CN217642716U - Novel external fixed gap drop-out overvoltage protector capable of live working - Google Patents
Novel external fixed gap drop-out overvoltage protector capable of live working Download PDFInfo
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- CN217642716U CN217642716U CN202221427770.0U CN202221427770U CN217642716U CN 217642716 U CN217642716 U CN 217642716U CN 202221427770 U CN202221427770 U CN 202221427770U CN 217642716 U CN217642716 U CN 217642716U
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Abstract
The utility model relates to a novel but hot-line work external fixation clearance drop formula overvoltage protector, including insulating pillar, external fixation clearance overvoltage protector, disconnector, dielectric mechanism and ground mechanism, dielectric mechanism includes rain-proof cap, goes up conducting strip and connector link, and the upper portion and the rain-proof cap of insulating pillar and last conducting strip and connector link are connected, and the top of protector offsets with the bottom of last conducting strip, and the bottom is equipped with the disconnector, ground mechanism is including electrically conductive rotation seat, lower base, lower conducting strip, earth connection mounting panel and protection rope, and the lower part of insulating pillar is connected with lower base and lower conducting strip and earth connection mounting panel, and external fixation clearance overvoltage protector rotates the seat with electrically conductive and is connected, and electrically conductive rotation seat rotates with lower base to be connected, and the both ends of protection rope are established respectively in the bottom of disconnector and electrically conductive rotation seat is connected. The utility model discloses need not the outage, but hot-line work maintains, and can fall by oneself during the trouble and form obvious sign, the maintenance of being convenient for is changed.
Description
Technical Field
The utility model relates to an overvoltage protection device, concretely relates to novel but hot-line work external fixation clearance drop out overvoltage protection device.
Background
At present, as the requirement of the whole society on continuous power supply is continuously increased, but the grid structure and equipment of a power distribution network are still in a lower level, and the automation of the power distribution network is still in a perfecting process at present. The increase of uninterrupted power distribution operation is an effective means for improving the reliability of power supply in China, and in recent years, domestic power supply enterprises are greatly invested in distribution network live-line operation, but great space still remains for equipment innovation.
Currently, the lightning arrester is installed on a fixed framework, a power receiving terminal of the 10KV lightning arrester is fixedly connected with a power receiving wire (for example, the end of the power receiving wire is pressed on the power receiving terminal by 2 nuts), and a discharge terminal of the 10KV lightning arrester is fixedly connected with a grounding wire (for example, the end of the grounding wire is pressed on the power receiving terminal by 2 nuts). Under the electrified condition after the fault occurs, because the power receiving end and the discharging end of the 10KV lightning arrester are fixed, the lightning arrester cannot be replaced and maintained at the moment, the power failure treatment generally needs about 2 hours, the uninterrupted power supply requirement of a client cannot be met, the fault of the lightning arrester occurs, the power supply reliability is reduced, and in addition, a zinc oxide resistor disc in the existing product is subjected to power frequency voltage constantly, so that the resistor disc is degraded along with the time lapse, and the service life is greatly shortened.
Disclosure of Invention
The utility model discloses an aim at: the novel hot-line work external fixed gap drop-type overvoltage protector does not need power-off, can be operated and maintained in a hot-line mode, can automatically drop to form an obvious fault display mark when a fault occurs, and is convenient to maintain and replace.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a novel but hot-line work external fixation clearance drop out overvoltage protector, includes insulating pillar, the top and the bottom of insulating pillar are equipped with fixed gold utensil and lower fixed gold utensil respectively, and its innovation point lies in: also comprises an external fixed gap overvoltage protector, a disconnector, a dielectric mechanism and a grounding mechanism,
the dielectric mechanism comprises a rain-proof cap, an upper conducting strip and an upper connecting buckle, the upper fixed hardware of the insulating support column is fixedly connected with one end of the rain-proof cap and the upper conducting strip and one end of the upper connecting buckle, the upper connecting rod of the external fixed gap overvoltage protector is provided with a tripping operation ring, the end part of the tripping operation ring is propped against the bottom of the upper conducting strip, the separator is fixedly connected with the lower connecting rod of the external fixed gap overvoltage protector,
the grounding mechanism comprises a conductive rotating seat, a lower base, a lower conducting strip, a grounding wire mounting plate and a conductive protection rope, wherein the lower fixing hardware fitting of the insulating strut is fixedly connected with the lower base, the lower conducting strip and the grounding wire mounting plate, the bottom of the external fixed gap overvoltage protector is fixedly connected with the conductive rotating seat, the conductive rotating seat is rotatably connected with the lower base, one end of the conductive protection rope is arranged at the bottom of the disconnector and is fixedly connected with the disconnector, and the other end of the conductive protection rope is fixedly connected with the conductive rotating seat.
