CN213519414U

CN213519414U - Insulating pillar lightning arrester with fault indication function

Info

Publication number: CN213519414U
Application number: CN202022416206.6U
Authority: CN
Inventors: 李振勇; 朱冠杰; 叶晓前; 李钰
Original assignee: Zhejiang Jing Chuang Electric Power Technology Co ltd
Current assignee: Zhejiang Jing Chuang Electric Power Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-22
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a take fault indication function's insulating pillar arrester, include the arrester body and install fault indicator on the arrester body, the arrester body includes the insulating cylinder and encapsulates core in the insulating cylinder and be used for with the core encapsulates the part of encapsulating in the insulating cylinder, the core includes interior clearance ring, resistance card post, wiring electrode and insulating pad. The utility model discloses not only fungible insulator plays the effect of undertaking insulating and support among the high-voltage overhead power line, still can avoid the flashover of insulator or puncture the occurence of failure, has improved transmission line's reliability of power supply. Additionally, the utility model discloses possess the power supply line fault indication function simultaneously, fortune dimension personnel need not to look for trouble monitoring point and additionally install trouble monitoring facilities again on the power supply line, have alleviateed fortune dimension personnel's work load, have reduced the fortune dimension expense of electric wire netting circuit.

Description

Insulating pillar lightning arrester with fault indication function

Technical Field

The utility model relates to a lightning arrester, concretely relates to insulating pillar lightning arrester with fault indication function.

Background

Post insulators are a special insulating control. The insulator plays two basic roles in an overhead transmission line, namely supporting a conducting wire and preventing current from flowing back to the ground, and the insulator should not generate flashover breakdown caused by changes of environmental and electrical load conditions to fail, otherwise the insulator loses the function and the service life of the whole line is damaged.

At present, a post insulator is mostly adopted for a power transmission line of 10KV and below to play the roles of insulation and support in a high-voltage overhead power line, but because a lightning protection device does not exist, flashover or breakdown accidents of the insulator sometimes occur, and the reliability of line power supply cannot be effectively guaranteed. In order to avoid flashover or breakdown accidents of the insulator, the lightning arrester needs to be additionally installed in parallel for protection, but the additional installation of the lightning arrester increases the equipment purchase cost of a power grid operation enterprise, increases the workload of equipment installation personnel, and simultaneously influences the attractiveness of a tower. In addition, in order to indicate whether the line runs in a fault or not, a fault monitoring device needs to be additionally arranged on a fault monitoring point of a power supply line, but the trouble is brought to device installation due to the fact that the number of points on the power supply line where the fault detection device can be fixedly installed is small.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating pillar arrester with fault indication function, not only fungible insulator plays and undertakes the effect of insulating and support among the high-voltage overhead power line, still can avoid the flashover or the breakdown occurence of failure of insulator. Additionally, the utility model discloses possess the fault indication function simultaneously, can reduce electric wire netting operation maintenance's work load and maintenance cost.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an insulating pillar arrester with fault indication function, includes the arrester body and installs the fault indicator on the arrester body, the arrester body includes insulating cylinder and the core of encapsulation in the insulating cylinder and is used for encapsulating the core in the encapsulation part in the insulating cylinder, the core includes inner gap ring, resistance card post, terminal electrode and insulating pad.

As an optimized scheme of the utility model, it includes top gold utensil and bottom gold utensil to envelope the part, the top gold utensil is supported tightly the first open end of insulating cylinder, the bottom gold utensil is supported tightly the second open end of insulating cylinder, with through the top gold utensil with the bottom gold utensil will the core is enveloped in the insulating cylinder.

As an optimized scheme of the utility model, the inner gap ring resistance card post wiring electrode with the insulating pad is from last down according to the preface setting up in the insulating cylinder.

As a preferred scheme of the present invention, the inner gap ring is disposed in the insulating cylinder close to the top fitting and far from the bottom fitting; the insulating pad is close to the bottom hardware fitting and far away from the top hardware fitting and is arranged in the insulating cylinder.

