CN206961611U - A kind of arrester for reducing residual voltage - Google Patents
A kind of arrester for reducing residual voltage Download PDFInfo
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- CN206961611U CN206961611U CN201720558558.0U CN201720558558U CN206961611U CN 206961611 U CN206961611 U CN 206961611U CN 201720558558 U CN201720558558 U CN 201720558558U CN 206961611 U CN206961611 U CN 206961611U
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- arrester
- zinc oxide
- disconnector
- insulator
- conductive strips
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Abstract
The utility model discloses a kind of arrester for reducing residual voltage, including operation ring fixing nut, disconnector and insulator fixing nut, the bottom of the disconnector is provided with conductive strips fixing bolt, conductive strips are provided with the right side of the conductive strips fixing bolt, mounting bracket is provided with above the disconnector, installation nut is provided with the upper end position of disconnector on the right side of the mounting bracket；The utility model is a kind of superior protective value, light weight, the resistance to filthy, lightning protection of stable performance; it mainly utilizes the good nonlinear wind vibration of zinc oxide; make the electric current for flowing through arrester in normal working voltage minimum; before the use; check whether the installation of nut is firm; can effectively avoids the phenomenon of composite zinc oxide interior insulator generation galvanic corrosion; two composite zinc oxide insulators are used; can reduces and shares the residual voltage remained in arrester, extends the service life of arrester.
Description
Technical field
The utility model belongs to electrical equipment technical field, and in particular to a kind of arrester for reducing residual voltage.
Background technology
Power equipment mainly includes with generating equipment and the major class of power supply unit two, and generating equipment is mainly station boiler, steamed
Steam turbine, gas turbine, the hydraulic turbine, generator, transformer etc., power supply unit are mainly the power transmission line of various voltage class
Road, transformer, contactor etc..
Zinc-Oxide Arrester is a kind of superior protective value, light weight, the resistance to filthy, lightning protection of stable performance.It leads
The good nonlinear wind vibration of zinc oxide is utilized, makes the electric current for flowing through arrester in normal working voltage minimum（Microampere
Or milliampere level）；When overvoltage acts on, resistance drastically declines, the energy for overvoltage of releasing, and reaches the effect of protection.It is this to keep away
The difference of thunder device and traditional lightning protection device is that it does not have discharging gap, plays aerial drainage using the nonlinear characteristic of zinc oxide and cut-offs
Effect, arrester is connected between cable and the earth, generally in parallel with by protection equipment.Arrester can effectively protect communication
Equipment, once there is abnormal voltage, arrester will act, and play a protective role.
But existing arrester still has some irrational factors during use, arrester is due to conduction
The installation of bolt loosens so that many residual voltages of arrester internal residual, may result in zinc oxide insulator galvanic corrosion occurs and show
As.The service life of arrester will be influenceed.
Utility model content
The purpose of this utility model is to provide a kind of arrester for reducing residual voltage, to solve to carry in above-mentioned background technology
What is gone out has the problem of galvanic corrosion phenomenon occurs for residual voltage and insulator.
To achieve the above object, the utility model provides following technical scheme：A kind of arrester for reducing residual voltage, including
Operation ring fixing nut, disconnector and insulator fixing nut, the bottom of the disconnector are provided with conductive strips fixing bolt, institute
State and conductive strips are provided with the right side of conductive strips fixing bolt, mounting bracket, the installation branch are provided with above the disconnector
Installation nut is provided with the upper end position of disconnector on the right side of frame, composite zinc oxide is provided with above the mounting bracket
Insulator, upper bracket is provided with above the composite zinc oxide insulator, the upper right side of the upper bracket is provided with puncture line
Folder, the penetrating cable clamp lower section are provided with high-pressure conductive bolt on the right side of composite zinc oxide insulator, and the insulator is consolidated
Nut is determined above upper bracket at the leftward position of penetrating cable clamp, and is provided with operation on the left of insulator fixing nut
Ring, the operation ring fixing nut are arranged on below operation ring at the leftward position of composite zinc oxide insulator.
Preferably, the composite zinc oxide insulator is provided with two altogether, and two composite zinc oxide insulators are uniformly pacified
Mounted in the top of mounting bracket.
Preferably, the conductive strips are fixedly connected with disconnector by conductive strips fixing bolt.
Preferably, the upper bracket is fixedly connected with composite zinc oxide insulator by insulator fixing nut.
Preferably, the operation ring is fixedly connected with upper bracket by operating ring fixing nut.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
Convenient, Zinc-Oxide Arrester is a kind of superior protective value, light weight, the resistance to filthy, lightning protection of stable performance, and it is main sharp
With the good nonlinear wind vibration of zinc oxide, make the electric current for flowing through arrester in normal working voltage minimum, using it
Before, check whether the installation of nut is firm, it is possible to the effective phenomenon for avoiding composite zinc oxide interior insulator that galvanic corrosion occurs,
Two composite zinc oxide insulators are used, it is possible to reduce and share the residual voltage remained in arrester, protect arrester simultaneously
And extend the service life of arrester.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1- upper brackets, 2- operation rings fixing nut, 3- disconnectors, 4- conductive strips fixing bolt, 5- conductive strips, 6-
Installation nut, 7- mounting brackets, 8- composite zinc oxides insulator, 9- high-pressure conductives bolt, 10- penetrating cable clamps, 11- insulators are consolidated
Determine nut, 12- operation rings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of arrester for reducing residual voltage, including operation
Ring fixing nut 2, disconnector 3 and insulator fixing nut 11, the bottom of disconnector 3 are provided with conductive strips fixing bolt 4, conductive
Right side with fixing bolt 4 is provided with conductive strips 5, and the top of disconnector 3 is provided with mounting bracket 7, and the right side of mounting bracket 7 is close
Installation nut 6 is provided with the upper end position of disconnector 3, the top of mounting bracket 7 is provided with composite zinc oxide insulator 8, multiple
The top for closing zinc oxide insulator 8 is provided with upper bracket 1, and the upper right side of upper bracket 1 is provided with penetrating cable clamp 10, penetrating cable clamp 10
Lower section is provided with high-pressure conductive bolt 9 close to the right side of composite zinc oxide insulator 8, and insulator fixing nut 11 is arranged on upper branch
The top of frame 1 is at the leftward position of penetrating cable clamp 10, and the left side of insulator fixing nut 11 is provided with operation ring 12, operates ring
Fixing nut 2 is arranged on the lower section of operation ring 12 at the leftward position of composite zinc oxide insulator 8.