In the technical scheme, the wire clamp for hot-line work is further included, the rain hat is provided with a connecting piece, and the hot-line work wire clamp is fixedly connected with the connecting piece of the rain hat through a wire.
In the above technical scheme, the dielectric mechanism further comprises a spring, the spring is arranged between the rain-proof cap and the upper conducting strip, one end of the spring abuts against the rain-proof cap, and the other end of the spring abuts against the upper conducting strip.
In the above technical scheme, the upper conductive plate is provided with a spring positioning protrusion, and the other end of the spring is sleeved on the spring positioning protrusion of the upper conductive plate and abuts against the upper conductive plate.
In the above technical scheme, the grounding mechanism further comprises a lower insulating mounting bracket, one end of the lower insulating mounting bracket is sleeved at the bottom of the external fixed gap overvoltage protector and is positioned above the disconnector, and the other end of the lower insulating mounting bracket is fixedly connected with the conductive rotating seat.
In the above technical scheme, the both ends of electrically conductive rotation seat are equipped with the axis of rotation respectively, the both ends of base are equipped with respectively down and rotate the groove, the axis of rotation at electrically conductive rotation seat both ends rotates the rotation inslot that supports at base down, and electrically conductive rotation seat passes through the axis of rotation and rotates at the rotation inslot.
In the above technical scheme, the both ends of base have the arc engaging lug respectively down, the arc engaging lug has the rotation groove.
The utility model discloses the positive effect who has is: after the novel hot-line work external fixed gap drop-type overvoltage protector is adopted, because the novel hot-line work external fixed gap drop-type overvoltage protector also comprises an external fixed gap overvoltage protector, a disconnector, a dielectric mechanism and a grounding mechanism,
the dielectric mechanism comprises a rain-proof cap, an upper conducting strip and an upper connecting buckle, the upper fixing hardware fitting of the insulating support column is fixedly connected with one end of the rain-proof cap and the upper conducting strip and one end of the upper connecting buckle, the upper connecting rod of the external fixed gap overvoltage protector is provided with a tripping operating ring, the end part of the tripping operating ring is abutted against the bottom of the upper conducting strip, the disconnector is fixedly connected with the lower connecting rod of the external fixed gap overvoltage protector,
the grounding mechanism comprises a conductive rotating seat, a lower base, a lower conducting strip, a grounding wire mounting plate and a conductive protection rope, wherein a lower fixing hardware fitting of the insulating support is fixedly connected with the lower base, the lower conducting strip and the grounding wire mounting plate;
before use, the cross arm mounting plate of the insulating support of the utility model is fixed on a cross arm under a high-voltage wire, one end of a live-line wire clamp is hung on the high-voltage wire, the other end is connected with a rain-proof cap, when in a normal lightning stroke state, lightning stroke wires and current flow to an upper conducting strip through the live-line wire clamp and then enter an outer fixed gap overvoltage protector, then flow to a disconnector through an air gap, then enter a lower conducting strip and finally flow to the ground through a grounding wire on a grounding wire mounting plate,
if the thunderbolt is too big, the thunderbolt can puncture air gap when getting into outer fixed gap overvoltage protector, gets into after the disconnector again, makes disconnector action (burst), causes that product property can exhaust, and the disconnector freely droops under the effect of electrically conductive protection rope, makes the tip of dropout action ring and the bottom of last conducting strip separate to the outer fixed gap overvoltage protector of synchronous drive droops, consequently the utility model discloses an overvoltage protector when unusual breaks down, utilizes power frequency short-circuit current to let the disconnector action, makes disconnector earthing terminal throw off automatically, and then lets the overvoltage protector part turn over, the utility model discloses need not to have a power failure when changing overvoltage protector, insulating pillar keeps sufficient safe distance with the electric wire, and the wire passes through live working fastener and connects, and insulating pillar need not bear power frequency voltage often, is in the state of rest, has slowed down the degradation of resistance card, has prolonged life, the utility model has the advantages of:
firstly, the technical characteristics of the external fixed gap overvoltage protector and the drop-out fuse are combined, so that the lightning arrester unit can be assembled and disassembled at any time in an electrified way, and is particularly suitable for places which are not suitable for power failure,
secondly, after the disconnector is added, the lightning arrester unit can automatically fall and quit operation when in fault, and the fault line can normally operate,
thirdly, the unit falls down to form an obvious fault mark when a fault occurs, so that the fault is easy to find and is convenient to maintain and replace in time,
fourth, the utility model discloses the installation site position is wide, does not have the limitation.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present invention;
fig. 2 is a schematic diagram of the state of the utility model when being punctured by lightning.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but is not limited thereto.
As shown in fig. 1 and 2, a novel live working external fixed gap drop-out overvoltage protector comprises an insulating support 1, wherein the top and the bottom of the insulating support 1 are respectively provided with an upper fixing hardware fitting 11 and a lower fixing hardware fitting 12, and further comprises an external fixed gap overvoltage protector 3, a disconnector 4, a dielectric mechanism 5 and a grounding mechanism 6,
the dielectric mechanism 5 comprises a rain-proof cap 51, an upper conducting strip 52 and an upper connecting buckle 53, the upper fixing hardware 11 of the insulating support column 1 is fixedly connected with one end of the rain-proof cap 51, one end of the upper conducting strip 52 and one end of the upper connecting buckle 53, the upper connecting rod of the external fixed gap overvoltage protector 3 is provided with a tripping operation ring 31, the end part of the tripping operation ring 31 is propped against the bottom of the upper conducting strip 52, the separator 4 is fixedly connected with the lower connecting rod of the external fixed gap overvoltage protector 3,
the grounding mechanism 6 comprises a conductive rotating base 62, a lower base 63, a lower conductive sheet 64, a grounding line mounting plate 65 and a conductive protection rope 66, the lower fixing hardware 12 of the insulating strut 1 is fixedly connected with the lower base 63, the lower conductive sheet 64 and the grounding line mounting plate 65, the bottom of the outer fixed gap overvoltage protector 3 is fixedly connected with the conductive rotating base 62, the conductive rotating base 62 is rotatably connected with the lower base 63, one end of the conductive protection rope 66 is arranged at the bottom of the disconnector 4 and is fixedly connected with the disconnector, and the other end of the conductive protection rope is fixedly connected with the conductive rotating base 62.
As shown in fig. 1 and 2, for convenience, the utility model discloses with high-voltage line electrical connection, still include live working fastener 2, rain hat 51 has connection piece 511, live working fastener 2 passes through wire 7 and rain hat 51's connection piece 511 fixed connection. When the hot-line work clamp is used, one end of the hot-line work clamp 2 is hung on a high-voltage wire, and the other end of the hot-line work clamp is connected with a connecting piece 511 of the rain hat 51 through a fastener.
As shown in fig. 1 and 2, in order to protect the upper conductive sheet, the rain hat 51 includes a plate cap 512 and baffles 513 disposed along two sides of the length direction of the plate cap 512, so that the whole rain hat 51 is in a channel steel shape, and the upper conductive sheet 52 and the upper connecting buckle 53 are located below the rain hat 51.
As shown in fig. 1 and 2, in order to increase the contact pressure, the dielectric mechanism 5 further includes a spring 54, the spring 54 is disposed between the rain-proof cap 51 and the upper conductive sheet 52, one end of the spring 54 abuts against the rain-proof cap 51, and the other end abuts against the upper conductive sheet 52.
As shown in fig. 1 and 2, in order to perform quick positioning and installation on the spring 54, the upper conductive sheet 52 has a spring positioning protrusion 521, and the other end of the spring 54 is sleeved on the spring positioning protrusion 521 of the upper conductive sheet 52 and abuts against the upper conductive sheet 52.
As shown in fig. 1 and 2, in order to guide the external fixed gap overvoltage protector when it is assembled with the upper conductive plate, the other end of the upper connecting buckle 53 has a U-shaped guide seat 531, and the trip operating ring 31 is disposed in the U-shaped guide seat 531.
Furthermore, in order to ensure the reliability of the contact between the trip operating ring and the upper conducting plate, a positioning pit is arranged at the bottom of the upper conducting plate 52, and the end part of the trip operating ring 31 is clamped in the positioning pit of the upper conducting plate 52.
