CN212304742U - Parameter-adjustable lightning arrester - Google Patents
Parameter-adjustable lightning arrester Download PDFInfo
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- CN212304742U CN212304742U CN202020695887.1U CN202020695887U CN212304742U CN 212304742 U CN212304742 U CN 212304742U CN 202020695887 U CN202020695887 U CN 202020695887U CN 212304742 U CN212304742 U CN 212304742U
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- switch
- zinc oxide
- valve plate
- oxide valve
- column
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 162
- 239000011787 zinc oxide Substances 0.000 claims abstract description 81
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
A parameter-adjustable lightning arrester is formed by connecting a plurality of zinc oxide valve plate columns in parallel, wherein each zinc oxide valve plate column is wrapped in a solid insulating medium; each zinc oxide valve plate column is formed by connecting a plurality of zinc oxide valve plate units in series; a change-over switch is connected in parallel between the valve plates of each zinc oxide valve plate unit, and two ends of each zinc oxide valve plate column are respectively provided with a column change-over switch which is respectively connected in series with the change-over switches of the valve plates of the zinc oxide valve plate units at the two ends; the parameters of the lightning arrester can be adjusted by adjusting the working states of the change-over switches. The utility model discloses but parameter-adjusting's arrester can be according to the use needs, adjustment change over switch state to change the partial parameter of this arrester, but greatly reduced arrester purchase cost. The utility model discloses the arrester structure principle is simple, convenient operation, and the cost is lower.
Description
Technical Field
The utility model relates to an adjustable parameter's arrester belongs to high-pressure arrester technical field.
Background
The lightning arrester is a very common device in a power grid framework, and different parameters and models of lightning arresters are needed for factors such as different voltage levels, different positions and different actions.
At present, the lightning arrester with one type in the market only has one fixed parameter and has no capability of changing the parameter, and the type of the lightning arrester used is likely to change along with the change of the application environment, so that the use cost of the lightning arrester is high.
Publication No. CN 209329640 discloses a lightning protection device, which includes a current guiding unit, an insulating support member, a conductive connecting member, a grounding member, a conductor, and a lightning arrester; the gap between the conductor and the arrester can be adjusted according to the requirement.
Disclosure of Invention
The utility model aims at providing a, in order to change arrester zinc oxide valve block series-parallel circuit structure, reach and adjust arrester partial parameter, including the purpose of through-flow capacity, direct current reference current, nominal discharge current, rated voltage, direct current reference voltage, continuous operating voltage etc. provide an adjustable parameter's arrester.
The technical scheme of the utility model is that the arrester with adjustable parameters is formed by connecting a plurality of zinc oxide valve plate columns in parallel, and each zinc oxide valve plate column is wrapped in a solid insulating medium; each zinc oxide valve plate column is formed by connecting a plurality of zinc oxide valve plate units in series; a change-over switch is connected in parallel between the valve plates of each zinc oxide valve plate unit, and two ends of each zinc oxide valve plate column are respectively provided with a column change-over switch which is respectively connected in series with the change-over switches of the valve plates of the zinc oxide valve plate units at the two ends; the parameters of the lightning arrester can be adjusted by adjusting the working states of the change-over switches.
The lightning arrester is formed by connecting m zinc oxide valve plate columns in parallel, and each zinc oxide valve plate column is wrapped in a solid insulating medium; each zinc oxide valve plate column is formed by connecting n zinc oxide valve plate units in series; a change-over switch is connected in parallel between the valve plates of each zinc oxide valve plate unit, and is respectively an m1 th switch, an m2 th switch, … th switch and an mn th switch; two ends of each zinc oxide valve plate column are respectively provided with a column switch which is respectively connected in series with the switches of the zinc oxide valve plate unit valve plates at the two ends; two adjacent zinc oxide valve plate columns are connected in parallel through corresponding column change-over switches.
The number of the zinc oxide valve plate columns is 2-10, namely m = 2-10.
Each zinc oxide valve plate column is connected in series with 4-20 zinc oxide valve plate units, namely n = 4-20.
The adjustable parameters of the lightning arrester comprise: current capacity, dc reference current, nominal discharge current, rated voltage, dc reference voltage and continuous operation voltage.
The beneficial effects of the utility model are that, the utility model discloses there is the parallelly connected zinc oxide valve block post of multiunit in the arrester structure, uses change arrester zinc oxide valve block series-parallel circuit structure, reaches and adjusts arrester partial parameter (adjustable parameter is: through-flow capacity, direct current reference current, nominal discharge current, rated voltage, direct current reference voltage, continuous operating voltage), strengthens the adaptability of arrester to different application environment. The utility model discloses the arrester can be according to the use needs, adjustment change over switch state to the part parameter that changes this arrester continues to use, thereby can need not purchase the traditional arrester of other models, this greatly reduced arrester purchase cost. The utility model discloses the arrester structure principle is simple, convenient operation, and the cost is lower.
