CN209561114U - Arrester with back-up protection gap - Google Patents
Arrester with back-up protection gap Download PDFInfo
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- CN209561114U CN209561114U CN201920517379.1U CN201920517379U CN209561114U CN 209561114 U CN209561114 U CN 209561114U CN 201920517379 U CN201920517379 U CN 201920517379U CN 209561114 U CN209561114 U CN 209561114U
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Abstract
The utility model is the arrester with back-up protection gap, is solved after lightning stroke makes the resistance of concatenated metal zinc oxide resistor disc is irreversible to become smaller, and has high current to pass through between the 1st, 2 electric discharge parts at nominal conditions, energy consumption, unsafe problem.The upper end of insulation umbrella cover has the 1st conductive cushion block to connect with upper terminals, upper terminals upper end is connect with high-voltage end, 1st conductive cushion block side has the 1st metal bar to connect across insulation umbrella cover with the 1st electric discharge part, the lower end of insulation umbrella cover has the 2nd conductive cushion block to connect with arrester seat, 2nd conductive cushion block upper end is connect by several concatenated metal oxide resistances with the 3rd conductive cushion block, attachment screw will be disengaged from device across insulation umbrella cover and be connected to 10 side of the 3rd conductive cushion block, disconnector is connect with the 2nd electric discharge part, 1st, there is insulating bar between 3 conductive cushion blocks, 1st, the distance between 2 electric discharge parts are h1, 1st electric discharge part is h3 at a distance from attachment screw right end, h3 > h1.
Description
Technical field
The utility model is related with Zinc-Oxide Arrester.
Background technique
Have insulating layer in the insulation umbrella cover of existing Zinc-Oxide Arrester, the upper end of insulating layer have the 1st conductive cushion block with it is upper
Terminals connection, upper terminals upper end are connect with high-voltage end, and upper wiring end side surface has the 1st metal bar across the 1st conductive cushion block, absolutely
Edge layer, insulation umbrella cover are connect with the 1st electric discharge part, and the lower end of insulating layer has the 2nd conductive cushion block to connect with lower terminals, lower terminals
6 ground connection, the 2nd conductive cushion block upper end are connect by several concatenated metal zinc oxide resistor discs with the 3rd conductive cushion block, and the 3rd is conductive
Cushion block side has the 2nd metal bar to connect across insulating layer, insulation umbrella cover with the 2nd electric discharge part, between having between the 1st, 3 conductive cushion blocks
Gap, the distance between the 1st, 2 electric discharge parts are 40.5mm.At nominal conditions, since concatenated metal zinc oxide resistor disc has greatly
Resistance, the 1st, 2 electric discharge parts between discharge off occur.When lightning stroke makes the resistance of concatenated metal zinc oxide resistor disc is irreversible to become smaller
Afterwards, there is high current to pass through between the 1st, 2 electric discharge parts at nominal conditions, consume energy, is dangerous.
Utility model content
The purpose of the utility model is to provide a kind of when lightning stroke keeps the resistance of concatenated metal zinc oxide resistor disc irreversible
Still safe after becoming smaller, the energy-efficient arrester with back-up protection gap.
The utility model is realized in this way:
The upper end of insulation umbrella cover 1 has the 1st conductive cushion block 7 to connect with upper terminals 3, and upper 3 upper end of terminals and high-voltage end connect
It connects, the 1st conductive cushion block side has the 1st metal bar 4 to connect across insulation umbrella cover 1 with the 1st electric discharge part 5, and the lower end of insulation umbrella cover 1 has
2nd conductive cushion block 8 is connect with arrester seat 6, and arrester seat 6 is grounded, and 8 upper end of the 2nd conductive cushion block passes through several concatenated metals
Oxide resistor piece 9 is connect with the 3rd conductive cushion block 10, and attachment screw 11 passes through insulation umbrella cover 1 and will be disengaged from device 13 and be connected to the 3rd leading
10 side of electrical pad block, disconnector 13 are connect with the 2nd electric discharge part 12, there is insulating bar 2, the 1st, 2 electric discharge parts between the 1st, 3 conductive cushion blocks
The distance between be h1, the 1st electric discharge part 5 and 11 right end of attachment screw from for h3, h3 > h1.