As shown in fig. 1 and 2, in order to facilitate quick connection between the external fixed gap overvoltage protector 3 and the conductive rotating base 62, the grounding mechanism 6 further includes a lower insulating mounting bracket 61, one end of the lower insulating mounting bracket 61 is sleeved on the bottom of the external fixed gap overvoltage protector 3 and is located above the disconnector 4, and the other end is fixedly connected to the conductive rotating base 62.
As shown in fig. 1 and 2, when a lightning strike is too large, the air gap of the external fixed gap overvoltage protector is broken down, the conductive rotating base rotates relative to the lower base, so that the overvoltage protector falls off and forms an obvious fault sign, two ends of the conductive rotating base 62 are respectively provided with a rotating shaft 621, two ends of the lower base 63 are respectively provided with a rotating groove 631, the rotating shafts 621 at two ends of the conductive rotating base 62 are rotatably supported in the rotating grooves 631 of the lower base 63, and the conductive rotating base 62 rotates in the rotating grooves 631 through the rotating shafts 621.
As shown in fig. 1 and 2, in order to improve the rationality of the lower base structure, the two ends of the lower base 63 are respectively provided with an arc-shaped engaging lug 632, and the arc-shaped engaging lug 632 is provided with a rotating groove 631.
As shown in fig. 1 and 2, in order to connect the protective rope with the disconnector, when the overvoltage protection device falls, the disconnector can be pulled, the conductive protective rope 66 is a braided copper wire belt, and one end of the conductive protective rope 66 is provided with a connecting ring 661, the connecting ring 661 is sleeved at the bottom of the disconnector 4, and the connecting ring 661 and the disconnector 4 are fixed into a whole by a nut below the connecting ring 661.
As shown in figure 1, when the utility model is used, the cross arm mounting plate of the insulating support 1 of the utility model is fixed on the cross arm under the high voltage line, the live line clamp 2 is hung on the high voltage line, when in the normal lightning stroke state, the lightning stroke conducting wire, the current flows to the upper conducting strip 52 through the live line clamp 2 and then enters the outer fixed gap overvoltage protector 3, flows to the disconnector 4 through the air gap and then enters the lower conducting 64 pieces, finally flows to the ground through the grounding wire on the grounding wire mounting plate 65,
as shown in fig. 2, if the thunderbolt is too big, the thunderbolt can puncture the air gap when getting into outer fixed gap overvoltage protector 3, gets into after breaker 4 again, makes breaker 4 act (explodes and splits), causes the performance of product to exhaust, and breaker 4 freely droops under the effect of electrically conductive protection rope 66, makes the tip of dropout action ring 31 and the bottom separation of last conducting strip 52 to drive outer fixed gap overvoltage protector 3 and sag in step, consequently, the utility model discloses an overvoltage protector when breaking down unusually, utilizes power frequency short-circuit current to let the breaker act, makes the breaker earthing terminal automatically throw off, and then lets the overvoltage protector part overturn, the utility model discloses need not to have a power failure when changing overvoltage protector, insulating pillar and electric wire keep sufficient safe distance, the wire passes through live working fastener and is connected, and insulating pillar need not bear power frequency voltage often, is in the rest state, has slowed down the degradation of resistance piece, has prolonged life.
The utility model has the advantages of:
firstly, the technical characteristics of the external fixed gap overvoltage protector and the drop-out fuse are combined, so that the lightning arrester unit can be assembled and disassembled at any time in a live state, is particularly suitable for places which are not suitable for power failure,
secondly, after the disconnector is additionally arranged, the lightning arrester unit can automatically fall down and quit operation when in fault, and a fault line can normally operate,
thirdly, the unit falls down to form an obvious fault mark when a fault occurs, so that the fault mark is easy to find and is convenient to repair and replace in time,
fourth, the utility model discloses the installation site position is wide, does not have the limitation.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a novel but hot-line work external fixation clearance drop out overvoltage protector, includes insulating pillar (1), the top and the bottom of insulating pillar (1) are equipped with fitting (11) and fitting (12) down respectively, its characterized in that: also comprises an external fixed gap overvoltage protector (3), a disconnector (4), a dielectric mechanism (5) and a grounding mechanism (6),
the dielectric mechanism (5) comprises a rain-proof cap (51), an upper conducting strip (52) and an upper connecting buckle (53), an upper fixing fitting (11) of the insulating support column (1) is fixedly connected with one end of the rain-proof cap (51), one end of the upper conducting strip (52) and one end of the upper connecting buckle (53), a tripping operation ring (31) is arranged on an upper connecting rod of the outer fixed gap overvoltage protector (3), the end part of the tripping operation ring (31) is abutted against the bottom of the upper conducting strip (52), the disconnector (4) is fixedly connected with a lower connecting rod of the outer fixed gap overvoltage protector (3),
the grounding mechanism (6) comprises a conductive rotating base (62), a lower base (63), a lower conducting strip (64), a grounding wire mounting plate (65) and a conductive protection rope (66), wherein a lower fixing fitting (12) of the insulating strut (1) is fixedly connected with the lower base (63), the lower conducting strip (64) and the grounding wire mounting plate (65), the bottom of the outer fixed gap overvoltage protector (3) is fixedly connected with the conductive rotating base (62), the conductive rotating base (62) is rotatably connected with the lower base (63), one end of the conductive protection rope (66) is arranged at the bottom of the disconnector (4) and is fixedly connected with the disconnector, and the other end of the conductive rotating base (62) is fixedly connected with the conductive protection rope.
2. The new hot-line external fixed-gap drop-out overvoltage protector of claim 1, wherein: still include live working fastener (2), rain-proof cap (51) have connection piece (511), live working fastener (2) pass through wire (7) and connection piece (511) fixed connection of rain-proof cap (51).
3. The novel live-working external fixed-gap drop-out overvoltage protector according to claim 1, wherein: the dielectric mechanism (5) further comprises a spring (54), the spring (54) is arranged between the rain-proof cap (51) and the upper conducting strip (52), one end of the spring (54) abuts against the rain-proof cap (51), and the other end of the spring abuts against the upper conducting strip (52).
4. The novel live-working external fixed-gap drop-out overvoltage protector of claim 3, wherein: the upper conducting plate (52) is provided with a spring positioning bulge (521), and the other end of the spring (54) is sleeved on the spring positioning bulge (521) of the upper conducting plate (52) and is abutted against the upper conducting plate (52).
5. The novel live-working external fixed-gap drop-out overvoltage protector according to claim 1, wherein: the grounding mechanism (6) further comprises a lower insulating mounting support (61), one end of the lower insulating mounting support (61) is sleeved at the bottom of the outer fixed gap overvoltage protector (3) and located above the disconnector (4), and the other end of the lower insulating mounting support is fixedly connected with the conductive rotating seat (62).
6. The new hot-line external fixed-gap drop-out overvoltage protector of claim 1, wherein: the both ends of electrically conductive rotation seat (62) are equipped with axis of rotation (621) respectively, the both ends of lower base (63) are equipped with respectively and rotate groove (631), electrically conductive rotation seat (62) both ends axis of rotation (621) rotate and support in the rotation groove (631) of lower base (63), and electrically conductive rotation seat (62) pass through axis of rotation (621) and rotate in rotation groove (631).
7. The novel live-working external fixed gap drop-out overvoltage protector of claim 6, wherein: arc engaging lugs (632) are respectively arranged at two ends of the lower base (63), and the arc engaging lugs (632) are provided with rotating grooves (631).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221427770.0U CN217642716U (en) | 2022-06-08 | 2022-06-08 | Novel external fixed gap drop-out overvoltage protector capable of live working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221427770.0U CN217642716U (en) | 2022-06-08 | 2022-06-08 | Novel external fixed gap drop-out overvoltage protector capable of live working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217642716U true CN217642716U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221427770.0U Active CN217642716U (en) | 2022-06-08 | 2022-06-08 | Novel external fixed gap drop-out overvoltage protector capable of live working |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217642716U (en) |
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2022
- 2022-06-08 CN CN202221427770.0U patent/CN217642716U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213000 No. 3 Xiaming Road, intelligent equipment Industrial Park, Hengshanqiao Town, Changzhou Economic Development Zone, Jiangsu Province Patentee after: Jiangsu Ruixi Intelligent Power Technology Co.,Ltd. Address before: 213000 No. 3, Xiaming Road, Hengshanqiao intelligent equipment Industrial Park, Changzhou Economic Development Zone, Jiangsu Province Patentee before: CHANGZHOU RUIXI ELECTRIC POWER EQUIPMENT CO.,LTD. |
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| CP03 | Change of name, title or address |