As an optimal scheme of the utility model, be provided with base circle radius and high-voltage bus radius assorted recess on the top gold utensil.

As an optimal scheme of the utility model, be provided with the circumference recess that is used for ligature high voltage conductor on the top gold utensil.

As a preferred scheme of the utility model, the fixed double-screw bolt of loosing core that is provided with on the arrester body, fault indicator fixed mounting be in on the double-screw bolt of loosing core.

As an optimized proposal of the utility model, the insulating cylinder is a glass fiber reinforced plastic cylinder.

As an optimized scheme of the utility model, the peripheral surface of arrester body still overlaps and is equipped with the silica gel overcoat.

The utility model discloses possess following beneficial effect:

1. the utility model has the advantages that the utility model not only has the functions of supporting the wire and preventing the current from flowing back to the ground, but also has the function of voltage isolation by arranging the inner clearance ring in the insulating cylinder, thereby avoiding the flashover or breakdown accident similar to the insulator and greatly improving the power supply reliability of the transmission line;

2. the utility model can integrate and install the fault indicator, so that the fault indicator has the fault indication function for the power supply line, and operation and maintenance personnel do not need to search fault monitoring points on the power supply line and additionally install fault monitoring equipment, thereby reducing the workload of the operation and maintenance personnel and reducing the operation and maintenance cost of the power grid line;

3. the utility model discloses have the bending resistance of preferred, bending strength can reach 4kN (thousand newtons).

4. The utility model discloses simple structure, simple to operate, sealing performance is excellent, possesses better ground market application prospect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an insulated post arrester with a fault indication function according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of an insulated post arrester with a fault indication function according to an embodiment of the present invention.

In the figure:

1. a top hardware fitting; 2. an inner clearance ring; 3. a resistor disc column; 4. a wiring electrode; 5. a core pulling stud; 6. A fault indicator; 7. an insulating pad; 8. an insulating cylinder; 9. coating a silica gel coat; 10. a bottom hardware fitting; 81. a first open end of the insulating cylinder; 82. a second open end of the insulating cylinder; 100. a lightning arrester body; 11. a groove; 12. A circumferential groove.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An embodiment of the utility model provides an insulating pillar arrester with fault indication function, as shown in fig. 1 and fig. 2, including arrester body 100 and install the fault indicator 6 that is used for instructing the electric wire netting line operation fault status on arrester body 100, arrester body 100 includes insulating cylinder 8 and the core of packing in insulating cylinder 8 and is used for packing the core and packing the part of packing in insulating cylinder 8. In this embodiment, the core body is composed of an inner gap ring 2, a resistor disc column 3, a terminal electrode 4 and an insulating pad 7.

The encapsulating component comprises a top metal fitting 1 and a bottom metal fitting 10, wherein the top metal fitting 1 abuts against a first opening end 81 of the insulating cylinder 8, and the bottom metal fitting 10 abuts against a second opening end 82 of the insulating cylinder 8, so that the core is encapsulated in the insulating cylinder 8 through the top metal fitting 1 and the bottom metal fitting 10.

As a preferable arrangement, the inner gap ring 2, the resistance chip column 3, the terminal electrode 4, and the insulating pad 7 are arranged in the insulating cylinder 8 in this order from top to bottom. More specifically, the inner gap ring 2 is close to the top fitting 1 and is arranged in the insulating cylinder far away from the bottom fitting 10, the resistance card column 3 is arranged at the lower position of the inner gap ring 2, the wiring electrode 4 is arranged at the lower position of the resistance card column 3, and the insulating pad 7 is arranged at the lower position of the wiring electrode 4 (the insulating pad 7 is close to the bottom fitting 10 and is arranged in the insulating cylinder 8 far away from the top fitting 1). The inner gap ring 2 is used for isolating voltage, so that the insulating post lightning arrester provided by the embodiment not only has the functions of supporting a power line and preventing current from flowing back to the ground, but also has the lightning protection function.