Composite zinc oxide insulator 8 is provided with two altogether, and two composite zinc oxide insulators 8 are uniformly arranged on installation branch
The top of frame 7.Conductive strips 5 are fixedly connected with disconnector 3 by conductive strips fixing bolt 4.Upper bracket 1 insulate with composite zinc oxide
Son 8 is fixedly connected by insulator fixing nut 11.Operation ring 12 is fixedly connected with upper bracket 1 by operating ring fixing nut 2.
The outside of composite zinc oxide insulator 8 in the utility model is provided with umbrella cover, this ceramic material, has more
Protective value well, its light weight, resistance to filthy, stable performance.
Operation principle and process for using of the present utility model：After the utility model installs, checking the installation of equipment is
No stabilization, the effect of new upper bracket 1 are and the mounting brackets 7 for fixing and supporting high-pressure conductive bolt 9 and operation ring 12
Be exactly for being arranged on new on machine, it is new be used as decompression device, lightning-arrest device, arrester and guarantor can also be used as
The equipment of shield is in parallel, can be effectively protected equipment, when the communications cable or equipment are run under normal working voltage, takes shelter from the thunder
Device will not act, and be open circuit for ground, once there is high voltage, and jeopardized when being insulated by protection equipment, kept away
Thunder device will be worked immediately, and high voltage is introduced from high-pressure conductive bolt 9, entered in composite zinc oxide insulator 8, then
Enter in disconnector 3, by conductive strips 5 by high-pressure aerated conduct current the earth, so as to limit voltage magnitude, when voltage disappears
After mistake, arrester restores to the original state rapidly, makes communication line normal work.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of arrester for reducing residual voltage, including operation ring fixing nut（2）, disconnector（3）With insulator fixing nut
（11）, it is characterised in that：The disconnector（3）Bottom be provided with conductive strips fixing bolt（4）, the conductive strips fixing bolt
（4）Right side be provided with conductive strips（5）, the disconnector（3）Top be provided with mounting bracket（7）, the mounting bracket（7）
Right side is close to disconnector（3）Upper end position at be provided with installation nut（6）, the mounting bracket（7）Top be provided with it is multiple
Close zinc oxide insulator（8）, the composite zinc oxide insulator（8）Top be provided with upper bracket（1）, the upper bracket（1）
Upper right side be provided with penetrating cable clamp（10）, the penetrating cable clamp（10）Lower section is close to composite zinc oxide insulator（8）Right side
It is provided with high-pressure conductive bolt（9）, the insulator fixing nut（11）Installed in upper bracket（1）Top is close to penetrating cable clamp
（10）Leftward position at, and insulator fixing nut（11）Left side is provided with operation ring（12）, the operation ring fixing nut
（2）Installed in operation ring（12）Lower section is close to composite zinc oxide insulator（8）Leftward position at.
A kind of 2. arrester for reducing residual voltage according to claim 1, it is characterised in that：The composite zinc oxide insulation
Son（8）Two, and two composite zinc oxide insulators are provided with altogether（8）Uniformly it is arranged on mounting bracket（7）Top.
A kind of 3. arrester for reducing residual voltage according to claim 1, it is characterised in that：The conductive strips（5）With taking off
From device（3）Pass through conductive strips fixing bolt（4）It is fixedly connected.
A kind of 4. arrester for reducing residual voltage according to claim 1, it is characterised in that：The upper bracket（1）With answering
Close zinc oxide insulator（8）Pass through insulator fixing nut（11）It is fixedly connected.
A kind of 5. arrester for reducing residual voltage according to claim 1, it is characterised in that：The operation ring（12）With it is upper
Support（1）By operating ring fixing nut（2）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558558.0U CN206961611U (en) | 2017-05-19 | 2017-05-19 | A kind of arrester for reducing residual voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558558.0U CN206961611U (en) | 2017-05-19 | 2017-05-19 | A kind of arrester for reducing residual voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961611U true CN206961611U (en) | 2018-02-02 |
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ID=61374367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720558558.0U Active CN206961611U (en) | 2017-05-19 | 2017-05-19 | A kind of arrester for reducing residual voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215909A (en) * | 2018-08-16 | 2019-01-15 | 苏州闪联高压电器有限公司 | A kind of high voltage arrester |
-
2017
- 2017-05-19 CN CN201720558558.0U patent/CN206961611U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215909A (en) * | 2018-08-16 | 2019-01-15 | 苏州闪联高压电器有限公司 | A kind of high voltage arrester |
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