CN214154015U

CN214154015U - Magnetic bias type arc suppression coil with lightning protection function

Info

Publication number: CN214154015U
Application number: CN202023316603.2U
Authority: CN
Inventors: 马建腾; 刘培欣; 周芳; 郑炜
Original assignee: Tianjin Huaneng Transformer Co ltd
Current assignee: Tianjin Huaneng Transformer Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-07
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to an arc suppression coil technical field, and a magnetic declination formula arc suppression coil who possesses lightning-arrest function is disclosed, including the mounting panel, the fixed L shape fixed plate that is provided with in upper end of mounting panel, the upper end of mounting panel and a plurality of arc suppression coil bodies of lower extreme fixedly connected with of L shape fixed plate horizontal part, the upper end left side fixedly connected with positioning stud of L shape fixed plate, positioning stud's upper end outside threaded connection has lightning-arrest post, positioning stud groove with positioning stud threaded connection is seted up to lightning-arrest post's lower extreme, a plurality of lightning rods of outside symmetry fixedly connected with of lightning-arrest post, lightning-arrest post's lower extreme outside fixedly connected with wire, wire keeps away from lightning-arrest post's one end and ground connection, a plurality of the card cover of outside wire fixing mechanism of wire of L shape fixed plate. The utility model discloses can make whole arc suppression coil body have fine lightning-arrest effect, guarantee arc suppression coil's normal use.

Description

Magnetic bias type arc suppression coil with lightning protection function

Technical Field

The utility model relates to an arc suppression coil technical field especially relates to a magnetic bias formula arc suppression coil who possesses lightning-arrest function.

Background

The arc suppression coil is used for arc suppression in the name meaning and is an inductance coil with an iron core. It is connected between neutral point of transformer (or generator) and ground to form arc-suppressing coil grounding system. The power transmission line of the power system is grounded through the arc suppression coil, and the power transmission line is one of small-current grounding systems. When the arc suppression coil operates normally, no current passes through the arc suppression coil. When the power grid is struck by lightning or single-phase arc grounding occurs, the potential of a neutral point rises to a phase voltage, at the moment, inductive current flowing through the arc suppression coil and capacitive fault current of the single-phase grounding are mutually offset, so that the fault current is compensated, and the compensated residual current is very small and is not enough to maintain the electric arc, so that the electric arc is automatically extinguished. Thus, the earth fault can be eliminated quickly without causing overvoltage.

The existing magnetic biasing type arc suppression coil lacks a lightning protection effect, and under lightning damage, the magnetic biasing type arc suppression coil cannot continue arc suppression, so that the work is influenced, and the electric power transmission is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the magnetic declination formula arc suppression coil among the prior art and lacking lightning-arrest effect, under lightning damage, magnetic declination formula arc suppression coil can not continue the arc extinguishing, influences work, is unfavorable for the problem of the transmission of electric power, and the magnetic declination formula arc suppression coil who possesses lightning-arrest function that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a magnetic declination formula arc suppression coil that possesses lightning-arrest function, includes the mounting panel, the fixed L shape fixed plate that is provided with in upper end of mounting panel, the upper end of mounting panel and a plurality of arc suppression coil bodies of the lower extreme fixedly connected with of L shape fixed plate horizontal part, the upper end left side fixedly connected with location double-screw bolt of L shape fixed plate, the upper end outside threaded connection of location double-screw bolt has lightning-arrest post, the lower extreme of lightning-arrest post set up with location double-screw bolt threaded connection's location spiral shell groove, a plurality of lightning rods of the outside symmetry fixedly connected with of lightning-arrest post, the lower extreme outside fixedly connected with wire of lightning-arrest post, the one end that the lightning-arrest post was kept away from to wire is connected with ground, a plurality of calories of clamping mechanisms of outside metal wire of the outside fixedly connected with of L shape fixed plate.

Preferably, the fixed fender that connects at lightning-arrest post lower extreme that cup joints of post wall external fixation of positioning stud connects the crown plate, keep off the surface that connects the crown plate and open and shut and have a plurality of jacks that are the annular distribution setting and jack internalization insert and be equipped with the chucking inserted bar, the lower extreme of lightning-arrest post is seted up a plurality of chucking slots that correspond the grafting with the chucking inserted bar, many the same annular arm-tie of lower extreme fixedly connected with of chucking inserted bar, the upper end of annular arm-tie and the lower extreme fixedly connected with of fender joint crown plate establish the chucking spring outside the chucking inserted bar.

Preferably, the wire fixing mechanism comprises a fixing rod fixedly connected to the outer side of the L-shaped fixing plate, a first clamping seat is fixedly connected to one end of the fixing rod, a second clamping seat is fixedly connected to one side, far away from the fixing rod, of the first clamping seat, a semicircular clamping groove is formed in one side, opposite to the first clamping seat and the second clamping seat, of the first clamping seat, and the semicircular clamping groove is clamped outside the metal wire.

Preferably, a layer of insulating rubber pad is fixedly connected in the semicircular clamping groove.

Preferably, the second clamping seat is close to many spliced poles of one side symmetry fixedly connected with of first clamping seat, a plurality of spread grooves that correspond the grafting with the spliced pole are seted up to the lateral wall of first clamping seat.

