CN211017739U - 10kV outer gap arrester - Google Patents
10kV outer gap arrester Download PDFInfo
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- CN211017739U CN211017739U CN201922428514.8U CN201922428514U CN211017739U CN 211017739 U CN211017739 U CN 211017739U CN 201922428514 U CN201922428514 U CN 201922428514U CN 211017739 U CN211017739 U CN 211017739U
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Abstract
The utility model belongs to the technical field of the arrester and specifically relates to a 10kV outer clearance arrester, including high-voltage end gold utensil, overcoat, pull rod, inner electrode, resistance card, ring electrode, installation gold utensil and discharge equalizer ring, wherein the overcoat upper end is located to the high-voltage end gold utensil, and the overcoat lower extreme is located to the installation gold utensil, and pull rod, inner electrode, resistance card and ring electrode all locate in the overcoat, and pull rod one end is connected with the high-voltage end gold utensil, and the other end is connected with the installation gold utensil, inner electrode, resistance card and ring electrode suit are on the pull rod in proper order, and discharge equalizer ring passes through the discharge ring bolt and installs on the overcoat, and discharge ring bolt and ring electrode are connected, and discharge equalizer ring is equipped with the epitaxial portion that the cross-section is the arcuation. The utility model discloses with arrester, insulator, damming, voltage-sharing function collect integrated into one piece together, simple to operate to discharge the equalizer ring and be equipped with the extension that the cross-section is the arcuation, guarantee that discharge voltage is stable, electric field distribution is even, alleviates the ageing speed of silicon rubber.
Description
Technical Field
The utility model belongs to the technical field of the arrester and specifically relates to a 10kV outer clearance arrester.
Background
A arrester for on 10kV transmission line shaft tower need have the arrester concurrently, the discharge gap, pin insulator, the voltage-sharing quadruple function, the arrester that is used for on the 10kV transmission line now, its structure comprises pin insulator usually, the arrester, the discharge gap, the equalizer ring is constituteed jointly, just can realize complete voltage limiting protection, support, cut-off, the function of voltage-sharing, because the component part is many, the installation accessory is also more, need purchase the installation respectively, it is loaded down with trivial details complicated and complicated to install in large quantity, and install a large amount of parts in transmission line shaft tower inside finite space, occupation space is many and pleasing to the eye, and the installation limitation is big, can only install and need design special installation tower in the fixed place. In addition, the prior product mostly adopts a rod and plate gap structure, and the discharge voltage is not uniform.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 10kV outer clearance arrester collects arrester, insulator, damps, voltage-sharing function integrated into one piece together, simple to operate to discharge the equalizer ring and be equipped with the extension that the cross-section is the arcuation, guarantee that discharge voltage is stable, and electric field distribution is even, alleviates the ageing speed of silicon rubber.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a 10kV outer clearance arrester, includes high-voltage end gold utensil, overcoat, pull rod, inner electrode, resistance card, ring electrode, installation gold utensil and discharge equalizer ring, and wherein the overcoat upper end is located to the high-voltage end gold utensil, and the overcoat lower extreme is located to the installation gold utensil, and pull rod, inner electrode, resistance card and ring electrode all locate in the overcoat, just pull rod one end is connected with the high-voltage end gold utensil, and the other end is connected with the installation gold utensil, inner electrode, resistance card and ring electrode suit in proper order on the pull rod, discharge equalizer ring pass through discharge ring bolt install in on the overcoat, just discharge ring bolt with ring electrode connects, and discharge equalizer ring is equipped with the epitaxial portion that the cross-section is the arcuation.
The discharge grading ring includes installation department and extension, and wherein the installation department cover is located the overcoat outside, and the installation department through a plurality of discharge ring bolt install in on the overcoat, the tip that every discharge ring bolt inserted in the overcoat all with ring electrode connects.
The discharge ring bolts are uniformly distributed along the circumferential direction.
And the lower end of the mounting hardware fitting is provided with a mounting bolt.
And the outer sides of the inner electrode, the resistance chip and the ring electrode are provided with weftless tapes.
The drawing rod is a glass fiber drawing rod, and the outer sleeve is a silicon rubber outer sleeve.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses collect integrated into one piece together with arrester, insulator, damming, voltage-sharing function, the operation is convenient, and the installation is simple, and the appearance is pleasing to the eye, and occupation space is little.
2. The utility model discloses a discharge grading ring is equipped with the extension that the cross-section is the arcuation, guarantees that discharge voltage is stable, and electric field distribution is even, alleviates the ageing speed of silicon rubber.
3. The utility model discloses application scope is wider, does not receive the space restriction, and it is convenient to change, and it can only to need the mounted position to replace former pin insulator.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
fig. 2 is an enlarged schematic view of the discharge grading ring in fig. 1.
The high-voltage-end-use electric discharge device comprises a high-voltage-end fitting 1, a drawing rod 2, an inner electrode 3, a weftless tape 4, an outer sleeve 5, a resistor disc 6, a ring electrode 7, a discharge ring bolt 8, a discharge equalizing ring 9, an installation portion 901, an extension portion 902, an installation fitting 10 and an installation bolt 11.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model discloses a high-pressure end gold utensil 1, overcoat 5, drawing stick 2, inner electrode 3, resistance card 6, ring electrode 7, installation gold utensil 10 and discharge equalizer ring 9, wherein overcoat 5 upper end is located to high-pressure end gold utensil 1, and overcoat 5 lower extreme is located to installation gold utensil 10, and drawing stick 2, inner electrode 3, resistance card 6 and ring electrode 7 all locate in the overcoat 5, just 2 one end of drawing stick is connected with high-pressure end gold utensil 1, and the other end is connected with installation gold utensil 10, inner electrode 3, resistance card 6 and ring electrode 7 suit in proper order in on the drawing stick 2, discharge equalizer ring 9 through discharge ring bolt 8 install in on the overcoat 5, just discharge ring bolt 8 with ring electrode 7 connects, as shown in fig. 2, discharge equalizer ring 9 is equipped with the epitaxial portion that the cross-section is the arcuation.
As shown in fig. 1, the lower end of the mounting fitting 10 is provided with a mounting bolt 11 which is directly mounted on the tower frame and directly grounded.
As shown in fig. 2, the discharge grading ring 9 includes an installation portion 901 and an outer extension portion 902, wherein the installation portion 901 is in a circular tube shape and is sleeved outside the outer sleeve 5, the installation portion 901 is installed on the outer sleeve 5 through a plurality of discharge ring bolts 8, and an end portion of each discharge ring bolt 8 inserted into the outer sleeve 5 is connected to the ring electrode 7.
As shown in fig. 2, the discharge ring bolts 8 are uniformly distributed in the circumferential direction, and three discharge ring bolts 8 are provided in total in this embodiment.
As shown in fig. 1, the inner electrode 3, the resistive sheet 6, and the ring electrode 7 are provided with a weftless tape 4 on the outer side.
In this embodiment, the drawing rod 2 is a glass fiber drawing rod, and the outer sleeve 5 is a silicone rubber outer sleeve.
The utility model discloses a theory of operation does:
the utility model discloses during the installation, high-pressure end gold utensil 1, inner electrode 3, resistance card 6, ring electrode 7 is established ties in proper order and is overlapped the connection, 2 one ends of drawing stick and the high-pressure end gold utensil 1 of glass fiber material are connected, the other end passes inner electrode 3, be connected with installation gold utensil 10 behind resistance card 6 and the ring electrode 7, then inner electrode 3, resistance card 6 and the outside even winding weftless tape 4 of ring electrode 7 are fixed, the insulating overcoat 5 of rethread vulcanization press forming preparation, use discharge ring bolt 8 at last and install discharge ring 9 on overcoat 5, and discharge ring bolt 8 links to each other with ring electrode 7.
The utility model discloses bind the connection with high-pressure end gold utensil 1 after removing the insulating skin with transmission line wire part during the use, ensure that the exposed part of wire is good with high-pressure end gold utensil 1 contact, and 11 direct mountings of construction bolt are on the shaft tower frame and direct ground connection, and the arrester body connects in parallel in by protective equipment or air wire, and this moment the arrester body is in the running state.
In the normal operating voltage scope, the arrester body only plays the function of pin insulator and equalizer ring, because the clearance separation effect of discharge equalizer ring 9, the circuit does not have leakage current, when the outside overvoltage appears, the arrester can respond in microsecond's time, be the low resistance state, the clearance is opened between discharge equalizer ring 9 and the installation gold utensil 10, release circuit overvoltage, and resume high resistance state in microsecond time, discharge gap interdiction power frequency afterflow simultaneously, make overhead conductor resume to ground insulating state, thereby guarantee that overhead conductor and equipment are not infringed by the overvoltage, ensure safe operation.
Claims (6)
1. The utility model provides a 10kV outer clearance arrester which characterized in that: comprises a high-voltage end fitting (1), an outer sleeve (5), a drawing rod (2), an inner electrode (3), a resistor disc (6), a ring electrode (7), an installation fitting (10) and a discharge equalizing ring (9), wherein the high-voltage end fitting (1) is arranged at the upper end of the outer sleeve (5), the installation fitting (10) is arranged at the lower end of the outer sleeve (5), the drawing rod (2), the inner electrode (3), the resistor disc (6) and the ring electrode (7) are all arranged in the outer sleeve (5), one end of the drawing rod (2) is connected with the high-voltage end fitting (1), the other end of the drawing rod is connected with the installation fitting (10), the inner electrode (3), the resistor disc (6) and the ring electrode (7) are sequentially sleeved on the drawing rod (2), the discharge equalizing ring (9) is arranged on the outer sleeve (5) through a discharge ring bolt (8), and the discharge ring bolt (8) is connected with the ring electrode (7), and the discharge grading ring (9) is provided with an extension part (902) with an arc-shaped section.
2. The 10kV outer gap arrestor of claim 1, wherein: the discharge grading ring (9) comprises an installation part (901) and an extension part (902), wherein the installation part (901) is sleeved on the outer side of the outer sleeve (5), the installation part (901) is installed on the outer sleeve (5) through a plurality of discharge ring bolts (8), and the end part of each discharge ring bolt (8) inserted into the outer sleeve (5) is connected with the ring electrode (7).
3. The 10kV outer gap arrestor of claim 2, wherein: the discharge ring bolts (8) are uniformly distributed along the circumferential direction.
4. The 10kV outer gap arrestor of claim 1, wherein: and a mounting bolt (11) is arranged at the lower end of the mounting hardware fitting (10).
5. The 10kV outer gap arrestor of claim 1, wherein: and the outer sides of the inner electrode (3), the resistance chip (6) and the ring electrode (7) are provided with weftless tapes (4).
6. The 10kV outer gap arrestor of claim 1, wherein: the drawing rod (2) is a glass fiber drawing rod, and the outer sleeve (5) is a silicon rubber outer sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922428514.8U CN211017739U (en) | 2019-12-30 | 2019-12-30 | 10kV outer gap arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922428514.8U CN211017739U (en) | 2019-12-30 | 2019-12-30 | 10kV outer gap arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211017739U true CN211017739U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922428514.8U Active CN211017739U (en) | 2019-12-30 | 2019-12-30 | 10kV outer gap arrester |
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| Country | Link |
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| CN (1) | CN211017739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216453A (en) * | 2020-09-30 | 2021-01-12 | 南阳金牛电气有限公司 | 10kv distribution line prevents anti-icing arrester of multiple thunderbolt |
-
2019
- 2019-12-30 CN CN201922428514.8U patent/CN211017739U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112216453A (en) * | 2020-09-30 | 2021-01-12 | 南阳金牛电气有限公司 | 10kv distribution line prevents anti-icing arrester of multiple thunderbolt |
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