Drawings
Fig. 1 is the utility model discloses but parameter regulation's arrester schematic structure view.
Detailed Description
The specific embodiment of the present invention is shown in fig. 1.
The lightning arrester with adjustable parameters in the embodiment is described by taking two columns and eight units as an example.
The arrester structure with adjustable parameters comprises a first zinc oxide valve plate column and a second zinc oxide valve plate column; the first zinc oxide valve plate column and the second zinc oxide valve plate column are connected in parallel through a column switch.
The first zinc oxide valve plate column is formed by connecting eight zinc oxide valve plate units in series, a change-over switch is connected on the valve plate of each zinc oxide valve plate unit in parallel, and the valve plate of each zinc oxide valve plate unit is respectively provided with an 11 th switch, a 12 th switch, … th switch and an 18 th switch from top to bottom; two ends of the first zinc oxide valve plate column are respectively provided with a column switch, namely a 1 st switch and a 10 th switch; the 11 th switch is connected in series with one end of the 1 st switch, and the 18 th switch is connected in series with one end of the 10 th switch.
The second zinc oxide valve plate column is formed by connecting eight zinc oxide valve plate units in series, a change-over switch is connected on the valve plate of each zinc oxide valve plate unit in parallel, and the valve plate of each zinc oxide valve plate unit is respectively provided with a 21 st switch, a 22 nd switch, … th switch and a 28 th switch from top to bottom; column change-over switches, namely a 2 nd switch and a 20 th switch, are respectively arranged at two ends of the second zinc oxide valve plate column; the 21 st switch is connected in series with one end of the 2 nd switch, and the 28 th switch is connected in series with one end of the 20 th switch.
The other end of the No. 1 switch of the first zinc oxide valve plate column is connected with the other end of the No. 2 switch of the second zinc oxide valve plate column; the other end of the 10 th switch of the first zinc oxide valve plate column is connected with the other end of the 20 th switch of the second zinc oxide valve plate column.
The adjustable parameters of the lightning arrester of the embodiment comprise through-current capacity, direct current reference current, nominal discharge current, rated voltage, direct current reference voltage and continuous operation voltage.
The parameters are adjusted by the working state of the selector switch:
(1) the initial state of the lightning arrester is that the 1 st switch, the 10 th switch, the 15 th switch, the 16 th switch, the 17 th switch and the 18 th switch are closed, and the 2 nd switch, the 20 th switch, the 11 th switch, the 12 th switch, the 13 th switch and the 14 th switch are opened; when a user wants to increase the rated voltage, the continuous operation voltage and the direct current reference voltage of the lightning arrester to 2 times of the original values, the 1 st switch and the 10 th switch are closed, and the 2 nd switch, the 20 th switch, the 11 th switch, the 12 th switch, … … and the 18 th switch are opened.
(2) The initial state of the lightning arrester is that the 1 st switch, the 10 th switch, the 15 th switch, the 16 th switch, the 17 th switch and the 18 th switch are closed, and the 2 nd switch, the 20 th switch, the 11 th switch, the 12 th switch, the 13 th switch and the 14 th switch are opened; when a user wants to increase the rated voltage, the continuous operation voltage and the direct current reference voltage of the lightning arrester to 1.5 times of the original values, the 1 st switch, the 10 th switch, the 17 th switch and the 18 th switch are closed, and the 2 nd switch, the 20 th switch, the 11 th switch, the 12 th switch, the 13 th switch, the 14 th switch, the 15 th switch and the 16 th switch are opened.
(3) The initial state of the lightning arrester is that the 1 st switch, the 10 th switch, the 15 th switch, the 16 th switch, the 17 th switch and the 18 th switch are closed, and the 2 nd switch, the 20 th switch, the 11 th switch, the 12 th switch, the 13 th switch and the 14 th switch are opened; when a user wants to increase the current capacity, the dc reference current and the nominal discharge current of the lightning arrester to 2 times the original values, the 1 st switch, the 10 th switch, the 2 nd switch, the 20 th switch, the 15 th switch, the 16 th switch, the 17 th switch, the 18 th switch, the 25 th switch, the 26 th switch, the 27 th switch and the 28 th switch are closed, and the 11 th switch, the 12 th switch, the 13 th switch, the 14 th switch, the 21 st switch, the 22 th switch, the 23 th switch and the 24 th switch are opened.
(4) The initial state of the lightning arrester is that the 1 st switch, the 10 th switch, the 15 th switch, the 16 th switch, the 17 th switch and the 18 th switch are closed, and the 2 nd switch, the 20 th switch, the 11 th switch, the 12 th switch, the 13 th switch and the 14 th switch are opened; when a user wants to increase the current capacity, the DC reference current, the nominal discharge current, the rated voltage, the continuous operation voltage and the DC reference voltage of the lightning arrester to 2 times of the original values, the 1 st switch, the 10 th switch and the 2 nd switch are closed, and the 20 th switch, the 11 th switch, the 12 th switch, … …, the 18 th switch, the 21 st switch, the 22 nd switch, … … and the 28 th switch are opened.
Claims (6)
1. The lightning arrester with adjustable parameters is characterized by being formed by connecting a plurality of zinc oxide valve plate columns in parallel, wherein each zinc oxide valve plate column is wrapped in a solid insulating medium; each zinc oxide valve plate column is formed by connecting a plurality of zinc oxide valve plate units in series; a change-over switch is connected in parallel between the valve plates of each zinc oxide valve plate unit, and two ends of each zinc oxide valve plate column are respectively provided with a column change-over switch which is respectively connected in series with the change-over switches of the valve plates of the zinc oxide valve plate units at the two ends; the parameters of the lightning arrester can be adjusted by adjusting the working states of the change-over switches.
2. A parametric adjustable arrester as claimed in claim 1 wherein the arrester is formed by m zinc oxide valve posts connected in parallel, each zinc oxide valve post being encased in a solid insulating medium; each zinc oxide valve plate column is formed by connecting n zinc oxide valve plate units in series; a change-over switch is connected in parallel between the valve plates of each zinc oxide valve plate unit, and is respectively an m1 th switch, an m2 th switch, … th switch and an mn th switch; two ends of each zinc oxide valve plate column are respectively provided with a column switch which is respectively connected in series with the switches of the zinc oxide valve plate unit valve plates at the two ends; two adjacent zinc oxide valve plate columns are connected in parallel through corresponding column change-over switches.
3. A parameter adjustable lightning arrester according to claim 1, characterized in that the number of said zinc oxide valve pillars is 2-10, i.e. m = 2-10.
4. A parameter adjustable lightning arrester according to claim 1, characterized in that each zinc oxide valve plate column is connected in series with 4-20 zinc oxide valve plate units, i.e. n = 4-20.
5. An arrester with adjustable parameters according to claim 1, characterized in that the arrester adjustable parameters comprise: current capacity, dc reference current, nominal discharge current, rated voltage, dc reference voltage and continuous operation voltage.
6. A parametric adjustable arrester as claimed in claim 1 wherein the arrester comprises first and second zinc oxide legs; the first zinc oxide valve plate column and the second zinc oxide valve plate column are connected in parallel through a column switch;
the first zinc oxide valve plate column is formed by connecting eight zinc oxide valve plate units in series, a change-over switch is connected on the valve plate of each zinc oxide valve plate unit in parallel, and the valve plate of each zinc oxide valve plate unit is respectively provided with an 11 th switch, a 12 th switch, … th switch and an 18 th switch from top to bottom; two ends of the first zinc oxide valve plate column are respectively provided with a column switch, namely a 1 st switch and a 10 th switch; the 11 th switch is connected with one end of the 1 st switch in series, and the 18 th switch is connected with one end of the 10 th switch in series;
the second zinc oxide valve plate column is formed by connecting eight zinc oxide valve plate units in series, a change-over switch is connected on the valve plate of each zinc oxide valve plate unit in parallel, and the valve plate of each zinc oxide valve plate unit is respectively provided with a 21 st switch, a 22 nd switch, … th switch and a 28 th switch from top to bottom; column change-over switches, namely a 2 nd switch and a 20 th switch, are respectively arranged at two ends of the second zinc oxide valve plate column; the 21 st switch is connected with one end of the 2 nd switch in series, and the 28 th switch is connected with one end of the 20 th switch in series;
the other end of the No. 1 switch of the first zinc oxide valve plate column is connected with the other end of the No. 2 switch of the second zinc oxide valve plate column; the other end of the 10 th switch of the first zinc oxide valve plate column is connected with the other end of the 20 th switch of the second zinc oxide valve plate column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695887.1U CN212304742U (en) | 2020-04-30 | 2020-04-30 | Parameter-adjustable lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695887.1U CN212304742U (en) | 2020-04-30 | 2020-04-30 | Parameter-adjustable lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212304742U true CN212304742U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020695887.1U Withdrawn - After Issue CN212304742U (en) | 2020-04-30 | 2020-04-30 | Parameter-adjustable lightning arrester |
Country Status (1)
| Country | Link |
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| CN (1) | CN212304742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478301A (en) * | 2020-04-30 | 2020-07-31 | 国网江西省电力有限公司电力科学研究院 | Parameter-adjustable lightning arrester |
-
2020
- 2020-04-30 CN CN202020695887.1U patent/CN212304742U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478301A (en) * | 2020-04-30 | 2020-07-31 | 国网江西省电力有限公司电力科学研究院 | Parameter-adjustable lightning arrester |
| CN111478301B (en) * | 2020-04-30 | 2024-05-14 | 国网江西省电力有限公司电力科学研究院 | Arrester with adjustable parameters |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210105 Effective date of abandoning: 20240514 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210105 Effective date of abandoning: 20240514 |