Preferably, the two opposite sides of the second clamping seat are fixedly connected with clamping plates, and fixing screw holes are symmetrically formed between the clamping plates and the first clamping seat and are fixedly connected through fixing bolts.

Compared with the prior art, the utility model provides a magnetic bias formula arc suppression coil who possesses lightning-arrest function possesses following beneficial effect:

1. this magnetic formula arc suppression coil that possesses lightning-arrest function, positioning screw bolt through being equipped with, lightning-arrest post is connected with positioning screw bolt through the positioning screw groove that its lower extreme was seted up, the setting of a plurality of lightning rods can make whole arc suppression coil body have fine lightning-arrest effect, arc suppression coil's normal use has been guaranteed, lightning-arrest post supports the upside at fender ring board this moment, many chucking inserted bars aim at the chucking slot this moment, pull ring shape arm-tie on the chucking spring, annular arm-tie can realize spacing the firm of lightning-arrest post in advancing the chucking slot with the chucking inserted bar, can realize the quick assembly disassembly to lightning-arrest post, and convenient use.

2. This magnetic-bias arc suppression coil who possesses lightning-arrest function, a plurality of solidus mechanisms through being equipped with, with metal conductor ply-yarn drill pressure in the inboard semicircle centre gripping inslot of first grip slipper and second grip slipper, peg graft through spliced pole and spread groove makes first grip slipper and second grip slipper can stabilize and link together, the joint board supports the outside of keeping out at first grip slipper this moment, realize the firm connection between first grip slipper and the second grip slipper through fixing bolt, can carry out effectual fixed spacing to metal conductor, make placing of metal conductor steadiness better.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can make whole arc suppression coil body have fine lightning-arrest effect, guarantee arc suppression coil's normal use.

Drawings

Fig. 1 is a schematic structural view of a bias arc suppression coil with lightning protection function according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a bias arc suppression coil with a lightning protection function according to the present invention;

fig. 3 is the utility model provides a what a first grip slipper and the second grip slipper of the magnetic bias formula arc suppression coil who possesses lightning-arrest function are connected looks sideways at the schematic structure.

In the figure: the lightning protection device comprises a mounting plate 1, a 2L-shaped fixing plate, an arc suppression coil body 3, a positioning stud 4, a lightning protection column 5, a positioning screw groove 6, a lightning rod 7, a metal wire 8, a blocking and connecting ring plate 9, a clamping and inserting rod 10, a clamping and inserting groove 11, an annular pull plate 12, a clamping spring 13, a fixing rod 14, a first clamping seat 15, a second clamping seat 16, a semicircular clamping groove 17, an insulating rubber gasket 18, a connecting column 19, a connecting groove 20 and a clamping and connecting plate 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a magnetic bias type arc suppression coil with lightning protection function, including mounting panel 1, the fixed L shape fixed plate 2 that is provided with in upper end of mounting panel 1, the upper end of mounting panel 1 and the lower extreme fixedly connected with a plurality of arc suppression coil bodies 3 of the 2 horizontal parts of L shape fixed plate, the upper end left side fixedly connected with positioning stud 4 of L shape fixed plate 2, the upper end outside threaded connection of positioning stud 4 has lightning rod 5, the lower extreme of lightning rod 5 is seted up the positioning screw groove 6 with positioning stud 4 threaded connection, the outside symmetry fixedly connected with a plurality of lightning rods 7 of lightning rod 5, the lower extreme outside fixedly connected with metal conductor 8 of lightning rod 5, the one end that metal conductor 8 kept away from lightning rod 5 is connected with ground, the outside fixedly connected with a plurality of calories of solid line mechanisms outside metal conductor 8 of L shape fixed plate 2.

The fixed fender that cup joints at lightning-arrest post 5 lower extreme of post wall external fixation of positioning stud 4 connects the retaining ring board 9, the surface that keeps off receiving ring board 9 and open and shut has a plurality of jacks that are the annular distribution setting and jack internalization to insert and be equipped with chucking inserted bar 10, the lower extreme of lightning-arrest post 5 is seted up a plurality of chucking slots 11 that correspond the grafting with chucking inserted bar 10, the same annular arm-tie 12 of lower extreme fixedly connected with of many chucking inserted bar 10, the upper end of annular arm-tie 12 and the lower extreme fixedly connected with of retaining ring board 9 a plurality of cover of covers of chucking spring 13 outside chucking inserted bar 10.

The wire fixing mechanism comprises a fixing rod 14 fixedly connected to the outer side of the L-shaped fixing plate 2, a first clamping seat 15 fixedly connected to one end of the fixing rod 14, a second clamping seat 16 fixedly connected to one side, away from the fixing rod 14, of the first clamping seat 15, a semicircular clamping groove 17 is formed in one side, opposite to the first clamping seat 15 and the second clamping seat 16, of the first clamping seat 15, and the semicircular clamping groove 17 is clamped outside the metal wire 8.

A layer of insulating rubber pad 18 is fixedly connected in the semicircular clamping groove 17.

A plurality of connecting columns 19 are symmetrically and fixedly connected to one side of the second clamping seat 16 close to the first clamping seat 15, and a plurality of connecting grooves 20 which are correspondingly inserted into the connecting columns 19 are formed in the side wall of the first clamping seat 15.

The two opposite sides of the second clamping seat 16 are fixedly connected with clamping plates 21, and fixing screw holes are symmetrically formed between the clamping plates 21 and the first clamping seat 15 and are fixedly connected through fixing bolts.

In the utility model, when in use, the lightning protection post 5 is connected with the positioning stud 4 through the positioning stud 6 arranged at the lower end of the lightning protection post through the positioning stud 4, the arrangement of a plurality of lightning rods 7 can ensure that the whole arc suppression coil body 3 has good lightning protection effect, the normal use of the arc suppression coil is ensured, the lightning protection post 5 is kept at the upper side of the blocking ring plate 9, a plurality of clamping insertion rods 10 are aligned with the clamping insertion slots 11, the ring-shaped pull plate 12 is arranged on the clamping spring 13, the ring-shaped pull plate 12 pushes the clamping insertion rods 10 into the clamping insertion slots 11 to realize the stable limit of the lightning protection post 5, the quick assembly and disassembly of the lightning protection post 5 can be realized, the use is convenient, the metal conductor 8 is clamped and pressed in the semicircular clamping slots 17 at the inner sides of the first clamping seat 15 and the second clamping seat 16 through the plurality of wire fixing mechanisms, the first clamping seat 15 and the second clamping seat 16 are firmly connected through the splicing of the connecting post 19 and the connecting slot 20, at this moment, the clamping plate 21 abuts against the outer side of the first clamping seat 15, the first clamping seat 15 and the second clamping seat 16 are stably connected through the fixing bolt, and the metal wire 8 can be effectively fixed and limited, so that the metal wire 8 is better in placement stability.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bias-magnetic arc suppression coil who possesses lightning-arrest function, includes mounting panel (1), its characterized in that, the upper end of mounting panel (1) is fixed and is provided with L shape fixed plate (2), the upper end of mounting panel (1) and the lower extreme fixedly connected with a plurality of arc suppression coil bodies (3) of L shape fixed plate (2) horizontal part, the upper end left side fixedly connected with positioning stud (4) of L shape fixed plate (2), the upper end outside threaded connection of positioning stud (4) has lightning-arrest post (5), the lower extreme of lightning-arrest post (5) is seted up and is positioned screw groove (6) with positioning stud (4) threaded connection, the outside symmetry fixedly connected with a plurality of lightning rods (7) of lightning-arrest post (5), the lower extreme outside fixedly connected with metal conductor (8) of lightning-arrest post (5), the one end that lightning-arrest post (5) was kept away from to metal conductor (8) is connected with ground, the outer side of the L-shaped fixing plate (2) is fixedly connected with a plurality of wire fixing mechanisms which are clamped outside the metal wires (8).

2. The bias-magnetic arc suppression coil with the lightning protection function according to claim 1, wherein a blocking ring plate (9) blocked at the lower end of the lightning protection column (5) is fixedly sleeved outside the column wall of the positioning stud (4), a plurality of jacks distributed in an annular shape are formed in the surface and on the surface of the blocking ring plate (9) in an opening and closing manner, clamping insertion rods (10) are movably inserted in the jacks, a plurality of clamping insertion slots (11) correspondingly inserted with the clamping insertion rods (10) are formed in the lower end of the lightning protection column (5), the lower ends of the clamping insertion rods (10) are fixedly connected with the same annular pulling plate (12), and a plurality of clamping springs (13) sleeved outside the clamping insertion rods (10) are fixedly connected with the upper end of the annular pulling plate (12) and the lower end of the blocking ring plate (9).

3. The bias arc suppression coil with the lightning protection function according to claim 1, wherein the wire fixing mechanism comprises a fixing rod (14) fixedly connected to the outer side of the L-shaped fixing plate (2), a first clamping seat (15) is fixedly connected to one end of the fixing rod (14), a second clamping seat (16) is fixedly connected to one side of the first clamping seat (15) far away from the fixing rod (14), semicircular clamping grooves (17) are respectively formed in opposite sides of the first clamping seat (15) and the second clamping seat (16), and the semicircular clamping grooves (17) are clamped outside the metal wire (8).

4. A bias arc suppression coil with lightning protection function according to claim 3, characterized in that a layer of insulating rubber pad (18) is fixedly connected in the semicircular clamping groove (17).

5. The bias arc suppression coil with the lightning protection function according to claim 3, wherein a plurality of connecting columns (19) are symmetrically and fixedly connected to one side of the second clamping seat (16) close to the first clamping seat (15), and a plurality of connecting grooves (20) correspondingly inserted into the connecting columns (19) are formed in the side wall of the first clamping seat (15).

6. The bias arc suppression coil with the lightning protection function according to claim 3, wherein clamping plates (21) are fixedly connected to two opposite sides of the second clamping seat (16), and fixing screw holes are symmetrically formed between the clamping plates (21) and the first clamping seat (15) and are fixedly connected through fixing bolts.