounding wire.
Preferably, the connecting mechanism comprises a groove arranged in the joining groove, the groove is horizontally arranged, a sliding sheet is connected in the groove in a sliding mode, the sliding sheet is fixedly connected with the inner wall of the groove through a second spring which is horizontally arranged, a clamping block is fixedly connected to one end, facing the outer side of the groove, of the sliding sheet, and a clamping groove matched with the clamping block is formed in the side face of the bottom end of the second joining rod.
Preferably, one end of the fixture block, which is far away from the inner side of the groove, is hemispherical, the clamping groove is hemispherical and is matched with the fixture block, a limiting ring is fixedly connected to an inner port of the groove, and the limiting ring is sleeved on the fixture block and is in sliding connection with the fixture block.
Preferably, the bottom end of the second joint rod is in an inverted cone shape, and the bottom end of the joint groove is in an inverted cone shape matched with the second joint rod.
Preferably, two be provided with the rotation axis between the splint, the vertical setting of rotation axis, the rotation axis runs through two splint and rotates with it and is connected, two vertically be provided with the atress board between the splint, two splint all with atress board fixed connection, the one end fixedly connected with wire rope that the connecting rod is close to splint, wire rope runs through the atress board and sliding connection with it, wire rope keeps away from the one end and the rotation axis fixed connection of connecting rod, the third spring and the atress board fixed connection that the connecting rod passes through the level and sets up.
Preferably, the bottom end of the rotating shaft is fixedly connected with an adjusting block, the adjusting block is located below the clamping plate below the adjusting block, and the adjusting block is in a cross shape.
Preferably, be located the top splint top level is provided with the restriction gear, restriction gear and rotation axis fixed connection, restriction gear top level is provided with the support frame, the support frame is the type of calligraphy of handstand, the support frame is connected with the splint upper surface fixed that is located the top, support frame below level is provided with the restriction board, the restriction board bottom surface is provided with the restriction groove that agrees with mutually with the restriction gear, the second telescopic link and the support frame bottom surface fixed connection that the restriction board passes through vertical setting, the fourth spring winding is on the second telescopic link.
Preferably, the cross sections of the first main electrode plate and the second main electrode plate are inverted trapezoids, and the first main electrode plate and the second main electrode plate are located at the same height.
Preferably, the first fixing column and the second fixing column are wound with coils.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up the second and linking the pole cooperation and linking the groove to set up the fixture block in linking the inslot, utilize the draw-in groove on the fixture block cooperation second links up the pole, make the second link up the pole and link up the groove and can dock the installation fast, thereby make the installation of subassembly such as first auxiliary electrode board more swiftly convenient, the second links up the pole simultaneously and adopts insulating material to make, has ensured the realization of device function.
2. The first auxiliary electrode plate and the second auxiliary electrode plate are arranged to form a second discharge gap, and the lightning protection dredging function of the device is further improved by arranging the second discharge gap, so that the lightning protection effect of the device is better.
3. Through setting up connecting rod cooperation splint for the connecting rod can slide adjusting position, thereby changes the distance between first main electrode board and the second main electrode board, changes the size in first discharge gap, thereby changes breakdown voltage, optimizes lightning-arrest effect.
4. The first main electrode plate and the second main electrode plate are arranged to be in a trapezoid block shape, so that an angle-shaped gap is formed, and the arc extinguishing effect of the device is better.
5. Through setting up first fixed column and second fixed column to twine the coil on first fixed column and second fixed column, when two coils circular telegrams, because the electrically conductive magnetic force that produces of coil can lead to working second main electrode plate and keep away from first main electrode plate, enlarge first discharge gap, optimize lightning-arrest effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic bottom view of the limiting plate of the present invention;
FIG. 4 is a schematic cross-sectional view of the insulator of the present invention;
FIG. 5 is a schematic bottom view of the adjusting block of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 7 is an enlarged view of portion B of FIG. 1 according to the present invention;
fig. 8 is an enlarged view of the portion C in fig. 4 according to the present invention.
In the figure: 1. an insulating plate; 2. an insulator; 3. a first engagement rod; 4. a second engagement rod; 5. a joining groove; 6. a connecting mechanism; 7. a first auxiliary electrode plate; 8. a connecting wire; 9. a second auxiliary electrode plate; 10. a splint; 11. a connecting rod; 12. a limiting block; 13. a first main electrode plate; 14. a second main electrode plate; 15. a first fixed column; 16. a second fixed column; 17. a first mounting plate; 18. a second mounting plate; 19. a first telescopic rod; 20. a first spring; 21. a ground line; 22. a groove; 23. a slide sheet; 24. a second spring; 25. a clamping block; 26. a card slot; 27. a limiting ring; 28. a rotating shaft; 29. a stress plate; 30. a wire rope; 31. a third spring; 32. an adjusting block; 33. a limit gear; 34. a support frame; 35. a limiting plate; 36. a limiting groove; 37. a second telescopic rod; 38. a fourth spring; 39. and a coil.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution:
in a first embodiment, as shown in fig. 1-8, an arrester with an adjustable discharge gap comprises an insulating plate 1 vertically disposed, one side of the insulating plate 1 is fixedly connected with an insulator 2, the insulator 2 is horizontally disposed, a first connecting rod 3 is horizontally disposed above the insulator 2, one end of the first connecting rod 3 close to the insulator 2 is fixedly connected with a second connecting rod 4 vertically disposed, the upper surface of the insulator 2 is provided with a connecting groove 5, the bottom end of the second connecting rod 4 is inserted into the connecting groove 5, a connecting mechanism 6 is disposed in the connecting groove 5, one end of the first connecting rod 3 far away from the insulator 2 is fixedly connected with a first auxiliary electrode plate 7, the first auxiliary electrode plate 7 is fixedly connected with a connecting wire 8, one side of the first auxiliary electrode plate 7 far away from the first connecting rod 3 is provided with a second auxiliary electrode plate 9, the first auxiliary electrode plate 7 and the second auxiliary electrode plate 9 cooperate to form a second discharge gap, one side of the second auxiliary electrode plate 9, which faces away from the first auxiliary electrode plate 7, is fixedly connected with two clamping plates 10, the two clamping plates 10 are horizontally arranged, the two clamping plates 10 are fixedly connected with the insulating plate 1, a connecting rod 11 is horizontally arranged between the two clamping plates 10, the connecting rod 11 is horizontally arranged, the connecting rod 11 is in sliding connection with the two clamping plates 10, the connecting rod 11 is in a T shape, the inner sides of the two clamping plates 10 are fixedly connected with limiting blocks 12, the two limiting blocks 12 are in abutting contact with the connecting rod 11, one end, away from the clamping plates 10, of the connecting rod 11 is fixedly connected with a first main electrode plate 13, one end, away from the connecting rod 11, of the first main electrode plate 13 is provided with a second main electrode plate 14, the first main electrode plate 13 and the second main electrode plate 14 form a first discharge gap, one side, away from the first main electrode plate 13, the first fixing column 15 is connected with the insulating plate 1 in a sliding manner, one side of the first fixing column 15, which is far away from the second main electrode plate 14, is vertically provided with a second fixing column 16, the second fixing column 16 is fixedly connected with the insulating plate 1, one side, which faces the first fixing column 15, of the bottom end of the second fixing column 16 is fixedly connected with two horizontally arranged first mounting plates 17, a second mounting plate 18 is horizontally arranged between the two first mounting plates 17, the second mounting plate 18 is connected with the two first mounting plates 17 in a sliding manner, the second mounting plate 18 is fixedly connected with the first fixing column 15, the second mounting plate 18 is fixedly connected with the second fixing column 16 through a horizontally arranged first telescopic rod 19, the second mounting plate 18 is fixedly connected with the second fixing column 16 through a horizontally arranged first spring 20, the first spring 20 is wound on the first telescopic rod 19, the bottom end of the second fixing column 16 is fixedly connected with a grounding wire 21, and coils 39 are wound on the first, after the coil 30 is electrically conducted, magnetic force is generated to pull the second main electrode plate 14 to move, and the size of the first discharge gap is changed.
In the second embodiment, as shown in fig. 4 and 8, the connection mechanism 6 includes a groove 22 disposed in the engagement groove 5, the groove 22 is horizontally disposed, a sliding piece 23 is slidably connected in the groove 22, the sliding piece 23 is fixedly connected to the inner wall of the groove 22 through a second spring 24 horizontally disposed, one end of the sliding piece 23 facing the outside of the groove 22 is fixedly connected with a clamping block 25, a clamping groove 26 engaged with the clamping block 25 is disposed on the side surface of the bottom end of the second engagement rod 4, one end of the clamping block 25 away from the inside of the groove 22 is hemispherical, the clamping groove 26 is hemispherical engaged with the clamping block 25, an end opening in the groove 22 is fixedly connected with a limit ring 27, the limit ring 27 is sleeved on the clamping block 25 and slidably connected therewith, the clamping block 25 is engaged with the clamping groove 26 to replace a conventional connection manner, so that the assembly of the second engagement rod 4.
Third embodiment, as shown in fig. 4 and 8, the bottom end of the second engagement rod 4 has an inverted conical shape, and the bottom end of the engagement groove 5 has an inverted conical shape, which the second engagement rod 4 fits into, so that the second engagement rod 4 can push the latch 25 back into the groove 22, thereby facilitating the connection of the second engagement rod 4 to the engagement groove 5.
In the fourth embodiment, as shown in fig. 1 and 5, a rotating shaft 28 is disposed between two clamping plates 10, the rotating shaft 28 is vertically disposed, the rotating shaft 28 penetrates through and is rotatably connected with the two clamping plates 10, a stress plate 29 is vertically disposed between the two clamping plates 10, both the two clamping plates 10 are fixedly connected with the stress plate 29, a steel wire rope 30 is fixedly connected to one end of the connecting rod 11 close to the clamping plate 10, the steel wire rope 30 penetrates through and is slidably connected with the stress plate 29, one end of the steel wire rope 30 far from the connecting rod 11 is fixedly connected with the rotating shaft 28, the connecting rod 11 is fixedly connected with the stress plate 29 through a horizontally disposed third spring 31, an adjusting block 32 is fixedly connected to the bottom end of the rotating shaft 28, the adjusting block 32 is located below the clamping plate 10 below, the adjusting block, the assembly of the adjusting block 32, the third spring 31 and the wire rope 30 is used to control and pull the first main electrode plate 13, so as to change the size of the first discharge gap.
In the fifth embodiment, as shown in fig. 1-3 and 7, a limiting gear 33 is horizontally disposed above the upper splint 10, the limiting gear 33 is fixedly connected with the rotating shaft 28, a supporting frame 34 is horizontally disposed above the limiting gear 33, the supporting frame 34 is inverted concave, the supporting frame 34 is fixedly connected with the upper surface of the upper splint 10, a limiting plate 35 is horizontally disposed below the supporting frame 34, a limiting groove 36 matched with the limiting gear 33 is disposed on the bottom surface of the limiting plate 35, the limiting plate 35 is fixedly connected with the bottom surface of the supporting frame 34 through a second vertically disposed telescopic rod 37, the limiting plate 35 is fixedly connected with the bottom surface of the supporting frame 34 through a fourth vertically disposed spring 38, the fourth spring 38 is wound on the second telescopic rod 37, the limiting gear 33 is locked through the provision of the limiting plate 35, the rotation of the locking rotating shaft 28 is indirectly controlled, and the movement of the connecting rod 11 is controlled, the distance between the first main electrode plate 13 and the second main electrode plate 14 is controlled.
In sixth embodiment, as shown in fig. 1 and 2, the cross sections of the first main electrode plate 13 and the second main electrode plate 14 are inverted trapezoids, the first main electrode plate 13 and the second main electrode plate 14 are located at the same height, and the arc extinction is realized by designing the shapes of the first main electrode plate 13 and the second main electrode plate 14 and setting an angled gap in the first discharge gap between the first main electrode plate 13 and the second main electrode plate 14.
The working principle is as follows: connecting the connecting wire 8 with the zero line of the power supply, connecting the grounding wire 21 with the ground, moving the limiting plate 35 upwards to enable the limiting plate 35 to move upwards against the acting force of the fourth spring 38, unlocking the limiting gear 33, rotating the adjusting block 32 to drive the rotating shaft 28 to rotate, further changing the position of the first main electrode plate 13, adjusting the size of the first discharge gap, loosening the limiting plate 35 after the adjustment is finished, enabling the limiting plate 35 to move downwards to be locked with the limiting gear 33 again in a limiting way, when a lightning concentrating device is provided, firstly breaking through the second discharge gap between the first auxiliary electrode plate 7 and the second auxiliary electrode plate 9, then breaking through the first discharge gap between the first main electrode plate 13 and the second main electrode plate 14, enabling two coils 39 to be electrified when lightning passes through, generating magnetic force by the coils 39, indirectly pulling the second main electrode plate 14 to be far away from the first main electrode plate 13, the first discharge gap is enlarged, and lightning is finally introduced into the ground, so that the lightning protection effect is achieved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides an adjustable discharge gap's arrester, includes insulation board (1) of vertical setting, its characterized in that: the insulation board (1) one side fixedly connected with insulator (2), insulator (2) level sets up, insulator (2) top level is provided with first joint pole (3), the second joint pole (4) that one end fixedly connected with of insulator (2) is close to in first joint pole (3) is vertical to be set up, insulator (2) upper surface is provided with links up groove (5), insert in linking up groove (5) second joint pole (4) bottom, be provided with coupling mechanism (6) in linking up groove (5), the one end fixedly connected with first auxiliary electrode board (7) of insulator (2) is kept away from in first joint pole (3), first auxiliary electrode board (7) fixedly connected with connecting wire (8), one side that first auxiliary electrode board (7) kept away from first joint pole (3) is provided with second auxiliary electrode board (9), one side of the second auxiliary electrode plate (9) back to the first auxiliary electrode plate (7) is fixedly connected with two clamping plates (10), the two clamping plates (10) are arranged horizontally, the two clamping plates (10) are fixedly connected with the insulating plate (1), a connecting rod (11) is horizontally arranged between the two clamping plates (10), the connecting rod (11) is horizontally arranged, the connecting rod (11) is connected with the two clamping plates (10) in a sliding mode, the connecting rod (11) is T-shaped, the inner sides of the two clamping plates (10) are fixedly connected with limiting blocks (12), the limiting blocks (12) are in contact with the connecting rod (11) in a propping mode, one end, far away from the clamping plates (10), of the connecting rod (11) is fixedly connected with a first main electrode plate (13), one end, far away from the connecting rod (11), of the first main electrode plate (13) is provided with a second main electrode plate (14, a first fixing column (15) is fixedly connected to one side, far away from the first main electrode plate (13), of the second main electrode plate (14), the first fixing column (15) is vertically arranged, the first fixing column (15) is connected with the insulating plate (1) in a sliding mode, a second fixing column (16) is vertically arranged on one side, far away from the second main electrode plate (14), of the first fixing column (15), the second fixing column (16) is fixedly connected with the insulating plate (1), one side, facing the first fixing column (15), of the bottom end of the second fixing column (16) is fixedly connected with two first mounting plates (17) which are horizontally arranged, a second mounting plate (18) is horizontally arranged between the two first mounting plates (17), the second mounting plate (18) is connected with the two first mounting plates (17) in a sliding mode, and the second mounting plate (18) is fixedly connected with the first fixing column (15), the second mounting plate (18) is fixedly connected with the second fixing column (16) through a first telescopic rod (19) which is horizontally arranged, the second mounting plate (18) is fixedly connected with the second fixing column (16) through a first spring (20) which is horizontally arranged, the first spring (20) is wound on the first telescopic rod (19), and the bottom end of the second fixing column (16) is fixedly connected with a grounding wire (21).
2. The surge arrester of claim 1, wherein: coupling mechanism (6) including setting up recess (22) in linking up groove (5), recess (22) level sets up, sliding connection has slider (23) in recess (22), second spring (24) and recess (22) inner wall fixed connection that slider (23) set up through the level, slider (23) towards one end fixedly connected with fixture block (25) in recess (22) outside, second links up pole (4) bottom side and is provided with draw-in groove (26) that agree with mutually with fixture block (25).