In order to facilitate the installation of fault indicator 6, the utility model discloses fixed being provided with a stud of loosing core 5 on arrester body 100 (specifically wiring electrode 4), fault indicator 6 detachably fixed mounting is on stud of loosing core 5.

In order to realize the function of supporting the power line, please refer to fig. 2, a groove 11 with a radius of a bottom circle matched with a radius of a high-voltage bus is disposed on the top fitting 1, and the high-voltage bus can be erected in the groove 11 of the top fitting 1.

For the convenience of fixing the power line, referring to fig. 2, the top hardware 1 is also provided with a circumferential groove 12, and the high-voltage wire can be wound and fixed on the top hardware 1 by adopting a binding manner. In addition, the high-voltage wire can be pressed and fixed at the upper end of the top hardware fitting 1 through the bolt by adopting the buckle wire clamp.

In order to improve the bending strength of the insulated post lightning arrester provided in the present embodiment, the insulating cylinder 8 is preferably a glass fiber reinforced plastic cylinder.

In addition, in order to improve the utility model discloses a dirty performance of anti-soil and explosion-proof ability slow down the utility model discloses an aging period prolongs the utility model discloses a life, preferably, still the cover is equipped with a mould pressing vulcanization molding's silica gel overcoat 9 on the peripheral surface of arrester body 100.

The following briefly explains the assembling method of the present invention:

during assembly, internal parts (an inner clearance ring 2, a resistance card column 3, a wiring electrode 4 and an insulating pad 7) are dried and dehumidified in advance, a core body formed by the internal parts is arranged in a glass steel cylinder (an insulating cylinder 8), a top hardware fitting 1 and a bottom hardware fitting 10 are arranged at two ends of the glass steel cylinder so as to encapsulate the core body in the glass steel cylinder to form a lightning arrester body 100, then a core-pulling stud 5 is installed, a silica gel outer sleeve 9 is molded and vulcanized on the peripheral surface of the lightning arrester body 100 at one time, and finally a fault indicator 6 is fixedly installed on the lightning arrester body 100 through the core-pulling stud 5.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. An insulated post arrester with a fault indication function is characterized by comprising an arrester body and a fault indicator installed on the arrester body, wherein the arrester body comprises an insulating cylinder, a core body and an encapsulating component, the core body is encapsulated in the insulating cylinder, the encapsulating component is used for encapsulating the core body in the insulating cylinder, and the core body comprises an inner gap ring, a resistor disc column, a wiring electrode and an insulating pad.

2. The insulated column arrestor of claim 1 wherein the encapsulation member includes a top fitting and a bottom fitting, the top fitting abutting the first open end of the insulating cylinder and the bottom fitting abutting the second open end of the insulating cylinder to encapsulate the core within the insulating cylinder via the top fitting and the bottom fitting.

3. The insulated leg arrester of claim 2, wherein the inner gap ring, the resistor disc column, the terminal electrode, and the insulating pad are sequentially disposed inside the insulating cylinder from top to bottom.

4. The insulated leg arrestor of claim 3, wherein the inner gap ring is disposed within the insulating cylinder proximate to the top hardware and distal to the bottom hardware; the insulating pad is close to the bottom hardware fitting and far away from the top hardware fitting and is arranged in the insulating cylinder.

5. The insulated column lightning arrester with fault indication function according to claim 2, wherein a groove with a radius of a base circle matched with a radius of a high-voltage bus bar is arranged on the top hardware fitting.

6. The insulated column arrester with fault indication function of claim 2 or 5, wherein a circumferential groove for binding a high-voltage wire is provided on the top fitting.

7. The insulated post lightning arrester with the fault indication function according to claim 1, wherein a core-pulling stud is fixedly arranged on the lightning arrester body, and the fault indicator is fixedly mounted on the core-pulling stud.

8. The insulated post arrester with fault indication function of claim 1, wherein the insulating cylinder is a glass fiber reinforced plastic cylinder.

9. The arrester of claim 1 wherein the outer surface of the arrester body is further sheathed with a silicone jacket.