CN2304987Y - Lightning arrester with automatic low heat meltable disconnector - Google Patents
Lightning arrester with automatic low heat meltable disconnector Download PDFInfo
- Publication number
- CN2304987Y CN2304987Y CN 97206870 CN97206870U CN2304987Y CN 2304987 Y CN2304987 Y CN 2304987Y CN 97206870 CN97206870 CN 97206870 CN 97206870 U CN97206870 U CN 97206870U CN 2304987 Y CN2304987 Y CN 2304987Y
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- CN
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- Prior art keywords
- lightning arrester
- valve block
- electrode
- cover
- block group
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model relates to a lightning arrester with automatic low heat meltable disconnector, comprising an upper electrode 1, a magnetic sleeve 2, a valve plate group 4, a bottom cap 5, a lower electrode 12, a plait wire 11, an isolation cover 9, and a pressure spring 8, wherein, the lower electrode is penetrated through the center of the isolation cover and is fixed with the isolation cover, and the upper end face of the lower electrode is welded together with the bottom cap by low hot melt solder 10. When failure is generated during the operation of the lightning arrester, the internal temperature steeply rises, the low hot melt solder dissolves, the separation cover and the lower electrode are rapidly separated from the bottom cap by the pressure spring, the earthing channel is cut off, and thereby, the continuously rising of the temperature is avoided, and the power failure accident caused by the explosion of the lightning arrester is prevented.
Description
The utility model relates to the structure of the lightning arrester that uses in a kind of power engineering.
Lightning arrester is a kind of lightning arrester of using on the transmission line, and carborundum or zinc oxide valve plate are housed in the magnetosheath of tubulose, upper end connection electric transmission line, lower end ground connection.When normal operation, these valve blocks have very high resistance, and when transmission line was struck by lightning, under the effect of thunder and lightning high pressure, valve block resistance descended rapidly, and the electric charge of thunder and lightning is promptly gone into ground by lightning arrester, makes other electrical equipment exempt from destruction.After the thunder and lightning, the resistance of valve block recovers automatically.This lightning arrester is in running, and when producing fault, the lightning arrester internal temperature can sharply rise, and might produce blast.
The purpose of this utility model is the lightning arrester that proposes a kind of temperature is acute in lightning arrester energy automatic disconnection when rising.
The lightning arrester of this band low heat meltable automatic separating apparatus comprises top electrode, magnetosheath, the valve block group, bottom, bottom electrode and pigtail lines, top electrode is fixed on the magnetosheath upper end, the valve block assembling is located in the magnetosheath, bottom is fixed on the magnetosheath lower end, the upper end of valve block group contacts with top electrode, the lower end of valve block group contacts with bottom, bottom electrode is fixed under the bottom, pigtail lines is fixed on the lower end of bottom electrode, it also comprises a separate cover and stage clip, stage clip is in the separate cover, separate cover is withstood in its lower end, and bottom is withstood in the upper end, and bottom electrode passes from the center of separate cover, and fix with separate cover, the upper surface of bottom electrode welds together with bottom mutually by the low-heat molten solder.
This lightning arrester, when internal temperature rising overrun, low-heat molten solder between bottom and the bottom electrode is a melted by heat, rely on the elastic force of stage clip, with separate cover and bottom electrode rapidly and bottom be separated, cut off grounded circuit, thereby avoid temperature to continue to raise, prevent that Explosion of on Arrester from causing power outage.In addition, the displacement of separate cover and bottom electrode also can be played the effect of distinguishing mark.
Accompanying drawing is the structure chart of the lightning arrester of the low hot melt automatic separating apparatus of this band.
As shown in the figure, top electrode 1 is fixed on the upper end of magnetosheath 2, and valve block group 4 is installed in the magnetosheath, and the upper end of valve block group contacts with top electrode 1, and the lower end contacts with bottom 5.The low molten solder 10 of the upper surface of bottom electrode 12 and bottom 5 usefulness welds together.Pigtail lines 11 is fixed on the lower end of bottom electrode 12, and stage clip 8 is in the separate cover 9, and separate cover is withstood in its lower end, and bottom 5 is withstood in the upper end, and bottom electrode passes from the center of separate cover, and fixes with separate cover, among the figure for to fix with screw thread.After this lightning arrester assembling finished, stage clip was in confined state.During use, top electrode links to each other with power transmission line, and pigtail lines links to each other with earth connection.When low-heat molten solder melted by heat, separate cover drives bottom electrode and bottom is separated thereby stage clip promotes.6 is the bottom sealing ring among the figure.