There are several disconnectors 13 to connect by attachment screw 11, end disconnector 13 is connect with the 2nd electric discharge part 12, and the 1st puts
Electric part 5 is all greater than h1 at a distance from 11 right end of attachment screw.
The upper end of insulation umbrella cover 1 has the 2nd conductive cushion block 8 to connect with arrester seat 6, and arrester seat 6 is connect with shaft tower 15, absolutely
There is the 3rd conductive cushion block 10 in the lower end of edge umbrella cover 1, and attachment screw 11 will be disengaged from device 13 across insulation umbrella cover 1 and be connected to the 3rd conductive pad
10 bottom surface of block, disconnector 13 are connect with the 2nd electric discharge part 12, there is concatenated metal oxide resistance between the 2nd, 3 conductive cushion blocks
9, the 2nd electric discharge part 12 is cambered surface and is located on conducting wire 14 that the center of the 2nd electric discharge part 12 is at a distance from conductor cross-section upper end
H1, conductor cross-section upper end between 11 lower end of attachment screw at a distance from be h3, h3 > h1.
There are several disconnectors 13 to connect by attachment screw 11, end disconnector 13 is connect with the 2nd electric discharge part 12, and conducting wire is cut
Face upper end is all greater than h1 at a distance from 11 lower end of attachment screw.
The utility model is while lightning stroke makes the resistance of concatenated metal zinc oxide resistor disc is irreversible to become smaller, disconnector
13 are detached from the 2nd electric discharge part 12 and arrester, attachment screw 11 it is exposed, the 1st electric discharge part 5 or conductor cross-section upper end with connect
The distance of the head of screw 11 becomes larger, discharge off, is still safety, energy-efficient gap arrester.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model embodiment 1.
Fig. 2 is the structure chart of the utility model embodiment 2.
Specific embodiment
Embodiment 1
The upper end of insulation umbrella cover 1 has the 1st conductive cushion block 7 to connect with upper terminals 3, and upper 3 upper end of terminals and high-voltage end connect
It connects, the 1st conductive cushion block side has the 1st metal bar 4 to connect across insulation umbrella cover 1 with the 1st electric discharge part 5, and the lower end of insulation umbrella cover 1 has
2nd conductive cushion block 8 is connect with arrester seat 6, and arrester seat 6 is grounded, and 8 upper end of the 2nd conductive cushion block passes through several concatenated metals
Oxide resistor piece 9 is connect with the 3rd conductive cushion block 10, and attachment screw 11 passes through insulation umbrella cover 1 and will be disengaged from device 13 and be connected to the 3rd leading
10 side of electrical pad block, there are two disconnectors 13 to be connected by attachment screw 11, and end disconnector 13 is connect with the 2nd electric discharge part 12,
There is insulating bar 2 between 1st, 3 conductive cushion blocks.1st, 2 electric discharge parts are metal ball.1st, 2 electric discharge the distance between parts are h1, the 1st
Electric discharge part 5 is all greater than h1 with 11 right end distance h3, h2 of attachment screw.
Embodiment 2
The upper end of insulation umbrella cover 1 has the 2nd conductive cushion block 8 to connect with arrester seat 6, and arrester seat 6 is connect with shaft tower 15, absolutely
There is the 3rd conductive cushion block 10 in the lower end of edge umbrella cover 1, and attachment screw 11 will be disengaged from device 13 across insulation umbrella cover 1 and be connected to the 3rd conductive pad
10 bottom surface of block, there are two disconnectors 13 to be connected by attachment screw 11, and end disconnector 13 is connect with the 2nd electric discharge part 12.1st, 3
There is concatenated metal oxide resistance the 9, the 2nd to discharge part 12 for cambered surface between conductive cushion block and is located on conducting wire 14, the 2nd
The discharge center of part 12 is h1 with conductor cross-section upper end at a distance from, conductor cross-section upper end and 11 lower end distance h3 of attachment screw,
H2 is all greater than h1.
Claims (5)
1. the arrester with back-up protection gap, which is characterized in that insulation umbrella cover (1) upper end have the 1st conductive cushion block (7) with it is upper
Terminals (3) connection, upper terminals upper end are connect with high-voltage end, and the 1st conductive cushion block side has the 1st metal bar (4) to pass through insulation
Umbrella cover is connect with the 1st electric discharge part (5), and the lower end for the umbrella cover that insulate has the 2nd conductive cushion block (8) to connect with arrester seat (6), is taken shelter from the thunder
Device seated connection, the 2nd conductive cushion block upper end is connected by several concatenated metal oxide resistances (9) and the 3rd conductive cushion block (10)
It connects, attachment screw (11) will be disengaged from device (13) across insulation umbrella cover and be connected to the 3rd conductive cushion block side, disconnector and the 2nd electric discharge
Part (12) connection, has insulating bar (2) between the 1st, 3 conductive cushion blocks, and the 1st, 2 electric discharge the distance between parts are h1, the 1st electric discharge part with
The distance of attachment screw right end is h3, h3 > h1.
2. the arrester according to claim 1 with back-up protection gap, which is characterized in that there is several disconnectors to pass through company
Screw series connection is connect, end disconnector is connect with the 2nd electric discharge part, and the 1st electric discharge part is all greater than h1 at a distance from attachment screw right end.
3. the arrester with back-up protection gap, which is characterized in that there is the 2nd conductive cushion block (8) in the upper end of insulation umbrella cover (1) and keeps away
Thunder device seat (6) connection, arrester seat are connect with shaft tower (15), and there are the 3rd conductive cushion block (10), attachment screw in the lower end for the umbrella cover that insulate
(11) it will be disengaged from device (13) across insulation umbrella cover and be connected to the 3rd conductive cushion block bottom surface, disconnector is connect with the 2nd electric discharge part (12),
Have between 2nd, 3 conductive cushion blocks concatenated metal oxide resistance (9), the 2nd electric discharge part is cambered surface and is located at conducting wire (14)
On, the center of the 2nd electric discharge part is h1 at a distance from conductor cross-section upper end, between conductor cross-section upper end and attachment screw lower end
Distance be h3, h3 > h1.
4. the arrester according to claim 3 with back-up protection gap, which is characterized in that there is several disconnectors to pass through company
Screw series connection is connect, end disconnector is connect with the 2nd electric discharge part, and conductor cross-section upper end is all greater than at a distance from attachment screw lower end
h1。
5. the arrester according to claim 4 with back-up protection gap, which is characterized in that distribution line uses 1-2
Disconnector, transmission line of electricity are made of several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920517379.1U CN209561114U (en) | 2019-04-17 | 2019-04-17 | Arrester with back-up protection gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920517379.1U CN209561114U (en) | 2019-04-17 | 2019-04-17 | Arrester with back-up protection gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209561114U true CN209561114U (en) | 2019-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920517379.1U Active CN209561114U (en) | 2019-04-17 | 2019-04-17 | Arrester with back-up protection gap |
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| Country | Link |
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| CN (1) | CN209561114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951530A (en) * | 2021-03-29 | 2021-06-11 | 北京交通大学 | Aging-resistant composite arrester with gap for electric locomotive and motor train unit |
-
2019
- 2019-04-17 CN CN201920517379.1U patent/CN209561114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951530A (en) * | 2021-03-29 | 2021-06-11 | 北京交通大学 | Aging-resistant composite arrester with gap for electric locomotive and motor train unit |
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