3. The surge arrester of claim 2, wherein: the clamping block (25) is hemispherical at one end far away from the inner side of the groove (22), the clamping groove (26) is hemispherical and matched with the clamping block (25), a limiting ring (27) is fixedly connected to an inner port of the groove (22), and the limiting ring (27) is sleeved on the clamping block (25) and is in sliding connection with the clamping block.
4. The surge arrester of claim 2, wherein: the bottom end of the second connecting rod (4) is in an inverted cone shape, and the bottom end of the connecting groove (5) is located in the inverted cone shape matched with the second connecting rod (4).
5. The surge arrester of claim 1, wherein: two be provided with rotation axis (28) between splint (10), rotation axis (28) vertical setting, rotation axis (28) run through two splint (10) and rotate with it and be connected, two vertically be provided with atress board (29) between splint (10), two splint (10) all with atress board (29) fixed connection, connecting rod (11) are close to one end fixedly connected with wire rope (30) of splint (10), wire rope (30) run through atress board (29) and sliding connection with it, wire rope (30) keep away from the one end and rotation axis (28) fixed connection of connecting rod (11), third spring (31) and atress board (29) fixed connection that connecting rod (11) set up through the level.
6. The surge arrester of claim 5, wherein: the bottom end of the rotating shaft (28) is fixedly connected with an adjusting block (32), the adjusting block (32) is located below the clamping plate (10) below, and the adjusting block (32) is in a cross shape.
7. The surge arrester of claim 5, wherein: a limiting gear (33) is horizontally arranged above the upper clamping plate (10), the limiting gear (33) is fixedly connected with the rotating shaft (28), a supporting frame (34) is horizontally arranged above the limiting gear (33), the support frame (34) is inverted concave, the support frame (34) is fixedly connected with the upper surface of the splint (10) positioned above, a limiting plate (35) is horizontally arranged below the supporting frame (34), a limiting groove (36) matched with the limiting gear (33) is arranged on the bottom surface of the limiting plate (35), the limiting plate (35) is fixedly connected with the bottom surface of the supporting frame (34) through a second telescopic rod (37) which is vertically arranged, the limiting plate (35) is fixedly connected with the bottom surface of the supporting frame (34) through a vertically arranged fourth spring (38), and the fourth spring (38) is wound on the second telescopic rod (37).
8. The surge arrester of claim 1, wherein: the sections of the first main electrode plate (13) and the second main electrode plate (14) are inverted trapezoids, and the first main electrode plate (13) and the second main electrode plate (14) are located at the same height.
9. The surge arrester of claim 1, wherein: and the first fixing column (15) and the second fixing column (16) are wound with coils (39).
CN202110086193.7A 2021-01-22 2021-01-22 Arrester with adjustable discharge gap Active CN112928602B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110086193.7A CN112928602B (en) 2021-01-22 2021-01-22 Arrester with adjustable discharge gap

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Application Number Priority Date Filing Date Title
CN202110086193.7A CN112928602B (en) 2021-01-22 2021-01-22 Arrester with adjustable discharge gap

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CN112928602A true CN112928602A (en) 2021-06-08
CN112928602B CN112928602B (en) 2022-05-31

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201498967U (en) * 2009-08-28 2010-06-02 南京紫金电力保护设备有限公司 Angle-form over-voltage protection device
CN201518386U (en) * 2009-09-23 2010-06-30 大连法伏安电器有限公司 Arrester with annular series gap and used for 10 kV system transmission line
CN107293941A (en) * 2017-07-21 2017-10-24 特瑞格(天津)科技有限公司 A kind of multi-chamber arrester with series gaps
CN110635355A (en) * 2019-10-09 2019-12-31 杭州富阳锐明科技有限公司 Gap lightning protection device based on electromagnetic transformation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201498967U (en) * 2009-08-28 2010-06-02 南京紫金电力保护设备有限公司 Angle-form over-voltage protection device
CN201518386U (en) * 2009-09-23 2010-06-30 大连法伏安电器有限公司 Arrester with annular series gap and used for 10 kV system transmission line
CN107293941A (en) * 2017-07-21 2017-10-24 特瑞格(天津)科技有限公司 A kind of multi-chamber arrester with series gaps
CN110635355A (en) * 2019-10-09 2019-12-31 杭州富阳锐明科技有限公司 Gap lightning protection device based on electromagnetic transformation

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