A sleeve pipe 3, cover tube bottom plate 13 and interior stage clip 7 can also be arranged in the magnetosheath of this lightning arrester.At this moment, valve block group 4 is loaded in the sleeve pipe 3, the lower end of valve block group contacts with cover tube bottom plate 13, the central part of bottom 5 has a boss 14, cover tube bottom plate boss therewith contacts, and interior stage clip 7 is placed in outside the boss 14 of bottom 5, and contacts with cover tube bottom plate 13, in order to increase the reliability that cover tube bottom plate 13 contacts with bottom 5, increase heat-transfer effect.
The low-heat molten solder of the lightning arrester of the low hot melt automatic separating apparatus of this band can adopt the slicker solder bismuth alloy, its fusing point can be chosen between 110～130 ℃, the structure of this lightning arrester can be applied on the high pressure lightning arresters such as 10KV, 35KV, also can be used on the low voltage surge arrester of 0.5KV.
Claims (3)
1, a kind of lightning arrester with the low heat meltable automatic separating apparatus, comprise top electrode (1), magnetosheath (2), valve block group (4), bottom (5), bottom electrode (12) and pigtail lines (11), top electrode is fixed on the magnetosheath upper end, the valve block assembling is located in the magnetosheath, bottom is fixed on the lower end of magnetosheath, the upper end of valve block group contacts with top electrode, the lower end of valve block group contacts with bottom, bottom electrode is fixed under the bottom, pigtail lines is fixed on the lower end of bottom electrode, it is characterized in that it also comprises separate cover (9) and stage clip (8), stage clip is in the separate cover, and separate cover is withstood in its lower end, bottom (5) is withstood in the upper end, bottom electrode (12) passes from the center of separate cover, and fixes with separate cover, and the upper surface of bottom electrode welds together with bottom mutually by low-heat molten solder (10).
2, the lightning arrester of band low heat meltable automatic separating apparatus as claimed in claim 1, it is characterized in that it also comprises sleeve pipe (3), cover tube bottom plate (13) and interior stage clip (7), described valve block group (4) is loaded in the sleeve pipe (3), the lower end of valve block group contacts with cover tube bottom plate (13), there is a boss (14) at bottom (5) center, the cover tube bottom plate contacts with the boss (14) of bottom (5), and interior stage clip (7) is placed in outside the boss (4) of bottom (5), and contacts with cover tube bottom plate (13).
3, the lightning arrester of band low heat meltable automatic separating apparatus as claimed in claim 1 or 2 is characterized in that described low-heat molten solder (10) is the slicker solder bismuth alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97206870 CN2304987Y (en) | 1997-03-27 | 1997-03-27 | Lightning arrester with automatic low heat meltable disconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97206870 CN2304987Y (en) | 1997-03-27 | 1997-03-27 | Lightning arrester with automatic low heat meltable disconnector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2304987Y true CN2304987Y (en) | 1999-01-20 |
Family
ID=33926761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97206870 Expired - Lifetime CN2304987Y (en) | 1997-03-27 | 1997-03-27 | Lightning arrester with automatic low heat meltable disconnector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2304987Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120933C (en) * | 1998-04-12 | 2003-09-10 | 杨文斌 | Reciprocating rotary piston two-stroke IC engine |
| CN101655397B (en) * | 2009-09-22 | 2011-08-31 | 曲娜 | Internal temperature on-line testing method of zinc oxide lightning protector with high-voltage capacitors connected in parallel |
-
1997
- 1997-03-27 CN CN 97206870 patent/CN2304987Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1120933C (en) * | 1998-04-12 | 2003-09-10 | 杨文斌 | Reciprocating rotary piston two-stroke IC engine |
| CN101655397B (en) * | 2009-09-22 | 2011-08-31 | 曲娜 | Internal temperature on-line testing method of zinc oxide lightning protector with high-voltage capacitors connected in parallel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |