CN213025618U

CN213025618U - Take outer clearance lightning protection device of warning pole

Info

Publication number: CN213025618U
Application number: CN202022264039.8U
Authority: CN
Inventors: 郑哲; 廖定成; 程勇; 冯江波; 谢金浩; 刘子民
Original assignee: Gulifa Electric Co ltd; Gulifa Group Co Ltd
Current assignee: Gulifa Electric Co ltd; Gulifa Group Co Ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-04-20
Anticipated expiration: 2030-10-10

Abstract

The utility model provides a take outer clearance lightning protection device of warning pole, include: the lightning arrester comprises a lightning arrester body, a lightning arrester body and a lightning arrester body, wherein the lightning arrester body is provided with a zinc oxide resistance card arranged inside the lightning arrester body and an arc ignition body arranged on the outer wall of the lightning arrester body; the warning rod is movably arranged on the first connecting seat on the outer wall of the lightning arrester body through the elastic piece, and is provided with an initial position matched and locked with the blocking piece and a warning position moving towards the direction far away from the lightning arrester body; the blocking piece is provided with a first position and a second position, wherein the first position is matched with the blocking piece to block when the warning rod is at the initial position, and the second position is driven by the thermal action piece and is separated from the warning rod. If the zinc oxide resistance card is degraded or broken down, the temperature rise of the zinc oxide resistance card exceeds an alarm value, the thermal action piece drives the blocking piece to be separated from the warning rod, and the warning rod is popped out of the lightning arrester body under the action of the elastic piece, so that maintenance personnel can be reminded of needing to check or replace the lightning arrester in time.

Description

Take outer clearance lightning protection device of warning pole

Technical Field

The utility model relates to a lightning protection device technical field, concretely relates to take outer clearance lightning protection device of warning pole.

Background

The zinc oxide lightning arrester has good protection performance, and the current flowing through the lightning arrester is extremely small when the normal working voltage is achieved by utilizing the good nonlinear volt-ampere characteristic of the zinc oxide resistance card; when lightning overvoltage occurs, the resistance drops sharply, and the energy of the overvoltage is discharged, so that the protection effect is achieved; then the normal high resistance state is recovered; if the resistance card is degraded or broken down, the high resistance state cannot be recovered, and the continuous outer gap arc can burn out the lightning arrester, secondary earth fault, lead wire burnout and other hazards. The existing zinc oxide lightning arrester is maintained in a mode of regular inspection by maintainers, so that the workload is high, and the arrester with a fault cannot be replaced in time, so that an overhead line cannot be effectively protected.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that can not in time change the arrester with fault among the prior art to an outer clearance lightning protection device of taking warning pole that can in time remind maintainer is provided.

Therefore, the utility model provides a take outer clearance lightning protection device of warning pole, include: the lightning arrester comprises a lightning arrester body, a lightning arrester body and a lightning arrester body, wherein the lightning arrester body is provided with a zinc oxide resistance card arranged inside the lightning arrester body and an arc ignition body arranged on the outer wall of the lightning arrester body; the warning rod is movably arranged on the first connecting seat on the outer wall of the lightning arrester body through an elastic piece, and is provided with an initial position matched and locked with the blocking piece and a warning position moving towards the direction far away from the lightning arrester body; the warning device comprises a blocking piece and a thermal action piece, wherein the blocking piece is provided with a first position matched with the warning rod to block when the warning rod is in an initial position, and a second position driven by the thermal action piece and separated from the warning rod. When the line is over-voltage, if the zinc oxide resistance card is degraded or broken down, the temperature rise of the zinc oxide resistance card exceeds the alarm value, the thermal action piece drives the blocking piece to be separated from the warning rod, and the warning rod is popped out of the lightning arrester body under the action of the elastic piece, so that maintenance personnel can be reminded of needing to check or replace the lightning arrester in time.

The warning rod is characterized in that a step is arranged on the outer wall of the warning rod, the blocking piece is L-shaped, and the L-shaped blocking piece is provided with a blocking part which is vertically arranged and can be abutted against the step, and a fixing part which is transversely arranged and connected with the thermal motion piece.

The front end of the step is provided with a slope.

The first connecting seat is provided with a mounting cavity for the warning rod to move, and a stop block which can abut against the step is arranged at an opening of the mounting cavity.

The warning rod is provided with a color indicating part, and the color indicating part is positioned in the first connecting seat when the warning rod is at the initial position; when the warning position, the color indication part extends out of the first connecting seat.

Be equipped with the mounting panel of L shape in the installation cavity, the warning pole is located the front of mounting panel, it locates to block piece and thermal action the back of mounting panel, wherein, the diaphragm of mounting panel is equipped with the confession the trompil that the blocking part was worn out, and its riser portion with the elastic component offsets, the fixed part is kept away from the one end of blocking part with diaphragm fixed connection.

The lightning arrester body have with the metal electrode that zinc oxide resistance card links to each other, and connect the metal electrode with the second connecting seat of first connecting seat, the second connecting seat is including inlaying and locating first section on the metal electrode to and stretch out the outer second section of lightning arrester body, be equipped with the external screw thread on the second section, first connecting seat be equipped with can with second section threaded connection's internal thread.

The thermal action member is a thermosensitive element.

The thermosensitive element is a bimetallic strip.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an external clearance lightning protection device with a warning rod, which comprises a lightning arrester body, the warning rod, a blocking piece and a thermal action piece, wherein the warning rod is movably arranged on a first connecting seat on the outer wall of the lightning arrester body through an elastic piece, and the warning rod is provided with an initial position which is matched and locked with the blocking piece and a warning position which moves towards the direction far away from the lightning arrester body; the blocking piece is provided with a first position and a second position, wherein the first position is matched with the warning rod to block when the warning rod is at the initial position, and the second position is driven by the thermal action piece and separated from the warning rod. If the zinc oxide resistance card is degraded or broken down, the temperature rise of the zinc oxide resistance card exceeds an alarm value, the thermal action piece drives the blocking piece to be separated from the warning rod, and the warning rod is popped out of the lightning arrester body under the action of the elastic piece, so that maintenance personnel can be reminded of needing to check or replace the lightning arrester in time.

2. The utility model provides a take outer clearance lightning protection device of warning pole is equipped with the step on the outer wall of warning pole, and the piece of stopping is L shape, and the piece that stops of L shape has the stop part that is vertical setting, can offset with the step to and be horizontal setting, the fixed part that links to each other with the thermal action piece. The fixing part and the step which are matched with each other have the advantage of simple structure.

3. The utility model provides a take outer clearance lightning protection device of warning pole, the front end of step is equipped with the slope, because the slope can with stop part between sliding fit, the warning pole can be followed the warning position again under the exogenic action and when replying to initial position, make step and stop part offset, alarm device can used repeatedly like this, convenient to use, and reduced manufacturing cost.

4. The utility model provides a take outer clearance lightning protection device of warning pole, first connecting seat are equipped with the installation cavity that supplies the warning pole to remove, and the opening part of installation cavity is equipped with the dog that can offset with the step, and the dog can prevent warning pole and first connecting seat separation.

5. The utility model provides an outer clearance lightning protection device with a warning rod, wherein the outer wall of the warning rod is provided with a plurality of color indication parts, and the color indication parts are positioned in a first connecting seat at the initial position; when the alarm position is reached, the color indicating part extends out of the first connecting seat. Through setting up colour instruction portion to make things convenient for maintainer to observe the warning pole that is in higher height, improve maintenance efficiency.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an external gap lightning protection device with a warning rod according to the present invention;

FIG. 2 is a schematic structural diagram of a first connecting seat, a second connecting seat, a mounting plate, a warning rod, a blocking member and a thermal actuating member;

FIG. 3 is a schematic diagram of the structure of the mounting plate, the warning rod, the blocking member and the thermal actuator.

Description of reference numerals: 1. a lightning arrester body; 11. a zinc oxide resistor disc; 12. a metal electrode; 13. an arc ignition body; 2. a warning lever; 21. an elastic member; 22. a step; 23. a slope; 24. a color indicating section; 3. a first connecting seat; 4. a blocking member; 41. a blocking portion; 42. a fixed part; 5. a thermal acting member; 6. a stopper; 7. mounting a plate; 71. a lateral plate portion; 72. a vertical plate portion; 8. a second connecting seat; 81. a first stage; 82. and a second section.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The embodiment provides an external gap lightning protection device of a warning rod, which comprises a lightning arrester body 1, a warning rod 2, a blocking piece 4 and a thermal action piece 5, as shown in fig. 1-3.

The lightning arrester body 1 has a zinc oxide resistor disc 11 provided inside thereof and an arc striking body 13 provided on an outer wall thereof for discharging.

The warning rod 2 is movably mounted on the first connecting seat 3 on the outer wall of the arrester body 1 through the elastic piece 21, and the warning rod 2 is provided with an initial position matched and locked with the blocking piece 4 and a warning position moving towards the direction far away from the arrester body 1. The warning rod 2 is provided with a color indicating part 24, and in the initial position, the color indicating part 24 is positioned in the first connecting seat 3; when in the warning position, the color indication part 24 extends out of the first connecting seat 3. The outer wall of the warning rod 2 is provided with a step 22, and the front end of the step 22 is provided with a slope 23.

A blocking member 4 and a thermal acting member 5, wherein the blocking member 4 has a first position which is matched with the warning rod 2 to block when the warning rod is at the initial position, and a second position which is driven by the thermal acting member 5 and is separated from the warning rod 2. As shown in fig. 3, the blocking member 4 is L-shaped, and the L-shaped blocking member 4 has a blocking portion 41 which is vertically disposed and can abut against the step 22, and a fixing portion 42 which is horizontally disposed and is connected to the thermal actuating member 5. In this embodiment, the thermal actuator 5 is a thermal element, and the thermal element is a bimetal.

The first connecting seat 3 is provided with a mounting cavity for the warning rod 2 to move, and a stop block 6 which can abut against the step 22 is arranged at an opening of the mounting cavity. Be equipped with the mounting panel 7 of L shape in the installation cavity, warning pole 2 is located mounting panel 7's front, it locates to block 4 and thermal action 5 the back of mounting panel 7, wherein, mounting panel 7's diaphragm portion 71 is equipped with the confession the trompil that the part 41 wore out blocks, and its riser portion 72 with elastic component 21 offsets, fixed part 42 is kept away from the one end of the part 41 that blocks with diaphragm portion 71 fixed connection.

The second connecting seat 8 connects the metal electrode 12 with the first connecting seat 3, the second connecting seat 8 is including inlaying and locating first section 81 on the metal electrode 12 to and stretch out the outer second section 82 of arrester body 1, be equipped with the external screw thread on the second section 82, the first connecting seat 3 be equipped with can with the internal thread of second section 82 threaded connection.

The utility model provides an external clearance lightning protection device with a warning rod, which comprises a lightning arrester body 1, a warning rod 2, a blocking piece 4 and a thermal action piece 5, wherein the warning rod 2 is movably arranged on a first connecting seat 3 on the outer wall of the lightning arrester body 1 through an elastic piece 21, and the warning rod 2 is provided with an initial position which is matched and locked with the blocking piece 4 and a warning position which moves towards the direction far away from the lightning arrester body 1; the blocking member 4 has a first position in which it cooperates with the warning lever 2 to block it when it is in the initial position, and a second position in which it is driven by the thermal actuator 5 to disengage from the warning lever 2. When the line is over-voltage, if the zinc oxide resistance card 11 is degraded or broken, the temperature rise of the zinc oxide resistance card 11 exceeds the alarm value, the thermal action piece 5 drives the blocking piece 4 to be separated from the warning rod 2, and the warning rod 2 is popped out of the lightning arrester body under the action of the elastic piece 21, so that maintenance personnel can be reminded of needing to check or replace the lightning arrester in time.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides an outer clearance lightning protection device of area warning pole which characterized in that includes:

the lightning arrester comprises a lightning arrester body (1) and a lightning arrester body, wherein the lightning arrester body is provided with a zinc oxide resistance card (11) arranged inside the lightning arrester body and an arc ignition body (13) arranged on the outer wall of the lightning arrester body;

the warning rod (2) is movably arranged on the first connecting seat (3) on the outer wall of the lightning arrester body (1) through an elastic piece (21), and the warning rod (2) is provided with an initial position matched and locked with the blocking piece (4) and a warning position moving in the direction away from the lightning arrester body (1);

a blocking member (4) and a thermal acting member (5), wherein the blocking member (4) has a first position which is matched with the warning rod (2) to block when the warning rod is at an initial position, and a second position which is driven by the thermal acting member (5) and is separated from the warning rod (2).

2. The external gap lightning protection device with the warning rod as claimed in claim 1, wherein the warning rod (2) is provided with a step (22) on the outer wall, the blocking member (4) is L-shaped, and the L-shaped blocking member (4) has a blocking portion (41) which is vertically arranged and can be abutted against the step (22), and a fixing portion (42) which is horizontally arranged and is connected with the thermal acting member (5).

3. The external gap lightning protection device with warning rod as claimed in claim 2, wherein the front end of the step (22) is provided with a slope (23).

4. The external gap lightning protection device with the warning rod as claimed in claim 2 or 3, wherein the first connecting seat (3) is provided with a mounting cavity for moving the warning rod (2), and a stop block (6) capable of abutting against the step (22) is arranged at an opening of the mounting cavity.

5. The external gap lightning protection device with warning rod according to claim 4, characterized in that the warning rod (2) has a color indicator (24), and in the initial position, the color indicator (24) is located in the first connection seat (3); when the alarm position is set, the color indication part (24) extends out of the first connecting seat (3).

6. The external gap lightning protection device with the warning rod as claimed in claim 5, wherein an L-shaped mounting plate (7) is disposed in the mounting cavity, the warning rod (2) is disposed on the front surface of the mounting plate (7), the blocking member (4) and the thermal actuator (5) are disposed on the back surface of the mounting plate (7), wherein a transverse plate portion (71) of the mounting plate (7) is provided with an opening through which the blocking portion (41) penetrates, a vertical plate portion (72) of the mounting plate (7) abuts against the elastic member (21), and one end of the fixing portion (42) away from the blocking portion (41) is fixedly connected with the transverse plate portion (71).

7. The external gap lightning protection device with the warning rod as claimed in claim 6, wherein the lightning arrester body (1) has a metal electrode (12) connected with the zinc oxide resistor disc (11), and a second connecting seat (8) connecting the metal electrode (12) and the first connecting seat (3), the second connecting seat (8) comprises a first section (81) embedded on the metal electrode (12) and a second section (82) extending out of the lightning arrester body (1), the second section (82) is provided with an external thread, and the first connecting seat (3) is provided with an internal thread capable of being in threaded connection with the second section (82).

8. The external gap lightning protection device with warning rod according to claim 2, characterized in that the thermal actuator (5) is a heat sensitive element.

9. The external gap lightning protection device with warning rod as claimed in claim 8, wherein the heat sensitive element is a bimetal.